Quality of

Surface Waters of the 

United States 

1955

Parts 9-14. Colorado River Basin to Pacific 

Slope Basins in Oregon and Lower Columbia 

River Basin

Prepared under the direction of S. K. LOVE, Chief, Quality of Water Branch 

GEOLOGICAL SURVEY WATER-SUPPLY PAPER 1403

Prepared in cooperation with the States of 

California and Utah, U.S. Bureau of 

Reclamation, and with other agencies

UNITED STATES GOVERNMENT PRINTING OFFICE, WASHINGTON : 1959
UNITED STATES DEPARTMENT OF THE INTERIOR 

FRED A. SEATON, Secretary

GEOLOGICAL SURVEY 

Thomas B. Nolan, Director

For sale by the Superintendent of Documents, U.S. Government Printing Office 

Washington 25, D.C. - Price $1.50 (paper cover)
PREFACE

This report was prepared by the Geological Survey in cooperation with the States of California and Utah, U. S. Bureau of 

Reclamation and with other agencies, by personnel of the Water 

Resources Division under the direction of:

C. G. Paulsen .............. Chief Hydraulic Engineer

S. K. Love ............ Chief, Quality of Water Branch

J. M. Stow, district chemist .... Albuquerque, N. Mex.

J. G. Connor, district chemist .... Salt Lake City, Utah

H. A. Swenson, district chemist ....... Portland, Oreg.

I. W. Walling, district chemist ..... Sacramento, Calif.

Ill
CONTENTS

Page

Introduction ........................................ 1

Collection and examination of samples ................. 3

Chemical quality ................................... 3

Suspended sediment ................................ 4

Temperature ...................................... 6

Expression of results ................................ 6

Composition of surface waters ........................ 8

Mineral constituents in solution ..................... 9

Silica ........................................... 9

Aluminum ....................................... 9

Manganese ....................................... 9

Iron ............................................. 10

Calcium ......................................... 10

Magnesium ...................................... 10

Sodium and potassium ............................. 11

Carbonate and bicarbonate ......................... 11

Sulfate .......................................... 11

Chloride ......................................... 12

Fluoride ......................................... 12

Nitrate .......................................... 12

Boron ........................................... 13

Dissolved solids .................................. 13

Properties and characteristics of water .............. 13

Oxygen consumed ................................. 13

Color ........................................... 13

Hydrogen-ion concentration........................ 14

Specific conductance .............................. 14

Hardness ........................................ 14

Total acidity ..................................... 15

Corrosiveness ................................... 15

Percent sodium .................................. 15

Sodium-adsorption-ratio .......................... 16

Sediment ......................................... 16

Publications ........................................ 17

Cooperation ........................................ 19

Division of work .................................... 20

Streamflow ......................................... 21

Literature cited ..................................... 21

Chemical analyses, water temperatures, and suspended

sediment ...................................... 23
VI CONTENTS

Chemical analyses, etc.--Continued Page

Part 9 - Colorado River basin ........................ 23

Colorado River at Hot Sulphur Springs, Colo. (main

stem) .......................................... 23

Eagle River basin .................................. 26

Eagle River at Gypsum, Colo ...................... 26

Colorado River near Glen wood Springs, Colo. (main

stem) .......................................... 29

Colorado River near Cameo, Colo. (main stem)....... 32

Gunnison River basin............................... 35

Gunnison River near Grand Junction, Colo .......... 35

Dolores River basin ................................ 38

Dolores River near Cisco, Utah .................... 38

Colorado River near Cisco, Utah (main stem)......... 45

Green River basin ................................. 52

Green River near Green River, Wyo ................ 52

Blacks Fork near Marston, Wyo ................... 58

Henrys Fork at Linwood, Utah ..................... 61

Yampa River near Maybell, Colo................... 64

Little Snake River near Lily, Colo.................. 70

Green River near Jensen, Utah .................... 73

White River near Watson, Utah .................... 77

Green River near Ouray, Utah ..................... 80

Willow Creek near Ouray, Utah .................... 84

Price River at Woodside, Utah ..................... 85

Green River at Green River, Utah.................. 88

San Rafael River near Green River, Utah ........... 94

Colorado River at Kite, Utah (main stem) ............ 100

San Juan River basin ............................... 107

San Juan River near Archuleta, N. Mex............. 107

San Juan River near Blanco, N. Mex ............... 112

Animas River at Farmington, N. Mex .............. 115

San Juan River at Ship Rock, N. Mex ............... 121

San Juan River near Bluff, Utah.................... 125

Colorado River at Lees Ferry, Ariz. (main stem)..... 132

Paria River basin .................................. 138

Paria River at Lees Ferry, Ariz ................... 138

Little Colorado River basin ......................... 142

Little Colorado River at Woodruff, Ariz ............ 142

Little Colorado River at Cameron, Ariz ............ 148

Colorado River near Grand Canyon, Ariz. (main stem) 150

Virgin River basin ................................. 157

Virgin River at Virgin, Utah ....................... 157

Washington Fields Canal near Washington, Utah ..... 160

Santa Clara River above Winsor Dam near Santa

Clara, Utah..................................... 161

Santa Clara River at St. George, Utah .............. 162

Virgin River near St. George, Utah ................ 163
CONTENTS VII

Chemical analyses, etc. --Continued 

Colorado River basin--Continued

Virgin River basin--Continued Page 

Virgin River at Littlefield, Ariz. ................... 164

Lake Mead near Boulder City, Nev. (main stem) ...... 171

Colorado River below Hoover Dam, Ariz. -Nev.

(main stem)..................................... 175

Colorado River near Topock, Ariz. (main stem) ...... 178

Colorado River below Parker Dam, Ariz. -Calif.

(main stem) .................................... 179

Gila River basin ................................... 180

Gila River at Kelvin, Ariz ......................... 180

Salt River at Stewart Mountain Dam, Ariz ........... 183

Oak Creek near Cornville, Ariz .................... 186

Verde River below Bartlett Dam, Ariz .............. 187

Agua Fria River below Lake Pleasant Dam, Ariz .... 190

Gila River below Gillespie Dam, Ariz .............. 192

Colorado River at Yuma, Ariz. (main stem) .......... 195

Diversions and return flows at and below Imperial Dam 197 

Yuma Main Canal below Colorado River siphon at 

Yuma, Ariz..................................... 197

Part 10. The Great Basin ........................... 199

Sevier Lake basin .................................. 199

Sevier River near Lynndyl, Utah ................... 199

Humboldt River basin .............................. 202

Humboldt River near Rye Patch, Nev ............... 202

Pyramid and Winnemucca Lakes basin ............... 203

Miscellaneous analyses of streams and lakes in

Pyramid and Winnemucca Lakes basin in California. 203 

Honey Lake basin .................................. 204

Miscellaneous analyses of streams in Honey Lake

basin in California ......... .................... 204

Part 11. Pacific Slope basins in California ............ 205

Carmel River basin ................................ 205

Carmel River near Carmel, Calif .................. 205

Pajaro River basin ................................. 206

Uvas Creek near Morgan Hill, Calif ................ 206

Pajaro River at Chittended, Calif .................. 207

Soquel Creek basin ................................. 208

Soquel Creek at Soquel, Calif ...................... 208

San Lorenzo River basin ........................... 209

San Lorenzo River at Big Trees, Calif.............. 209

Guadalupe River basin .............................. 210

Los Gatos Creek near Los Gatos, Calif ............. 210

Coyote Creek basin ................................ 211

Coyote Creek near Madrone, Calif ................. 211

Alameda Creek basin ............................... 212

Alameda Creek near Niles, Calif................... 212
VIII CONTENTS

Chemical analyses, etc. --Continued

Pacific slope basins in California--Continued Page

Kern River basin ................................. 213

Kern River near Bakersfield, Calif................ 213

Tulare Lake basin ................................ 214

Tule River near Porterville, Calif ................ 214

Kaweah River near Three Rivers, Calif ............ 215

Kings River above North Fork, Calif. .............. 216

Kings River at Piedra, Calif ...................... 217

Kings River at Peoples Weir, near Kingsburg, Calif. 218

San Joaquin River basin ........................... 219

San Joaquin River below Friant, Calif.............. 219

San Joaquin River near Biola, Calif ............... 220

San Joaquin River near Mendota, Calif ............. 223

San Joaquin River near Dos Palos, Calif ........... 224

Bear Creek near Stevinson, Calif ................. 225

San Joaquin River at Fremont Ford Bridge, Calif ... 226

Merced River at Exchequer Dam, Calif ............ 227

Merced River near Stevinson, Calif................ 228

T. I. D. drainage ditch near Turlock, Calif ........ 229

San Joaquin River near Grayson, Calif ............. 230

Tuolumne River at La Grange, Calif ............... 231

Tuolumne River at Hickman, Calif ................ 232

Tuolumne River at Tuolumne City, Calif ........... 233

San Joaquin River at Maze Road Bridge, near

Modesto, Calif................................. 234

Stanislaus River near mouth, near Vernalis, Calif .. 235

San Joaquin River near Vernalis, Calif............. 236

San Joaquin River at Mossdale, Calif .............. 240

San Joaquin River at Garwood Bridge, near Stockton,

Calif ......... ................................ 241

Calaveras River at Jenny Lind, Calif .............. 242

Stockton Ship Channel near Rindge Pump on Rindge

Tract, Calif ................................... 243

Old River at south tip of Fabian Tract, near Tracy,

Calif.......................................... 244

Delta-Mendota Canal near Tracy, Calif ............ 245

Delta-Mendota Canal at Tracy Pumping Plant, Calif. 246

Delta-Mendota Canal near Mendota, Calif .......... 247

Old River at Clifton Court Ferry, Calif ............ 248

Italian Slough at mouth, near Byron, Calif ......... 249

Indian Slough near Brentwood, Calif ............... 250

Old River at Orowood Bridge, near Middle River,

Calif. ......................................... 251

Rock Slough near Knightsen, Calif ................. 252

Old River (north west side), Mandeville Island,

Calif.......................................... 253

Mokelumne River at Lancha Plana, Calif ........... 254
CONTENTS IX

Chemical analyses, etc. --Continued 

Pacific slope basins in California--Continued

San Joaquin River basin--Continued Page

Mokelumne River at Woodbridge, Calif............. 255

Cosumnes River near Michigan Bar, Calif.......... 258

Delta Cross Channel near Walnut Grove, Calif ...... 259

Little Potato Slough near Terminous, Calif ......... 260

San Joaquin River at Antioch, Calif ................ 261

Sacramento River basin............................ 262

Sacramento River at Delta, Calif.................. 262

Pitt River near Montgomery Creek, Calif .......... 264

McCloud River above Shasta Lake, Calif ........... 266

Sacramento River at Keswick, Calif ............... 268

Sacramento River near Redding, Calif ............. 269

Cottonwood Creek near Cottonwood, Calif .......... 270

Sacramento River at Bend, Calif .................. 271

Mill Creek near Los Molinos, Calif. ............... 273

Deer Creek at Vina, Calif ........................ 274

Sacramento River near Hamilton City, Calif ........ 275

Big Chico Creek near Chico, Calif................. 276

Stony Creek near Hamilton City, Calif ............. 277

Sacramento River at Butte City, Calif.............. 278

Butte Creek near Chico, Calif..................... 280

Colusa Trough near Colusa, Calif ................. 281

Sacramento River at Knights Landing, Calif ........ 282

Sacramento Slough near Knights Landing, Calif ..... 285

Feather River near Oroville, Calif ................ 286

Yuba River near Smartsville, Calif ................ 287

Yuba River at Marysville, Calif ................... 288

Bear River near Wheatland, Calif ................. 289

Feather River at Nicolaus, Calif .................. 290

American River at Fair Oaks, Calif ............... 293

American River at Sacramento, Calif.............. 296

Sacramento River at Sacramento, Calif ............ 297

Clear Lake (north end) Clear Lake Oaks, Calif...... 300

Clear Lake at Lakeport, Calif..................... 301

Cache Creek, near Lower Lake, Calif ............. 302

North Fork Cache Creek near Lower Lake, Calif.... 303

Cache Creek near Capay, Calif.................... 304

Putah Creek near Winters, Calif .................. 305

Sacramento River at Snodgrass Slough, near

Courtland, Calif............................... 306

Lindsay Slough near Rio Vista, Calif............... 307

Sacramento River near Rio Vista, Calif............ 308

Miscellaneous analyses of streams in Sacramento

River basin in California ....................... 309

Napa River basin ................................. 311

Napa River near St. Helena, Calif ................. 311
X CONTENTS

Chemical analyses, etc. --Continued

Pacific slope basins in California--Continued Page

Russian River basin ............................... 312

East Fork Russian River at Potter Valley powerhouse, Calif................................... 312

East Fork Russian River near Calpella, Calif....... 313

East Fork Russian River near Ukiah, Calif......... 314

Russian River near Ukiah, Calif................... 317

Russian River near Hopland, Calif................. 318

Russian River near Healdsburg, Calif.............. 319

Russian River at Guerneville, Calif ................ 320

Eel River basin ................................... 321

Eel River at McCann, Calif ....................... 321

South Fork Eel River near Miranda, Calif.......... 322

Eel River at Scotia, Calif ........................ 323

Klamath River basin .............................. 324

Klamath River below Fall Creek, near Copco, Calif. 324

Klamath River at Somesbar, Calif ................. 325

Trinity River at Lewiston, Calif................... 326

Trinity River near Hoopa, Calif................... 328

Klamath River near Klamath, Calif................ 329

Smith River basin................................. 330

Smith River near Crescent City, Calif ............. 330

Part 12. Pacific slope basins in Washington and Upper

Columbia River basin........................... 331

Pacific slope basins north of Columbia River .......... 331

Willapa River basin ............................... 331

Willapa River at Lebam, Wash .................... 331

Chehalis River basin .............................. 332

Chehalis River near Grand Mound, Wash........... 332

Skokomish River basin............................. 333

South Fork Skokomish River near Potlatch, Wash ... 333

Weaver Creek near Potlatch, Wash................ 334

Skokomish River near Potlatch, Wash ............. 335

Purdy Creek near Union, Wash ................... 336

Nisqually River basin ............................. 337

Nisqually River near National, Wash............... 337

Mineral Creek near Mineral, Wash................ 338

Duwamish River basin............................. 339

Green River near Palmer, Wash .................. 339

Green River near Auburn, Wash .................. 344

Lake Washington basin ............................ 347

Cedar River near Landsburg, Wash................ 347

Stillaguamish River basin .......................... 348

Jim Creek near Arlington, Wash .................. 348

North Fork Stillaguamish River near Darrington,

Wash......................................... 349

Pilchuck Creek near Bryant, Wash ................ 350
CONTENTS XI

Chemical analyses, etc. --Continued 

Pacific slope basins in Washington and Upper

Columbia River basin--Continued Page 

Skagit River basin ............................... 351

Skagit River above Alma Creek, near Marblemount, 

Wash ........................................ 351

Cascade River at Marblemount, Wash............. 352

Miscellaneous analyses of streams in Pacific slope 

basins north of Columbia River in Wash.......... 353

Upper Columbia River basin ........................ 360

Kootenai River basin ............................. 360

Miscellaneous analyses of streams in Kootenai 

River basin................................... 360

Columbia River at international boundary (main

stem) ........................................ 361

Spokane River basin .............................. 364

Coeur d'Alene River at Cataldo, Idaho ............ 364

Columbia River at Grand Coulee Dam, Wash, (main

stem) ........................................ 367

Yakima River basin .............................. 370

Yakima River at Cle Elum, Wash................. 370

Yakima River at Kiona, Wash.................... 373

Part 13. Snake River basin ........................ 376

Snake River near Heise, Idaho (main stem) ......... 376

Henrys Fork basin ............................... 379

Henrys Fork near Rexburg, Idaho ................ 379

Snake River at King Hill, Idaho (main stem)......... 380

Boise River basin................................ 383

Boise River at Notus, Idaho...................... 383

Snake River near Clarkston, Wash, (main stem)..... 386

Part 14. Pacific slope basins in Oregon and Lower

Columbia River basin........................... 389

Lower Columbia River basin ...................... 389

John Day River basin............................. 389

South Fork John Day River near Dayville, Oreg.... 389

Desolation Creek near Dale, Oreg ................ 390

Deschutes River basin............................ 391

Deschutes River near Culver, Oreg............... 391

Crooked River near Culver, Oreg ................ 392

Metolius River near Grandview, Oreg............. 393

Deschutes River near Madras, Oreg.............. 394

Deschutes River at Moody, near Biggs, Oreg...... 395

Columbia River at Maryhill Ferry, near Rufus,

Oreg. (main stem) ............................ 396

Klickitat River basin ............................. 399

Klickitat River near Glenwood, Wash ............. 399

Klickitat River near Pitt, Wash .................. 400
XII CONTENTS

Chemical analyses, etc. --Continued 

Pacific slope basins in Oregon and Lower Columbia

River basin--Continued Page

Willamette River basin ........................... 401

Middle Fork Willamette River below North Fork,

near Oakridge, Oreg .......................... 401

Middle Fork Willamette River near Dexter, Oreg.. 402 

Fall Creek below Winberry Creek, near Fall

Creek, Oreg.................................. 403

Middle Fork Willamette River at Jasper, Oreg..... 404

South Fork McKenzie River near Rainbow, Oreg ... 405

Lookout Creek near Blue River, Oreg............. 406

North Santiam River below Boulder Creek, near

Detroit, Oreg................................. 407

Breitenbush River above Canyon Creek, near

Detroit, Oreg................................. 408

North Santiam River at Niagara, Oreg ............ 409

Middle Santiam River at mouth, near Foster, Oreg. 410

Willamette River at Salem, Oreg................. 411

Lewis River basin ............................... 414

Lewis River at Ariel, Wash...................... 414

East Fork Lewis River near Heisson, Wash ....... 415

Kalama River basin .............................. 416

Kalama River below Italian Creek, near Kalama,

Kalama, Wash ............................... 416

Cowlitz River basin .............................. 417

Cispus River near Randle, Wash ................. 417

Cowlitz River near Kosmos, Wash................ 418

West Fork Tilton River near Morton, Wash........ 419

Cowlitz River near Mayfield, Wash............... 420

Toutle River near Silver Lake, Wash ............. 421

Cowlitz River at Castle Rock, Wash .............. 422

Coweman River near Kelso, Wash................ 423

Abernathy Creek basin............................ 424

Abernathy Creek near Longview, Wash............ 424

Elokomin River basin ............................ 425

Elokomin River near Cathlamet, Wash............ 425

Big Creek basin ................................. 426

Big Creek near Knappa.......................... 426

Grays River basin ............................... 427

West Branch Grays River near Grays River, Wash. 427

Youngs River basin .............................. 428

North Fork Klaskanine River near Olney, Oreg .... 428

Pacific slope basins in Oregon..................... 429

Rogue River basin ............................... 429

Rogue River at Grants Pass, Oreg................ 429

Index.............................................. 433
CONTENTS XIII

ILLUSTRATION

Page

Figure 1. Map of the United States showing basins covered 

by the four water-supply papers on Quality of surface 

waters in 1955 ................................... 2

QUALITY OF SURFACE WATERS 

OF THE UNITED STATES, 1955

PARTS 9-14

INTRODUCTION

The quality-of-water investigations of the United States Geological Survey are concerned with chemical and physical characteristics of the surface and ground water supplies of the Nation. 

Most of the investigations carried on in cooperation with States 

and other Federal agencies deal with the amounts of matter in solution and in suspension in streams.

The records of chemical analysis, suspended sediment, and 

temperature for surface waters given in this volume serve as a 

basis for determining the suitability of the waters examined for 

industrial, agricultural, and domestic uses insofar as such use 

is affected by the dissolved or suspended mineral matter in the 

waters. The discharge of a stream and, to a lesser extent, the 

chemical quality are related to variations in rainfall and other 

forms of precipitation. In general, lower concentrations of dissolved solids may be expected during the periods of high flow than 

during periods of low flow. The concentration in some streams 

may change materially with relatively small variations in flow, 

whereas for other streams the quality may remain relatively uniform throughout large ranges in discharge. The quantities of suspended sediment carried by streams are also related to discharge, 

and during flood periods the sediment concentrations in many 

streams vary over wide ranges.

The regular yearly publication of records of chemical analyses, suspended sediment, and water temperature was begun by 

the Geological Survey in 1941. The annual records prior to 1948 

were published in a single volume for the entire country. Beginning in 1948, the records were published in two volumes, and beginning in 1950, in four volumes, covering the drainage basins 

shown in figure 1. The samples for which data are given were 

collected from October 1, 1955, to September 30, 1955. Descriptive statements are given for each sampling station for which regular series of chemical analyses, temperature observations, or 

sediment determinations have been made. These statements include the location of the stream-sampling station, drainage area, 

length of time for which records are available, extremes of dissolved solids, hardness, sediment loads, water temperature, and
QUALITY OF SURFACE WATERS, 1955

Parts 1-4; WSP 1400 

Parts 5-6; WSP 1401 

Parts 7-8;WSP 1402

Figure 1. Map of the United States showing basins covered 

by the four water-supply papers on quality of surface waters 

in 1955. The shaded portion represents the section of the 

country covered bythis volume; the unshaded portionrepresents the section of the country covered by other watersupply papers.

other pertinent data. Records of water discharge of the streams 

at, or near, the sampling point for the sampling period are included 

in most tables of analyses. The records are arranged by drainage 

basins, according to Geological Survey practice in reporting records of stream flow.

Beginning with the series of reports for the water year ending 

September 30, 1951, the order of listing station records was 

changed. In this report, stations on tributary streams are listed 

between stations on the main stream in the order in which those 

tributaries enter the main stem. Stations on tributaries to tributaries are inserted in a similar manner.

During the year ended September 30, 1955, 164 regular sampling stations on 134 streams for the study of the chemical character of surface waters were maintained by the Geological Survey 

in the area covered by this volume. Samples were collected less 

frequently during the year at many other points. Water temperatures were measured daily at 121 of the regular sampling stations. 

Not all analyses of samples of surface water collected during the 

year have been included. Single analyses of an incomplete nature 

generally have been omitted. Also, determinations made on the
COLLECTION AND EXAMINATION OF SAMPLES 3

daily samples before compositing have not been reported. Specific conductance was usually determined on each daily sample, 

and as noted in the table headings this information is available for 

reference at the district offices listed under Division of Work, on 

page 20.

Quantities of suspended sediment are reported for 21 stations during the year ended September 30, 1955. The sediment 

samples we re collected one or more times daily at most stations, 

depending on the rate of flow and changes in stage of the stream. 

Sediment samples were collected less frequently during the year 

at many other points. In connection with measurements of sediment discharge, "sizes of sediment particles were determined at 

19 of the stations. As noted under "Remarks" in the table headings, suspended-sediment concentrations also were determined 

from the samples collected for chemical analyses in some parts 

of the country. The data do not provide a reliable basis for computing the loads of suspended sediment carried by the stream but 

may be of value for design and operation of filtration plants utilizing these stream waters. Records of these infrequent determinations are available for reference in the district offices listed.

Material which is transported essentially in continuous contact 

with the stream bed and the material that bounces along the bed in 

short skips or leaps is termed bed load and is not considered in 

this report. All other undissolved fragmental material in transport is termed suspended sediment and generally constitutes the 

major part of the total sediment load. At the present time no reliable method has been developed for determining bed load on a 

routine basis.

COLLECTION AND EXAMINATION OF SAMPLES 

CHEMICAL QUALITY

Samples of chemical analyses were usually collected at or near 

points on streams where gaging stations are maintained for measurement of water discharge. Two methods of compositing samples 

for analysis are used in Geological Survey Laboratories: (1) Equal 

volume method-For streams, mostly those east of the Mississippi 

River, not subject to rapid and large fluctuations in chemical composition or concentration, three composite samples were usually 

prepared each month by mixing together equal volumes of daily samples collected from the 1st to the 10th, from the llth to the 20th, 

and during the remainder of the month. Samples were sometimes 

composited for shorter periods on the basis of the concentration of 

dissolved solids as indicated by measurements of specific conductance of the daily samples.

528172 O -59 -2
4 QUALITY OF SURFACE WATERS, 1955

(2) Discharge method-Composites based on discharge consist of 

a volume taken from each sample in proportion to the product of 

the rate of water discharge when the sample was collected and the 

length of time the sample represents. With this method usually 

each daily sample was assumed to represent an equal time and the 

volumes composited were taken in proportion to the rates of discharge when the samples were collected.

The samples were analyzed according to methods regularly 

used by the Geological Survey. These methods are essentially the 

same as or are modifications of methods described in recognized 

authoritative publications for the mineral analysis of water samples (Collins, 1928; Am. Public Health Assoc. , 1946).

The value usually reported as dissolved solids is the residue 

on evaporation after drying at 180°C for 1 hour. For some waters 

particularly those containing moderately large quantities of soluble 

salts, the value reported is the sum of the quantities of the various determined constituents using the carbonate equivalent of the 

reported bicarbonate. The sum of the constituents may be given 

instead of or in addition to the residue. Specific conductance is 

is given for most analyses and was determined by means of a conductance bridge using a standard potassium chloride solution as 

reference.

SEDIMENT

In general, suspended-sediment samples were collected daily 

with U. S. depth-integrating cable-suspended samplers ( U. S. 

Interagency, 1948, p. 70-76 and U. S. Interagency, 1952, p. 86-90) 

from a fixed sampling point at one vertical in the cross section. 

The US DH-48 hand sampler was used at many stations during periods of low flow. Suspended-sediment samples, consisting of 

depth-integrated samples at three or more verticals in the cross 

section, were made periodically to determine the cross-sectional 

distribution of the suspended concentration with respect to that at 

the daily sampling vertical. In streams where transverse distribution of sediment concentration ranges widely, samples were 

taken regularly at two or more verticals to determine the average 

concentration across the section. During periods of high flow, 

samples were taken two or more times throughout the day at many 

sampling stations, and during periods of rapidly changing flow 

samples were taken hourly at some stations.

Sediment concentrations were determined by filtration or evaporation of the samples as required. At many stations the daily 

mean concentration for some days was obtained by plotting the instantaneous concentrations on the original or copies of the original
COLLECTION AND EXAMINATION OF SAMPLES 5

gage-height chart. The plotted concentrations adjusted, if necessary, for cross-sectional distribution with respect to that at the 

daily sampling vertical, were connected or averaged by continuous 

curves to obtain a concentration graph. This graph represented the 

estimated concentration at any time and, for most periods, daily 

mean concentrations were determined from the graph. When the 

concentration and water discharge were changing rapidly, the day 

was often subdivided for this computation. For some periods when 

the day-to-day variation in the concentration was negligible, the 

data were not plotted, and the average concentration of the samples 

was used as the mean concentration for the day. For certain stations, when the discharge and concentrations were relatively low 

and varied only slightly from day to day, the samples for a number 

of days were composited and the mean daily concentrations and 

mean daily loads are shown.

For some periods when no samples were collected, daily loads 

of suspended sediment were estimated on the basis of water discharge, sediment concentrations observed immediately preceding 

and following the periods, and suspended-sediment loads for other 

periods of similar discharge. The estimates were further guided 

by weather conditions and sediment discharge for other stations.

In many instances where there were no observations for several days, the suspended-sediment loads for individual days are 

not estimated, because numerous factors influencing the quantities 

of transported sediment made it very difficult to make accurate estimates for individual days. However, estimated loads of suspended sediment for missing days in otherwise continuous period 

of sampling have been included in monthly and annual totals for 

most streams to provide a complete record.

In addition to the records of quantities of suspended sediment 

transported, records of the particle sizes of sediment are included 

also. The particle sizes of the suspended sediments for many of 

the stations, and the particle sizes of the bed material for some 

of the stations were determined periodically. As much of the material carried in suspension is finer than 0. 062 mm, the pipette 

method, (Kilmer and Alexander, 1949) or the bottom withdrawal tube 

method (U. S. Interagency, 1943, p. 82-90) were used in most of 

the analyses. Size fractions between 1. 000 mm and 0.062 mm were 

usually analyzed by the visual accumulation tube method (U. S. 

Interagency 1957). Separations between sand and silt-clay sizes 

and some analyses of all sediment coarser than 0. 062 mm were 

made by sieve analysis. Native or distilled water, as noted in the 

tables of analyses, was used as the settling medium. In some instances, chemical dispersing agents were added to the settling medium. In some instances, chemical dispersing agents were added 

to the settling medium. As settling diameters of the clay and colloidal fractions are often affected by the chemical character of the
6 QUALITY OF SURFACE WATERS, 1955

settling medium^ analyses made using native water may more 

nearly simulate particle sizes existing in the stream. Results of 

analyses using distilled water or using a settling medium containing dispersing agents approximate ultimate particle sizes of the 

finer fractions. The concentration of sediment suspension for analysis was reduced to less than 5,000 parts per million, where 

necessary, by means of a sample splitter, in order to stay within 

limits recommended for the bottom-withdrawal tube or pipette 

method. The concentration of suspended sediment used in the 

bottom-withdrawal tube or pipette cylinder was often different from 

the concentration in the original suspension. The concentration at 

which analyses were made is indicated in the appropriate tables.

TEMPERATURE

For most of the stations, daily water temperatures were obtained at the time that the chemical quality or sediment samples 

were collected. So far as practicable the water temperatures were 

observed at about the same time each day for an individual river 

station in order that the data would be relatively unaffected by diurnal variations in temperature. For most large, swiftly flowing 

streams the diurnal variation in water temperature is probably 

small, but for sluggish or shallow streams the daily range in temperature may amount to several degrees and may follow closely 

changes in air temperature. The thermometers used for determination of water temperature were accurate to plus or minus 

about 0.5°F.

Records of thermograph observations consist of maximum and 

minimum temperatures for each day, and the monthly averages of 

the maximum daily and minimum daily temperatures.

EXPRESSION OF RESULTS

The dissolved mineral constituents are reported in parts per 

million. A part per million is a unit weight of a constituent in a 

million unit weights of water. Equivalents per million are not 

given in this report although the expression of analyses in equivalents per million is sometimes preferred. An equivalent per million is a unit chemical combining weight of a constituent in a million unit weights of water. Equivalents per million are calculated 

by dividing the concentration in parts per million by the chemical 

combining weights of the individual constituents. For convenience
EXPRESSION OF RESULTS 7

in making this conversion the reciprocals of chemical combining 

weights of the most commonly reported constituents (ions) are 

given in the following table:

Constituent Factor Constituent Factor

Iron (Fe++ ). ........ .0.0358 Carbonate (CO 3") . .0.0333

Iron (Fe+++). ........ .0537 Bicarbonate (HCO 3~). .0164

Calcium (Ca++) ...... .0499 Sulfate (SO 4 ~) . . . . . .0208

Magnesium (Mg++) . . . .0822 Chloride (Cl ~) ...... .0282

Sodium (Na+) ........ .0435 Fluoride (F~). ...... .0526

Potassium (K+) ...... .0256 Nitrate (NO 3 -). ..... .0161

Results given in parts per million can be converted to grains 

per United States gallon by dividing by 17.12. A calculated quantity of sodium and potassium is given in some analyses and is the 

quantity of sodium needed in addition to the calcium and magnesium to balance the acid constituents.

The hardness, as calcium carbonate (CaCO3), is calculated 

from the equivalents of calcium and magnesium, or is determined 

by directtitration. The hardness caused by calcium and magnesium (and other ions if significant) equivalent to the carbonate and 

bicarbonate is called carbonate hardness; the hardness in excess 

of this quantity is called noncarbonate hardness.

In the analyses of most waters used for irrigation, the quantity of dissolved solids is given in tons per acre-foot as well as in 

parts per million. Percent sodium is computed for those analyses where sodium and potassium are reported separately by dividing the equivalents per million of sodium by the sum of the equivalentsper million of calcium, magnesium, sodium, and potassium and multiplying the quotient by 100. In analyses where sodium and potassium were calculated and reported as a combined 

value, the value reported for percent sodium will include the equivalent quantity of potassium. In most waters of moderate to 

high concentration, the proportion of potassium is much smaller 

than that of sodium.

Specific conductance values are expressed in reciprocal ohms 

per centimeter times 10 6 (micromhos per cm at 25°C). The discharge of the streams is reported in cubic feet per second (see 

Streamflow, p. 21) and the temperature in degrees Fahrenheit. 

Color is expressed in units of the platinum-cobalt scale proposed 

by Hazen (1892, p. 427-428). Hydrogen-ion concentration is expressed in terms of pH units. By definition the pH value of a solution is the negative logarithm of the concentration of gram ions 

of hydrogen. However, the pH meter which is generally used in 

Survey laboratories, determines the activity of the hydrogen ions 

as distinguished from concentration.
8 QUALITY OF SURFACE WATERS, 1955

An average of analyses for the water year is given for most 

daily sampling stations. Most of these averages are arithmetical 

or time-weighted; when analyses during a year are all on 10*-day 

composites of daily samples with no missing days, the arithmetical and time-weighted aver ages are equivalent. A time-weighted 

average represents the composition of water that would be contained in a vessel or reservoir that had received equal quantities 

of water from the river each day for the water year. The dischargeweighted average reportedfor some station approximates the composition of water that would be found in a reservoir containing all 

of the water passing a given station during the year after thorough 

mixing in the reservoir. A discharge-weighted average is computed by multiplying the discharge for the sampling period by the 

concentrations of the individual constituents for the corresponding 

period and dividing the sum of the products by the sum of the discharges. Discharge-weighted averages are usually lower tnan 

arithmetical averages for most streams because at times of high 

discharge the rivers generally have lower concentrations of dissolved solids.

The concentration of sediment in parts per million is computed 

as 1,000,000 times the ratio of the weight of sedimentto the weight 

of water-sediment mixture. Daily sediment loads are expressed 

in tons per day and except for subdivided days are usually obtained 

by multiplying daily mean sediment concentration in parts per million by the daily mean discharge, and the appropriate conversion 

factor, normally 0. 0027.

Particle-size analyses are expressed in percentages finer than 

indicated sizes in millimeters. The size classification used in this 

report is that recommended by the American Geophysical Union 

Subcommittee on sediment terminology (Lane, et al; 1947, p. 937). 

Other data included as pertinent to the size analyses for many 

streams are the date of collection, the stream discharge and sediment concentration when sample was collected, the concentration 

of the suspension during analysis, and the method of analysis.

COMPOSITION OF SURFACE WATERS

All natural waters contain dissolved mineral matter. Water 

in contact with soils or rock, even for only a few hours, will dissolve some rock materials. The quantity of dissolved mineral 

matter in a natural water depends primarily on the type of rocks 

or soils through which the water has passed and the length of time 

it has been in contact with the rocks or soils. Some streams are 

fed by both surface runoff and underground water from springs or
COMPOSITION OF SURFACE WATERS 9

seeps. Such streams reflect the chemical character of their concentrated underground sources during dry periods and are more 

dilute during periods of heavy rainfall. Underground water is usually more highly concentrated than surface runoff as it remains 

in contact with the rocks and s.oils for much longer periods. The 

concentration of dissolved solids in a river water is frequently increased by drainage from mines or oil fields, by the addition of 

industrial or municipal wastes, or--in irrigated regions by return drain waters.

The mineral constituents and physical properties of natural 

waters reported in the tables of analyses include those that have 

a practical bearing on the value of the waters for most purposes. 

The analyses generally include results for silica, iron, calcium, 

magnesium, sodium, potassium (or sodium and potassium together 

as sodium),bicarbonate, sulfate, chloride, fluoride, nitrate, boron, pH, and dissolved solids. Aluminum, manganese, color, 

acidity, oxygen consumed, and other dissolved constituents and 

physical properties are reported for certain streams. The source 

and significance of the different constituents and properties of natural waters are discussed in the following paragraphs.

MINERAL CONSTITUENTS IN SOLUTION

Silica (SiO2 )

Silica is dissolved from practically all rocks. Some natural 

surface waters contain less than 5 parts per million of silica and 

few contain more than 50 parts, but the more common range is 

from 10 to 30 parts per million. Silica affects the usefulness of 

a water because it contributes to the formation of boiler scale; it 

usually is removed from feed water for high-pressure boilers. 

Silica also forms troublesome deposits on the blades of steam turbines.

Aluminum (Al)

Aluminum is usually present only in negligible quantities in 

natural waters except in areas where the waters have been in contact with the more soluble rocks of high aluminum content such as 

bauxite and certain shales. Acid waters often contain large amounts of aluminum. It may be troublesome in feed waters where 

it tends to be deposited as a scale on boiler tubes.
10 QUALITY OF SURFACE WATERS, 1955

Manganese (Mn)

Manganese is dissolved in appreciable quantities from rocks 

in some sections of the country. Waters impounded in large reservoirs may contain manganese that has been dissolved from the 

mud on the bottom of the reservoir by action of carbon dioxide 

produced by anaerobic fermentation of organic matter. Manganese is not regularly determined in areas where it is not present 

in the waters in appreciable amounts. It is especially objectionable in water used in laundry work and in textile processing. Concentrations as low as 0.2 part per million may cause a dark-brown 

or black stain on fabrics and porcelain fixtures. Appreciable quantities of manganese are often found in waters containing objectionable quantities of iron.

Iron (Fe)

Iron is dissolved from many rocks and soils. On exposure to 

the air, normal basic waters that contain more than 1 part per 

million of iron soon become turbid with the insoluble reddish ferric oxide produced by oxidation. Surface waters, therefore, seldom contain as much as 1 part per million of dissolved iron, although some acid waters carry large quantities of iron in solution. 

Iron causes reddish-brown stains on white porcelain or enameled 

ware and fixtures and on fabrics washed in the water.

Calcium (Ca)

Calcium is dissolved from practically all rocks and soils, but 

the highest concentrations are usually found in waters that have 

been in contact with limestone, dolomite, and gypsum. Calcium 

and magnesium make water hard and are largely responsible for 

the formation of boiler scale. Most waters associated with granite 

or silicious sands contain less than 10 parts per million of calcium; waters in areas where rocks are composed of dolomite and 

limestone contain from 30 to 100 parts per million; and waters 

that have come in contact with deposits of gypsum may contain 

several hundred parts per million.

Magnesium (Mg)

Magnesium is dissolved from many rocks, particularly from 

dolomitic rocks. Its effect in water is similar to that of calcium. 

The magnesium in soft waters may amount to only 1 or 2 parts
COMPOSITION OF SURFACE WATERS 11

per million, but water in areas that contain large quantities of 

dolomite or other magnesium-bearing rocks may contain from 20 

to 100 parts per million or more of magnesium.

Sodium and potassium (Na and K)

Sodium and potassium are dissolved from practically all rocks. 

Sodium is the predominant cation in some of the more highly mineralized waters found in the western United States. Natural waters that contain only 3 or 4 parts per million of the two together 

are likely to carry almost as much potassium as sodium. As the 

total quantity of these constituents increases, the proportion of 

sodium becomes much greater. Moderate quantities of sodium 

and potassium have little effect on the usefulness of the water for 

most purposes, but waters that carry more than 50 or 100 parts 

per million of the two may require careful operation of steam 

boilers to prevent foaming. More highly mineralized waters that 

contain a large proportion of sodium salts may be unsatisfactory 

for irrigation.

Carbonate and bicarbonate (CO3 and HCO3 )

Bicarbonate occurs in waters largely through the action of 

carbon dioxide, which enables the water to dissolve carbonates 

of calcium and magnesium. Carbonate as such is not usually 

present in appreciable quantities in natural waters. The bicarbonate in waters that come from relatively insoluble rocks may 

amount to less than 50 parts per million; many waters from limestone contain from 200 to 400 parts per million. Bicarbonate in 

moderate concentrations in water has no effect on its value for 

most uses. Bicarbonate or carbonate is an aid in coagulation for 

the removal of suspended matter from water.

Sulfate (SO*)

Sulfate is dissolved from many rocks and soils--in especially 

large quantities from gypsum and from beds of shale. It is formed also by the oxidation of sulfides of iron and is therefore present in considerable quantities in waters from mines. Sulfate in 

waters that contain much calcium and magnesium causes the formation of hard scale in steam boilers and may increase the cost 

of softening the water.
12 QUALITY OF SURFACE WATERS, 1955

Chloride (Cl)

Chloride is dissolved from rock materials in all parts of the 

country. Surface waters in the humid regions are usually low in 

chloride, whereas streams in arid or semiarid regions may contain several hundred parts per million of chloride leached from 

soils and rocks, especially where the streams receive return 

drainage from irrigated lands or are affected by ground-water-inflow carrying appreciable quantities of chloride. Large quantities 

of chloride may affect the industrial use of water by increasing 

the corrosiveness of waters that contain large quantities of calcium and magnesium.

Fluoride (F)

Fluoride has been reported as being present in some rocks to 

about the same extent as chloride. However, the quantity of fluoride in natural surface waters is ordinarily very small compared 

to that of chloride. Recent investigations indicate that the incidence of dental caries is less when there are small amounts of 

fluoride present in the water supply than when there is none. However, excess fluoride in water is associated with the dental defect 

known as mottled enamel if the water is used for drinking by young 

children during calcification or formation of the teeth (Dean, 1936, 

p. 1269-1272). This defect becomes increasingly noticeable as the 

quantity of fluoride in water increases above 1. 5 to 2.0 parts per 

million.

Nitrate (NO3)

Nitrate in water is considered a final oxidation product of nitrogenous material and in some instances may indicate previous 

contamination by sewage or other organic matter. The quantities 

of nitrate present in surface waters usually amount to less than 5 

parts per million (as NO3) and have no effect on the value of the 

water for ordinary uses.

It has been reported that as much as 2 parts per million of nitrate in boiler water tends to decrease intercrystalline cracking 

of boiler steel. Studies made in Illinois indicate that nitrates in 

excess of 70 parts per million (as NO3) may contribute to methemoglobinemia ("blue babies") (Faucett and Miller, 1946, p. 593), 

and more recent investigations conducted in Ohio show that drinking water containing nitrates in the range of 44 to 88 parts per million or more (as NO3) may be the cause of methemoglobinemia in 

infants (Waring, 1949). In a report published by the National Re-
COMPOSITION OF SURFACE WATERS 13

search Council, Maxcy (1950, p. 271) concludes that a nitrate content in excess of 44 parts per million (as NO3) should be regarded

as unsafe for infant feeding.

Boron (B)

Boron in small quantities has been found essential for plant 

growth, but irrigation water containing more than 1 part per million boron is detrimental to citrus and other boron-sensitive crops. 

Boron is reported in Survey analyses of surface waters in arid and 

semiarid regions of the Southwest and West where irrigation is 

practiced or contemplated, but few of the surface waters analyzed 

have harmful concentrations of boron.

Dissolved solids

The reported quantity of dissolved solids the residue on evaporation--consists mainly of the dissolved mineral constituents in 

the water. It may also contain some organic matter and water of 

crystallization. Waters with less than 500 parts per million of dissolved solids are usually satisfactory for domestic and some industrial uses. Waters containing several thousand parts per million of dissolved solids are sometimes successfully used for irrigation where practices permit the removal of soluble salts through 

the application of large volumes of water on well-drained lands.

PROPERTIES AND CHARACTERISTICS OF WATER 

Oxygen consumed

The value for oxygen consumed furnishes an approximation of 

the oxidizable matter in the unfiltered and filtered samples and 

gives a partial measure of polluting materials such as sewage and 

oxidizable industrial wastes. Naturally highly colored waters may 

have relatively high oxygen consumed, although waters that are 

not noticeably colored may contain oxidizable material.

Color

In water analysis the term "color" refers to the appearance 

of water that is free from suspended solids. Many turbid waters 

that appear yellow, red, or brown when viewed in the stream show 

very little color after the suspended matter has been removed.
14 QUALITY OF SURFACE WATERS, 1955

The yellow-to-brown color of some waters is usually caused by 

organic matter extracted from leaves, roots, and other organic 

substances in the ground. In some areas objectionable color in 

water results from industrial wastes and sewage. Clear deep water may appear blue as the result of a scattering of sunlight by the 

water molecules. Water for domestic use and some industrial uses 

should be free from any perceptible color. A color less than 10 

units usually passes unnoticed. Some swamp waters have natural 

color of 200 to 300 units or more.

Hydrogen-ion concentration (pH)

The degree of acidity or alkalinity of water, as indicated by 

the hydrogen-ion concentration, expressed as pH, is related to 

the corrosive properties of water, and is useful in determining 

the proper treatment for coagulation that may be necessary at water-treatment plants. A pH value of 7.0 indicates that the water 

is neither acid nor alkaline. Waters having pH values progressively lower than 7.0 denote increasing acidity, whereas values 

progressively higher than 7. 0 denote increasing alkalinity (see p. 

7 ). The pH of most natural surface waters ranges between 6 

and 8. Some alkaline surface waters have pH values greater than 

8.0, and waters containing free mineral acid usually have pH values 

less than 4. 5.

Specific conductance (micromhos per centimeter at 25°C)

The specific conductance of a water is a measure of its capacity to conduct a current of electricity. The conductance varies 

with the concentration and degree of ionization of the different minerals in solution and with the temperature of the water. When considered in conjunction with results of determinations for other constituents, specific conductance is a useful determination and plays 

an important part in indicating changes in concentration of the total quantity of dissolved minerals in surface waters. (See p. 7. )

Hardness

Hardness is the characteristic of water that receives the most 

attention in industrial and domestic use. It is usually recognized 

by the increased quantity of soap required to produce lather. The 

use of hard water is also objectionable because it contributes to 

the formation of scale in boilers, water heaters, radiators, and 

pipes, with the resultant decrease in rate of heat transfer, possibility of boiler failure, and loss of flow.
COMPOSITION OF SURFACE WATERS 15

Hardness is caused almost entirely by compounds of calcium 

and magnesium. Other constituents such as iron, manganese, 

aluminum, barium, strontium, and free acid--also cause hardness, although they usually are not present in quantities large 

enough to have any appreciable effect. Water that has less than 

60 parts per million of hardness is usually rated as soft and suitable for many purposes without further softening. Waters with 

hardness ranging from 61 to 120 parts per million may be considered moderately hard, but this degree of hardness does not 

seriously interfere with the use of water for many purposes except for use in high-pressure steam boilers and in some industrial processes. Waters with hardness ranging from 121 to 200 

parts per million are considered hard, and laundries and industries may profitably soften such supplies. Water with hardness 

above 200 parts per million usually requires some softening before 

being used for most purposes.

Total acidity

The total acidity of a natural water represents the content of 

free carbon dioxide, mineral acids, and salts especially sulfates 

of iron andaluminum-- that hydrolyze to give hydrogen ions. Acid 

waters are very corrosive and generally contain excessive amounts 

of objectionable constituents, such as iron, aluminum, and manganese.

Corrosiveness

The corrosiveness of a water is that property which makes the 

water aggressive to metal surfaces and frequently results in the 

appearance of the "red water" caused by solution of iron. The disadvantages of iron in water have been discussed previously. Additionally, corrosion causes the deterioration of water pipes, steam 

boilers, and water-heating equipment. Many waters that do not 

appreciably corrode cold-water lines will aggressively attack hotwater lines. Oxygen, carbon dioxide, free acid, and acid-generating salts are the principal constituents in water that cause corrosion. In a general way, very soft waters of low mineral content 

tend to be more corrosive than hard waters containing appreciable 

quantities of carbonates and bicarbonates of calcium and magnesium.

Percent sodium

Percent sodium is reported in most of the analyses of waters 

collected from streams in the western part of the country where
16 QUALITY OF SURFACE WATERS, 1955

irrigation is practiced extensively. The proportion of sodium to 

all the basic constituents in the water has a bearing on the suitability of a water for irrigation. (See p. 7 .) Waters in which the 

percent sodium is more than 60 may be injurious when applied to 

certain types of soils, particularly when adequate drainage is not 

provided(Magistad and Christiansen, 1944, p. 8-9; Wilcox, 1948, 

P. 6).

Sodium-adsorption-ratio

TheU. S. Salinity Laboratory Staff (1954) introduced the term 

sodium-adsorption-ratio (SAR), a ratio for irrigation waters and 

soil extracts used to express the relative activity of sodium ions 

in exchange reactions with the soil. This ratio is expressed by 

the equation:

SAR=

++ \/ Ca+++Mg 

2

where the concentrations of the ions are expressed in milliequivalents per liter (or equivalents per million for most irrigation 

waters). It has more significance than percent sodium for use as 

an index of the sodium or alkali hazard of the water because it relates more directly to the adsorption of sodium by the soil.

Waters are divided into four classes with respect to sodium or 

alkali hazard: low, medium, high, and very high, depending upon 

the SAR value and the specific conductance. At a conductance of 

100 micromhos per centimeter the dividing points are at SAR values 

of 10, 18, and 26, but at 5,000 micromhos the corresponding dividingpoints are atSAR values of approximately 2. 5, 6. 5, and 11. 

Waters range in respect to sodium hazard from those which can 

be used for irrigation on almost all soils to those which are generally unsatisfactory for irrigation.

SEDIMENT

Fluvial sediment is generally regarded as that sediment which 

iB transported by, suspended in, or deposited by water. Suspended sediment is that sediment which remains in suspension in water owing to the upward components of turbulent currents or by 

colloidal suspension. Most fluvial sediment results from the normalprocess of erosion, which in turn is part of the geologic cycle 

of rock transformation. In some instances, this normal process
PUBLICATIONS 17

may have been accelerated by agricultural practices. Sediment 

also results from a number of industrial activities. In certain 

sections, waste materials from mining, logging, oil-field, and 

other industrial operations introduce large quantities of suspended 

as well as dissolved material.

The quantity of sediment, transported or available for transportation, is affected by climatic conditions, form or nature of 

precipitation, vegetal cover, topography, and land use. An important property of fluvial sediment is the fall velocity of the particles in transport. Particle sizes, as determined by various 

methods, represent mechanical diameters, which are related to 

sedimentation diameters indirectly. Sediment particles in the 

sand-size (larger than 0.062 mm) range do not appear to be affected by flocculation or dispersion resulting from the mineral 

constituents in solution. The sedimentation diameter of clay and 

silt particles in suspension may vary considerably from point to 

point in a stream or reservoir, depending on the mineral matter 

in solution and in suspension and the degree of turbulence present. 

The size of sediment particles in transport at any point depends 

on the type of erodible and soluble material in the drainage area, 

the degree of flocculation present, time in transport, and characteristics of the transporting flow. The flow characteristics include velocity of water, turbulence, and the depth, width, and 

roughness of the channel. As a result of these variable characteristics, the size of particles transported, as well as the total 

sediment load, is in constant adjustment with the characteristics 

and physical features of the stream and drainage area.

PUBLICATIONS

Reports giving chemical analyses, suspended-sediment loads, 

and water temperatures of samples of surface water made by the 

Geological Survey have been published yearly since 1941. Records 

for many of .the stations listed in this report for the water years 

ending September 30, 1941-1955 are listed below:

Numbers of water-supply papers containing records for 

Part 9-14, 1941-55

Year

1941

1942

1943

1944

WSP

942

950

970

1022

Year

1945

1946

1947

1948

WSP

1030

1050

1102

1133

Year

1949

1950

1951

1952

WSP

1163

1189

1200

1253

Year

1953

1954

1955

--

WSP

1293

1353

1403

--
18 QUALITY OF SURFACE WATERS, 1955

Geological Survey reports containing analyses of surface-water 

samples collected prior to 1941 are listed below. Publications 

dealing largely with the quality of ground-water supplies and only 

incidentally covering the chemical composition of surface-waters 

are not included. Publications that are out of print are preceded 

by an asterisk.

PROFESSIONAL PAPER

*135. Composition of river and lake waters of the United States, 

1924.

BULLETINS

*479. The ge.ochemical interpretation of water analyses, 1911. 

770. The data of geochemistry, 1924.

WATER-SUPPLY PAPERS

*108. Quality of water in the Susquehanna River drainage basin, 

with an introductory chapter on physiographic features, 

1904.

*161. Quality ofwater in the upper Ohio River basin and at Erie, 

Pa., 1906.

*193. The quality of surface waters in Minnesota, 1907.

*236. The quality of surface waters in the United States, Part 1, 

Analyses of waters east of the one hundredth meridian, 

1909.

*237. The quality of the surface waters of California, 1910.

*239. The quality of the surface waters of Illinois, 1910.

*273. Quality of the water supplies of Kansas, with a preliminary report on stream pollution by mine waters in southeastern Kansas, 1911.

*274. Some stream waters of the western United States, with 

chapters on sediment carried by the Rio Grande and the 

industrial application of water analyses, 1911.

*339. Quality of the surface waters of Washington, 1914.

*363. Quality of the surface waters of Oregon, 1914.

*418. Mineral springs of Alaska, with a chapter on the chemical 

character of some surface waters of Alaska, 1917.

*596-B. Quality of water of Colorado River in 1925-26, 1928.

*596-D. Quality of water of Pecos River in Texas, 1928.

*596-E. Quality of the surface waters of New Jersey, 1928.
COOPERATION 19

*636-A. Quality of water of the Colorado River in 1926-28, 1930.

*636-B. Suspended matter in the Color ado River in 1925-28, 1930.

*638-D. Quality of water of the Colorado River in 1928-30, 1932.

*839. Quality of water of the Rio Grande basin above Fort Quitman, Tex., 1938.

*889-E. Chemical character of surface water of Georgia, 1944.

*998. Suspended sediment in the Colorado River, 1925-41, 1947. 

1048. Discharge and sediment loads in the Boise River drainage

basin, Idaho, 1939-40, 1948. 

1110-C. Quality of water of Conchas Reservoir, New Mexico,

1939-49, 1952.

Many of the reports listed are available for consultation in the 

larger public and institutional libraries. Copies of Geological 

Survey publications still in print may be purchased at a nominal 

cost from the Superintendent of Documents, Government Printing 

Office, Washington 25, D. C., who will, upon request, furnish 

lists giving prices.

COOPERATION

Financial assistance was furnished by the Bureau of Reclamation of the United States Department of the Interior in the operation of some stations in Arizona. Investigations of chemical quality in the Great Basin and Pacific slope basins in California were 

continued in cooperation with the State of California. Financial 

assistance also was furnished by the Corps of Engineers, United 

States Army, in operation of a sediment and chemical quality station on the East Fork Russian River near Ukiah, Calif. Investigations of chemical quality in the upper VirginRiver basin, Utah, 

were continued in cooperation with the State of Utah. Investigations 

of sediment characteristics of the Green River near Palmer,Wash. 

were continued in cooperation with the city of Tacoma.

Assistance in collecting records was given by many municipal, 

State, and Federal agencies.

In addition to the cooperative program, many of the stations 

were operated from funds appropriated directly to the Geological 

Survey for quality-of-water investigations. Investigations of the 

chemical quality and suspended-sediment loads in the Colorado 

River basin in Arizona, Colorado, Nevada, New Mexico, and Utah 

have been carried on as a continuing Federal project since 1925.

5Z817Z O-59-3
20 QUALITY OF SURFACE WATERS, 1955

DIVISION OF WORK

The quality-of-water program was conducted by the Water Resources Division of the Geological Survey, C. G. Paulsen, chief 

hydraulic engineer, and S. K. Love, chief of the Quality of Water 

Branch. The records were collected and prepared for publication 

under supervision of district chemists as follows: In Arizona and 

New Mexico - J. M. Stow; in Colorado and Wyoming (Colorado 

River basin), Nevada, Utah, and Idaho - J. G. Connor;in Washington and Oregon, - H. A. Swenson; in California - I.W. Walling. 

Any additional information on file maybe obtained by writing or 

visiting the responsible Survey Quality of Water district office as 

listed in the following table.

District office

Geology Building 

University of N. Mex. 

Post Office Box 4217 

Albuquerque, N. Mex.

Post Office Box 2657

Building 504

Fort Douglas

Salt Lake City, Utah

2520 Marconi Ave. 

Sacramento, Calif.

1001 N. E. Lloyd Blvd. 

Post Office Box 3418 

Portland 8, Oreg.

Drainage basin

Colorado River basin 

(Arizona, New Mexico)

Colorado River basin 

(Colorado, Utah, Wyoming,

and Nevada) 

The Great Basin 

(Utah, Nevada)

The Great Basin (California) 

Pacific slope basins in 

California

Pacific slope basins in 

Washington and upper 

Columbia River basin

Snake River basin

Pacific slope basins in

Oregon and Lower Columbia 

River basin
QUALITY OF SURFACE WATERS, 1955 21

STREAMFLOW

Most of the records of stream discharge, used in conjunction 

with the chemical analyses and in the computation of sediment loads 

in this volume, are published in Geological Survey reports on the 

surface-water supply of the United States. The discharge reported 

for a composite sample is usually the average of the mean daily 

discharges for the normal composite period. For analyses in which 

the composite periods differ from the normal 10 or 11-day period, 

the discharges reported are the averages of the mean daily discharges for the days indicated. The discharges reported in the 

tables of single analyses are either daily mean discharges or discharges for the time at which samples were collected, computed 

from a stage-discharge relation or from a discharge measurement.

LITERATURE CITED

American Public Health Association, 1946, Standard methods for 

the examination of water and sewage, 9th ed. , p. 1-112.

Collins, W. D. , 1928, Notes on practical water analysis: U. S. 

Geol. Survey Water Supply Paper 596-H.

Dean, H. T. , 1936, Chronic endemic dental fluorosis: Am. Med. 

Assoc." Jour. , v. 107, p. 1269-1272.

Faucett, R. L. , and Miller, H. C. , 1946, Methemoglobinemia occurring in infants fed milk diluted with well waters of high 

nitrate content: Jour. Pediatrics, v. 29, p. 593.

Hazen, Alien, 1892, A new color standard for natural waters: Am. 

Chem. Jour., v. 12, p. 427-428.

Kilmer, V. J. and Alexander, L. T. , 1949, Methods of making 

mechanical analyses of soils: Soil Sci. , v. 68, p. 15-24.

Lane, E. W., et al. , 1947, Report of the Subcommittee on Terminology: Am. Geophys. Union Trans. , v. 28, p. 937.

Magistad, O. C. , and Christiansen, J. E. , 1944, Saline soils, 

their nature and management: U. S. Dept. Agriculture 

Circ. 707, p. 8-9.

Maxcy, Kenneth F. , 1950, Report on the relation of nitrate concentrations in well waters to the occurrence of methemoglobinemia: Natl. Research Council, Bull. , Sanitary Engineer, p. 265, App. D.
22 QUALITY OF SURFACE WATERS, 1955

U. S. Interagency Report 6, 1952, A study of methods used in 

measurements and analysis of sediment loads used in 

streams, the design of improved types of suspended sediment samples, p. 86-90, U. S. Engineer Office, St. Paul, 

Minn.

U. S. Interagency Report 7, 1943, A study of methods used in 

measurement and analysis of sediment loads in streams, 

a study of new methods for size analysis of suspended sediment samples, p. 82-90; U. S. Engineer Office, St. Paul, 

Minn.

U. S. Interagency Report 8, 1948, A study of methods used in 

measurement and analysis of sediment loads of streams, 

measurement of the sediment discharge of streams, p. 

70-76; U. S. Engineer Office, St. Paul, Minn.

U. S. Interagency Report 11, 1957, A study of methods used in 

measurement and analysis of sediment loads used in 

streams, the development and calibration of the visual - 

accumulation tube.

U. S. Salinity Laboratory Staff, 1954, Diagnosis and improvement 

of saline and alkali soils: U. S. Dept. Agriculture, Agriculture Handbook 60, p. 1-160.

Waring, F. Holman, 1949, Significance of nitrates in water supplies: Jour. Am. Water Works Assoc. , v. 72, no. 2.

Wilcox, L. V. , 1948, Explanation and interpretation of analyses 

of irrigation waters: U. S. Dept. Agriculture Circ. 784, 

p. 6.
CHEMICAL ANALYSES, WATER TEMPERATURES, AND SUSPE

PART 9. COLORADO RIVER BASIN

COLORADO RIVER MAIN STEM 

COLORADO RIVER AT HOT SULPHUR SPRINGS, COLO.

LOCATION. At bridge at Hot Sulphur Springs, Grand County, 1 mile downstream from gaging station whic

DRAINAGE AREA. 782 square miles (above gaging station).

RECORDS AVAILABLE.--Chemical analyses: April 1947 to September 1955.

Water temperatures: April 1949 to September 1955. 

EXTREMES, 1954-55.--Dissolved solids: Maximum, 123 ppm July 16-31; minimum, 65 ppm May 1-10.

Hardness: Maximum, 80 ppm Aug. 1-10; minimum, 33 ppm May 11-20.

Specific conductance: Maximum daily, 202 micromhos Sept. 30; minimum daily, 79.9 micromhos May 21.

Water temperatures: Maximum, 72°F Aug. 20; minimum, freezing point on many days from October to Ap

EXTREMES, 1947-55.--Dissolved solids (1947-50, 1952-55); Maximum, 123 ppm July 16-31, 1955; minimum, 

Hardness (1947-50, 1952-55): Maximum, 80 ppm Aug. 1-10, 1955; minimum, 20 ppm June 21-30, 1947.

Specific conductance: Maximum daily, 202 micromhos July 31, 1952, Sept. 30, 1955; minimum daily, 4

Water temperatures (1949-55): Maximum, 72°F July 27, 1953, July 15, 1954, Aug. 20, 1955; minimum, 

REMARKS. Values reported for dissolved solids are residues on evaporation. Records of specific cond

office at Salt Lake City, Utah. Records of discharge for water year October 1954 to September 195

Chemical analyses, in parts per million, water year October 1954 to S

Date of collection

Oct. 1-10, 1954 . .

Nov. 1-10. .......

Nov. 11-20. ......

Dec. 1-10........

Dec. 22-31, Jan. 1- 

2, 1955... .....

Jan. 11-20.......

Jan. 21-31 .......

Feb. 20-28. ......

Mar. 1-10 .......

Mar. 21-31. ......

Mean 

discharge 

(cfs)

63.5 

69.4 

73.0 

79.3 

72.3 

58.7

63.9 

61.0

63.1 

64.0 

62.5 

65.8

64.8 

66.7 

67.1 

67.6 

74.0 

73.1

Silica 

(Si02)

13 

14 

14 

13 

14 

15

14 

15

15 

14 

14 

14

14 

14 

14 

13 

13 

13

Iron 

(Fe)

0.05 

.10 

.03 

.04 

.04 

.04

.05 

.07

.07 

.13 

.04 

.05

.09 

.04 

.03 

.04 

.04 

.03

Calcium 

(Ca)

19 

19 

18 

18 

19 

19

18 

17

22 

16 

16 

15

15 

15 

15 

15 

16 

15

Magnesium 

(Mg)

3.5 

3.5 

3.7 

3.3 

3.5 

4.2

3.4 

3.4

4.7 

3.2 

3.3 

3.2

3.1 

3.0 

2.9 

2.9 

3.0 

3.4

Sodium 

(Na)

7.8 

6.9 

6.9 

6.5 

6.9 

7.2

6.5 

6.5

7.3 

6.5 

6.4 

6.2

5.4 

5.3 

6.9 

7.4 

6.8 

8.2

Potassium 

(K)

1.5 

1.5 

1.5 

1. 5 

1.5 

1.5

1.5 

1.6

1.6 

1.6 

1.1 

1.1

.9 

1.4 

1.1 

1.4 

1.4 

1.1

Bicarbonate 

(HCOS )

86 

82 

82 

80 

82 

86

79 

78

84 

74 

69 

68

68 

68 

70 

70 

70 

71

Sulfate 

(S04 )

6.9 

6.8 

6. 2 

6.2 

6.2 

6.9

6.1 

6.3

12 

6.6 

6.0 

5.7

5.3 

5.0 

5.7 

5.8 

6.2 

7.6

Chloride 

(Cl)

1.8 

1.2 

1.2 

1.2 

1.1 

1.1

1.2 

1.0

2.1 

1.1 

1.5 

1.0

1.0 

1.0 

2.2 

2.1 

2.5 

4.4

Fluoride 

(F)

0.4 

.4 

.4 

.3 

.3 

.2

.3 

.2

.3 

.2 

.1 

.1

.1 

.2 

.2 

.2 

.2 

.3

Nitrate 

(NO,)

0.3 

.2 

.6 

.4 

.4 

.4

.6 

.3

2.4 

.3 

.5 

.5

.4 

.4 

.4 

.3 

.3 

.4

Boron 

(B)

0.04 

.09

.05 

.02

.00 

.00

Pa

p

m

li
COLORADO RIVER MAIN STEM Continued

COLORADO RIVER AT HOT SULPHUR SPRINGS, COLO.--Co

Chemical analyses, in parts per million, water year October 1954 to Septem

Date of collection

Apr. 1-10, 1955 ..

Apr. 21-30.......

May 1-10.........

May 11-20. .......

May 21-31. .......

June 1-10 ........

June 11-20 .......

July 16-31. .......

Aug. 11-20.......

Aug. 21-31 .......

Sept. 1-10. .......

Sept. 21-30. ......

Weighted average

Mean 

discharge 

(cfs)

111 

326 

257 

366 

384 

345

299 

340 

301 

189 

189

170 

142 

118 

, J67.5 

52.3 

63.8

142

Silica 

(SiOa)

11 

9.9 

12 

9.7 

10 

11

13 

14 

14 

18 

19

19 

17 

15 

14 

15 

16

13

Iron 

(Fe)

0.10 

.12 

. 11 

.06 

.06 

.06

.09 

. 16 

. 16 

.06 

.08

.02 

.02 

.03 

.03 

.03- 

.02

0.08

Calcium 

(Ca)

16 

15 

14 

11 

10 

14

17 

18 

19 

24 

24

25 

22 

20 

20 

21 

21

17

Magnesium 

(Mg)

3.6 

3.3 

2.8 

2.0 

2.0 

2.8

3.0 

3.1 

3.2 

4.2 

4.5

4.2 

3.5 

3. 1 

3.8 

4.1 

4.2

3.2

Sodium 

(Na)

5.8 

4.8 

5.3 

3.5 

3.5 

4.6

5.6 

5.2 

5.2 

7.3

7.1

6.2 

6.2 

5.8 

5.8 

7.1 

6.5

5.6

Potassium 

(K)

2.9 

2.6 

1.6 

1.0 

1.0 

1.2

1.1 

1.1 

1.1 

1.9 

1.9

1.9 

1.9 

1.6 

1.8 

1.8 

1.8

1.5

Bicarbonate 

(HCO,)

69 

60 

57 

45 

43 

58

74 

80 

86 

102 

105

106 

90 

80 

87 

95 

88

74

Sulfate 

(SO,)

8.5 

9 3 

7.7 

4.8 

4.6 

6.2

6.7 

5.4 

4.4 

5.6 

4.5

4.7 

4.7 

4.4 

4.4 

4.8 

4.4

5.9

Chloride 

(Cl)

2.8 

1.9 

3.1 

1.2 

1.0 

1.4

2.7 

1.5 

2.4 

.8 

.9

.8 

1.1 

.8 

2.1 

2.1 

3.8

1.6

Fluoride 

(F)

0.3 

.3 

.3 

.3 

.3 

.3

.3 

.2 

.3 

.3 

.3

.3 

.3 

.3 

.2 

.2 

.2

0.3

Nitrate 

(N03 )

1.0 

1.4 

.5 

.3 

.3 

.2

.5 

.4 

.4 

.8 

.8

1.0 

1.0 

1.3 

.1 

.1 

.1

0.6

Boron 

(B)

0.03 

.01

.02 

.00

.01 

.02

--

P

m

l
COLORADO RIVER MAIN STEM 

COLORADO RIVER MAIN STEM--Continued

COLORADO RIVER AT HOT SULPHUR SPRINGS, COLO.--Continued 

Temperature (°F) of water, water year October 1954 to September 1955

25

Day

1

2

3

4

5

6

7

8

9

10

11

12

13

14

15

16

17

18

19

20

21

22

23

24

25

26

27

28

29

30

31

Average

Oct.

55

55

55

55

55

50

50

55

50

50

40

40

35

35

35

35

35

35

35

35

35

35

35

32

32

32

32

32

32

32

32

40

Nov.

32

32

32

32

32

32

32

32

32

32

32

32

32

32

32

32

32

32

32

32

32

32

32

32

32

32

32

32

32

32

--

32

Dec.

32

32

32

32

32

32

32

32

32

32

32

32

32

32

32

32

32

32

32

32

32

32

32

32

32

32

32

32

32

32

32

32

Jan.

32

32

32

32

32

32

32

32

32

32

32

32

32

32

32

32

32

32

32

32

32

32

32

32

32

32

_-

__

-.

-_

--

32

Feb.

32

32

32

32

32

32

32

32

32

32

..

_

__

__

32

32

32

32

32

32

32

32

32

32

32

32

32

32

._

.-

--

32

Mar.

32

32

32

32

32

32

32

32

32

32

32

33

34

33

32

32

32

32

34

34

32

32

32

-_

--

32

32

32

32

32

32

32

Apr.

32

32

32

32

36

38

38

38

38

40

35

38

35

40

40

40

40

40

40

40

33

38

45

45

45

45

45

45

45

45

--

39

May

45

45

45

45

45

45

45

45

46

45

45

48

42

48

42

50

50

50

50

50

50

55

55

57

55

50

50

57

50

50

50

49

June

50

50

50

50

49

55

60

60

53

56

60

58

64

64

58

60

58

60

63

64

63

67

63

62

63

65

64

66

63

64

--

59

July

65

67

64

64

68

66

65

66

68

65

61

67

70

__

--

..

__

._

__

--

__

66

64

66

64

64

65

69

70

_.

65

"

Aug.

69

67

68

70

68

65

69

68

71

69

68

69

59

67

70

64

66

71

68

72

69

70

65

..

70

70

65

68

66

68

69

68

Sept.

67

63

68

66

68

65

63

64

57

64

63

61

64

62

60

62

57

61

59

54

56

57

58

56

61

52

56

53

53

54

--

60
EAGLE RIVER BASIN

EAGLE RIVER AT GYPSUM, COLO.

LOCATION.--At bridge at Gypsum, Eagle County, about 400 feet upstream from Gypsum Creek and U. S. Hig

gaging station.

DRAINAGE AREA. 844 square miles above sampling station (957 square miles above gaging station below 

RECORDS AVAILABLE. Chemical analyses: April 1947 to September 1955.

Water temperatures: April 1949 to September 1955.

EXTREMES, 1954-55. Dissolved solids: Maximum, 829 ppm Sept. 21-30; minimum 158 ppm May 21-31, June 

Specific conductance: Maximum daily, 1,380 micromhos Jan. 30; minimum daily, 210 micromhos May 23. 

Water temperatures: Maximum, 72°F Aug. 20; minimum, freezing point on many days during December to 

EXTREMES, 1947-55.--Dissolved solids: Maximum, 1,370 ppm Aug. 11-12, 1952; minimum, 106 ppm June 11-

Hardness (1947-50): Maximum, 511 ppm Sept. 21-30, 1948; minimum, 78 ppm June 1-10, 1948.

Specific conductance: Maximum daily, 1,850 micromhos Aug. 6, 1949; minimum daily, 156 micromhos Ju

Water temperatures (1949-55): Maximum, 76°F Aug. 24, 1949; minimum, freezing point on many days du

REMARKS.--Values reported for dissolved solids are residues on evaporation. Records of specific cond

at Salt Lake City, Utah. Records of discharge for gaging station below Gypsum for water year Octo

records include the inflow of Gypsum Creek, which on the average amounts to about 5 to 7 percent o

appreciable inflow between sampling point and gaging station except during periods of heavy local 

Chemical analyses, in parts per million, water year October 1954 to Sept

Date of collection

Oct. 1-10, 1954.... 

Oct. 11-20 ........

Nov. 11-20 ........

Dec. 11-20 ........

Jan. 1-10, 1955. ...

Feb. 11-19 ........

Mar. 21-31...

Mean 

discharge 

(els)

224 

273 

247 

238 

209 

193

187 

169 

168 

159 

159 

151

152 

145 

133 

142 

163 

154

Silica 

(Si02)

9.9 

9.4

14 

12

12 

11

Iron 

(Fe)

Calcium 

(Ca)

114

128

142

138

141

130

Magnesium 

(Mg)

17

20

22

22

24

23

Sodium 

(Na)

56

80

83

87

90

74

Potassium 

(K)

--

-

--

--

-

--

Bicarbonate 

(HCO,)

165

179

188

184

182

168

Sulfate 

(S04 )

227

268

293

291

305

289

Chloride 

(Cl)

80

112

124

131

138

112

Fluoride 

(F)

Nitrate 

(N03)

1.2 

1.7

2.1 

2.0

1.8 

1.6

Boron 

(B)

0.07 

.07

.08 

.06

.06 

.07

Pa

p

m

lio
June 11-20. ........

July 11-20.. .......

Sept. 21-30...... ..

Weighted average .

430

1 1 oft

1,418

257

189

143

404 ..

99

AQ8

0

1 fiQ

4°,

173

1 nc

__

no

n9

03

_. _
COLORADO RIVER BASIN

EAGLE RIVER BASIN Continued

EAGLE RIVER AT GYPSUM, COLO. Continued

Temperature (°F) of water, water year October 1954 to Se

Day

1

2

3

4

5

6

7

8

9

10

11

12

13

14

15

16

17

18

19

20

21

22

23

24

25

26

27

28

29

30

31

Average

Oct.

57

57

50

56

62

62

61

60

60

59

57

57

54

55

56

55

55

54

52

47

52

52

51

50

51

50

51

49

50

48

49

54

Nov.

45

46

47

45

46

45

45

45

45

43

40

49

45

45

47

38

42

43

42

44

43

42

43

40

40

41

39

36

36

34

--

43

Dec.

35

34

32

34

34

33

33

32

32

32

32

33

32

33

32

32

32

32

32

32

32

32

32

33

33

34

36

32

33

33

--

33

Jan.

34

33

34

34

34

32

32

32

32

32

33

33

33

32

32

33

34

__

32

34

32

32

33

34

34

33

32

32

34

32

32

33

Feb.

32

32

32

32

32

32

32

32

32

32

32

32

32

33

34

33

32

32

32

32

32

32

32

32

32

32

32

33

__

._

--

32

Mar.

32

32

32

32

33

34

35

36

35

35

35

37

39

36

34

34

36

37

39

40

33

40

40

41

35

32

39

40

41

43

42

36

Apr.

43

45

46

39

42

46

45

47

47

49

42

44

46

__

48

50

47

49

42

47

52

50

47

52

55

52

44

44

47

50

--

47

May

46

49

43

50

49

54

55

47

49

45

48

54

55

55

57

46

51

52

49

50

53

49

52

50

51

49

49

50

56

59

53

51

ptember 1

June

57

53

52

52

53

56

50

57

52

60

60

59

57

52

60

58

53

55

58

51

57

57

59

59

56

56

59

59

58

61

--

56

955

July

58

59

60

56

60

61

62

60

57

65

61

63

65

68

70

68

70

70

__

70

68

70

70

70

65

62

62

62

65

65

66

64

Aug.

69

65

68

65

64

68

65

64

70

65

62

62

67

65

66

61

63

68

66

72

70

67

64

65

68

65

68

65

65

64

62

66

Sept.

68

55

56

67

63

67

57

68

68

66

68

65

67

61

69

59

._

__

56

60

60

68

55

58

61

55

56

60

61

60

--

62
COLORADO RIVER MAIN STEM

COLORADO RIVER NEAR GLENWOOD SPRINGS, COLO.

LOCATION.--At Shoshone power plant, 6 miles upstream from gaging station at Glenwood Springs, Garfi

Roaring Fork.

DRAINAGE AREA. 4,560 square miles (above gaging station). 

RECORDS AVAILABLE. Chemical analyses: October 1941 to September 1955.

Water temperatures: May 1949 to September 1955. 

EXTREMES, 1954-55. Dissolved solids: Maximum, 815 ppm Aug. 6; minimum, 200 ppm May 21-31.

Hardness: Maximum, 508 ppm Aug. 6; minimum 117 ppm May 11-20, 21-31.

Specific conductance: Maximum daily, 1,220 micromhos Dec. 18; minimum daily, 290 micromhos May 1

Water temperatures: Maximum, 71°F Aug. 19; minimum, freezing point on many days during December 

EXTREMES, 1941-55. Dissolved solids: Maximum, 2,030 ppm Aug. 10, 1947; minimum, 105 ppm June 1-10

Hardness: Maximum, 1,480 ppm Aug. 10, 1947; minimum, 72 ppm June 1-10, 11-20, 1942.

Specific conductance: Maximum daily, 2,260 micromhos Aug. 10, 1947; minimum daily, 153 micromhos 

Water temperatures (1949-55): Maximum, 71°F July 31, 1954, Aug. 19, 1955; minimum, freezing poin

REMARKS.--Values reported for dissolved solids are residues on evaporation. Records of specific co

office at Salt Lake City, Utah. Discharge records for gaging station at Glenwood Springs for wa

WSP 1393. No appreciable inflow between Shoshone power plant and gaging station except during p

Chemical analyses, in parts per million, water year October 1954 to S

Date of collection

Oct. 1-10, 1954 .. .

Nov. 30, Dec. 1-10 

Dec 11 20

Dec 21 31

Jan. 1-10, 1955 . . .

Mar. 21-31 .......

Mean 

discharge 

(cfs)

839 

968 

998 

951 

765 

749 

677

646 

600 

615 

613 

614

638 

620 

586 

634 

728 

755

Silica 

(Si02)

13 

16

Iron 

(Fe)

0.03 

.05

Calcium 

(Ca)

83 

72 

70 

72 

81 

79 

88

90 

86 

81 

72

74

76 

76 

76 

75 

75 

77

Magnesium 

(Mg)

16 

16 

13 

12 

13 

13 

14

15 

15 

14 

16 

13

13 

13 

14 

12 

12 

12

Sodium 

(Na)

73 

72 

66 

57 

66 

66 

130

148 

109 

106 

98 

101

107 

107 

109 

107 

94 

96

Potassium 

(K)

3.1

2.9

"

Bicarbonate 

(HCO,)

154

153

147 

143 

143

Sulfate 

(SO,)

129

124

;;

Chloride 

(Cl)

98

146

"

Fluoride 

(F)

0.3

.2

:

Nitrate 

(NO,)

0.5

.9

;;-

Boron 

(B)

0.05

.04

;;
COLORADO RIVER MAIN STEM Continued

COLORADO RIVER NEAR GLENWOOD SPRINGS, COLO.--Con

Chemical analyses, in parts per million, water year October 1954 to Septemb

Date of collection

Apr. 1-10, 1955.. .

July 1-10 .........

Aug. 1-5, 7-10....

Weighted average

Mean 

discharge 

(cfs)

1,027 

1,624 

1,878 

2,708 

3,293 

3,981

3,756 

4,033 

3,137 

1,797 

1,373 

1,684

1,469 

2,000 

1,377 

1,298 

1,076 

1,113 

1,211

1,418

Silica 

(Si02)

12 

10

"

Iron 

(Fe)

0.16 

.05

"

Calcium 

(Ca)

71 

50 

49 

40 

37 

37

41 

42 

44 

54 

62 

77

75 

117 

79 

75 

69 

63 

61

58

Magnesium 

(Mg)

11 

12 

6.9 

5.8 

5.8 

6.1

7.6 

6.8 

8.0 

17 

15 

9.9

19- 

52 

10 

10 

11 

7.0 

9.3

10

Sodium 

(Na)

66 

45 

35 

25 

23 

20

23 

22 

29 

47 

57 

54

53 

35 

54 

54 

61 

59 

51

50

Potassium 

(K)

3 2 

2.1

Bicarbonate 

(HCO,)

129 

120 

97 

101 

98 

96

103 

102 

103 

120 

136 

136

138 

130 

146 

134 

134 

124 

122

Sulfate 

(S04 )

92 

109

Chloride 

(Cl)

60 

87

Fluoride 

(F)

0.2 

.2

Nitrate 

(NO,)

1.7 

.8

Boron 

(B)

0.05 

.03

P

m
COLORADO RIVER MAIN STEM 

COLORADO RIVER MAIN STEM Continued

COLORADO RIVER NEAR GLENWOOD SPRINGS, COLO.--Continued 

Temperature (° F) of water, water year October 1954 to September 1955

31

Day

1

2

3

4

5

6

7

8

9

10

11

12

13

14

15

16

17

18

19

20

21

22

23

24

25

26

27

28

29

30

31

Average

Oct.

54

53

54

54

55

58

58

58

58

56

54

52

52

47

47

47

48

48

46

48

48

47

47

50

47

43

40

40

40

42

41

49

Nov.

41

39

40

40

40

38

39

40

38

40

38

38

41

42

42

42

41

41

42

39

38

38

38

38

38

38

38

35

33

33

--

39

Dec.

33

33

33

33

33

33

33

33

32

32

32

32

32

32

32

32

32

32

32

32

32

32

32

32

32

32

32

32

32

32

32

32

Jan.

32

32

33

33

33

32

32

32

32

32

32

_

32

32

32

32

32

32

32

32

32

32

32

32

32

32

32

33

33

33

33

32

Feb.

33

33

34

32

32

32

32

32

32

32

32

32

32

32

33

33

33

33

32

32

32

32

32

32

32

32

32

32

--

32

Mar.

34

34

34

34

35

34

34

34

34

34

36

36

36

35

35

37

38

41

36

36

34

35

36

38

39

35

37

38

40

41

38

36

Apr.

42

42

39

38

38

42

45

39

42

47

45

42

44

47

49

..

48

48

46

44

47

48

48

51

51

52

48

46

48

49

45

Hay

51

50

47

49

52

53

54

52

49

52

49

55

54

55

54

50

47

49

50

54

57

52

53

54

54

52

50

52

54

52

54

52

June

54

52

51

51

50

51

54

56

54

54

54

56

56

54

54

55

57

57

58

58

58

58

60

59

59

59

59

59

60

56

July

_

59

61

62

63

63

63

63

65

64

66

65

66

66

66

69

69

67

67

_

70

69

68

68

65

65

67

68

68

66

Aug.

68

68

68

69

66

66

66

64

65

66

64

66

66

67

65

66

67

71

68

68

67

65

65

66

66

65

66

64

63

62

66

Sept.

63

63

63

63

64

63

62

60

60

60

60

58

60

58

58

58

58

57

58

SB

56

55

56

57

56

56

54

55

55

54

59
COLORADO RIVER MAIN STEM Continued 

COLORADO RIVER NEAR CAMEO, COLO.

LOCATION. At Grand Valley project diversion dam, 3.7 miles upstream from Cameo, Mesa County, 0.4 mil

from gaging station.

DRAINAGE AREA. 8,060 square miles, approximately, above gaging station. 

RECORDS AVAILABLE. Chemical analyses: October 1933 to September 1955.

Water temperatures: April 1949 to September 1955. 

EXTREMES, 1954-55. Dissolved solids: Maximum, 956 ppm Dec. 11-20; minimum, 254 ppm June 11-20.

Specific conductance: Maximum daily, 1,770 micromhos Jan. 1; minimum daily, 390 micromhos June 10

Water temperatures: Maximum, 74°F Aug. 2, 3; minimum, freezing point on many days during December 

EXTREMES, 1933-55.--Dissolved solids (1933-43, 1950-55): Maximum, 1,050 ppm Dec. 21-31, 1939; minimu

Hardness (1933-35): Maximum, 399 ppm July 21-31, 1934; minimum, 98 ppm June 21-30, 1935.

Specific conductance (1941-55): Maximum daily, 1,850 micromhos June 8, 1944; minimum daily, 244 mi

Water temperatures (1949-55): Maximum, 75°F July 27, 1953, July 12, 29, 31, 1954; minimum, freezin

REMARKS. Values reported for dissolved solids are residues on evaporation. Records of specific cond

at.Salt Lake City, Utah. Records of discharge for water year October 1954 to September 1955 given 

Chemical analyses, in parts per million, water year October 1954 to Sep

Date of collection

Oct. 1-10, 1954 .. 

Oct. 11-20.......

Oct. 21-31 .......

Jan. 1-10, 1955 ..

Jan. 21-31.......

Feb. 21-28 ......

Apr. 11-20 ......

Aor. 21-30 ......

Mean 

discharge 

(cfs)

2,017 

2,188 

1,914 

1,830 

1,650 

1,470

1,430 

1,320 

1,250 

1,215 

1,190 

1,186

1,210 

1,225 

1,169 

1,490 

1,523 

1,203

1,544 

2,481 

3.112

Silica 

(S10,)

9.9 

11

10 

14

12 

14

14

Iron 

(Fe)

Calcium 

(Ca)

89 

94

107 

95

95 

92

82

Magnesium 

(Mg)

17 

19

23 

11

21 

18

14

Sodium 

(Na)

130 

162

193 

196

191 

174

98

Potassium 

(K)

Bicarbonate 

(HCO,)

190 

193

207 

194

193

200

189

Sulfate 

(SO,)

196 

210

228 

202

206 

205

146

Chloride 

(Cl)

144 

205

260 

249

262 

208

118

Fluoride 

(F)

Nitrate 

(NO,)

3.2

5.1

6.3 

5.2

5.2

7.1

4.1

Boron 

(B)

0.05 

.09

.11 

.12

.11 

.08

.08

Pa

p

m

li
May 1-10, 1955...

Sept. 21-30t ......

Weighted average

4,957

1,730

2,730

12

9 4

58

84

-.

9.2 49 155

--

74

44

65

44

140

3.0

2

0

2

n

5.0

.05

-.
34 COLORADO RIVER BASIN 

COLORADO RIVER MAIN STEM Continued 

COLORADO RIVER NEAR CAMEO, COLO. Continued 

Temperature (°F) of water, water year, October 1954 to September 1955

Day

1

2

3

4

5

6

7

8

9

10

11

12

13

14

15

16

17

18

19

20

21

22

23

24

25

26

27

28

29

30

31

Average

Oct.

58

69

69

59

68

63

64

63

60

58

56

56

52

49

50

49

49

50

51

53

53

53

--

48

44

44

45

47

45

54

Nov.

44

43

44

48

46

45

44

44

42

41

41

43

43

42

43

44

44

43

41

41

_

40

40

40

40

40

38

36

33

--

42

Dec.

33

34

34

34

34

35

34

33

33

33

34

34

34

34

33

33

33

33

33

33

33

..

33

33

33

33

33

34

32

32

32

33

Jan.

32

33

33

33

33

33

33

34

34

33

33

33

33

33

33

33

34

32

33

"

..

32

32

33

33

34

34

34

34

34

34

33

Feb.

34

34

_

34

33

33

34

33

34

34

34

33

33

34

33

34

33

33

33

32

32

32

32

32

32

33

32

34

_

_

33

Mar.

34

34

34

35

..

_

_

35

35

36

36

35

40

41

_

38

38

42

35

35

36

39

40

40

38

38

40

43

45

42

38

Apr.

43

45

42

40

40

41

44

44

46

47

44

44

45

46

_

-.

_

48

46

49

49

50

50

52

52

52

_

_

_

May

51

51

51

50

54

55

55

55

51

52

53

56

56

55

54

52

49

49

51

54

57

56

55

54

54

53

54

50

53

55

56

52

June

55

54

53

54

54

56

59

60

59

55

57

58

59

57

56

58

58

58

61

62

61

60

60

60

59

59

61

62

62

62

--

58

July

62

64

63

64

63

66

65

65

66

65

67

_

68

70

70

70

70

73

71

--

71

_

70

72

71

72

71

70

70

71

68

Aug.

73

74

74

72

72

71

73

_

73

71

72

71

70

70

70

72

72

71

71

71

70

72

72

70

69

69

70

70

70

68

68

71

Sept.

67

66

66

66

67

67

66

66

65

64

63

63

64

64

63

63

62

63

60

60

60

60

58

58

58

68

57

57

67

63
GUNNISON RIVER BASIN 

GUNNISON RIVER NEAR GRAND JUNCTION, COLO.

£ LOCATION.--At road bridge about half a mile downstream from gaging station, 1 mile downstream from 

~ lj miles upstream from mouth and Grand Junction, Mesa County.

^ DRAINAGE AREA. 8,020 square miles, approximately.

C RECORDS AVAILABLE.--Chemical analyses: October 1931 to September 1955.

^ Water temperatures: April 1949 to September 1955.

 *> EXTREMES, 1954-55. Dissolved solids: Maximum, 1,960 ppm Sept. 11-20; minimum, 324 ppm May 11-18.

^ Hardness: Maximum, 970 ppm Sept. 11-20; minimum, 191 ppm May 11-18.

Specific conductance: Maximum daily, 2,520 micromhos Sept. 29; minimum daily, 416 micromhos May 

Water temperatures: Maximum, 81°F Aug. 2; minimum, freezing point Dec. 27, Jan. 17, Feb. 24. 

EXTREMES, 1931-55.--Dissolved solids: Maximum, 2,820 ppm Sept. 11-20, 1934; minimum, 203 ppm May 1

Hardness (1931-35, 1943-55): Maximum, 1,370 ppm Sept. 1-10, 11-20, 1934; minimum, 143 ppm June 1

Specific conductance (1941-55): Maximum daily, 2,680 micromhos Nov. 5, 1950; minimum daily, 280 

Water temperatures (1949-55): Maximum, 85°F July 31, 1954; minimum, freezing point on several da

REMARKS. Values reported for dissolved solids are residues on evaporation. Records of specific co

office at Salt Lake City, Utah. Records of discharge for water year October 1954 to September 1

Chemical analyses, in parts per million, water year October 1954 to Se

Date of collection

Oct. 1-10, 1954...

Jan. 1-10, 1955 . . .

Mar. 21-31 .......

Mean 

discharge 

(cfs)

1,017 

1,213 

925 

825 

851 

884

908 

808 

695 

815 

693 

748

737 

763 

662 

1,101 

1,001 

773

Silica 

(Si02)

18 

20

Iron 

(Fe)

0.04 

.04

Calcium 

(Ca)

197 

170 

189 

195 

198 

156

174 

172 

164 

150 

141 

149

146 

151 

151 

145 

136 

126

Magnesium 

(Mg)

65 

63 

60 

67 

66 

53

62 

60 

62 

57 

61 

55

57 

54 

59 

46 

45 

47

Sodium 

(Na)

158 

126 

138 

154 

158 

129

151 

142 

141 

128 

128 

126

129 

129 

135 

130 

114 

79

Potassium 

(K)

6.6

4.7

..

Bicarbonate 

(HCO,)

229

225

199

Sulfate 

(S0«)

711

656

._

Chloride 

(Cl)

20

18

__

Fluoride 

(F)

0.6

.4

..

Nitrate 

(NO,)

5.3

12

_

Boron 

(B)

0.22

.20

_.
GUNNISON RIVER BASIN--Continued

GUNNISON RIVER NEAR GRAND JUNCTION, COLO. Continue

Chemical analyses, in parts per million, water year October 1954 to September 

Date of collection

Apr. 1-10, 1955.. .

May 31, June 1-10.

June 21-30, July 1. .

July 29-31, Aug. 1-10

Sept. 21-30 ....... 

Weighted average

Mean 

discharge 

(cfs)

1,064 

1,917 

1,960 

3,188 

4,394 

5,258 

3,629 

3,220

4,563 

3,040 

894 

447 

713 

1,100

756 

724 

516 

515 

756 

1,426

Silica 

(Si02)

16 

15

Iron 

(Fe)

0.18 

.01

Calcium 

(Ca)

100 

76 

78 

65 

65 

57 

74 

90

70 

85 

143 

175 

226 

174

203 

216 

205 

249 

246

116

Magnesium 

(Mg)

35 

26 

22 

12 

11 

12 

18 

11

14 

19 

40 

65 

69 

43

57 

59

77 

84 

77

34

Sodium 

(Na)

74 

52 

41 

27 

25 

24 

41 

45

34 

48 

109 

146 

183 

106

147 

137 

155 

180 

129

79

Potassium 

(K)

3.7 

6.7

Bicarbonate 

(HCO,)

182 

164 

155 

155 

175 

126 

131 

139

130 

142 

167 

182 

202 

202

220 

210 

182 

202 

224

Sulfate 

(S04 )

255

817

Chloride 

(Cl)

12

30

Fluoride 

(F)

0.4

Nitrate 

(NO,)

2 . 8

5.4

Boron 

(B)

0.24

Pa

pe

mi

lio

1,0

1,4

1,7

1,

1,4

1,5

1,6

1,9

1,7
GUNNISON RIVER BASIN 

GUNNISON RIVER BASIN Continued

GUNNISON RIVER NEAR GRAND JUNCTION, COLO.--Continued 

Temperature (°F) of water, water year October 1954 to September 1955

37

Day

1

2

3

4

5

6

7

8

9

10

11

12

13

14

15

16

17

18

19

20

21

22

23

24

25

26

27

28

29

30

31

Average

Oct.

63

62

56

61

65

65

67

67

65

53

59

57

51

54

50

52

55

55

55

54

53

56

56

54

50

49

45

46

49

48

--

56

Nov.

47

47

49

47

49

49

42

47

48

43

47

47

48

50

43

47

46

46

47

44

45

43

44

44

44

43

43

38

_

_

--

46

Dec.

33

33

33

33

38

38

38

35

34

38

38

35

37

37

34

33

33

33

33

33

34

33

34

34

33

33

32

._

33

33

34

34

Jan.

34

_

36

37

35

34

35

34

34

33

34

33

34

34

..

32

33

._

33

33

33

33

33

33

34

34

34

34

35

34

34

Feb.

34

33

34

35

34

33

33

33

33

33

__

34

35

34

33

33

33

33

33

33

34

32

35

35

34

35

_

_

--

34

Mar.

35

36

36

35

36

36

35

39

39

--

44

45

44

43

44

43

45

45

43

40

38

38

44

45

44

45

_

45

50

48

50

42

Apr.

49

50

47

42

44

46

47

49

47

47

43

44

49

51

51

57

54

54

54

55

48

49

52

54

57

57

52

54

54

55

50

May

55

..

51

54

54

56

59

49

51

55

57

58

54

57

49

50

52

57

58

59

60

58

57

58

57

60

59

60

61

62

59

56

June

58

59

59

60

60

61

--

59

61

63

60

62

60

63

61

64

62

68

68

_

69

69

65

66

67

67

67

69

--

63

July

..

70

..

._

--

70

71

70

71

74

68

69

66

68

70

71

78

78

78

76

76

78

79

78

70

80

78

76

76

76

--

74

Aug.

78

81

75

75

75

74

79

79

79

79

79

76

76

80

76

74

78

79

80

76

80

76

75

74

73

78

75

76

75

76

77

Sept.

_

76

76

75

72

--

70

72

71

67

69

67

67

68

66

66

68

67

68

67

66

66

62

63

60

69

61

61

68
DOLORES RIVER BASIN

DOLORES RIVER NEAR CISCO, UTAH

Dvr station ' 9 miles upstream from mouth and 14 miles southeast of Cisco, Grand County 

RECORDS AVAILABLE. Chemical analyses: March 1951 to September 1955

Water temperatures: March 1951 to September 1955.

Sediment records: March 1951 to September 1955..

EXTREMES, 1954-55. --Dissolved solids: Maximum, 4,720 ppm Sept. 21-30; minimum, 285 ppm May 11-20 

Hardness: Maximum, 1,690 ppm Aug. 1; minimum, 168 ppm Apr. 18, 22, 25-30.

eb

) : Maximura ' 4 ' 720 PPm SePt 21 -3 °- 195 5; minimum, 

; minimum, 168 ppm Apr. 18, 22, 25-30, 1955.

Chemical analyses, in parts per million, water year October 1954 to Septe

Date of collection

Oct. 1-6, 8-9, 1954 

Oct. 7*..... ......

Oct. 10a. ........ .

Oct. 11-19........

Nov. 3,5,8,10, 12,15 

Nov. 17, 19, 22, 24, 

29. .............

Dec. 1, 6, 8, 10, 15

Dec. 17, 20, 22,27, 

29 ..............

Jan. 3, 5, 7, 12, 

14, 1955........

Jan. 17, 19, 21, 28, 

31..............

Mean 

discharge 

(cfs)

438 

258 

1,140 

335 

185 

159

138

136 

133

83.0 

104 

87.0

Silica 

(Si02 )

10

14 

9.7 

7.8

9.0

6.4 

6.8

12 

12 

9. 1

Iron 

(Fe)

0.28

Calcium 

(Ca)

146

184 

118 

126

130

132 

155

150 

134 

134

Magnesium 

(Mg)

42

39

45 

55

59

67 

80

74 

57 

54

Sodium 

(Na)

208

121 

306 

556

644

735 

1,390

1,020 

763 

772

Potassium 

(K)

13

9.9 

16 

34

37

44 

77

48 

39 

35

Bicarbonate 

(HCOa )

143 

149 

191 

158 

125 

120

116

140 

103

153 

153 

144

Sulfate 

(SO,)

489 

567 

329 

534 

417 

469

490

537 

596

565 

446 

43Q

Chloride 

(Cl)

242 

650 

65 

132 

420 

835

960

1,120 

2,220

1,540 

1,180

1 1Hf)

Fluoride 

(F)

0.5

Nitrate 

(NO,)

17

11 

30 

29

37

28 

45

36 

28 

34

Boron 

(B)

0.07 

.08 

.10 

. 10

.17 

.12

10

Di

Parts 

per 

million

1,240

1,120 

1,420 

2,170

2,420

2,740 

4,620

3,520 

2,730

5 73fl

a Not included for computation of weighted averages.
Feb. 2, 4, 7, 9, 11, 

14, 16, 1955 .... 

Feb. 18, 21, 23, 25,

Mar. 2a ..........

Mar. 4, 9, 11, 14 . 

Mar, 16, 18, 21, 23.

Apr. 6-10, 13, 15 . 

Apr. 18, 22, 25-30 . 

May 2, 6-10.......

May 11-20 ........

May 21-31. ........

July 1-2, 4, 6-7, 9 . 

July 10-20 ........

July 21-28 ........

Aug. 2-10.........

Aug. 12-13, 16-18,

Aug. 14, 19 .......

Aug. 27-30. .......

Aue. 31 ..........

104

680

894 

364

355 

2,050 

2,530

2,031

1,373

695

302 

170

147

230

152

345

430

236

156

6.5

5.2

7.0 

10

9.7 

13 

7.3

7.6

8.4

9.3

14

13

123

87 

118

94 

46 

54

52

52

77 

102

126

190

523

237

364

121

150

49

26 

38

31 

13 

11

11

13

22

44

OC

57

727

156 

262

218 

42 

35

32

45

168 

286

349

185

127

717

34

12 

15

12 

4.2 

3.7

3.3

4.8

3.3

9.3 

17

20

14

20

11

31

146

158

158 

162

156 

123 

147

137

126

95 

91

106

135

120

411 

308

290

225 

359

279 

74

69

92

194 

309

450

729

669

363

444

1,080

635

218 

362

305 

63 

43

39

58

140

255 

440

500

245

218

410

282

160

1,130

63 

11

15

9.5 

16

16 

3.5 

3.5

3.1

4.1

4.4

12 

20

28

18

47

23

21

29

.15

.10 

.08

.06 

.06

.05

.05

.07 

.10

__

.09

..__

2,57

1,63

8

1,26

1,93

1,04

3

3

2

3

3

3

5

79

1,26

1,58

2,69

2,97

1,54

1,30

2,37

69

1,59

9

2,63

a Not included for computation of weighted averages.
DOLORES RIVER BASIN Continued

DOLORES RIVER NEAR CISCO, UTAH Continued 

Chemical analyses, in parts per million, water year October 1954 to Septembe

Date of collection

Sept. 1-3, 1955 ...

Sept. 11-18, 20 ...

Sept. 21-30.......

Weighted average

Mean 

discharge 

(cfs)

115 

66.7 

47.0 

43.0 

42.3

b567

Silica 

(Si02)

12 

11 

7.9 

8.2 

6.5

9.4

Iron 

(Fe)

Calcium 

(Ca)

136 

183 

223 

171 

254

78

Magnesium 

(Mg)

49 

76 

101 

36 

141

21

Sodium 

(Na)

281 

614 

917 

336 

1,160

119

Potassium 

<K)

17 

34 

49 

21 

68

8.1

Bicarbonate 

(HCO,)

134 

95 

89 

131 

62

131

Sulfate 

(SO,)

480 

713 

928 

449 

1,210

190

Chloride 

(Cl)

375 

895 

1,400 

540 

1,820

166

Fluoride 

(F)

Nitrate 

(NO,)

34 

50 

49 

16 

25

8.8

Boron 

(B)

0.20

--

Par

pe

mil

lion

1,45

2,62

3,72

1,64

4,72

66

b Represents 76 percent of runoff for water year October 1954 to September 1955.
DELORES RIVER BASIN 

DOLORES RIVER BASIN Continued 

DOLORES RIVER NEAR CISCO, UTAH Continued 

Temperature (°F) of water, water year October 1954 to September :

41

Day

1

2

3

4

5

6

7

8

9

10

11

12

13

14

15

16

17

18

19

20

21

22

23

24

25

26

27

28

29

30

31

Average

Oct.

60

60

62

64

64

63

63

68

62

64

63

61

58

51

51

50

52

_-

52

53

54

58

58

55

49

49

49

47

_-

48

48

56

Nov.

__

_.

46

--

49

__

46

43

..

45

..

__

45

__

45

-.

43

--

._

43

-_

43

--

_

..

36

--

Dec.

35

__

34

--

"

38

36

35

_

_

38

_.

36

_.

32

32

_

32

--

_.

32

_

32

Jan.

..

..

32

--

33

__

32

-_

-_

--

..

32

_.

32

--

..

32

_.

32

--

32

_.

__

--

..

_-

32

..

_.

32

Feb.

_

32

--

32

--

__

32

-_

32

--

32

_.

._

32

--

32

__

33

__

--

32

32

--

32

__

33

_.

__

--

Mar.

..

33

_.

34

..

._

._

40

--

39

._

__

47

--

43

__

45

_.

--

39

._

43

__

46

..

_

46

_

__

--

Apr.

..

...

__

__

--

49

47

47

58

60

._

47

._

50

..

__

50

_

--

..

__

._

__

54

55

50

51

52

51

.-

May

_.

50

._

-

57

56

56

53

55

55

57

59

59

57

54

55

53

57

58

64

61

60

63

60

56

59

_

65

65

68

58

June

65

59

62

58

69

69

71

73

67

67

65

69

65

63

66

67

66

68

70

73

71

73

73

68

67

..

69

73

69

71

68

July

70

70

__

72

-

72

72

_

72

78

70

73

76

78

79

80

_

79

79

79

80

78

79

80

80

..

78

77

75

80

76

Aug.

78

81

78

75

76

76

_

76

__

76

..

76

76

77

76

74

75

76

76

76

..

74

73

74

74

77*

72

79

75

72

73

76

Sept.

70

74

73

72

75

73

67

68

72

..

66

72

72

70

69

_

65

63

62

..

60

62

61

65

63

61

57

58

59

..

66
42 COLORADO RIVER BASIN 

DOLORES RIVER HAS IN Continued 

DOLORES RIVER NEAR CISCO, UTAH Continued 

Suspended sediment, water year October 1954 to September 1955

Day

1. .....

2. .....

3. .....

4. .....

5. .....

6. .....

8. .....

9. .....

10. .....

11......

15. .....

16. .....

17. .....

20. .....

21......

24. ..... 

25. .....

26......

28. .....

29. .....

31......

Total.

L..... 

2...... 

3...... 

4...... 

5......

6. .....

&.....

10. .....

13. ..... 

14. ..... 

15. .....

16. .....

20. .....

22. ..... 

23. ..... 

24. ..... 

25......

26. ..... 

27. ..... 

28. ..... 

29. ..... 

30. ..... 

31......

Total.

October

Mean 

discharge 

(cfs)

160 

150 

145 

137 

281

187 

258 

883 

1,560 

1,140

645 

453 

377 

348 

305

254 

232 

202 

195 

217

187 

167 

187 

202 

195

195 

187 

187 

173 

161 

161

10,131

Suspended sediment

Mean 

concentration 

(ppm)

2,650 

1,250 

500 

965 

5,750

3,400 

5,300 

18,700 

28, 600 

26,700

21,000 

13, 900 

17,500 

16, 400 

8,350

2,650 

1,400 

850 

365 

305

210 

200 

190 

220 

195

165 

155 

150 

110 

70 

65

"

Tons 

per 

day

1,140 

506 

196 

s620 

s4,670

1,720 

s4,050 

s 55, 100 

120,000 

82, 200

36, 600 

17,000 

17,800 

15,400 

6,880

1,820 

877 

a 460 

192 

179

106 

90 

96 

120 

103

87 

78 

76 

a 51 

30 

28

368,275

January

75 

75 

110 

110 

110

110 

110 

100 

100 

100

100 

100 

90 

90 

90

90 

90 

90 

90 

90

85 

85 

85 

85 

85

85 

85 

85 

85 

85 

85

2,855

249 

356

194

110 

196

313 

259

236 

89

445 

288

296

--

eSO 

e60 

74 

e90 

106

e80 

58 

eSO 

e40 

e30

e30 

30 

e40 

48 

eSO

e60 

76 

e70 

63 

e60

54 

e40 

e30 

20 

e60

102 

e80 

66 

e65 

e65 

68

1,815

November

Mean 

discharge 

(cfs)

150 

150 

161 

155 

145

141 

137 

133 

133 

133

133 

145 

217 

254 

239

202

167 

150 

145 

137

133 

133 

129 

125 

125

125 

121 

121 

121 

129

4,489

Suspended sediment

Mean 

concentration 

(ppm)

60 

380 

3,480 

900 

70

35 

50 

50 

30 

20

25 

218 

1,200 

1,600 

1,060

920 

727

275

88 

48

82

--

Tons 

per 

day

a 24 

alSO 

1,510 

380 

27

a 13 

a 18 

18 

all 

7

a9 

s!29 

a 850 

a 1,100 

684

a 500 

328 

blSO 

108 

b50

b35 

32 

b20 

16 

b!5

b!5 

blO 

blO 

27 

bl5

6,261

February

100 

100 

100 

100 

100

100 

100 

100 

100 

100

100 

100 

100 

100 

110

130 

140 

150 

130 

120

120 

120 

120 

120 

160

224 

271 

305

3,620

112 

101

255 

693

396 

345

900 

10,000 

15,400 

5,800

186 

149 

101

161

"

eSO 

30 

e30 

27 

e30

eSO 

69 

elOO 

187 

e!40

107 

elOO 

e95 

93 

blSO

316 

a 3, 800 

6,240 

a 2, 000 

e70

60 

eSO 

48 

e45 

44

b80 

bllO 

133

14,254

December

Mean 

discharge 

(cfs)

125 

137 

133 

145 

161

167 

167 

161 

137 

133

117 

133 

133 

111 

95

85 

85 

85 

85 

85

85 

85 

85 

85 

85

85 

85 

75 

75 

75 

75

3,375

Suspended sediment

Mean 

concentration 

(ppm)

26 

41

113 

83

78

77 

33

292 

565 

300

143 

155

--

Tons 

per 

day

9 

bl5 

15 

b25 

b45

51 

bSO 

36 

b30 

28

b30 

b30 

28 

blS 

8

e35 

67 

e90 

ellO 

130

elOO 

69 

e60 

e60 

eSO

e45 

33 

e30 

31 

b40 

b40

1,405

March

474 

680 

906 

1,100 

1,000

800 

600 

540 

500 

567

1,420 

844 

642 

555 

567

497 

474 

424 

367 

318

287 

261 

248 

235 

228

228 

228 

217 

241 

228 

274

15,950

4,600 

9,370 

11,000 

13, 500 

12, 000

8,500 

4,800 

3,600 

3,800 

3,600

11, 800 

7,200 

5,700 

4,700 

4,400

5,500 

5,000 

3,200 

2,400 

2,000

1,550 

1,000 

660 

430 

340

250 

210 

230 

250 

260 

380

sa6,300 

s 20, 100 

sa26,000 

40, 100 

a 32, 000

a 18, 000 

a7,800 

a 5, 200 

5,130 

a 5, 500

s 46, 700 

a 16, 000 

a 9, 900 

7,040 

a6,700

7,380 

a6,400 

3,660 

a2,380 

a 1,700

1,200 

a 700 

442 

a270 

209

a!50 

a 130 

135 

a 160 

a 160 

a 280

277,826

e Estimated.

s Computed by subdividing day.

a Computed from estimated concentration graph.

b Computed from water-sediment discharge curve.
DELORES RIVER BASIN 43

DOLORES RIVER BASIN--Continued 

DOLORES RIVER NEAR CISCO, UTAH Continued 

Suspended sediment, water year October 1954 to September 1955--Continued

Day

1......

4. .....

5. .....

7. .....

8. .....

9. .....

1 Q

24. .....

25. .....

27. .....

28. .....

31......

Total .

1.... .. 

2...... 

3...... 

4...... 

5......

&.....

10......

1 Q

14...... 

15......

18. .....

20. .....

24. ..... 

25......

26. ..... 

27. ..... 

28. ..... 

29. ..... 

30. ..... 

31...... 

Total.

April

Mean 

discharge 

(cfs)

310 

351 

343 

343 

326

287 

254 

268 

281 

281

343 

902 

667 

464 

444

1,080 

1,660 

1,660 

1,720 

1,560

1,290 

1,700 

1,620 

1,640 

1,860

2,260 

2,420 

2,180 

2,160 

2,160

32,834

Suspended sediment

Mean 

concentration 

(ppm)

680 

1,100 

1,200 

1,200 

1,200

1,180 

925 

530 

390 

970

1,600 

9,900 

8,600 

4,200 

2,670

10,000 

11,000 

10,700 

9,500 

8,000

4,600 

4,450 

4,000 

4,300 

5,480

7,970 

7,380 

4,820 

4,800 

4,200

-

Tons 

per 

day

a 570 

a 1,000 

al.100 

al.100 

1,060

914 

634 

384 

296 

736

sal, 700 

a 24, 000 

15,500 

a5,260 

S3, 300

sa31,000 

sa51,000 

48,000 

a 44, 000 

a 34, 000

a 16, 000 

s 21, 200 

a 17, 000 

a 19, 000 

27,500

s 50, 200 

48, 200 

28,400 

28,000 

24, 500

545,554

July

385 

343 

343 

326 

294

274 

261 

241 

223 

206

185 

190 

206 

196 

170

161 

161 

143 

130 

126

143 

170 

143 

134 

139

148 

143 

126 

174 

287 

174

6,345

107 

57

40

24 

27

14 

19

11 

25 

9 

16 

12

16

32 

45 

30

36 

57 

52 

55 

70

700 

700 

880 

1,000 

15,000 

21,200

Total discharge for year (cfsTotal load for year (tons)

111 

53 

b40 

35 

b24

18 

19 

bl2 

8 

11

5 

13 

5 

8 

6

7 

b7 

12 

16 

10

14 

26 

20 

20 

a 26

280 

a 270 

299 

470 

11,600 

9,960

23,405

May

Mean 

discharge 

(cfs)

2,320 

2,280 

1,990 

1,850 

1,640

1,750 

2,040 

2,540 

3,220 

3,350

2,710 

2,440 

2,220 

2,100 

2,080

2,110 

2,130 

1,800 

1,530 

1,190

1,070 

1,140 

1,510 

1,820 

1,640

1,620 

1,620 

1,380 

1,180 

990 

1,130

58,390

Suspended sediment

Mean 

concentration 

(ppm)

4,000 

3,960 

3,100 

2,700 

2,300

2,180 

3,000 

4,000 

6,760 

7,460

5,400 

3,500 

2,800 

2,680 

2,300

2,400 

2,470 

2,000 

1,280 

810

700 

800 

2,600 

5,750 

2,350

2,200 

1,930 

1,300 

830 

590 

835

-

Tons 

per 

day

a 2 5, 000 

24,400 

a 17, 000 

alS.OOO 

a 10, 000

10,300 

16,500 

27,400 

58,800 

67,500

39,500 

23,100 

16,800 

15,200 

12,900

13,700 

14,200 

9,720 

5,290 

2,600

2,020 

2,460 

10,600 

28,300 

10,400

9,620 

8,440 

a 4, 800 

2,640 

1,580 

2,550

506,320

August

152 

170 

223 

334 

654

454 

343 

375 

294 

261

228 

212 

261 

395 

254

235 

268 

395 

464 

274

212 

179 

156 

130 

174

343 

287 

261 

201 

196 

156

8,541

49,000 

27,600 

11,900 

17,000 

41, 500

80, 500 

53,000 

26,300 

9,600 

3,700

1,700 

1,300 

9,530 

23,100 

13,100

5,000 

5,400 

15,200 

27,500 

40, 100

23,000 

10,300 

5,700 

2,900 

2,010

9,570 

10,700 

3,650 

4,200 

9,400 

2,000

--

20,100 

12,700 

7,160 

3al6,000 

869,700

102,000 

aSl.OOO 

26,600 

7,620 

2,610

1,050 

744 

s9,800 

24,600 

8,980

3,170 

3,910 

s!7,700 

34, 500 

30, 800

a 13, 000 

4,980 

2,400 

1,020 

si, 370

s 8,510 

8,290 

2,570 

2,280 

4,970 

842

500,976

June

Mean 

discharge 

(cfs)

1,450 

1,460 

1,070 

887 

816

761 

719 

1,020 

1,960 

2,220

2,110 

1,900 

1,660 

1,740 

1,420

1,210 

1,070 

946 

976 

887

902 

844 

917 

873 

788

667 

544 

509 

474 

434

33,234

Suspended sediment

Mean 

concentration 

(ppm)

1,800 

1,880 

900 

500 

385

325 

275 

1,110 

3,890 

4,840

4,360 

3,340 

2,150 

1,530 

1,170

790 

470 

360 

385 

300

390 

350 

425 

435 

330

280 

127 

104 

99 

98

--

Tons 

per 

day

7,050 

7,410 

2,600 

1,200 

848

668 

534 

S3, 720 

s 21, 400 

s 29, 400

s 24, 900 

sl7,200 

9,640 

7,190 

4,490

2,580 

1,360 

920 

1,010 

718

950 

798 

1,050 

1,030 

702

a 500 

187 

143 

127 

115

150,440

September

130 

112 

102 

92 

81

76 

68 

61 

59 

55

50 

52 

48 

43 

41

39 

36 

68 

43 

46

43 

46 

44 

48 

44

43 

41 

40 

37 

37

1,725

985 

380 

175 

120 

64

72 

45 

68 

39 

25

9 

42

28

19 

20 

512 

640 

160

120 

63 

45 

42 

10

12 

7 

12 

15

17

--

346 

115 

48 

a 30 

14

15 

8 

11 

6 

4

b3 

1 

5 

b4 

3

2 

a2 

s64 

74 

20

a!4 

8 

5 

5 

1

1 

1

1

1 

2

814

181,489 

2,397,345

s Computed by subdividing day.

a Computed from estimated concentration graph.

b Computed from water-sediment discharge curve.
DOLORES RIVER BASIN Continued 

DOLORES RIVER NEAR CISCO, UTAH Continued

Particle-size analyses of suspended sediment for water year October 1954 

(Methods of analysis: B, bottom withdrawal tube; D, decantation; P, pipette; S

W, in distilled water; C, chemically dispersed; M, mechanically 

Date 

of 

collection

Oct. 1, 1954......

Oct. 8 ...........

Oct. 13. ..........

Apr. 26, 1955.....

May 21 ...........

July 19 ...........

July 20 ...........

July 26 ...........

July 29 ...........

July 30 ...........

Aug. 1 ...........

Aug. 14 ..........

Aug. 15 ..........

Aug. 16 ..........

Aug. 28 .......

Time

10:40 a.m. 

6:00 p.m. 

10:05 a.m. 

10:45 a.m. 

10:00 a. m. 

10:30 a.m.

5:00 p.m. 

11:30 a.m. 

12:45 p.m. 

12:30 p.m. 

12:35 p.m. 

1:00 p.m.

1:15 p. m. 

12:25 p.m. 

11:30 a.m. 

7:00 p.m. 

11:45 a.m. 

11:00 a. m.

12:20 p. m. 

12:40 p.m. 

2:30 p.m. 

11:40 a.m. 

11:10 a.m. 

12:00 m. 

10:45 a.m. 

5:50 p. m.

Discharge 

(cfs)

75 

2,150 

377 

1,940 

2,990 

1,110

1,320 

1,800 

858 

143 

134 

134

143 

190 

287 

156 

148 

873

464 

384 

405 

228 

241 

241 

287 

235

Water 

temperature 

<"F)

60 

65 

58 

55 

53 

64

65 

67 

73 

79 

79 

79

80 

77 

75 

80 

78 

76

76 

76 

77 

76 

74 

77 

72 

79

Suspended sedi

Concentration 

of sample 

(ppm)

2,540 

32, 800 

17,200 

6,270 

6,490 

772

953 

3,340 

259 

262 

34 

24

671 

400 

12,300 

15,700 

59,700 

16,800

88, 200 

26, 000 

18, 200 

13,000 

3,700 

9,270 

10,400 

3,030

Concentration 

of suspension 

analyzed 

(ppm)

2,900 

3,760 

4,850 

4,400 

4,830 

3,700

3,820 

3,480 

5,620 

4,220 

813

3,490 

4,390 

2,910 

4,370 

4,740 

4,060

3,420 

3,620 

5,220 

3,770 

4,250 

4,940 

3,200 

3,340

Percent finer 

0.002 0.004

87 

34 

82 

19 

27 

22

14 

21 

21 

84 

71

81 

74 

81 

87 

85 

55

65 

74 

59 

73 

76 

64 

70 

58

0.008 0.016

97 

55 

97 

33 

44 

37

23 

36 

35 

97 

80

96 

94 

97 

98 

100 

89

96 

98 

92 

97 

94 

93 

94 

94

0
COLORADO RIVER MAIN STEM

COLORADO RIVER NEAR CISCO, UTAH

LOCATION. At gaging station, 1 mile downstream from Dolores River, 11 miles south of Cisco, Grand Count

235 miles upstream from San Juan River. 

DRAINAGE AREA. 24,100 square miles, approximately. 

RECORDS AVAILABLE.--Chemical analyses: August 1928 to September 1955.

Water temperatures: May 1949 to September 1955.

Sediment records: May 1930 to September 1955. 

EXTREMES, 1954-55. Dissolved solids: Maximum, 1,850 ppm July 27; minimum, 340 ppm May 11-20.

Hardness: Maximum, 994 ppm July 27; minimum, 210 ppm May 11-20, June 11-20.

Specific conductance: Maximum daily, 2,500 micromhos Dec. 27; minimum daily, 480 micromhos May 18.

Water temperatures: Maximum, 80°F July 31; minimum, freezing point on many days during December to Fe

Sediment concentrations: Maximum daily, 18,200 ppm Mar. 11; minimum daily, 30 ppm Sept. 11.

Sediment loads: Maximum daily, 414,000 tons May 9; minimum daily, 111 tons Sept. 11. 

'EXTREMES (1928-52, 1953-55) . Dissolved solids: Maximum, 2,670 ppm Aug. 11-20, 1940; minimum, 202 ppm J

Hardness (1928-35, 1943-52, 1953-55): Maximum, 1,090 ppm Sept. 1-10, 1934; minimum, 131 ppm June 11-2

Specific conductance (1941-52, 1953-55): Maximum daily, 4,100 micromhos Sept. 30, 1946; minimum daily

Water temperatures (1949-52, 1953-55): Maximum, 81°F Aug. 5, 1949; minimum, freezing point on many da

Sediment concentrations (1930-55): Maximum daily, 66,300 ppm Oct. 27, 1952; minimum daily, 14 ppm Nov

Sediment loads (1930-55): Maximum daily, 2,790,000 tons Oct. 14, 1941; minimum daily, 84 tons Apr. 16

REMARKS. Values reported for dissolved solids are sums of determined constituents. Records of specific 

district office at Salt Lake City, Utah. Records of discharge for water year October 1954 to Septemb

Dec. 30 to Jan. 6, Jan. 18 to Mar. 16.

Chemical analyses, in parts per million, water year October 1954 to Septem

Date of collection

Oct. 1-10, 1954 ...

Nov. 1, 3, 5, 8, 10, 

12 15

Nov. 17,19,22,24, 

29

Dec. 1,3,6,8,10,

Dec. 17,20,22,27,

9Q 3 1

Jan. 5,7,14,17,

Jan. 21,24,26,28,31

Mean 

discharge 

(cfs)

3,603 

3,927 

3,023

2,776 

2,576

2,484 

2,038

2,384 

2,094

Silica 

(Si02)

15 

15 

12

11 

15

15

14

19 

15

Iron 

(Fe)

Calcium 

(Ca)

158 

148 

134

134 

130

130 

142

123 

120

Magnesium 

(Mg)

57 

49 

54

54 

56

58 

60

54 

55

Sodium 

(Na)

163 

145 

163

205 

206

232 

258

256 

274

Potassium 

(K)

6.3 

6.0 

5.8

8.0 

7.0

8.6 

9.3

8.4 

9.2

Bicarbonate 

(HCOS )

221 

215 

208

207 

172

192 

224

184 

181

Sulfate 

(SO,)

598 

543 

522

532 

555

560

577

501 

505

Chloride 

(Cl)

130 

105 

139

204 

204

238

277

283 

317

Fluoride 

(F)

Nitrate 

(NOS )

8.1 

6.1 

9.8

12 

11

10 

10

10 

6.7

Boron 

(B)

0.12

.12

.22 

.22

Di

Parts 

per 

million

1,240 

1,120 

1,140

1,260 

1,270

1,350 

1,460

1,350 

1,390
COLORADO RIVER MAIN STEM--Continued 

COLORADO RIVER NEAR CISCO, UTAH--Continued

Date of collection

Feb. 2, 4, 7, 9, 11, 

14, 1955 ........

Feb. 16,18,21, 23,25

Mar. 9, 11, 14 ..... 

Mar. 16, 18,21,23, 

28, 31 ...........

Mar. 25 ..........

Apr. 2,6-11,13, 15.

Apr. 18,20,26-30..

May 11-20 ........

July 21-26,28-31 .. 

July 27 ...........

Aug. 11-20. .......

Aug. 21-31 .......

Sept. 21-30 .......

Weighted average

Mean 

discharge 

(cfs)

2,132 

2, 182 

3,375 

4,633

2,663 

2,320

3,476 

8,059 

11, 170 

13,640 

11,900 

10,340

13,900 

10, 500 

5,061 

2,529 

2,928 

2,890

3,766 

2,941 

2,381 

1,684 

1,541 

2,207

a5, 137

Silica 

(Si02)

15 

10 

7.4 

8.8

16 

12

16 

12 

13 

12 

11 

10

11 

9.9 

11 

10 

16 

19

20 

17 

17 

13 

11 

16

13

Chemical analyses, in parts per million, water year October 1954 to September 

Iron 

(Fe)

Calcium 

(Ca)

114 

116 

102 

125

114 

62

96 

66 

58 

58 

60 

68

58 

61 

87 

118 

144 

265

163 

162 

177 

178 

204 

191

93

Magnesium 

(Mg)

52 

49 

38 

34

46 

18

36 

20 

17 

16 

18 

21

16 

19 

29 

44 

56 

81

49 

54 

62 

73 

88 

73

32

Sodium 

(Na)

257 

246 

257 

130

183 

6

137 

58 

43 

33 

43 

55

37 

52 

82 

125 

163 

205

124 

148 

169 

194 

229 

207

95

Potassium 

(K)

9.2 

9.2 

13 

7.1

7.3 

3

5.9 

3.8 

3.3 

2.7 

2.7 

3.2

2.2 

2.2 

3.6 

4.8 

7.1 

11

6.9 

7.1 

7.4 

7.2 

7.5 

6.5

4.4

Bicarbonate 

(HCOS )

171 

186 

159 

162

200 

139

177 

156 

151 

142 

134 

131

128 

126 

145 

162 

183 

196

195 

205 

202 

198 

184 

213

159

Sulfate 

(S04 )

485 

473 

355 

416

430 

144

337 

157 

117 

113 

145 

178

133 

171 

268 

416 

568 

1,050

558 

587 

695 

758 

917 

776

301

Chloride 

(Cl)

299 

269 

339 

112

190 

70

137 

56 

44 

32 

43 

56

32 

45 

81 

123 

148 

121

103 

118 

129 

156 

185 

165

88

Fluoride 

(F)

Nitrate 

(NO,)

10 

8.9 

12 

8.2

10 

5.2

7.2 

4.3 

3.5 

3.2 

3.3 

3.4

5.0 

4.6 

4.5 

6.0 

13 

5.5

6.4 

9.4 

13 

15 

16 

12

6.0

Boron 

(B)

0. 13

. 10 

. 12

.09 

.06

.19

.00 

.00 

. 10 

. 13

. 11 

.20

--

D

Part

per 

million

1,3

1,2

1,20

9

1, 1

4

8

4

3

3

3

4

3

4

6

9

1,2

1,8

1, 1

1,2

1,3

1,4

1,7

1,5

7

a Represents 81 percent of runoff for water year October 1954 to September 1955.
COLORADO RIVER MAIN STEM 

COLORADO RIVER MAIN STEM Continued 

COLORADO RIVER NEAR CISCO, UTAH Continued 

Temperature (°F) of water, water year October 1954 to September

47

Day

1

2

3

4

5

6

7

8

9

10

11

12

13

14

15

16

17

18

19

20

21

22

23

24

25

26

27

28

29

30

31

Average

Oct.

59

59

59

61

61

60

61

63

64

63

60

60

57

54

51

49

50

50

50

51

56

56

57

57

50

50

47

44

44

48

43

55

Nov.

48

46

--

46

..

46

43

..

44

_.

46

_

46

_

45

..

43

.-

44

37

_

--

..

--

Dec.

_

._

32

--

35

_.

35

35

_

..

37

._

35

_

_

_

32

..

__

..

--

32

_

32

_

32

Jan.

_

..

..

 in 01

..

32

__

_

..

_

_

32

--

..

32

_

32

--

31

_

_

31

--

32

..

32

..

_

32

Feb.

..

32

..

32

--

..

32

__

32

--

32

..

_

32

--

32

_

32

_.

--

31

..

32

._

32

..

._

_

_

--

Mar.

..

_.

__

33

--

__

__

34

--

37

_

._

45

43

..

44

_.

--

44

..

42

..

46

__

45

_

_

47

Apr.

..

44

__

._

--

44

34

48

50

56

50

__

50

_.

52

..

55

__

48

50

._

._

--

55

51

48

50

51

--

May

53

52

..

52

--

59

56

57

55

49

55

58

58

58

57

54

52

52

57

55

58

61

58

58

59

58

60

_

60

59

70

57

June

59

60

58

58

68

63

65

67

66

63

65

61

65

63

63

65

63

64

70

66

64

67

67

68

66

67

64

65

67

67

--

64

July

66

68

72

68

70

69

68

69

69

76

70

69

70

71

75

75

_

73

74

74

74

75

76

76

75

74

73

74

75

74

80

72

Aug.

75

75

76

75

75

74

77

74

74

74

74

74

74

77

73

73

74

73

74

73

78

71

72

72

73

72

71

78

71

69

68

74

Sept.

67

68

68

77

69

68

69

69

70

69

72

66

66

67

67

67

64

63

64

62

60

58

57

57

57

58

56

56

56

55

--

64
48 COLORADO RIVER BASIN 

COLORADO RIVER MAIN STEM Continued 

COLORADO RIVER NEAR CISCO, UTAH Continued 

Suspended sediment, water year October 1954 to September 1955

Day

1. .....

2. ..... 

3. .....

4. ..... 

5. .....

6. .....

7. .....

8...... 

9. ..... 

10. .....

11. .....

12. ..... 

13. .....

14. .....

15. ..... 

16. .....

17......

18...... 

19. ..... 

20. .....

21......

22. .....

23. ..... 

24. ..... 

25. .....

26......

27......

28. ..... 

29. .....

30. ..... 

31. .....

Total.

1...... 

2...... 

3...... 

4...... 

5......

6......

8...... 

9...... 

10. .....

11...... 

12. ..... 

13...... 

14. ..... 

15......

16. .....

18. ..... 

19...... 

20. .....

22. ..... 

23. ..... 

24...... 

25. .....

26. ..... 

27. ..... 

28. ..... 

29. ..... 

30. ..... 

31......

Total.

October

Mean 

discharge 

(cfs)

3,460 

3,250 

2,870 

2,960 

3,160

2,950 

2,830 

3,700 

5,380 

5,470

5,000 

4,190 

4,080 

4,020 

3,940

3,820 

3,680 

3,600 

3,520 

3,420

3,340 

3, 190 

3,100 

3,140 

2,930

2,930 

2,950 

2,960 

2,910 

2,890 

2,910

108, 550

Suspended sediment

Mean 

concentration 

(ppm)

1,160 

835 

540 

2,510 

1,350

780 

540 

1,620 

11,200 

11, 000

13,300 

14, 800 

8,000 

3,600 

1,790

1,000 

680 

530 

460 

445

430 

905 

435 

575 

385

280 

220 

195 

175 

165 

150

--

Tons 

per 

day

10, 800 

7,330 

4,180 

20, 100 

11, 500

6,210 

4,130 

16, 200 

163, 000 

162, 000

180, 000 

167, 000 

88,100 

39, 100 

19, 000

10, 300 

6,760 

5,150 

4,370 

4,110

3,880 

7,790 

3,640 

4,870 

3,050

2,220 

1,750 

1,560 

1,370 

1,290 

1,180

961,940

January

1,870 

2,100 

2,390 

2,650 

3,100

2,900 

2,560 

2,200 

1,980 

1,930

1,990 

2,070 

2,150 

2,190 

1,980

2,170 

2,070 

2,040 

2,000 

2,050

2,040 

2,000 

1,900 

1,900 

2,000

2,050 

2,130 

2,150 

2,200 

2,250 

2,330

67, 300

70 

130 

160 

400 

1,330

920 

425 

200 

110 

95

100 

185 

160 

115 

110

160 

145 

120 

125 

120

90 

100 

80 

85 

100

180 

270 

340 

290 

240 

180

-

a 350 

a 740 

1,020 

a 2, 900 

11, 100

a 7, 200 

2,940 

a 1, 200 

a 590 

a 500

a 540 

1,030 

a 930 

680 

a 590

a 940 

810 

a 660 

675 

a 660

496 

a 540 

a 410 

436 

a 540

996 

a 1,600 

1,970 

a 1, 700 

a 1,500 

1.130

47, 373

November

discharge 

(cfs)

2,820 

2,910 

2,960 

3,160 

3,100

2,910 

2,830 

2,740 

2,530 

2,560

2,550 

2,510 

4,140 

3,190 

2,740

2,800 

2,550 

2,710 

2,670 

2,640

2,560 

2,620 

2,550 

2,510 

2,600

2,670 

2,600 

2,640 

2,530 

2,490

82, 790

Suspended sediment

Mean 

concentration 

(ppm)

135 

200 

195 

260 

245

230 

220 

250 

220 

175

180 

180 

3,800 

3,100 

2,800

2,700 

940 

740 

525 

230

150 

80 

75 

80 

100

140 

140 

130 

120 

100

--

Tons 

per 

day

1,030 

a 1,600 

1,560 

a 2, 200 

2,050

a 1,800 

a 1,700 

1,850 

a 1,500 

1,210

a 1, 200 

1,220 

a42,000 

a27,000 

20, 700

a 20, 000 

6,470 

a 5, 400 

3,780 

a 1,600

a 1, 000 

566 

a 520 

542 

a 700

a 1, 000 

a 980 

a 930 

820 

a 670

153, 598

February

2,280 

2,350 

2,320 

2,260 

2,220

2,100 

2,000 

2,050 

2,100 

2,030

1,980 

2,000 

2,040 

2,100 

2,200

2,330 

2,400 

2,430 

2,550 

2,400

2, 150 

1,900 

1,950 

2,000 

2,050

2,150 

2,300 

2,550

61, 190

190 

220 

200 

190 

200

190 

180 

190 

230 

220

225 

210 

180 

190 

550

2,060 

2,000 

1,800 

1,800 

400

240 

240 

265 

250 

260

240 

260 

270

--

a 1, 200 

1,400 

a 1, 300 

1,160 

a 1,200

a 1, 100 

972 

a 1,100 

1,300 

a 1,200

1,200 

a 1,100 

a 990 

1,080 

a 3, 300

13,000 

a 13, 000 

11,800 

a 12, 000 

a 2, 600

1,390 

a 1,200 

1,400 

a 1, 400 

1,440

a 1, 400 

a 1, 600 

a 1,900

83, 732

December

Mean 

discharge 

(cfs)

2,320 

2,040 

2,030 

2,460 

3,120

3,340 

3,080 

2,510 

2,410 

2,220

2,090 

2,190 

2,510 

2,550 

2,460

2,310 

2,110 

2,110 

2,040 

1,960

2,060 

2,030 

1,960 

1,990 

2, 140

2,270 

2,260 

2,240 

2,040 

1,850 

1,830

70,530

Suspended sediment

Mean 

concentration 

(ppm)

85 

60 

45 

160 

820

1,130 

720 

580 

320 

220

90 

100 

145 

140 

80

55 

50 

50 

75 

105

120 

115 

120 

150 

150

170 

175 

170 

110 

80 

55

-

Tons 

per 

day

532 

a330 

247 

a 1, 100 

a 6, 900

10,200 

a 6, 000 

3,930 

a 2, 100 

1,320

a 510 

a 590

ftflfl

a 960 

531

a 340 

285 

a 280 

a410 

556

a 670 

630 

a 640 

a 810 

a 870

a 1, 000 

1,070 

a 1, 000 

606 

a 400 

272

46, 072

March

2,800 

3,050 

3,300 

3,700 

4,200

3,700 

3,000 

3,200 

3,700 

4,800

6,000 

4,800 

4,400 

4,200 

4,000

3,700 

3,400 

3,060 

2,780 

2,510

2,320 

2,120 

2,170 

2,310 

2,320

2,420 

2,440 

2,290 

2,290 

2,360 

2,440

99, 780

260 

240 

2,000 

3,400 

4,000

3,400 

2,900 

3,500 

4,000 

6,500

18, 200 

13, 000 

12, 000 

10, 800 

7,500

3,200 

1,900 

1,400 

860 

610

475 

420 

445 

500 

560

550 

550 

340 

290 

450 

280

a 2, 000 

1,980 

a 18, 000 

34, 000 

a45,000

a 34, 000 

23, 500 

a 30, 000 

40,000 

a 84, 000

295, 000 

a 170, 000 

a 140, 000 

122, 000 

a81,000

32,000 

a 17, 000 

11, 600 

a 6, 500 

a 4, 100

2,980 

a 2, 400 

2,610 

a3, 100 

3,510

a 3, 600 

a 3, 600 

2,100 

a 1,800 

a 2, 900 

l,S4n

1,222,120

a Computed from estimated concentration graph.
COLORADO RIVER MAIN STEM 

COLORADO RIVER MAIN STEM Continued 

COLORADO RIVER NEAR CISCO, UTAH Continued 

Suspended sediment, water year October 1954 to September 1955 Continued

49

Day

1. ..... 

2...... 

3...... 

4...... 

5......

6. ..... 

7. .....

8...... 

9. ..... 

10. .....

12...... 

13. ..... 

14...... 

15......

17. .....

18......

20......

22. ..... 

23......

24...... 

25......

28...... 

29......

30...... 

31. ..... 

Total.

t..... 

2...... 

3...... 

4...... 

5......

e......

7. ..... 

8...... 

9...... ia.....

It.....

13...... 

14. ..... 

15......

16......

18. ..... 

19. ..... 2a .....

21...... 

22...... 

23. ..... 

24...... 

25......

26...... 

27. ..... 

28. ..... 

29. ..... 

30. ..... 

31. ..... 

Total.

April

Mean 

discharge 

(cfs)

2,910 

3,080 

3,020 

3,250 

3,230

2,910 

2,670 

2,910 

3,120 

3,270

4,060 

5,220 

5,260 

4,440 

4,000

4,740 

6,160 

7,570 

7,590 

7,260

6,500 

6,120 

6,570 

7,160 

6,920

6,960 

7,910 

9,300 

9,140 

8,270

161, 520

Suspended sediment

Mean 

concentration 

(ppm)

400 

480 

460 

560 

600

540 

365 

460 

405 

420

1,340 

2,900 

3,100 

2,300 

1,840

2,600 

4,100 

5,200 

4,600 

3,440

2,100 

2,000 

2,600 

3,400 

2,800

3,620 

4,500 

5,760 

6,000 

3,100

--

Tons 

per 

day

a3,100 

a 4, 000 

a 3, 800 

a 4, 900 

5,230

4,240 

2,630 

3,610 

3,410 

3,710

14, 700 

a41,000 

44, 000 

a28, 000 

19,900

a 33, 000 

a 68, 000 

106, 000 

a 94, 000 

67,400

a37,000 

33,000 

a 46, 000 

a 66, 000 

52, 300

68, 000 

96, 100 

145, 000 

148, 000 

69,200

1,315,230

July

7,190 

6,310 

5,840 

5,700 

5,180

4,690 

4,480 

4,210 

3,720 

3,290

2,890 

2,730 

2,730 

2,890 

2,910

2,710 

2,460 

2,190 

1,960 

1,820

1,800 

1,910 

1,900 

1,960 

2,010

2,630 

2,890 

4,270 

4,820 

4,400 

3,520

108, 070

420 

405 

360 

375 

320

320 

350 

210 

210 

230

110 

90 

135 

140 

140

95 

90 

85 

100 

100

85 

140 

140 

150 

145

250 

5,970 

2,500 

5,330 

2,280 

1,000

--

Total discharge for year (cfsTotal load for year (tons)

8,150 

6,900 

5,680 

5,770 

4,480

4,050 

4,230 

2,390 

2,110 

a 2, 000

858 

663 

995 

1,090 

1,100

695 

a 600 

503 

529 

491

413 

722 

718 

794 

787

1,820 

s 45, 700 

28,800 

69,400 

27,100 

9,500

239, 038

May

discharge 

(cfs)

8,780 

9,390 

11, 300 

10, 500 

9,080

8,510 

9,280 

11,800 

16, 400 

16, 700

14, 300 

13, 100 

13,300 

13, 900 

14, 900

16, 400 

16,000 

13,500 

11,200 

9,810

9,470 

10, 800 

13, 200 

13, 700 

13,500

14, 400 

14, 000 

12, 400 

10, 800 

9,440 

9,160

379, 020

Suspended sediment

Mean 

concentration 

(ppm)

2,820 

2,060 

9,800 

5,900 

2,300

1,700 

2,270 

4,100 

9,350 

7,930

4,440 

2,820 

2,900 

3,020 

3,200

3,700 

3,870 

2,150 

1,600 

1,300

1,200 

1,550 

2,230 

2,140 

2,330

2,430 

3,440 

1,700 

1,080 

930 

1,130

-

Augi

2,910 

2,870 

3,080 

2,960 

3,700

4,850 

5,000 

4,690 

4,020 

3,560

3,250 

2,780 

2,650 

3,040 

2,510

2,550 

2,820 

3,330 

3,400 

3,080

2,560 

2,390 

2,150 

1,870 

1,880

2,780 

2,830 

2,480 

2,490 

2,370 

2,390

93, 260

2,050 

2,520 

4,950 

2,400 

4,450

10, 200 

10, 100 

10, 300 

4,400 

4,000

1,950 

950 

600 

3,800 

5,080

1,950 

1,800 

7,800 

4,830 

12,000

4,900 

1,900 

970 

600 

500

5,850 

6,470 

6,700 

2,400 

1,120 

940

_.

Tons 

per 

day

66, 900 

52, 200 

a 300, 000 

167, 000 

a 56, 000

39, 100 

56, 900 

131,000 

414, 000 

358,000

171, 000 

99, 700 

104, 000 

113, 000 

129, 000

164, 000 

167, 000 

78, 400 

48, 400 

34, 400

30, 700 

45, 200 

79, 500 

79, 200 

84, 900

94, 500 

130, 000 

a 57, 000 

31,500 

23, 700 

27,900

3,434,100

JSt

16, 100 

19, 500 

41, 200 

19, 200 

44, 500

134, 000 

136, 000 

130, 000 

47, 800 

38, 700

17, 100 

7,130 

4,290 

31,200 

34, 400

13,400 

13, 700 

70, 100 

44, 300 

99, 800

33, 900 

12, 300 

5,630 

3,030 

2,540

43, 900 

49, 400 

44, 900 

16, 100 

7,170 

6.070

1,187,360

Jane

Mean 

discharge 

(cfs)

10, 200 

10, 900 

10, 200 

9,420 

8,810

8,510 

7,670 

8,140 

12, 400 

17, 200

16, 700 

15, 400 

15, 400 

15, 600 

15, 400

14,400 

13,000 

11, 500 

11,000 

10, 600

10, 900 

11, 500 

12,000 

12,500 

12, 300

10, 900 

9,670 

9,050 

8,350 

7,780

347, 400

Suspended sediment

Mean 

concentration 

(ppm)

1,310 

1,270 

950 

1,160 

740

760 

700 

1,220 

2,000 

3,350

2,570 

2,000 

1,560 

1,560 

1,540

1,210 

970 

860 

1,220 

810

770 

920 

1,170 

1,180 

770

660 

585 

570 

540 

460

--

Tons 

per 

day

36,100 

37,400 

26, 200 

29, 500 

17, 600

17, 500 

14,500 

26,800 

67,000 

156, 000

116,000 

83,200 

64,900 

65, 700 

64, 000

47, 000 

34,000 

26,700 

36,200 

23,200

22,700 

28, 600 

37, 900 

39,800 

25,600

19,400 

15,300 

13,900 

12,200 

_ 9,660

1, 214, 560

September

2,220 

1,980 

1,880 

1,740 

1,670

1,600 

1,530 

1,440 

1,410 

1,370

1,370 

1,470 

1,480 

1,460 

1,380

1,390 

1,470 

1,600 

1,730 

2,060

2,270 

2,170 

2,310 

2,340 

2,270

2 220 

2^140 

2,110 

2,090 

2,150

54, 320

500 

335 

210 

165 

130

175 

125 

55 

50 

100

30 

35 

45 

45 

50

40 

40 

55 

55 

280

2,860 

1,720 

2,260 

600 

335

240 

185 

150 

120 

110

-.

3,000 

1,790 

1,070 

775 

586

756 

516 

214 

190 

370

111 

139 

180 

177 

186

150 

159 

238 

257 

1,560

17, 500 

10,100 

14, 100 

3,790 

2,050

1,440 

1,070 

855 

677 

639

64, 645

1, 633, 730 

9, 969, 768

s Computed by subdividing day.

a Computed from estimated concentration graph.
COLORADO RIVER MAIN STEM Cont inued 

COLORADO RIVER NEAR CISCO, UTAH Continued

Particle-size analyses of sediment, Water year October 1954 to Sep

(Methods of analysis: B, bottom withdrawal tube; D, decantation; P, pipette; S

W, in distilled water; C, chemically dispersed; M, mechanically 

Date 

of 

collection

Oct. 1, 1954. ......

Oct. 4 ...........

Oct. 9 ...........

Apr. 10, 1955 

Apr. 26 ..........

May 9 .............

May 21 ............

June 1 ............

June 10. ...........

June 11 .......;..

June 13. ...........

June 14 ...........

June 24 ...........

July 4 ............

July 28 ............

July 29 ...........

July 30 ...........

July 31 ............

Aug. 7 ...........

Aug. 8 ...........

Aug. 9 ............

Aug. 10 ...........

Time

5:25 p.m. 

12:10 p.m. 

8:45 a.m. 

5:50 p.m. 

2:10 p.m. 

6:40 a.m.

1:10 p.m. 

6:30 p.m. 

8:45 a.m. 

4:00 p.m. 

3.00 p.m. 

5:00 p.m.

6:20 p.m. 

7:15 p.m. 

3:15 p.m. 

5:15 p.m. 

11:30 a.m. 

7:40 a.m.

6:10 a.m. 

3:30 p.m. 

2:10 p.m. 

8:15 p.m. 

4:20 p.m. 

2:10 p.m.

7:15 p.m. 

10:45 a.m. 

3:20 p.m. 

7:20 p.m. 

12:45 p.m.

Discharge 

(cfs)

3,360 

3,250 

6,500 

4,040 

3,170 

6,480

16, 600 

9,720 

9,810 

13,400 

17, 800 

15,900

15,200 

15,300 

13,000 

5,880 

3,310 

2,760

3,800 

5,020 

4,480 

3,290 

3,860 

4,760

4,650 

4,960 

4,060 

3,440 

3,340

Water 

temperature 

(°F)

64 

65 

64 

58 

56 

55

57 

64 

59 

71 

67 

65

67 

64 

70 

74 

77 

73

74 

79 

79 

80 

79 

79

77 

78 

80 

79 

77

Suspended sedi

Concentration 

of sample 

(ppm)

1,010 

5,200 

15,200 

6,750 

384 

2,730

10, 100 

1,220 

974 

2,070 

3,440 

2,210

1,500 

1,570 

886 

343 

305 

15,000

2,720 

7,810 

2,190 

740 

4,710 

10,400

9,450 

5,320 

3,020 

2,700 

3,430

Concentration 

of suspension 

analyzed 

(ppm)

5,500 

2,860 

4,100 

3,800 

5,280 

4,560

5,190 

3,780 

2,900 

3,640 

3,760 

4,090

5,210 

5,480 

3,440 

857 

814 

4,120

2,650 

3,790 

4,510 

3,400 

4,760 

5,070

5,140 

5,620 

6,320 

5,450 

3,360

Percent finer 

0.002 0.004

45 

55 

45 

70 

39 

27

23 

13 

13 

13 

19 

20

16 

15 

15 

13

70

58 

66 

62 

59 

66 

69

70 

67 

67 

68 

62

0.008

15 

54

0.016

71 

85 

75 

92 

54 

43

38 

21 

21 

20 

31 

35

28 

29 

27 

20 

58 

98

86 

94 

86 

87 

91 

97

92 

91 

93 

95 

86

0
Aug. 15, 1955 3:30 p.m. 2,370 80 6,110 

1,240

5,810 70 

67

-- 96

on
GREEN RIVER BASIN

GREEN RIVER NEAR GREEN RIVER, WYO.

LOCATION. At bridge on Green River-Linwood highway, about 1 mile upstream from gaging station near 

a mile downstream from Bitter Creek, 1 mile southeast of town of Green River, and 4 miles upstre

Reservoir.

DRAINAGE AREA. 10,000 square miles above gaging station, approximately, of which 300 square miles 

RECORDS AVAILABLE.--Chemical analyses: May 1951 to September 1955.

Water temperatures: May 1951 to September 1955.

Sediment records: May 1951 to September 1955. 

EXTREMES, 1954-55. Dissolved solids: Maximum, 662 ppm Dec. 21-31; minimum, 170 ppm June 21-30

Hardness: Maximum, 360 ppm Dec. 21-31; minimum, 115 ppm June 21-30.

Specific conductance: Maximum daily, 1,180 micromhos Dec. 4; minimum daily, 264 micromhos June 2

Water temperatures: Maximum, 78 °F July 19, Aug. 13; minimum, 'freezing point Dec. 6, 13.

Sediment concentrations: Maximum daily, 2,640 ppm Apr. 13; minimum daily, 7 ppm on several days.

Sediment loads: Maximum daily, 12,100 tons Apr. 13; minimum daily, 6 tons Jan. 6-10. 

EXTREMES, 1951-55.--Dissolved solids: Maximum, 760 ppm Dec. 8-10, 1953; minimum, 159 ppm June 21-3

Hardness: Maximum, 412 ppm Dec. 8-10, 1953; minimum, 114 ppm July 1-10, 1954.

Specific conductance: Maximum daily, 1,240 micromhos Dec. 13, 1953; minimum daily, 219 micromhos 

Water temperatures: Maximum, 78°F July 19, Aug. 13, 1955; minimum, freezing point on many days d

Sediment concentrations: Maximum daily, 2,640 ppm Apr. 13, 1955; minimum daily, 6 ppm Jan. 21-31

Sediment loads: Maximum daily, 32,900 tons July 15, 1952; minimum daily, 6 tons Jan. 6-10, 1955.

REMARKS. Values reported for dissolved solids are residues on evaporation. Records of specific co

at Salt Lake City, Utah. Records of discharge for water year October 1954 to September 1955 giv

Chemical analyses, in parts per million, water year October 1954 to S

Date of collection

Oct. 1-10, 1954 . . .

Jan. 1-10, 1955 .. .

Feb. 20-28 .......

Mean 

discharge 

(cfs)

636 

689 

646 

663 

710 

603

303 

301 

263 

323 

304 

325

376 

389 

337

Silica 

(SiOa)

7.4 

10 

9.5 

10 

10 

10

14 

13 

12 

12 

11 

13

11 

11 

11

Iron 

(Fe)

Calcium 

(Ca)

58 

64 

66 

68 

70 

70

83 

82 

88 

81 

84 

78

76 

76 

76

Magnesium 

(Mg)

25 

26 

27 

28 

28 

29

34 

33 

34 

31 

32 

31

29 

29 

29

Sodium 

(Na)

63 

63 

64 

63 

63 

63

77 

73 

75 

73 

74 

70

64 

63 

63

Potassium 

(K)

.6 

.7 

.7 

.7 

.7 

1.7

2.0 

2.0 

2.0 

2.0 

2.0 

1.6

1.6 

1.6 

1.6

Bicarbonate 

(HCOS )

182 

198 

204 

215 

213 

217

261 

241 

250 

229 

230 

213

211 

208 

209

Sulfate 

(SO,)

212 

216 

219 

221 

225 

223

277 

275 

292 

274 

286 

272

258 

257 

256

Chloride 

(CD

9.0 

11 

10 

11 

11 

10

14 

12 

11 

10 

10 

9.2

8.2 

7.8 

7.5

Fluoride 

(F)

Nitrate 

(NO,)

0.9 

.9 

.6 

.6 

.5 

.3

.5 

.1 

.2 

.2 

.2 

.4

.3 

.2 

.3

Boron 

(B)

0.14 

.12

.07 

.06

.10
Mar. 1-10, 1955..

July 21-22, 24-26, 

28-31 ..........

Aug. 21-31.......

Sept. 21-30 ......

Weighted average

429 

607

958

1,169

1,709

4,496

1,752

915

654

519

569

1,155

12 

9.7

8.9

9.7

9 3

8.8

6.0

6.5

7.5

7.5

5.2

6.5

8.9

74

7Q

60

63

40

44

46

50

57

48

29

OQ

oo

19

24

18

64

XQ

1ft

OQ

33

47

61

35

1.4

2.0

2.6

2 

A

I

n

1.8

1.8

1.8

1.8

208

195

141

162

157

246 

260

260

150

164

44

129

161

229

128

9.2 

9.5

12

8.S

8.8

5.0

2.6

3 9

5.5

5.9

6.9

7.8

9.0

6.1

.3

.4

.9

.2

.2

.0

0.8

.05

.04

.00

.04

.06-
COLORADO RIVER BASIN

GREEN RIVER BASIN Continued

GREEN RIVER NEAR GREEN RIVER, WYO. Continued

Temperature (°F) of water, water year October 1954 to September 1955

Day

1

2

3

4

5

6

7

8

9

10

11

12

13

14

15

16

17

18

19

20

21

22

23

24

25

26

27

28

29

30

31

Average

Oct.

46

46

47

48

49

49

50

49

49

54

48

49

46

45

45

50

45

45

49

46

45

47

45

40

38

36

41

44

44

44

45

46

Nov.

42

36

42

41

43

46

42

41

41

42

38

39

41

39

43

45

38

39

39

38

38

39

38

38

44

38

38

36

33

33

--

40

Dec.

33

._

33

33

34

32

33

33

33

33

..

-.

32

33

33

33

34

33

33

33

35

33

34

34

34

34

33

33

34

34

34

33

Jan.

34

35

35

34

33

33

33

33

33

33

34

34

33

34

33

34

34

33

33

33

33

33

33

33

35

34

33

33

33

33

34

34

Feb.

35

34

34

33

33

33

34

34

33

33

34

35

35

35

34

34

35

35

34

33

33

33

34

33

34

33

33

34

_

_

--

34

Mar.

35

35

35

35

35

34

35

34

34

34

35

35

35

34

33

34

34

34

34

34

34

34

34

34

34

34

34

35

36

35

36

34

Apr.

35

35

34

34

34

35

35

35

36

36

34

35

35

42

42

45

43

45

45

43

40

46

45

46

49

53

52

43

45

45

--

41

May

52

49

50

48

55

58

56

55

59

63

61

63

63

63

55

57

58

62

65

64

64

60

53

55

55

53

50

57

58

57

June

55

53

50

52

55

57

65

67

65

64

66

63

66

62

63

60

59

64

65

68

68

69

69

64

71

67

67

65

62

63

July

63

64

64

66

66

64

60

59

62

63

65

61

62

70

68

69

74

77

78

69

70

77

74

72

70

65

67

66

65

65

71

67

Aug.

66

67

69

70

70

70

66

65

65

75

66

65

78

76

76

76

76

76

76

65

65

65

65

63

61

61

64

63

60

61

68

Sept.

62

69

60

61

63

62

63

63

60

57

59

56

57

59

57

56

60

56

57

55

55

56

55

51

51

50

45

47

46

46

--

56
GREEN RIVER BASIN

GREEN RIVER BASIN Continued

GREEN RIVER NEAR GREEN RIVER, WYO. Continued

Suspended sediment, water year October 1954 to September 1955

55

Day

1......

2. .....

3. .....

4. .....

5. .....

6. .....

7. .....

8. .....

9. .....

10. .....

11......

12. .....

13. .....

14. .....

15. ..... 

16. .....

17. .....

18...... 

19. ..... 

20. .....

22. .....

24. ..... 

25. .....

27. .....

28. .....

31......

Total.

1...... 

2...... 

3...... 

4...... 

5......

&..... 9. . . : . .

10. ..... 

11......

13...... 

14. ..... 

15......

19. ..... 

20. .....

21......

23. ..... 

24. ..... 

25......

26. ..... 

27...... 

28. ..... 

29. ..... 

30. ..... 

31...... 

Total.

October

Mean 

discharge 

(els)

598 

598 

589 

598 

643

700 

607 

580 

634 

818

960 

700 

652 

625 

634

661 

680 

661 

661 

652

634 

634 

625 

634 

598

625 

634 

643 

680 

700 

700

20, 358

Suspended sediment

Mean 

concentration 

(ppm)

.12

38

373 

273 

261 

258 

282

43 

77 

33

-

Tons 

per 

day

20

69

967 

516 

459 

435 

483

77 

130

59

4,694

January

390 

380 

340 

320 

310

300 

290 

290 

300 

310

310 

320 

320 

320 

310

300 

290 

280 

290 

300

320 

330 

320 

320 

310

310 

310 

320 

330 

340 

360

9,840

24 

8 

15 

14 

12

14

--

23 

6 

13 

11 

10

12

387

November

discharge 

(els)

690 

661 

661 

661 

652

652 

661 

680 

661 

652

643 

661

710 

740 

740

760 

730 

710 

710 

700

661 

652 

661 

680 

690

680 

661 

598 

456 

290

19, 764

Suspended sediment

Mean 

concentration 

(ppm)

32 

16 

13

21 

12 

40

Tons 

per 

day

57 

28 

23

42 

22 

61

1.201

February

370 

380 

370 

370 

380

390 

380 

370 

370 

380

400 

420 

420 

410 

390

380 

370 

360 

350 

350

340 

330 

330 

330 

330

330 

340 

350

10, 290

1-

13 

12 

12 

14

} _

--

23 

13 

13

12

13 

8

394

December

Mean 

discharge 

(els)

281 

290 

300 

300 

300

300 

310 

310 

320 

320

330 

330 

320 

310 

300

290 

280 

280 

280 

290

300 

310 

250 

220 

210

210 

220 

240 

270 

310 

350

8.931

Suspended sediment

Mean 

concentration 

(ppm)

19

61 

59 

64

40 

32 

30 

35 

44

26 

21 

21 

13

-.

Tons 

per 

day

14 

e26 

49 

48 

52

32

27 

25 

30 

38

22 

16 

15

9

660

March

360 

370 

380 

390 

410

430 

450 

470 

500 

530

560 

600 

660 

750 

710

640 

590 

540 

520 

500

480 

520 

540 

520 

510

510 

520 

550 

620 

812 

877

16,819

7 

31 

92 

73 

31

57

--

7 

40 

163 

110 

43 

100

2,415
56 COLORADO RIVER BASIN

GREEN RIVER BASIN Continued

GREEN RIVER NEAR GREEN RIVER, WYO. Continued

Suspended sediment, water year October 1954 to September 1955 Continued

Day

1. .....

2. ..... 

3. .....

4. ..... 

5. .....

7. .....

8. .....

10. .....

11. .....

12......

15. .....

16......

17. .....

18. .....

19. .....

20. .....

22......

24. .....

26......

28. ..... 

29. .....

31......

Total.

L..... 

2...... 

3...... 

4...... 

5......

6. .....

8...... 

9. ..... 

10......

11. .....

13

14. ..... 

15. .....

16. .....

18. ..... 

19

20. .....

22

23. .....

25. .....

26. ..... 

27. ..... 

28. ..... 

29. ..... 

30. ..... 

31...... 

Total.

April

Mean 

discharge 

(cfs)

825 

838 

740 

890 

812

955 

968 

1,080 

1,220 

1,250

1,200 

1,500 

1,700 

1,790 

1,760

1,680 

1,680 

1,680 

1,640 

1,500

1,350 

1,280 

1,250 

1,190 

1,120

1,120 

1,180 

1,140 

1,070 

994

37, 402

Suspended sediment

Mean 

concentration 

(ppm)

114

163

495 

810 

2,640 

1,700 

600

370 

380 

395 

392 

214

180 

122 

75 

73 

50

40

Tons 

per 

day

253

482

1,600 

3,300 

12,100 

8,220 

2,850

1,680 

1,720 

1,790 

1,740 

867

656 

422 

253 

235 

151

119

41,854

July

3,580 

3,310 

2,920 

2,550 

2,290

2,060 

1,870 

1,770 

1,770 

1,790

1,770 

1,710 

1,660 

1,680 

1,620

1,530 

1,450 

1,380 

1,350 

1,360

1,380 

1,410 

1,390 

1,310 

1,840

1,940 

2,140 

2,100 

2,060 

1,970 

1.760

58,720

36 

18

)'

15 

11 

12 

12 

14

14 

15

120 

180

252 

1,000 

381 

212 

141 

100

Total discharge for year (cfsTotal load for year (tons) ....

285 

90

141

62 

43 

45 

44 

51

52 

57 

e200 

424 

894

1,320 

5,780 

2,160 

1,180 

750 

475

16,117

May

discharge 

(cfs)

968 

1,010 

1,140 

1,190 

1,150

1,050 

1,060 

1,160 

1,280 

1,380

1,420 

1,390 

1,530 

1,650 

1,820

1,960 

2,100 

1,900 

1,740 

1,580

1,550 

2,020 

3,310 

4,080 

4,180

4,560 

4,430 

3,660 

3,090 

2,590 

2,190

64, 138

Suspended sediment

Mean 

concentration 

(ppm)

38 

53 

66

121

68 

93 

377 

610 

645

700 

740 

515 

270 

77 

60

--

Tons 

per 

day

112 

170 

278

606

275 

507 

3,370 

6,720 

7,280

8,620 

8,850 

5,090 

2,250 

538 

355

49.685

August

1,600 

1,490 

1,390 

1,290 

1,230 r

1,220 

1,310 

1,240 

1,290 

1,280

1,200 

1,140 

1,100 

1,070 

1,070

1,140 

1,120 

1,100 

1,100 

1,070

1,030 

994 

968 

929 

916

903 

929 

890 

864 

838 

799

34,510

89 

60 

53 

40 

35

97 

335 

163 

110 

135

49

37

» 20

15

384 

241 

199 

139 

116

320 

1,180 

546 

383 

467

148

110

54 

e44

36

5,723

June

Mean 

discharge 

(cfs)

2,060 

2,440 

2,950 

3,500 

3,430

2,900 

2,510 

2,170 

2,080 

2,660

3,780 

4,300 

4,710 

5,220 

5,580

5,820 

5,640 

5,700 

5,580 

5,270

4,810 

4,480 

4,360 

4,460 

4,580

4,710 

4,790 

4,630 

4,260 

3,880

123.260

Suspended sediment

Mean 

concentration 

(ppm)

60 

150 

172 

160 

135

69

265

343 

358 

222 

220 

170

127

102 

96 

80 

77 

59

Tons 

per 

day

334 

988 

1,370 

1,510 

1,250

459

3,380

5,390 

5,450 

3,420 

3,310 

2,420

1,560

1,300 

1,240 

1,000 

886 

618

57. 481

September

773 

730 

710 

680 

670

636 

620 

588 

573 

559

552 

545 

538 

531 

517

498 

492 

486 

498 

531

498 

504 

486 

480 

510

690 

690 

636 

620 

580

17,421

10 

10 

7 

8

12

285 

200 

66 

83 

50

19 

16 

10 

11

16

s572 

373 

113 

139 

78

1,635

421,453 

182,246

e Estimated.

s Computed by subdividing day.
GREEN RIVER BASIN Continued

GREEN RIVER NEAR GREEN RIVER, WYO. Continu

Particle-size analyses of suspended sediment, water year October 195

(Methods of analysis: B, bottom withdrawal tube; O, decantation; P, pipette; 

W, in distilled water; C, chemically dispersed; M, mechanica

Date 

of 

collection

Apr. 14, 1955....

Time

5:35 p.m. 

3:45 p.m. 

1:45 p.m.

Discharge 

(cfs)

1,560 

1,340 

4,580

Water 

temperature 

(°F)

41 

61 

55

Suspended se

Concentration 

of sample 

(ppm)

443 

45 

719

Concentration 

of suspension 

analyzed 

(ppm)

3,250 

1,190 

4,680

Percent fin

0.002

58

0.004

61 

66 

51

0.008

74

0.016

78 

79 

74
GREEN RIVER BASIN--Continued

BLACKS FORK NEAR MARSTON, WYO.

12 miles 

anles^^rfro^^glirstaLon^ear Green R^r. 8 ' ^^ 3°' a <* 

DRAINAGE AREA. --3, 670 square miles, approximately (above gaging station) 

RECORDS AVAILABLE. Chemical analyses: March 1951 to September 1955.

Water temperatures: March 1951 to September 1955.

EXTREMES, 1954-55. Dissolved solids: Maximum, 4,330 ppm Feb. 1-14; minimum, 410 ppm May 11-20 

Hardness: Maximum, 1,980 ppm Feb. 1-14; minimum 58 ppm Oct. 14, 17.

Specific conductance: Maximum daily, 5,780 micr'omhos Feb. 12; minimum daily, 554 micromhos May 15 

water temperatures: Maximum, 84 °F July 15-16; minimum, 33 °F Feb. 5.

EXTREMES, 1951-55. --Dissolved solids: Maximum, 4,480 ppm Oct. 1-3, 1953; minimum, 278 ppm Feb 12-13 

Hardness: Maximum, 1,980 ppm Feb. 1-14, 1955; minimum, 48 ppm Jan 21-22 26 1953

Specific conductance: Maximum daily, 6,010 micromhos Oct. 1, 1953; minimum daily, 414 micromhos Ap

temperatures: Maximum 84 F July 15-16, 1955; minimum, freezing point on many days during wi

ents Rern^'nf cn», S ?'!' PleS T^ colle f ** .? ^^ station near Green River. Values r

' ^ " *

Chemical analyses, in parts per million, water year October 1954 to Sep

Date of collection

Oct. 14, 17, 1954.

Nov. 21-30. ......

Dec. 1-8 ........

Feb. 1-14, 1955..

Mar. 29-31,

Apr. 11-20. ......

Aor. 21-30 ......

Mean 

discharge 

(els)

1.0 

.5 

10.8 

13.9

1.0 

1.0 

1.0 

.1

.1

1.0 

100 

140

189 

326 

276

Silica 

(Si02)

20 

12 

9.6 

9.8

12 

9.7 

11 

16 

19

14 

13 

13

12 

17 

13

Iron 

(Fe)

0.10 

.06 

.07 

.07

.06 

.06 

.08 

.09 

.05

.05 

.06 

.05

.06 

.02 

.03

Calcium 

(Ca)

19 

250 

164 

174

232 

164 

226 

432 

234

166 

88 

96

68 

69 

82

Magnesium 

(Mg)

2.6 

117 

75 

76

106 

69 

92 

220 

85

60 

30 

34

23 

24 

28

Sodium 

(Na)

156 

610 

283 

261

376 

182 

249 

676 

250

160 

125 

132

105 

96 

67

Potassium 

(K)

1.7 

10 

5.3 

5.3

7. 1 

5.7 

6.0 

13 

6.2

4.9 

2.9 

3.9

3.1 

4.2 

3.8

Bicarbonate 

(HCO,)

189 

185 

207 

225

325 

365 

502 

828 

444

340 

202 

225

185 

192 

234

Sulfate 

(SOJ

183 

1,960 

997 

973

1,330 

654 

906 

2,240 

940

628 

367 

365

240 

236 

198

Chloride 

(Cl)

40 

195 

103 

99

152 

82 

118 

310 

98

71 

52 

76

62 

62 

46

Fluoride 

(F) 

7

0.5 

.5 

.2

.6 

.2 

.5 

.8 

.5

.5 

.3 

.3

.4 

.4 

.3

Nitrate 

<NOS)

3.1

1.7 

.4 

.7

2.6 

.5 

.3 

12 

2.2

.7 

1.2 

.5

.7 

1.7 

.9

Boron 

(B)

0.27 

.59 

.36 

.35

.47 

.30 

.38 , 

.86 

.36

.32 

.13 

.17

.11 

.15 

.09

P

p

m

l

3,

1,

1,

2,

1,

1,

4,

1,

1,
May 1-10, 1955...

May 21-31 .......

July 11-20 .......

Sept. 26-30 ......

We ighted ave sage

458

479

15.0

67.4

a!55

15

13

1 **

1 3

25

14

.09

.08

.05

.01

0.06

66

80

156

111

82

21

75

48

31

29

40

342

263

86

3.3

5.6

3.7

208 

221

245

272

205

216

167

225

129

805

713

254

28

40

58

107

63

47

.2

.5

.6

0.3

.9

.8

.4

.8

1.0

.11

.38

0.17

1

a Represents 99 percent of runoff for water year October 1954 to September 1955.
60 COLORADO RIVER BASIN 

GREEN RIVER BASIN--Continued 

BLACKS FORK NEAR MARSTON, WYO. Continued 

Temperature (°F) of water, water year October 1954 to September 1955

Day

1

2

3

4

5

6

7

8

9

10

11

12

13

14

15

16

17

18

19

20

21

22

23

24

25

26

27

28

29

30

31

Average

Oct.

--

_.

--

..

54

48

--

54

--

--

--

--

--

Nov.

..

41

"

46

46

45

.-

45

45

45

44

40

44

44

43

46

46

50

45

42

43

38

35

34

36

--

--

Dec.

35

36

38

38

37

38

38

38

37

35

38

36

--

36

38

37

--

36

--

34

38

35

36

34

34

35

37

35

36

Jan.

38

38

38

--

--

__

35

34

34

35

35

35

36

35

--

34

35

--

37

37

37

36

37

35

36

35

36

35

36

--

36

Feb.

..

36

36

33

35

36

38

36

36

38

38

..

-_

35

34

38

38

37

39

"

34

35

37

--

"

Mar.

37

36

36

35

--

36

35

35

35

"

36

37

37

37

34

35

34

35

36

34

35

34

34

34

34

35

36

37

36

37

36

36

Apr.

38

42

39

37

35

..

38

38

38

37

35

36

36

38

42

43

45

45

46

42

43

50

47

49

51

47

50

53

53

--

43

May

51

51

53

55

..

57

58

--

57

51

52

53

57

54

55

61

62

61

60

--

52

51

--

50

"

June

56

53

56

57

61

63

61

61

63

52

56

66

64

61

69

70

70

72

71

69

70

--

70

66

69

64

July

69

69

 70

67

65

72

-_

69

65

69

78

--

84

84

75

78

80

--

_.

77

76

75

69

79

78

77

75

68

--

Aug.

69

81

78

74

_.

78

77

77

73

78

68

70

68

67

69

68

71

69

67

66

67

66

71

66

70

68

66

68

68

71

Sept.

65

63

69

71

70

72

--

--

..

--

_.

--

54

52

50

59

--
GREEN RIVER BASIN--Continued

HENRYS FORK AT LINWOOD, UTAH

LOCATION. About 75 yards upstream from gaging station, which is in Sweetwater County, Wyoming, 300 f

Daggett County.

DRAINAGE AREA.--531 square miles. 

RECORDS AVAILABLE. Chemical analyses: March 1951 to September 1955.

Water temperartures: March 1951 to September 1955. 

EXTREMES, 1954-55.--Dissolved solids: Maximum, 2,450 ppm Sept. 1-10; minimum, 595 ppm June 9-20.

Hardness: Maximum, 1,470 ppm Sept. 1-10; minimum, 396 ppm June 9-20.

Specific conductance: Maximum daily, 2,990 micromhos Aug. 31; minimum daily, 683 micromhos June 11

Water temperatures: Maximum, 66°F July 31; minimum, freezing point on many days during December to 

EXTREMES, 1951-55. Dissolved solids: Maximum, 2,550 ppm Aug. 21-31, Sept. 1-2, 1954; minimum, 312 p

Hardness: Maximum, 1,530 ppm Aug. 21-31, Sept. 1-2, 1954; minimum, 208 ppm June 1-6, 9-10, 1952.

Specific conductance: Maximum daily, 3,070 micromhos Aug. 20, 1954; minimum daily, 395 micromhos M

Water temperatures: Maximum, 67°F July 1, 1954; minimum, freezing point on many days during winter 

REMARKS. Values reported for dissolved solids are sums of determined constituents. Records of speci

office at Salt Lake City, Utah. Records of discharge for water year October 1954 to September 195

Chemical analyses, in parts per million, water year October 1954 to Sep

Date of collection

Oct. 1-10, 1954. 

Oct. 11-20 .....

Nov. 11-20 ..... 

Nov. 21-30 ....

Dec. 11-20 ..... 

Dec. 21-31 ..... 

Jan. 1-10, 1955.

Feb. 11-20 ..... 

Feb. 21-28 ..... 

Mar. 1-10 ..... 

Mar. 11-20 .... 

Mar. 21-31.....

Mean 

discharge 

(cfs)

6.8 

7.6 

10.3 

13.4 

20.3 

16.5

25.0 

25.0 

25.0 

25.0 

25.0 

25.0

30.0 

30.0 

30.0 

45.0 

45.0 

45.0

Silica 

(Si02)

23 

24 

23 

22 

21 

24

27 

25 

22 

21 

23 

22

21 

21 

21 

20 

20 

24

Iron 

(Fe)

Calcium 

(Ca)

201 

201 

198 

185 

179 

171

182 

169 

167 

157 

149 

148

140 

132 

134 

136 

118 

122

Magnesium 

(Mg)

105 

104 

105 

93 

90 

90

90 

85 

76 

73 

70 

68

63 

60 

63 

64 

56 

58

Sodium 

(Na)

113 

109 

108 

95 

87 

97

97 

82 

72 

68 

69 

67

60 

56 

53 

55 

69 

68

Potassium 

(K)

12 

12 

12 

11 

10 

9.9

10 

9.7 

8.5 

8.1 

8.5 

8.5

7.7 

7.2 

5.8 

6.1 

9.5 

8.5

Bicarbonate 

(HCO,)

300 

300 

302 

308 

306 

273

318 

318 

312 

291 

270 

270

269 

264 

268 

270 

240 

236

Sulfate 

(SO,)

827 

827 

815 

702 

663 

694

677 

608 

548 

529 

523 

505

451 

422 

424 

433 

422 

440

Chloride 

(Cl)

57 

53 

53 

46 

42 

44

44 

39 

36 

34 

35 

34

32 

30 

30 

30 

31 

31

Fluoride 

(F)

Nitrate 

(N03 )

0.6 

.4 

.3 

.4 

.2 

.6

.6 

.6 

.4 

.4 

1.2 

1.2

3.3 

1.4 

.8 

.7 

.8 

1.7

Boron 

(B)

0.38 

.33 

.37 

.32 

.30 

.32

.33 

.27 

.31 

.25

.17

.17 

.23 

.23 

.26

Pa

p

m

li
GREEN RIVER BASIN--Continued

HENRYS FORK AT LINWOOD, UTAH Continued 

Chemical analyses, In parts per million, water year October 1954 to September 

Date of collection

Apr. 1-10, 1955 .

Apr. 21, 23-30 ..

May 21-23, 30-31

Aug. 1-6 ........

Sept. 21-30.. ....

Weighted average

Mean 

discharge 

(cfs)

70.0 

70.0 

50.3 

54.0 

42.8 

23.5 

4.6 

66.7

19.4 

183 

31.4 

1.5 

.9 

2.5

1.8 

47.0 

19.5 

4.5 

1.9 

1.7 

1.7 

12.1

b29. 0

Silica 

(Si02)

23 

23 

20

19 

20 

23 

24

27 

26 

26 

29 

27 

28

29 

37 

34 

31 

31 

26 

23 

23

23

Iron 

(Fe)

Calcium 

(Ca)

109 

100 

122

116 

117 

180 

130

180 

96 

150 

286 

315 

272

310 

234 

154 

264 

302 

324 

302 

238

133

Magnesium 

(Mg)

47 

45 

61

56 

48 

85 

58

97 

38 

73 

147 

153 

141

156 

96 

49 

128 

149 

161 

150 

118

61

Sodium 

(Na)

62 

50 

64

60 

58 

97 

69

111 

35 

88 

194 

200 

181

199 

9 

7 

139 

189 

205 

171 

124

65

Potassium 

(K)

9.5 

8.9 

7.6

8.4 

8.4 

11 

10

12 

7.3 

9.7 

14 

15 

15

15 

2 

1 

15 

15 

14 

14 

14

8.6

Bicarbonate 

(HCOS)

225 

243 

270 

292 

240 

234 

303 

260

306 

232 

294 

373 

368 

322

355 

306 

251 

330 

313 

337 

294 

287

260

Sulfate 

(SO,)

363 

305 

405 

639 

401 

375 

681 

438

731 

253 

545 

1,260 

1,360 

1,230

1,370 

821 

463 

1,080 

1,370 

1,470 

1,370 

1,020

451

Chloride 

(Cl)

28 

27 

33 

47 

36 

29 

52 

38

54 

23 

38 

81 

85 

78

84 

52 

36 

66 

81 

84 

78 

70

33

Fluoride 

(F)

Nitrate 

(NO,)

1.8 

1.8 

.6 

1.6 

.6 

.6 

.6 

1.0

5.6 

3.0 

4.8 

5.5 

5.6 

1.4

.8 

1.0 

2.1 

1.2 

.1 

.2 

.1 

.1

1.7

Boron 

(B)

0.14 

.19

.25 

.11 

.23 

.50 

.51

.49 

.65 

.74 

.57 

.45

--

D

Part

per 

million

7

6

8

8

7

1,2

8

1,3

5

1,0

2,2

2,3

2,1

2,3

1,4

9

1,8

2,2

2,4

2,2

1,7

9

a Not included for computation of weighted averages.

b Represents 99 percent of runoff for water year October 1954 to September 1955.
GREEN RIVER BASIN 

GREEN RIVER BASIN--Continued 

HENRYS FORK AT LINWOOD, UTAH--Continued 

Temperature (°F) of water, water year October 1954 to September 1955

63

Day

1

2

3

4

5

6

7

9

10

11

12

13

14

15

16

17

18

19

20

21

22

23

24

25

26

27

28

29

30

31

Average

Oct.

42

43

45

49

47

46

49

50

54

46

41

43

43

35

36

38

45

39

38

42

40

40

42

44

36

36

33

35

35

35

--

42

Nov.

34

33

34

33

34

34

35

34

34

34

36

41

40

37

37

43

33

36

33

34

38

34

34

35

33

36

37

33

33

33

--

35

Dec.

32

32

33

34

34

31

33

32

32

32

34

33

33

32

32

33

31

32

32

32

32

32

32

32

32

33

32

32

33

33

33

32

Jan.

32

35

33

34

32

32

32

32

32

32

32

32

32

32

32

32

32

32

32

32

32

32

33

33

33

32

32

32

32

32

32

32

Feb.

32

32

32

32

31

32

32

32

33

32

32

31

32

32

32

31

32

31

31

31

32

33

34

33

32

34

35

35

--

32

Mar.

32

36

36

35

35

35

35

34

32

35

34

32

34

32

35

40

33

35

35

33

33

35

35

40

35

33

36

35

40

33

35

35

Apr.

40

35

--

33

33

35

36

36

36

38

34

35

40

45

42

40

46

44

38

35

42

43

39

50

53

46

39

36

45

49

--

40

May

50

43

45

44

49

50

50

54

51

50

51

51

49

54

49

44

43

50

54

53

55

53

48

56

50

48

45

44

50

56

54

50

June

54

46

46

51

54

52

59

55

55

52

55

64

54

60

56

55

54

52

60

54

58

59

62

59

59

59

58

54

56

48

--

55

July

55

54

59

55

59

54

54

55

55

59

60

58

58

60

60

60

65

60

65

62

63

61

64

64

64

59

60

59

58

57

66

59

Aug.

64 '63

60

59

63

60

62

62

60

59

62

58

65

60

56

54

60

60

59

58

58

58

56

56

58

55

57

59

54

53

53

59

Sept.

55

53

52

56

53

53

54

53

48

50

50

52

53

52

48

50

53

53

50

48

50

46

48

49

46

43

43

42

44

50
GREEN RIVER BASIN--Continued

YAMPA RIVER NEAR MAYBELL, COLO.

LOCATION. At county bridge 1 mile north of Maybell, Moffat County, and about 3J miles downstream fro

DRAINAGE AREA. 3,410 square miles, approximately (above gaging station). 

RECORDS AVAILABLE.--Chemical analyses: November 1950 to September 1955.

Water temperatures: November 1950 to September 1955.

Sediment records: December 1950 to September 1955. 

EXTREMES, 1954-55.--Dissolved solids: Maximum, 498 ppm Sept. 21-30; minimum, 88 ppm June 11-20.

Hardness: Maximum, 202 ppm Sept. 21-30; minimum, 52 ppm June 11-20.

Specific conductance: Maximum daily, 947 micromhos Sept. 24; minimum daily, 116 micromhos June 10.

Water temperatures: Maximum, 80°F on several days during July and August; minimum, 33°F on many da

Sediment concentrations: Maximum daily, 3,420 ppm Mar. 13; minimum daily, 8 ppm July 19-24.

Sediment loads: Maximum daily, 23,400 tons May 9; minimum daily, 2 tons Sept. 14-19. 

EXTREMES, 1950-55. Dissolved solids: Maximum, 498 ppm Sept. 21-30, 1955; minimum, 72 ppm June 21-30

Hardness: Maximum, 238 ppm Dec. 1-10, 1952; minimum, 45 ppm June 21-30, July 1-10, 1951.

Specific conductance: Maximum daily, 947 micromhos Sept. 24, 1955; minimum daily, 94.3 micromhos 

Water temperatures: Maximum, 81°F July 30, 1951; minimum, freezing point on many days during winte

Sediment concentrations: Maximum daily, 6,000 ppm July 22, 1951; minimum daily, 2 ppm Jan. 21 to 

Sediment loads: Maximum daily, 23,400 tons May 9, 1955; minimum daily, 1 ton Jan. 2 to Feb. 4, 195

REMARKS. Values reported for dissolved solids are residues on evaporation. Records of specific cond

office at Salt Lake City, Utah. Records of discharge for water year October 1954 to September 19

Chemical analyses, in parts per million, water year October 1954 

Date of collection

Oct. 1-10, 1954... 

Oct. 11-20...... ..

Jan. 1-10, 1955...

Feb. 11-19 .......

Feb. 20-28 .......

Mar. 21-31 .......

Mean 

discharge 

(cfs)

291 

503 

343 

285 

298 

237

212 

186 

213 

217 

191 

198

192 

208 

174 

231 

705 

434

Silica 

(Si02)

4.5 

9.3 

5.7 

7.3 

7.7 

8.7

12 

11 

11 

10 

13 

14

14 

14 

15 

12 

9.2 

14

Iron 

(Fe)

Calcium 

(Ca)

37 

33 

31 

34 

37 

37

40 

45 

44 

40 

40 

38

37 

39 

39 

41 

43 

42

Magnesium 

(Mg)

16 

12 

12 

15 

17 

16

18 

19 

17 

16 

15 

15

15 

16 

16 

14 

15 

17

Sodium 

(Na)

36 

25 

28 

33 

31 

40

43 

48 

46 

43 

44 

40

40 

42 

42 

39 

34 

44

Potassium 

(K)

2.5 

2.5 

1.7 

1.7 

1.7 

2.2

2.3 

2.6 

2.6 

2.2 

2.1 

2.2

2.2 

2.2 

2.2 

2 9 

4! 4 

2.5

Bicarbonate 

(HCO,)

166 

142 

140 

156 

164 

170

185 

207 

204 

187 

187 

178

178 

184 

186 

169 

149 

168

Sulfate 

(S04 )

65 

48 

48 

62 

67 

69

75 

80 

71 

64 

63 

60

61 

65 

67 

77 

98 

97

Chloride 

(Cl)

23 

12 

18 

21 

21 

24

28 

28 

30 

28 

28 

27

26 

26 

26 

21 

18 

24

Fluoride 

(F)

Nitrate 

(NO,)

0.8 

1.2 

.6 

.4 

.4 

.4

.4 

.5 

.4 

.4 

.9 

1.1

1.2 

1.2 

1.0 

.8 

1.7 

1.8

Boron 

(B)

0.08 

.11

.06 

.09

.09 

.04

P
Apr. 1-10, 1955... 

Apr. 11-15 .......

May 11-20. .......

June 11-20.... ....

July 1-10.........

July 21-31 ........

Aug. 11-20 .......

Aug. 21-31 .......

Sept. 11-20..... . .

Sept. 21-30.......

Weighted average

732

65.3

1,067

12

11

10

3.2

10

42

37

97

46

23

14

4 3

9 5

14

21

7.5

34

5 4

OQ

99

13

2.5

2 5

2 5

1 3

1 3

3 f\

3 9

3 9

3

D

5. 1

2.0

153

129

87

CO

139

1 52

194

208

93

87

QQ

1 7

147

31

16

4.4

DC

66

8.1

2.1 3 0g

.6

1.8

.00"
66 COLORADO RIVER BASIN

GREEN RIVER BASIN Continued

YAMPA RIVER NEAR MAYBELL, COLO.--Continued

Temperature (°F) of water, water year October 1954 to September 1955

Day

1

2

3

4

5

6

7

8

9

10

11

12

13

14

15

16

17

18

19

20

21

22

23

24

25

26

27

28

29

30

31

Average

Oct.

60

60

60

60

60

60

60

59

59

58

56

54

49

50

50

59

50

52

50

50

50

50

50

42

45

45

43

43

42

45

43

52

Nov.

43

43

43

43

43

43

43

43

43

43

43

44

42

44

44

43

41

42

42

42

43

42

43

43

43

43

38

34

34

33

--

42

Dec.

33

33

33

33

33

33

33

33

33

33

33

33

33

33

33

33

33

33

33

33

33

33

33

33

33

33

33

33

33

33

33

33

Jan.

33

33

33

33

33

33

33

33

33

33

33

33

33

33

33

33

33

33

33

33

33

33

33

33

33

33

33

33

33

33

33

33

Feb.

33

33

33

33

33

33

33

33

33

33

33

33

33

33

33

33

33

33

33

33

33

33

33

33

33

33

33

33

__

__

--

33

Mar.

33

33

33

33

33

33

33

33

34

35

35

35

35

35

35

35

35

35

34

34

34

34

34

34

34

34

34

34

35

35

36

34

Apr.

_.

34

34

35

35

35

35

35

36

36

35

35

36

36

36

36

36

36

38

40

42

42

42

42

43

45

46

47

48

50

--

38

May

52

47

48

48

49

49

50

49

52

54

54

55

55

54

53

50

49

49

50

56

55

55

54

55

53

53

53

53

53

54

55

52

June

55

55

54

55

56

58

60

60

60

60

60

60

60

60

--

57

60

62

62

62

64

68

69

65

64

64

66

65

65

65

--

61

July

66

67

69

69

69

70

69

72

72

73

70

74

75

76

76

78

78

78

79

79

80

80

79

80

79

77

78

78

79

79

79

75

Aug.

80

80

80

80

80

76

76

74

74

75

76

75

75

76

80

78

77

76

77

76

78

75

75

75

75

74

76

75

74

74

75

76

Sept.

73

--

70

74

76

74

73

73

70

--

70

69

69

68

68

66

64

62

60

60

60

60

60

60

60

60

60

60

58

59

--

66
GREEN RIVER BASIN

GREEN RIVER BASIN Continued

YAMPA RIVER NEAR MAYBELL, COLO. Continued

67

Suspended sediment, water year October 1954 to September 1955

Day

1......

2......

4. .....

5. .....

7. .....

8......

9. .....

10. .....

11......

12. ... ..

13......

15. .....

17. .....

18. .....

19. .....

21......

23......

24. ..... 

25......

26......

28......

29......

31...... 

Total .

2. ..... 

3. ..... 

4...... 

5......

8. ..... 

9. ..... 

10. .....

13. ..... 

14. ..... 

15. .....

 ID

23. ..... 

24. ..... 

25......

26...... 

27. ..... 

28. ..... 

29. ..... 

30. ..... 

31...... 

Total .

October

Mean 

discharge 

(cfs)

240 

233 

264 

252 

244

230 

252 

340 

355 

504

588 

642 

576 

546 

 510

475 

436 

430 

415 

410

390 

365 

340 

325 

316

316 

360 

365 

340 

320 

335

11,714

Suspended sediment

Mean 

concentration 

(ppm)

j 60

63

275 

2,060

2,080 

3,100 

1,100 

360

63

42 

> 33

-

Tons 

per 

day

40 

e43

45

264 

s2,870

3,300 

5,370 

1,710 

531

76

39 

31

15,238

January

220 

220 

240 

250 

250

230 

200 

190 

180 

190

200 

190 

180 

180 

180

210 

190 

170 

190 

220

210 

200 

190 

210 

230

210 

190 

180 

170 

180 

210

6,260

\ 23

}> 23 

> 22 

L 28

^ 28

-

15 

11 

12 

12 

16

14

414

November

discharge 

(cfs)

330 

307 

294 

280 

294

289 

272 

264 

264 

260

248 

233 

244 

284 

340

360 

340 

320 

312 

294

260 

244 

256 

272 

264

260 

244 

236 

205 

128

8,198

Suspended sediment

Mean 

concen - 

tration 

(ppm)

I'

L 30

y 33

>::

--

Tons 

per 

day

28 

20 

22 

29 

17 

28

720

February

200 

210 

200 

180 

180

180 

170 

190 

210 

200

180 

180 

200 

210 

220

230 

230 

220 

200 

170

140 

150 

150 

140 

160

200 

240 

220

5,360

> 24 

> 19 

> 16

. 

\:

-

12 

10 

9

6

7

251

December

Mean 

discharge 

(cfs)

135 

170 

200 

250 

280

300 

250 

200 

160 

180

200 

200 

180 

180 

200

180 

170 

160 

180 

210

220 

220 

230 

240 

250

250 

210 

150 

170 

190 

210

6,325

Suspended sediment

Mean 

concentration 

(ppm)

\ 28 

S 28

> 20

--

Tons 

per 

day

26

25 

15 

14 

15

11

541

March

210 

200 

210 

220 

210

190 

220 

250 

280 

320

400 

700 

1,500 

1,000 

800

650 

550 

500 

500 

450

350 

370 

400 

450 

550

400 

350 

350 

400 

500 

650

14,130

610 

620 

625

1,320 

2,900 

3,420 

1,460 

1,020

700 

280 

325 

320 

175

120 

120 

210 

260 

240

525 

630 

675 

670 

965 

1.090

--

10

412 

469 

540

1,430 

5,480 

13,900 

3,940 

2,200

1,230 

416 

439 

432 

213

113 

120 

227 

316 

356

567 

595 

638 

724 

1,300 

1,910

38,037

e Estimated.

s Computed by subdividing day.
68 COLORADO RIVER BASIN 

GREEN RIVER BASIN Continued 

YAMPA RIVER NEAR MAYBELL, COLO.--Continued 

Suspended sediment, water year October 1954 to September 1955--Continued

Day

1......

4. ..... 

5. .....

6. .....

7. .....

8. .....

9. .....

10......

11......

12. .....

15. ..... 

16......

17. .....

18. .....

20. .....

21......

22......

24. .....

25. ..... 

26......

27......

28......

30. .....

31......

Total.

2. ..... 

3...... 

4...... 

5......

6. .....

8......

NX ..... 

11......

13...... 

14. .....

15......

19. ..... 

20. .....

91

22

23. ..... 

24. ..... 

25. .....

26...... 

27. ..... 

28. ..... 

29. ..... 

30. ..... 

31...... 

Total.

April

Mean 

discharge 

(cfs)

750 

700 

800 

650 

550

500 

500 

726 

929 

1,220

1,560 

1,820 

1,350 

1,280 

1,610

2,360 

3,720 

4,060 

3 930 

3^470

2,140 

2,400 

2,910 

2,500 

2,100

2,500 

3,720 

4,100 

2,700 

2,700

60,255

Suspended sediment

Mean 

concentration 

(ppm)

955 

925 

935 

785 

715

420 

380 

350 

1,550 

1,950

1,520 

1,420 

1,440 

1,460 

1,460

1,450 

1,450 

1,470 

1,180 

1,100

650 

535 

540 

270 

200

750 

770 

800 

415 

310

--

Tons 

per 

day

1,930 

1,750 

2,020 

1,380 

1,060

567 

513 

686 

3,890 

6,420

6,400 

6,980 

5,250 

5,050 

6,350

9,240 

14, 600 

16,100 

12,500 

10, 300

3,760 

3,470 

4,240 

1,820 

1,130

5,060 

7,730 

8,860 

3,030 

2,260

154,346

July

1,430 

1,230 

1,090 

1,020 

950

866 

754 

663 

582 

516

486 

464 

436 

430 

400

340 

302 

280 

256 

226

226 

188 

167 

164 

161

177 

188 

442 

415 

410 

345

15,604

> 17 

> 14 

> 19 

> 8

> 17

Total discharge for year (cfsTotal load for year (tons)

50 

22 

19 

4

14

668

May

discharge 

(cfs)

3,200 

4,400 

5,260 

4,180 

3,390

3,540 

4,300 

5,540 

6,370 

5,480

4,540 

4,920 

5,710 

6,070 

6,350

6,900 

6,310 

4,780 

4,240 

4,010

4,920 

'5,730 

6,000 

5,640 

5,250

5,230 

4,890 

4,240 

3,490 

3,120 

3,310

151,310

Suspended sediment

Mean 

concentration 

(ppm)

355 

355 

310 

330 

315

990 

1,200 

1,020 

1,360 

1,300

460 

235 

425 

425 

395

360 

315 

195 

115 

100

195 

225 

225 

150 

130

120 

135 

90 

75 

85 

90

"

Tons 

per 

day

3,070 

4,220 

4,400 

3,720 

2,880

9,460 

13,900 

15,300 

23,400 

19,200

5,640 

3,120 

6,550 

6,970 

6,770

6,710 

5,370 

2,520 

1,320 

1,080

2,590 

3,480 

3,640 

2,280 

1,840

1,690 

1,780 

1,030 

707 

716 

804

166,157

August

298 

280 

260 

240 

256

316 

469 

365 

400 

385

335 

284 

252 

248 

226

219 

233 

244 

226 

219

198 

170 

155 

143 

164

174 

161 

202 

219 

180 

155

7,676

L 104

253 

760 

515 

310 

140

60 

> 34 

30

1"

341

655 

320 

95 

60 

40 

30

--

75

S259 

962 

508 

335 

146

54 

22

18 

12

s229

308 

139 

52 

35 

19 

13

3,666

June

Mean 

discharge 

(cfs)

4,010 

4,320 

4,080 

3,660 

3,540

3,170 

3,170 

3,360 

4,240 

4,620

3,860 

3,640 

4,030 

3,860 

3,980

3,910 

3,640 

4,120 

3,390 

3,230

3,150 

2,970 

2,970 

2,990 

2,850

2,460 

2,080 

1,980 

1,770 

1,610

100, 660

Suspended sediment

Mean 

concentration 

(ppm)

135 

135 

100 

45 

50

> 82

109

109 

187

> 35

..

--

Tons 

per 

day

1,460 

1,570 

1,100 

445 

478

828

a 900 

a 1,000 

a 1,100 

1,170

1,150 

1,840 

a 2, 000

295 

121

21,677

September

135 

125 

115 

102 

93

87 

81 

70 

62 

52

48 

46 

46 

43 

44

42 

39 

37 

38 

57

60 

49 

50 

52 

62

81 

75 

70 

77 

77

2,015

> 28 

» 26 

> 20 

> 65 

> 31

--

lays) ............................................................

8 

4 

2 

10 

6

178

389,507 

401,893

s Computed by subdividing day.

a Computed from water-sediment discharge curve.
GREEN RIVER BASIN Continued 

YAMPA RIVER NEAR MAYBELL, COLO.--Continued

Particle-size analyses of suspended sediment, water year October 1954 

(Methods of analysis: B, bottom withdrawal tube; D, decantation; P, pipette; 

W, in distilled water; C, chemically dispersed; M, mechanical

Date 

of 

collection

May 23, 1955 .... 

June 19. .........

Time

5:00 p. m. 

6:30 p. m.

Discharge 

(cfs)

5,860 

3,150

Water 

temperature 

(°F)

54 

62

Suspended sed

Concentration 

of sample 

(ppm)

247 

46

Concentration 

of suspension 

analyzed 

(ppm)

3,960 

820

Percent fine

0.002 0.004

37 

50

0.008 0.016

57 

69
GREEN RIVER BASIN Continued

LITTLE SNAKE RIVER NEAR LILY, COLO.

LOCATION. About 2 miles upstream from gaging station, which is 6 miles north of Lily, Moffat County, 

DRAINAGE AREA.--3,730 square miles approximately (above gaging station). 

RECORDS AVAILABLE. Chemical analyses: December 1950 to September 1955.

Water temperatures: December 1950 to September 1955. 

EXTREMES, 1954-55.--Dissolved solids: Maximum, 2,330 ppm July 24; minimum, 124 ppm May 11-20.

Hardness: Maximum, 1,340 ppm July 24; minimum, 74 ppm May 11-20.

Specific conductance: Maximum daily, 2,670 micromhos July 24; minimum daily, 150 micromhos May 18.

Water temperatures: Maximum, 88°F July 17; minimum, freezing point on many days during November to 

EXTREMES, 1950-55. Dissolved solids (1950-51, 1952-55): Maximum, 2,330 ppm July 24, 1955; minimum, 

Hardness (1950-51, 1952-55): Maximum, 1,340 ppm July 24, 1955; minimum, 66 ppm June 11-20, 1953.

Specific conductance (1950-51, 1952-55): Maximum daily, 2,670 micromhos July 24, 1955; minimum dail

Water temperatures: Maximum, 88°F July 17, 1955; minimum observed, freezing point on many days duri

REMARKS. Values reported for dissolved solids are residues on evaporation. Records of specific condu

at Salt Lake City, Utah. Records of discharge for water year October 1954 to September 1955 given 

Chemical anal

Date of collection

Oct. 1-10, 1954. ... 

Oct. 11-12, 14-20..

Oct. 1-31 ........

Nov. 1-10 .........

Nov. 11-20 ........

Nov. 29-30, Dec.1-10 

Dec. 11-20 .......

Dec. 21-31 .......

Jan. 1-10, 1955 ... 

Jan. 11-20..... ...

Jan. 21-31........

Feb. 11-19 .......

Feb. 20-28 .......

Mean 

discharge 

(cfs)

29. 1 

57.3 

107 

44.6 

57.2 

68.0 

70.4 

72. 7

60. 5 

62.7 

59.0 

56. 5 

55.5 

56.5 

62.2 

58.3

Silica 

(Si02)

15 

16 

20 

15 

16 

16 

19 

20

22 

23 

20 

24 

23 

23 

22 

21

Iron 

(Fe)

Calcium 

(Ca)

75 

50 

74 

51 

54 

52 

52 

65

66 

70 

60 

56 

54 

54 

54 

54

Magnesium 

(Mg)

19 

12 

19 

16 

16 

15 

14 

18

18 

18 

16 

15 

14 

14 

14 

14

Sodium 

(Na)

181 

105 

2 

92 

77 

70 

63 

88

76 

75 

68 

57 

52 

54 

54 

54

fses, in parts per million, water year October 1954 to Sep

Potassium 

(K)

4.2 

3.0 

37 

2.1 

2. 1 

2.1 

2.1 

2.7

2.5 

2. 5 

2.4 

2. 1 

2.3 

1.9 

2. 1 

2.1

Bicarbonate 

(HCO,)

246 

226 

358 

226 

226 

220 

213 

257

266 

276 

240 

232 

220 

222 

222 

219

Sulfate 

(SOJ

354 

168 

314 

162 

140 

126 

115 

167

141

145 

132 

109 

97 

100 

105 

97

Chloride 

(Cl)

64 

31 

110 

29 

26 

23 

20 

30

24 

24 

20 

18 

16 

16 

18 

16

Fluoride 

(F)

Nitrate 

(NO,)

0.9 

1.4 

2.0 

1.0 

.9 

. 5 

.7 

.5

.4 

.4 

.5 

.4 

.6 

.6 

1.0 

.6

Boron 

(B)

0.12 

.07

.03 

.06 

.07

Pa

p

m

li

a 

a Sum of determined constituents.
Mar. 1-6, 10, 1955

Apr. 11-15, 17-20..

July 11, 13, 19-20 . 

July 12, 14-18 ..... 

July 21-23, 27 .....

July 25-26, 28-31 ..

Aug 21 31

Sept. 21-24, 27 .... 

Sept. 25-26, 28-30.

Weighted average

94.3 

103

273

383

572

1,563

1,507

1,230

564

23.0 

86.0 

54.0

43.8

7 5

1 9

5.2 

5.5

c329

22

16

15

19 

21 

25

9ft

22 

23

25

23

27

16 

14

16

47

43

39

en

89 

130 

91 

473

112

90

74 

76

33

12 

15

11

11

9

C

17 

24 

14 

39

17

20

19

14 

14

7.6

54

56

OQ

13

103 

181 

97 

194

211

151

124

101 

215

29

2.2 

3 2

2 2

2 9

2.2

3 1

6.4 

10

7.7

rj c

4 3

5 2

5.2 

6.8

1.3

193

175

QC

no

204

214 

230 

240

209

252

232

2 12

234

230

178 

212

127

92

ftft

113

104 

56

9ft

23

24

37

278 

486 

232

506 

389

QC1

356

308

267 

421

57

19

27

14

3 0

2 4

3 4

46 

106 

40

81

52

52

53

31

78

9.6

1. 1 

1 3

1 9

1 3

1 3

1.4 

1 9

1 3

5

.6 

. 5 

.8

2.0

2

O

.8 

1.5

0.9

"

04

.04

02

.07 

.09

--

21 '

13

--

--

34

35

33

1

68

1,09

64

a 2 33

1, 10

74

59

93

22

a Sum of determined constituents.

b Not included for computation of weighted averages.

c Represents 99 percent of runoff for water year October 1954 to September 1955.
72 COLORADO RIVER BASIN 

GREEN RIVER BASIN Continued

LITTLE SNAKE RIVER NEAR LILY, COLO.--Continued 

Temperature (*F) of water, water year October 1954 to September 1955

Day

1

2

3

4

5

6

7

8

9

10

11

12

13

14

15

16

17

18

19

20

21

22

23

24

25

26

27

28

29

30

31

Average

Oct.

43

45

50

50

50

47

52

55

51

47

42

44

45

34

34

36

42

44

46

49

48

50

49

46

39

39

32

35

49

33

32

44

Nov.

52

34

38

33

32

32

34

32

32

32

32

34

42

37

37

40

35

35

34

33

35

35

35

32

34

35

32

32

32

--

36

Dec.

32

32

33

32

32

33

33

32

32

32

32

32

32

32

32

32

32

32

32

32

32

32

32

32

32

32

32

32

32

32

32

32

Jan.

32

32

32

32

32

32

32

32

32

32

32

32

32

32

32

32

32

32

32

32

32

32

32

32

32

32

32

32

32

32

32

32

Feb.

32

32

32

32

32

32

32

32

32

32

32

32

32

32

32

32

32

32

32

32

32

32

32

32

32

32

32

32

_

--

32

Mar.

32

32

32

32

32

32

32

32

32

32

32

33

33

32

32

32

32

32

34

32

33

32

33

32

32

32

33

34

36

._

32

32

Apr.

34

35

32

32

32

32

32

40

40

49

38

38

40

48

44

41

45

44

41

39

45

43

44

47

49

49

45

47

43

45

--

41

May

50

46

45

54

50

51

53

53

51

48

50

51

54

51

50

46

48

48

49

53

57

54

52

53

52

53

51

47

50

54

54

51

June

52

50

51

50

52

«3

55

60

55

53

55

62

58

59

58

60

57

58

60

60

60

63

65

61

60

59

60

56

58

54

--

57

July

55

73

72

74

78

74

72

68

74

78

78

74

80

80

87

87

88

62

66

67

..

65

63

65

70

65

__.

65

65

77

68

72

Aug.

72

-.

72

71

68

66

70

65

65

69

65

62

64

68

68

62

65

65

71

70

64

75

75

63

64

61

65

63

62

61

71

67

Sept.

80

57

60

63

62

57

56

68

55

55

54

52

55

55

56

54

56

54

49

56

44

55

50

52

54

49

45

48

46

45

55
GREEN RIVER BASIN 73

GREEN RIVER BASIN--Continued 

GREEN RIVER NEAR JENSEN, UTAH

LOCATION. At gaging station, 1 mile downstream from Cub Creek, and Chew Ranch, 4 miles 

southeast of Dinosaur National Monument headquarters, 6| miles northeast of Jensen, 

Uintah County, and 12 miles upstream from Brush Creek. 

RECORDS AVAILABLE.--Water temperatures: Qctober 1952 to September 1955.

Sediment records: May 1948 to September 1955. 

EXTREMES, 1954-55.--Water temperatures: Maximum, 74°F Aug. 2, 14; minimum, freezing

point on several days during January and February. 

Sediment concentrations: Maximum daily, 15,000 ppm Aug. 27: minimum daily, 26 ppm

July 11-12. 

Sediment loads: Maximum daily, 146,000 tons Apr. 19; minimum daily, 82 tons on

many days. 

EXTREMES, 1948-55. Water temperatures (1952-55): Maximum, 80°F June 23, 24, July 18-20,

1954; minimum, freezing point on several days during winter months. 

Sediment concentrations: Maximum daily, 15,800 ppm Apr. 9 1952; minimum daily, 9 ppm

Oct. 7-11, 1953. 

Sediment loads: Maximum daily, 567,000 tons Apr. 9, 1952; minimum daily 19 tons

Oct. 7-11, 1953. 

REMARKS.--Records of chemical analyses from June 1947 to September 1952 and water

temperatures from March 1949 to September 1952 for Green River at Jensen available in 

prior Water-Supply Papers. Records of discharge for water year October 1954 to 

September 1955 given in WSP 1393.

Temperature (°F) of water, water year October 1954 to September 1955

Day

1

2

3

4

5

6

7

8

9

10

11

12

13

14

15

16

17

18

19

20

21

22

23

24

25

26

27

28

29

30

31

Average

Oct.

50

50

56

56

56

56

57

59

53

_

63

43

43

43

45

45

45

44

46

42

41

40

-.

.-

--

Nov.

..

46

38

38

40

40

40

40

--

43

45

46

40

40

41

40

40

41

41

41

40

41

41

41

39

38

38

--

41

Dec.

.-

36

35

35

35

34

34

34

34

34

34

34

34

34

34

34

33

33

33

33

33

33

33

33

33

33

_

33

33

._

--

34

Jan.

32

32

33

33

33

32

33

33

33

33

33

33

33

33

33

..

33

--

32

_

._

32

--

..

_.

-.

--

Feb.

..

..

32

33

33

33

32

33

33

33

33

33

33

33

33

32

33

33

33

33

33

33

33

33

33

34

33

--

33

Mar.

34

34

34

36

34

35

34

34

35

37

37

37

36

35

35

35

36

38

38

36

37

39

40

40

41

41

42

44

45

38

42

37

Apr.

43

41

38

40

40

41

43

44

45

45

 -

51

50

49

49

45

46

50

44

46

48

50

46

41

52

-.

--

45

May

._

51

53

54

49

50

52

47

52

60

55

54

..

--

59

58

59

"

..

__

60

58

60

--

June

57

57

57

56

57

64

63

64

62

64

63

60

..

64

"

_

65

66

67

"

_

71

68

69

70

70

69

--

July

64

66

67

65

64

63

63

--

67

68

65

65

--

69

68

70

70

70

72

72

69

69

68

71

70

69

70

68

Aug.

-.

74

70

70

70

70

70

71

66

74

_

68

66

70

66

70

--

69

71

--

Sept.

-.

60

60

61

60

61

65

64

65

67

67

61

61

66

--

--

60

60

59

65

67

_

57

--
COLORADO RIVER BASIN

GREEN RIVER BASIN Continued

GREEN RIVER NEAR JENSEN, UTAH Continued

Suspended sediment, water year October 1954 to September 1955

Day

1......

2. .....

3. .....

6......

7. .....

8. .....

9. .....

10. .....

11......

12. .....

13......

15. .....

16......

19. .....

20. .....

21......

22. .....

23. .....

25. .....

26......

28. .....

29.... ..

30. .....

31. .....

Total .

L..... 

2. ..... 

3...... 

4...... 

5......

6. .....

8......

10. .....

13. .....

15......

18. .....

20. .....

22. ..... 

23. ..... 

24. ..... 

25. .....

26...... 

27. ..... 

28. ..... 

29. . .... 

30. ..... 

31. ..... 

Total .

October

Mean 

discharge 

(cfs)

1,020 

1,000 

1,000 

1,000 

1,040

1,110 

1,040 

1,080 

1,170 

1,220

1,220 

1,360 

1,480 

1,650 

1,670

1,520 

1,440 

1,400 

1,360 

1,390

1,360 

1,350 

1,320 

1,280 

1,250

1,220 

1,190 

1,190 

1,210 

1,260 

1,240

39, 040

Suspended sediment

Mean 

concentration 

(ppm)

180 

180 

150 

330 

600

210 

235 

976 

1,680 

550

480 

620 

840 

1,100 

1,110

1,450 

1,220 

1,160 

1,030 

890

345 

165 

165 

170 

160

95 

100 

100 

100 

100 

100

-

Tons 

per 

day

496 

486 

a 400 

891 

1,680

629 

660 

s3, 290 

5,310 

1,810

a 1,600 

a 2, 300 

a 3, 400 

a4, 900 

5,000

5,950 

4,740 

4,380 

3,780 

3,340

1,270 

601 

588 

588 

540

313 

a320 

a 320 

a 330 

a 340 

a 330

60,582

January

620 

800 

910 

870 

820

750 

660 

580 

520 

500

490 

500 

530 

540 

550

540 

520 

490 

480 

480

500 

580 

640 

680 

630

580 

550 

530 

520 

560 

620

18,540

51 

160 

70

59 

119

--

111

324 

104

82

e!20 

e!60 

218 

el80

e!50 

e!20 

elOO 

e84 

e98 

e!20

3,569

November

Mean 

discharge 

(cfs)

1,230 

1,260 

1,280 

1,260 

1,230

1,220 

1,220 

1,220 

1,200 

1,190

1,190 

1,200 

1,160 

1,110 

1,110

1,160 

1,280 

1,310 

1,330 

1,310

1,290 

1,290 

1,280 

1,240 

1,200

1,220 

1,240 

1,220 

1,110 

953

36,513

Suspended sediment

Mean 

concentration 

(ppm)

100 

100 

103 

100 

92

94 

92 

93

72 

96 

91 

150

147 

148 

151 

90 

86

87 

88 

88 

82 

79

80 

80 

78 

79

--

Tons 

per 

day

e330 

340 

356 

340 

306

310 

303 - 

306 

e280 

e260

e240 

233 

301 

273 

450

460 

511 

534 

323 

304

303 

307 

304 

275 

256

264 

268 

257 

237 

e210

9,441

February

700 

770 

820 

750 

700

680 

700 

750 

780 

730

680 

700 

750 

800 

850

850 

820 

760 

720 

690

670 

660 

650 

640 

640

640 

640 

660

20, 200

70 

77 

110 

55 

74

--

e!40 

e!60 

e!80

135 

151 

242 

101 

129

4,270

December

Mean 

discharge

(cfs)

615 

545 

582 

600 

580

570 

560 

560 

550 

550

550 

560 

600 

610 

570

530 

520 

510 

510 

500

500 

510 

530 

550 

570

560 

460 

330 

370 

450 

520

16,522

Suspended sediment

Mean 

concentration 

(ppm)

87 

72 

72 

348

85

--

Tons 

per 

day

e!40 

135

108 

112

477

111

e85 

e84

5,357

March

680 

700 

730 

750 

800

860 

930 

1,010 

1,120 

1,200

1,410 

1,690 

2,380 

4,500 

3,700

3, 170 

2,370 

2,050 

1,920 

1,820

1,400 

1,420 

1,590 

1,630 

1,670

1,570 

1,420 

1,560 

1,620 

1,730 

2.010

51,410

75

70

250

625 

820 

2,150 

3,530 

2,960

2,520 

2,220 

1,480 

1,170 

615

500 

500 

500 

425 

520

550 

525 

540 

530 

700 

1,720

--

148

185

810

2,380 

3,740 

13,800 

42,900 

29,600

21,600 

14, 200 

8,190 

6,070 

3,020

1,890 

1,920 

2,150 

1,870 

2,340

2,330 

2,010 

2,270 

2,320 

3,270 

9,330

179,490

e Estimated.

s Computed by subdividing day.

a Computed from estimated concentration graph.
GREEN RIVER BASIN

GREEN RIVER BASIN Continued

GREEN RIVER NEAR JENSEN, UTAH Continued

75

Suspended sediment, water year October 1954 to September 19 55 --Continued

Day

1......

2......

3. .....

4. .....

5. .....

6. .....

7. .....

8. .....

9. .....

10. .....

11......

15. .....

17. .....

18. .....

20. .....

22. .....

24. .....

25. .....

26......

28. .....

29......

30. .....

31......

Total .

3. ..... 

4...... 

5.... ..

8. .....

10. .....

13

16. .....

19

26. ..... 

27. ..... 

28. ..... 

29. ..... 

30. ..... 

31...... 

Total .

April

Mean 

discharge 

(cfs)

2,160 

2,630 

2,600 

2,600 

2,560

2,250 

2,130 

2,250 

2,630 

3,060

3,410 

3,980 

4,610 

3,980 

3,900

4,900 

6,720 

7,340 

7,730 

7,570

7,440 

5,490 

5,040 

5,560 

5,340

4,770 

4,710 

5,980 

7,440 

5,840

136,620

Suspended sediment

Mean 

concentration 

(ppm)

2,130 

2,960 

4,100 

2,680 

1,840

1,340 

1,050 

1,500 

2,600 

3,220

3,420 

3,400 

4,100 

3,700 

3,000

3,720 

6,600 

5,500 

7,000 

3,900

4,180 

3,700 

1,840 

2,080 

2,000

1,800 

1,070 

2,800 

3,120 

2,800

-

Tons 

per 

day

12, 400 

21,000 

28, 800 

18,800 

12,700

8,140 

6,040 

a9,100 

a 18, 000 

26, 600

31,500 

36, 500 

a 51, 000 

a 40, 000 

31,600

49, 200 

120, 000 

a 110, 000 

146, 000 

79,700

84, 000 

54, 100 

52,300 

31,200 

28, 800

23,200 

13,600 

a 45, 000 

62, 700 

a 44, 000

1,295,980

July

6,620 

6,010 

5,38C 

4,890 

4,420

3,980 

3,620 

3,240 

2,930 

2,670

2,510 

2,410 

2,720 

2,470 

2,330

2,220 

2,140 

1,980 

1,870 

1,740

1,680 

1,650 

1,630 

1,670 

1,840

1,860 

2,310 

2,780 

2,600 

2,800 

2,600

89,570

370 

126

100 

80 

50

] 26

1,020 

1,180 

960

755 

680 

520 

230

78

1,000 

3,800

1,600 

4,270 

7,200 

6,400 

5,030 

4,460

--

Total discharge for year (cfsTotal load for year (tons). . . .

6,610 

1,600

e870 

e630 

e360

172

7,490 

7,870 

a 6, 000

4,530 

3,930 

a2,800 

a 1,200

353

4,510 

18,900

8,040 

s 30, 400 

54, 000 

44, 900 

38,000 

31,300

283,696

May

discharge 

(cfs)

5,290 

5,650 

7,390 

8,980 

7,570

6,650 

6,780 

7,650 

9,310 

10,700

9,730 

8,620 

8,920 

9,730 

10, 100

10, 500 

11,300 

10,900 

9,340 

8,620

7,920 

8,620 

9,510 

9,790 

10, 400

11,100 

11,700 

11,600 

10,900 

9,510 

8,320

283,100

Suspended sediment

Mean 

concentration 

(ppm)

2,100 

1,660 

1,750 

2,200 

1,500

1,480 

1,400 

1,240 

1,500 

2,050

1,480 

1,200 

1,300 

1,000 

810

1,100 

1,500 

1,500 

1,200 

1,220

1,300 

1,020 

1,140 

1,800 

1,900

1,800 

1,400 

875 

720 

670 

640

--

Tons 

per 

day

a 30, 000 

25,300 

34,900 

53,300 

a 31, 000

26, 600 

25,600 

25,600 

a 38, 000 

59, 200

38,900 

a 28, 000 

31,300 

26,300 

22,100

aSl.OOO 

a 46, 000 

a44,000 

a 30, 000 

28, 400

27,800 

23,700 

29, 300 

a48,000 

a 53, 000

a54,000 

a 44, 000 

27,400 

21,200 

17,200 

314,000

1,035,100

August

2,580 

2,460 

2,360 

2,080 

1,920

1,790 

1,770 

1,890 

2,130 

2,270

1,970 

1,880 

1,820 

1,700 

1,870

1,670 

1,580 

1,670 

1,770 

1,650

1,560 

1,500 

1,460 

1,410 

1,450

2,070 

2,340 

1,710 

1,380 

1,290 

1,320

56,320

4,100 

1,120 

1,100 

1,300 

1,200

300 

300 

2,000 

4,300 

8,100

2,560 

4,820 

3,000 

1,000 

7,400

6,300 

5,600 

7,500 

8,800 

6,120

3,850 

1,500 

1,300 

3,270 

3,860

12,400 

15,000 

7,300 

2,400 

1,250 

1.700

a 29, 000 

7,440 

7,010 

7,300 

6,220

1,450 

al,400 

a 10, 000 

a 25, 000 

49,600

13,600 

24, 500 

a 15, 000 

4,590 

sa40, 000

328,000 

a 24, 000 

334,000 

342,000 

27, 300

16,200 

6,080 

5,120 

12,400 

8315,000

872,600 

395,000 

334,000 

38,900 

4,350 

a6.100

673, 160

June

Mean 

discharge 

(cfs)

7,730 

7,970 

8,350 

8,320 

8,350

8,730 

8,810 

8,030 

7,840 

8,240

9,030 

8,380 

9,060 

10,200 

10, 400

11,200 

11,600 

11,400 

11,700 

11,300

10,600 

10,000 

9,230 

8,730 

8,460

8,350 

8; 030 

7,700 

7,550 

7,180

272,470

Suspended sediment

Mean 

concentration 

(ppm)

725 

765 

765 

325 

210

565 

475 

210 

270 

320

285 

240 

440 

900 

830

680 

675 

765 

800 

800

760 

730 

675 

440 

170

160 

155 

145 

170 

200

--

Tons 

per 

day

15, 100 

16,500 

17,200 

7,300 

4,730

13,300 

11,300 

4,550 

5,720 

7,120

6,950 

5,430 

a 11, 000 

24, 800 

a 23, 000

a21,000 

21,100 

23,500 

25, 300 

a 24, 000

a 22, 000 

a 20, 000 

16,800 

a 10, 000 

3,880

3,610 

3,360 

3,010 

3,470 

a 3, 900

378,930

September

1,250 

1,190 

1,130 

1,070 

1,030

993 

938 

908 

870 

835

807 

787 

761 

742 

723

711 

699 

693 

699 

705

705 

711 

693 

711 

699

705 

693 

814 

1,060 

1,040

25,372

960 

380 

495 

685 

320

, 190 

85

70 

75

75 

75 

70 

80 

380

465 

470 

460 

240 

150

160 

160 

390 

640 

625

--

a 3, 200 

1,220 

1,510 

1,980 

890

509 

194

a 140 

a 150

144 

a 140 

a!30 

a!50 

3720

885 

902 

861 

461 

283

3305 

a 300 

a 860 

31,800 

1,760

20, 658

1,045,677 

3,950,233

e Estimated. a Computed from estimated concentration graph, 

s Computed by subdividing day.
GREEN RIVER BASIN Continued 

GREEN RIVER NEAR JENSEN, UTAH Continued

Particle-size analyses of suspended sediment, water year October 1954 

(Methods of analysis: B, bottom withdrawal tube; D, decantation; P, pipette; 

W, in distilled water; C, chemically dispersed; M, mechanicall

Date 

of 

collection

Oct. 15, 1954 .... 

Nov. 2 ..........

Apr. 15, 1955. ...

May 13 ..........

July 1 ...........

Sept. 30 .........

Time

3:00 p.m. 

1:00 p.m. 

2:00 p.m. 

4:00 p.m. 

1:30 p.m.

12:45 p.m. 

12:55 p.m. 

2:05 p.m. 

9:00 a.m.

9:30 a.m. 

3:00 p.m. 

11:00 a.m.

Discharge 

(cfs)

1,640 

1,270 

a 520 

3,840 

7,680

8,890 

7,650 

10, 200 

6,600

1,900 

1,280 

1,050

Water 

temperature 

(°F)

63 

46 

32 

51 

52

60 

58 

64 

64

73 

71 

57

Suspended sed

Concentration 

of sample 

(PPm)

1,060 

96 

199 

3,140 

3,080

1,360 

702 

981 

378

5,140 

1,040 

587

Concentration 

of suspension 

analyzed 

(PPm)

4,980 

1,440 

5,480 

4,440 

4,300

3,820 

2,700 

4,960 

867

4,090 

4,250 

3,960

Percent fine

0.002

14

0.004

72 

70 

37 

60 

31

24 

22 

16 

15

82 

73 

76

0.008

19

0.016

88 

81 

64 

80 

49

34 

34 

26 

25

100 

94 

97

a Daily mean discharge.
GREEN RIVER BASIN Continued

WHITE RIVER NEAR WATSON, UTAH

LOCATION. At gaging station, 250 feet downstream from bridge on State Highway 45, 1 mile downstream 

Uintah County .

DRAINAGE AREA. 4,020 square miles, approximately. 

RECORDS AVAILABLE. Chemical analyses: December 1950 to September 1955.

Water temperatures: December 1950 to September 1955. 

EXTREMES, 1954-55. Dissolved solids: Maximum, 1,120 ppm Jan. 16-18; minimum, 274 ppm June 11-20.

Hardness: Maximum, 1,410 ppm Aug. 4; minimum, 171 ppm June 11-20.

Specific conductance: Maximum daily, 4,450 micromhos Aug. 4; minimum daily, 370 micromhos June 12.

Water temperatures: Maximum, 85°F July 16, 17, 20; minimum, freezing point on many days during Dec

EXTREMES, 1950-55. Dissolved solids: Maximum, 1,450 ppm Aug. 1, 1953; minimum, 230 ppm June 21-30, 

Specific conductance: Maximum daily, 4,450 micromhos Aug. 4, 1955; minimum daily, 319 micromhos Ju

Water temperatures: Maximum, 88°F Aug. 8, 1954; minimum, freezing point on many days during winter 

REMARKS. Values reported for dissolved solids are residues on evaporation. Records of specific cond

Salt Lake City, Utah. Records of discharge for water year October 1954 to September 1955 given in 

Chemical analyses, in parts per million, water year October 1954 to S

Date of collection

Oct. 1-8, 10, 1954.

Jan. 1-10, 1955... 

Jan. 11-15, 19-20.

Jan. 21-31 .......

Feb. 21-22, 26-28

Mean 

discharge 

(ds)

448 

1.280 

401 

366 

343 

347 

318

337 

274 

268 

259 

243 

247 

274

325 

358 

334 

320 

465 

1,282 

549

Silica 

(Si02 )

15

16 

16 

16 

15 

15

16 

16 

20 

19 

22 

32 

19

19 

19 

19 

29 

15 

11 

15

Iron 

(Fe)

Calcium 

(Ca)

85

77 

75 

81 

82 

78

82 

92 

90 

81 

87 

141 

80

76 

82 

82 

130 

66 

66 

85

Magnesium 

(Mg)

27

27 

28 

29 

32 

32

34 

31 

30 

25 

26 

45 

24

24 

25 

26 

44 

21 

25 

30

Sodium 

(Na)

80

78 

85 

87 

97 

99

100 

108 

114 

100 

109 

175 

98

91 

100 

95 

175 

81 

77 

100

Potassium 

(K)

3.2

3.2 

2.0 

2.0 

3.3 

2. 8

2.5 

2.5 

3.6 

2.2 

2.2 

5.4 

2.1

2.2 

2.2 

2.0 

4.4 

2.8 

4.2 

3.7

Bicarbonate 

(HCO,)

232 

334 

226 

226 

241 

236 

244

249 

253 

245 

234 

250 

405 

231

221 

234 

228 

376 

208 

195 

244

Sulfate 

(SO,)

200 

521 

177 

191 

188 

218 

208

227 

230 

228 

194 

204 

343 

187

178 

197 

192 

350 

172 

207 

252

Chloride 

(Cl)

65 

30 

65 

71 

76 

82 

83

82 

97 

106 

88 

97 

156 

89

82 

92 

91 

160 

59 

50 

71

Fluoride 

(F)

Nitrate 

(NO,)

2.6 

2.4 

4.7 

.8 

.9 

7.6 

7.7

4.3 

1.4 

16 

2.7 

3.0 

5.4 

2.4

2.7 

1.8 

1.5 

4.3 

4.3 

3.6 

2 9

Boron 

(B)

0.08 

.09

.09 

.06

.09 

.08

Pa

p

m

li

1

a Not included for computation of weighted average.
GREEN RIVER BASIN--Continued

WHITE RIVER NEAR WATSON, UTAH--Continued 

Chemical analyses, in parts per million, water year October 1954 to Septemb

Date of collection

Apr. 1-10, 1955 ..

June 11-20 .......

July 11-20 .......

July 21-24, 27-31 .

Aug. 1-3, 5-10 .. .

Sept. 11-20 ......

Sept. 21-30.......

Weighted average

Mean 

discharge 

(cfs)

438 

561 

568 

1,081 

1,605 

1,546

1,412 

1,645 

757 

350 

193 

212 

240

353 

338 

346 

308 

219 

177 

228

b536

Silica 

(Si02)

16 

16 

15 

17 

15 

14

14 

14 

15 

16 

20 

20 

18

21 

21 

19 

17 

18 

17 

17

16

Iron 

(Fe)

Calcium 

(Ca)

82 77 ' 

70 

56 

50 

52

49

47 

58 

72 

78 

81

86 

283 

94 

103 

77 

79 

94

68

Magnesium 

(Mg)

32 

30 

26 

18 

16 

17

15 

13 

17 

23 

31 

33

30 

170 

35 

32 

32 

33 

31

23

Sodium 

(Na)

105 

97 

80 

42 

30 

25

26 

24 

42 

67 

97 

97

107

102 

119 

105 

110 

99

67

Potassium 

(K)

3. 7 

3.7 

2.5 

2. 5 

1.9 

1.9

1.7 

1.9 

2.2 

2.7 

3.2 

3.2

4.3

4.6 

6.3 

3.1 

3.1 

3.1

2.7

Bicarbonate 

(HC03 )

242 

262 

220 

184

172 

173

157 

149 

180 

220 

204 

224 

314

270 

736 

244 

246 

226 

217 

224

205

Sulfate 

(S0«)

254 

223 

194 

110 

80 

69

75 

69 

104 

153 

230 

236 

916

253 

2,160 

283 

307 

225 

237 

260

159

Chloride 

(Cl)

72 

60 

58 

32 

22 

21

24 

22 

35 

59 

88 

86 

82

58 

73 

72 

82 

92 

101 

90

53

Fluoride 

(F)

Nitrate 

(NO,)

7.2 

2.9 

2.3 

4.0 

2.9 

13

1.5 

5.3 

4.7 

2.7 

3.3 

1.5 

.4

2.3 

1.9 

1.9 

6.9 

2.1 

3.0 

2.9

4.5

Boron 

(B)

0.08 

.07

.04

.11 

. 12 

.42

.16 

.06

--

P

p

m

l

a Not included for computation of weighted average.

b Represents 99 percent of runoff for water year October 1954 to September 1955.
GREEN RIVER BASIN 79

GREEN RIVER BASIN Continued 

WHITE RIVER NEAR WATSON, UTAH--Continued

Temperature (°f) of water, water year October 1954 to September 1955 

/Once-daily measurement at approximately 3:30 p. mj

Day

1

2

3

4

5

6

7

8

9

10

11

12

13

14

15

16

17

18

19

20

21

22

23

24

25

26

27

28

29

30

31

Average

Oct.

55

60

58

62

60

_

62

65

58

60

58

55

55

52

50

50

55

50

52

55

52

52

52

48

48

48

45

45

40

42

42

53

Nov.

40

40

42

42

44

40

40

40

42

40

40

45

40

42

44

40

40

40

40

39

39

40

42

40

40

42

40

38

38

41

Dec.

35

32

38

36

34

34

32

38

32

38

36

32

32

32

32

34

32

32

32

34

32

32

33

32

34

32

32

32

32

32

32

33

Jan.

32

34

34

32

32

34

32

32

32

32

32

32

32

32

34

32

32

32

32

32

32

32

32

32

32

32

32

32

32

32

32

32

Feb.

32

32

32

32

32

32

31

31

31

31

31

31

32

31

32

32

32

32

32

31

31

31

31

31

31

34

35

33

32

Mar.

34

34

33

33

32

35

34

32

35

36

35

35

36

34

32

36

36

38

36

32

31

35

38

40

38

38

40

38

38

40

38

36

Apr.

36

31

32

31

38

38

40

40

48

42

40

40

45

45

48

50

50

48

48

48

50

50

55

50

46

48

50

55

50

50

--

45

May

52

50

48

56

58

52

52

55

55

56

60

60

58

55

52

50

52

58

60

62

60

58

58

60

60

60

58

60

62

62

58

57

June

58

56

55

64

66

68

68

66

62

50

60

65

60

65

65

60

65

68

70

70

70

68

70

68

68

70

68

70

68

68

--

65

July

70

75

72

75

75

70

72

70

72

78

75

78

80

80

80

85

85

80

80

85

82

82

82

81

80

80

81

80

80

80

80

78

Aug.

80

84

80

80

78

78

78

75

75

75

75

78

75

74

76

72

70

78

76

75

78

80

75

72

72

72

72

74

72

70

65

75

Sept.

66

68

70

75

72

74

76

72

70

64

62

62

68

70

70

68

64

64

65

62

60

60

60

65

62

60

58

54

60

64

66
80 COLORADO RIVER BASIN

GREEN RIVER BASIN Continued 

GREEN RIVER NEAR OURAY, UTAH

LOCATION. At gaging station, 2f miles upstream from Willow Creek and 3 miles southwest

of Ouray, Uintah County.

RECORDS AVAILABLE. Chemical analyses: December 1950 to September 1952. 

Water temperatures: December 1950 to September 1955 (discontinued). 

Sediment records: December 1950 to September 1955 (discontinued).

REMARKS. Records of discharge for water year October 1954 to September 1955 given in 

WSP 1393.

Temperature (°F) of water, water year October 1954 to September 1955

Day

2

3 

4

8

12

10

15 

16

17

1 51

1 Q

91

22

9°.

24

28 

29

Ofl

31

Average

Oct.

63

64

60

en

53 

54

55

54 

54

45

47

Nov.

-

45 

49

45

45

44 

43

43

43

43

43

43

--

* 

Dec.

33

--

00

-

32--

--

oo

Jan.

-

--

--

32

-

"

32

Feb.

32

--

--

OO

--

--

32

--

Mar.

32

--

--

--

-

--

--

-

Apr.

--

49

--

52

--

51

--

52

May

--

--

57

--

--

--

"

--

June

56

--

"

63

--

70

"

July

-

70

--

--

--

"

"

Aug.

75

--

-

"

Sept.

75

"

--

--

--

--

--

--
GREEN RIVER BASIN 81

GREEN RIVER BASIN Continued 

GREEN RIVER NEAR OURAY, UTAH Continued

Suspended sediment, water year October 1954 to September 1955

Day

1......

5. .....

6. .....

7. .....

8. .....

9. .....

10. .....

12......

13......

16......

20. .....

24. .....

25......

27. .....

28......

30. .....

31. .....

Total .

1. ..... 

2...... 

3...... 

4...... 

5......

8......

10......

13

15. .....

20. .....

91

23

24. ..... 

25......

26. ..... 

27. ..... 

28...... 

29. ..... 

30. ..... 

31...... 

Total.

October

Mean 

discharge 

(cfs)

1,550 

1,550 

1,550 

1,670 

2,070

1,880 

1,770 

1,990 

2,810 

3,120

2,420 

2,110 

1,960 

2,010 

2,110

2,260 

2,260 

2,130 

2,050 

1,980

1,930 

1,910 

1,890 

1,900 

2,640

2,370 

2,060 

2,020 

1,980 

1,960 

1.990

63,900

Suspended sediment

Mean 

concentration 

(ppm)

1,980 

1,570 

1,600 

2,800 

4,600

7,000 

4,810 

7,350 

7,680 

19, 400

16,400 

9,400 

2,550 

2,350 

2,200

2,360 

1,800 

1,610 

2,060 

1,800

1,580 

1,350 

1,130 

1,100 

2,380

2,460 

1,400 

630 

720 

720 

790

--

Tons 

per 

day

8,290 

6,570 

a 6, 700 

12, 600 

25,700

35, 500 

23, 000 

39,500 

s65,300 

163,000

107,000 

53, 600 

13,500 

12,800 

12,500

14,400 

11,000 

9,260 

11,400 

a 9, 600

8,230 

6,960 

5,770 

a 5, 600 

17, 000

15,700 

7,790 

3,440 

3,850 

3,810 

4.240

723,610

January

1,300 

1,450 

1,600 

1,750 

1,600

,500 

,400 

,260 

,180 

,150

,130 

,140 

,180 

1,240 

1,280

1,300 

1,250 

1,150 

1,120 

1,100

,100 

,120 

,180 

,300 

,410

,330 

,250 

,160 

1,100 

1,120 

1,270

39, 420

261 

151

163

--

b850 

. b 1,300

b!80 

b220

c 13, 410

November

Mean 

discharge 

(cfs)

2,040 

2,010 

2,000 

2,010 

2,020

2,000 

1,960 

1,920 

1,910 

1,890

1,840 

1,840 

1,930 

1,980 

1,940

1,920 

1,940 

2,000 

2,050 

2,070

2,050 

2,000 

1,960 

1,950 

1,950

1,930 

1,890 

1,890 

1,890 

1,890

58, 670

Suspended sediment

Mean 

concentration 

(ppm)

720 

720 

710 

740 

660

650 

« 630 

600 

640 

640

590 

580 

820 

730 

730

680 

700 

620 

780 

460

400 

470 

510 

510 

500

522

--

Tons 

per 

day

a 4, 000 

a 3, 900 

a 3, 800 

a 4, 000 

3,600

a 3, 500 

a 3, 300 

a3,100 

a 3, 300 

3,270

a 2, 900 

2,880 

4,270 

3,900 

3,820

3,530 

3,670 

3,350 

4,320 

2,570

2,210 

2,540 

2,700 

2,690 

a 2, 600

2,680

97, 120

February

1,400 

1,550 

1,700 

1,600 

1,500

1,420 

1,400 

1,430 

1,500 

1,600

1,520 

1,450 

1,400 

1,400 

1,490

1,660 

1,760 

1,750 

1,670 

1,500

,430 

,400 

,390 

,390 

,400

,400 

,410 

,430

41,950

214 

158 

110

--

b 1,100

b 1,300 

 b680

c 29, 440

December

Mean 

discharge 

(cfs)

1,810- 

1,680 

1,330 

1,200 

1,250

1,300 

' 1,340 

1,300 

1,230 

1,040

1,030 

1,040 

1,060 

1,150 

1,330

1,310 

1,250 

1,230 

1,200 

1,170

1,150 

1,140 

1,130 

1,150 

1,200

1,300 

1,370 

1,200 

960 

1,050 

1,150

38,050

Suspended sediment

Mean 

concentration 

(ppm)

377

- *

420 

290 

206 

197

-

Tons 

per 

day

b4,400 

b3,500

b 1,500 

b 1,000

bl,200

X b600 

b680

c 41, 080

March

1,460 

1,510 

1,550 

1,580 

1,620

1,670 

1,740 

1,780 

1,850 

2,000

2,250 

3,000 

4,000 

6,500 

6,400

5,800 

5,300 

5,100 

4,750 

4,450

3,950 

3,350 

3,400 

3,500 

4,490

3,860 

3,600 

3,200 

2,800 

2,950 

3.050

102,460

322 

375

2,300 

1,890

-

b 1,200

b 1,700

b6,900 

b 15, 000 

b 26, 000

 b 44, 000

 b 25, 000 

b 16, 000

C 581,900

s Computed by subdividing day.

a Computed from estimated concentration graph.

b Computed on basis of samples obtained about four times a month.

c Partly estimated from water-sediment discharge curve-
COLORADO RIVER BASIN 

GREEN RIVER BASIN--Continued 

GREEN RIVER NEAR OURAY, UTAH--Continued 

Suspended sediment, water year October 1954 to September 1955--Continued

Day

1......

2. ... ..

3. .....

4. ..... 

5. .....

6......

7. .....

8. .....

9. .....

10. .....

11. ... ..

12......

13......

14. .....

15......

16......

17. .....

18. ... ..

19. .....

20. .....

22. .....

24. .....

25......

26......

27......

28......

29. .....

30. ..... 

31......

Total .

3. ..... 

4.... .. 

5......

8. ..... 

g

10.... ..

13. .....

15. .....

18. ..... 

19. .....

*)A

25. .....

26...... 

27...... 

28. ..... 

29. ..... 

30. ..... 

31...... 

Total .

April

Mean 

discharge 

(cfs)

3,200 

3,380 

3,540 

3,800 

3,650

3,600 

3,500 

3,360 

3,250 

3,500

3,900 

4,200 

4,600 

5,400 

5,200

4,900 

5,700 

6,800 

8,300 

8,100

7,900 

7,600 

7,120 

6,390 

6,680

6,700 

6,140 

5,890 

6,650 

8,100

161,050

Suspended sediment

Mean 

concentration 

(ppm)

1,920 

3,940

3,580 

1,850

Tons 

per 

day

 b 21, 000

b 36, 000 

 b 61, 000

 b 52, 000 

b 68, 000

-- |cl,218,000

July

7,810 

7,230 

6,850 

6,020 

5,560

5,100 

4,680 

4,320 

3,950 

3,610

3,340 

3,120 

2,930 

3,010 

2,870

2,710 

2,540 

2,440 

2,320 

2,200

2,080 

1,990 

1,930 

1,910 

1,950

2,340 

2,300 

2,200 

2,860 

3,060 

2,910

108,140

579 

235

274

-

Total discharge for year (cfsTotal load for year (tons). . . .

\ b 9, 300 

. b3, 800 

. b2,300

 b2,000 

 b 1,600

 b4, 200 

bl2,000

c!38, 200

May

Mean 

discharge

(cfs)

7,300 

6,320 

6,680 

8,010 

9,710

8,570 

7,540 

8,010 

9,710 

12,100

13,200 

12,300 

11,300 

11,900 

13,200

13,900 

14,200 

14,100 

13,000 

11,500

11,100 

11,300 

12,600 

13,600 

13,200

13,600 

14,300 

14, 400 

14,100 

13,300 

12,100

356,180

Suspended sediment

Mean 

concentration 

(ppm)

2,920 

4,480

2,740 

2,150

--

Tons 

per 

day

> b 57, 000 

. b72,000

.b 100, 000

^bllO,000

b 56, 000 

b 45, 000

c 2,734, 000

August

2,940 

2,900 

2,820 

2,730 

2,640

2,500 

2,550 

2,680 

2,550 

2,500

2,560 

2,540 

2,310 

2,300 

2,340

2,240 

2,460 

2,220 

2,250 

2,210

2,140 

1,990 

1,850 

1,780 

1,840

3,760 

3,040 

2,860 

2,770 

2,050 

1,830

76,150

1,290

2,560 

3,770

--

bll.OOO 

b 10, 000

 b 14, 000

b 17, 000

b 64, 000 

. b 44, 000

b 24, 000 

h 19, 000

c 560, 000

June

Mean 

discharge 

(cfs)

11,000 

10, 300 

10,200 

10, 500 

10,400

10, 300 

10, 200 

10, 800 

10, 700 

11,300

11,800 

12,600 

11,800 

11,900 

13, 500

13, 300 

13,600 

13,900 

13,700 

13,900

13, 600 

12,900 

12,100 

11,000 

10, 200

9,780 

9,540 

9,110 

8,540 

8,180

340, 650

Suspended sediment

Mean 

concentration 

(ppm)

1,120

1,310 

1,490

824

--

Tons 

per 

day

. b 31, 000

' b 80, 000

 b 22, 000 

b 14, 000

cl, 300,000

September

1,770 

1,730 

1,640 

1,550 

1,480

1,390 

1,310 

1,250 

1,160 

1,150

1,110 

1,070 

1,040 

984 

939

906 

882 

858 

874 

890

906 

948 

939 

930 

930

975 

1,060 

1,120 

1,070 

1,160

34,021

1,500 

467

::

--

-

 b5,000 

 b 1,400

b580 

bl.100

c 51, 740

1,420,641 

7,488,500

b Computed on basis of samples obtained about four times a month, 

c Partly estimated from water-sediment discharge curve .
GREEN RIVER BASIN Continued 

GREEN RIVER NEAR OURAY, UTAH Continued

Particle-size analyses of suspended sediment, water year October 195

(Methods of analysis: B, bottom withdrawal tube; D, decantation; P, pipette

W, in distilled water; C, chemically dispersed; M, mechanic

Date 

of 

collection

Aug. 16 ..........

Time

1:30 p.m. 

5:25 p.m. 

5:30 p.m. 

1:45 p.m. 

1:15 p.m.

1:15 p.m. 

11:00 a.m. 

6:20 p.m. 

10:10 a.m. 

8:00 a.m.

9:00 a.m. 

10:00 a.m. 

10:30 a.m. 

9:30 a.m. 

12:00 m.

Discharge 

(cfs)

1,540 

1,740 

2,240 

2,060 

1,940

5,910 

12,300 

13,800 

13,500 

11,200

7,840 

4,340 

2,100 

2,730 

2,190

Water 

temperature 

(°F)

61 

64 

55 

46 

44

52 

57 

59 

63 

70

66 

70 

78 

75 

77

Suspended s

Concentration 

of sample 

(ppm)

1,860 

3,760 

1,570 

1,270 

627

1,850 

3,870 

2,060 

1,480 

889

584 

223 

247 

1,200 

2,420

Concentration 

of suspension 

analyzed 

(ppm)

5,020 

5,320 

4,270 

3,260 

2, 590

3,340 

2,280 

3,940 

5,670 

4,960

1,320 

730 

4,210 

3,460 

4,070

Percent fin

0.002 0.004

44 

61 

46 

55 

19

40 

26 

16 

23 

30

62 

66 

62

0.008

29 

52

0.016

64 

78 

61 

69 

31

63

47 

28 

39 

47

33 

58 

83 

85 

90
GREEN RIVER BASIN Continued

WILLOW CREEK NEAR OURAY, UTAH

LOCATION. At gaging station, 8 miles upstream from mouth and 10 miles south of Ouray, Uintah County

DRAINAGE AREA.--967 square miles.

RECORDS AVAILABLE. Chemical analyses: December 1950 to January 1955 (discontinued).

Water temperatures: December 1950 to January 1955 (discontinued). 

EXTREMES, December 1950 to January 1955. Specific conductance: Maximum daily, 8,770 micromhos July 

Water temperatures: Maximum, 89°F July 14, 1951, June 8, 1953; minimum, freezing point on many d

REMARKS.--Values reported for dissolved solids are residues on evaporation. Records of specific co

at Salt Lake City, Utah. Records of discharge for water year October 1954 to September 1955 giv

Chemical analyses, in parts per million, October 1954 

Date of collection

Oct. 1-7, 1954...

Oct 11 20

Jan. 1-10, 1955..

Jan. 21-31 ......

Mean 

discharge 

(cfs)

9.4 

19.3 

9.6 

13.1 

13.8 

17.1 

15.8

11.0 

11.0 

11.0 

10.0 

10.0 

10.0

Silica 

(Si02)

19 

16

22 

20

Iron 

(Fe)

Calcium 

(Ca)

78 

67

88 

87

Magnesium 

(Mg)

67 

54

77 

53

Sodium 

(Na)

184 

138

193 

128

Potassium 

(K)

Bicarbonate 

(HC05)

499 

416

560 

438

Sulfate 

(SO,)

439 

329

454 

319

Chloride 

(Cl)

22 

18

25 

18

Fluoride 

(F)

Nitrate 

(N03 )

1.2 

.4

1.4 

1.4

Boron 

(B)

0.97 

.66

1.0 

.57

Temperature (°F) of water, October 1954 to January 19

Day

1 

2 

3 

4 

5 

6

Oct.

60 

57 

59 

53 

53 

53

Nov.

44 

43 

43 

43 

42 

42

Dec.

32 

32 

32 

32 

32 

32

Jan.

32 

32 

32 

32 

32

Day

7 

,8 

9 

10 

11 

12

Oct.

64 

54 

55 

54 

51 

56

Nov.

42

46 

47

Dec.

32 

32 

32 

32 

32 

32

Jan.

32 

32 

32 

32 

32 

32

Day

13 

14 

15 

16 

17 

18

Oct.

48 

50 

48 

51 

52 

43

Nov.

43 

45 

44 

42 

42 

39

Dec.

32 

32 

32 

32 

32 

32

Jan.

32 

32 

32 

32 

32 

32

Day

19 

20 

21 

22 

23 

24

Oc

' .

Average .......................................................................................
GREEN RIVER BASIN--Continued 

PRICE RIVER AT WOODSIDE, UTAH

LOCATION. At gaging station at bridge on U. S. Highway 50, at Woodside, Emery County, and 20 miles 

DRAINAGE AREA. 1,500 square miles, approximately.

RECORDS AVAILABLE. Chemical analyses: December 1946 to September 1949, February 1951 to September 

Water temperatures: February 1951 to September 1955.

EXTREMES, 1954-55. Water temperatures: Maximum, 78°F July 23, 25, 26; minimum, freezing point on 

EXTREMES, 1951-55. Dissolved solids (1951-54): Maximum, 8,220 ppm Dec. 11, 1951; minimum 592 ppm M

Hardness (1951-54): Maximum 3,010 ppm Dec. 11, 1951; minimum, 353 ppm June 1-3, 6-10, 1952.

Specific conductance (1951-54): Maximum daily, 8,540 micromhos Dec. 11, 1951, minimum daily, 814 

Water temperatures: Maximum, 90°F July 10-11, 1954; minimum freezing point on many days during wi

REMARKS.--Values reported for dissolved solids are sums of determined constituents. Records of spec

office at Salt Lake City, Utah. Records of discharge for water year October 1954 to September 19

Chemical analyses, in parts per million, water year October 1954 to S

Date of collection

Oct. 1-10, 1954. .

Oct. 21-31.......

Dec. 11-20 ......

Dec. 21-31 ......

Jan. 1-10, 1955..

Feb. 1-10 .......

Feb. 20-28 ......

Mar. 1-3 .......

Mar. 4-6, 8 ... 

Apr. 23-26 ......

Apr. 27-30 ......

May 11-20.......

June 11-20. ......

June 21-30 ......

Mean 

discharge 

(cfs)

254 

52.9 

97.1 

41.7 

65.7 

38.4

29.0 

24.0 

20.0 

20.0 

20.0 

20.0

20.0 

22.8 

'26.7 

31.7 

38.8

79.5 

81.8 

77.2 

44.9 

38. % 4

41.2 

33.2 

27.3

Silica 

(Si02)

9.6 

11 

9.0 

5.6 

4.2 

5.3

5.2 

18 

32 

12 

9.1 

12

9.9 

9.4 

10 

10 

7.8

13 

14 

12 

7.1 

3.5

7.5 

9.8 

6.2

Iron 

(Fe)

Calcium 

(Ca)

281 

262 

241 

258 

270 

253

290 

449 

410 

308 

253 

311

286 

277 

283 

255 

162

180 

138 

167 

188 

192

206 

255 

226

Magnesium 

(Mg)

108 

145 

181 

232 

268 

223

255 

336 

394 

271 

220 

274

243 

244 

244 

243 

100

146 

92 

136 

179 

176

195 

237 

222

Sodium 

(Na)

354 

437 

600 

809 

849 

791

849 

602 

506 

810 

675 

810

732 

713 

 725 

737 

370

453 

284 

439 

563 

563

595 

773 

69 9

Potassium 

(K)

12 

9.9 

9.1 

9.8 

9.4 

9.6

9.2 

89 

124 

9.6 

7.8 

8.9

8.4 

7.6 

8.2 

8.1 

8.8

6.5 

5.4 

7.1 

8.5 

8.5

9.1 

10 

9.4

Bicarbonate 

(HCO,)

207 

281 

294 

325 

331 

296

388 

1,020 

900 

472 

372 

492

446 

434 

442 

360 

192

310 

306 

310 

288 

274

300 

308 

279

Sulfate 

(SO,)

1,650 

1,820 

2,240 

2,830 

3,070 

2,780

2,990 

2,650 

2,700 

3,050 

2,500 

3,050

2,750 

2,670 

2,670 

2,720 

1,340

1,630 

1,020 

1,540 

2,020 

2,030

2,190 

2,850 

2 560

Chloride 

(Cl)

44 

59 

70 

88 

98 

85

99 

206 

274 

109 

88 

109

100 

97 

98 

102 

52

59 

39 

56 

70 

72

81 

100 

87

Fluoride 

(F)

Nitrate 

(NO,)

3 9 

6.5 

7.9 

9.6 

8.9 

10

12 

5.1 

1.0 

15 

13 

14

14 

15 

14 

14 

1.7

6.0 

8.4 

4.7 

2.4 

2.0

8.5 

4.5 

4.3

Boron 

(B)

0.31 

.43

. 53 

.61 

.41 

.32 

.39

.35 

.35 

.34 

.37 

.29

.27 

.19 

.27 

.31 

.33

.40

Pa

pe

mi

lio

2,5

2,8

3,5

4,4

4,7

4,3

4,7

4,8

4,8

4,8

3,9

4,8

4,3

4,2

4,2

4,2

2,1

2,6

1,7

2,5

3,1

3,1

3,4

4,3

3.9
GREEN RIVER BASIN--Continued

PRICE RIVER AT WOODSIDE, UTAH--Continued 

Chemical analyses, in parts per million, water year October 1954 to Septem

Date of collection

July 1-10, 1955 .. 

July 11-20.......

Aug. 1-10 .......

Aug. 12-20 ......

Aug. 21-23 ......

Sept. 11-17......

Sept. 26-30......

Mean 

discharge 

(cfs)

14.4 

12.0 

47.9

93.2 

51.0 

110 

27.0 

47.5 

11.1 

10.4 

21.6

Silica 

(Si02)

5.4 

5.7 

6.0

15 

16 

15 

18 

7.6 

6.3 

4.7 

9.5

Iron 

(Fe)

Calcium 

(Ca)

272 

249 

239

256 

269 

248 

204 

262 

256 

270 

233

Magnesium 

(Mg)

273 

258 

239

198 

201 

107 

109 

280 

266 

252 

222

Sodium 

(Na)

851 

815 

751

651 

640 

301 

330 

841 

791 

812 

719

Potassium 

(K)

11 

10 

11

12 

12 

10 

9.3 

11 

11 

11 

10

Bicarbonate 

(HC03 )

276 

240 

240

246 

254 

268 

300 

264 

266 

246 

284

Sulfate 

(S04 )

3,210 

3,020 

2,810

2,460 

2,460 

1,400 

1,310 

3,180 

3,010 

3,050 

2,600

Chloride 

(Cl)

110 

102 

94

81 

72 

44 

43 

-U>5 

92 

92 

80

Fluoride 

(F)

Nitrate 

(NO,)

2.1 

2.1 

1.6

4.9 

9.9 

1.7 

7.6 

2.5 

3.7 

3.7 

8.2

Boron 

(B)

0.38

.43

.23 

.24

.51 

.48 

.46 

.40

Pa

p

m

li

4,8

4,5

4,2

3,8

3,8

2,2

2,1

4,8

4,5

4,6

4,0
GREEN RIVER BASIN

GREEN RIVER BASIN--Continued

PRICE RIVER AT WOODSIDE, UTAH--Continued

Temperature (°F) of water, water year October 1954 to September 1955

Day

1

2

3

4

5

6

7

8

9

10

11

12

13

14

15

16

17

18

19

20

21

22

23

24

25

26

27

28

29

30

31

Average

Oct.

63

60

63

67

62

60

57

59

61

65

67

62

69

63

53

59

52

51

60

59

62

64

60

60

67

55

60

54

56

56

68

60

Nov.

69

67

67

63

64

65

70

72

68

62

62

63

56

56

57

53

53

50

50

50

50

46

46

46

43

46

46

46

45

43

--

56

Dec.

41

42

40

40

41

38

40

40

38

38

36

34

34

34

33

33

33

33

33

33

33

33

33

33

33

33

33

33

33

33

32

35

Jan.

32

32

32

32

32

32

33

32

32

32

32

32

32

32

32

32

32

-_

--

..

33

32

32

32

32

32

33

32

32

Feb.

32

32

32

32

32

32

32

33

32

32

32

32

33

32

33

33

33

33

33

33

33

33

33

33

33

33

33

33

--

33

Mar.

33

33

33

33

33

31

_.

32

__

--

..

__

__

--

__

_

_

--

..

._

..

__

--

__

_

__

--

Apr.

__

__

_

_

--

..

..

..

__

--

_

_

_

--

_

._

_.

--

..

..

63

67

68

67

60

60

60

60

--

--

May

62

62

62

62

--

60

62

62

62

62

60

60

60

60

60

60

60

60

60

60

60

60

60

60

60

60

60

60

60

60

60

61

June

65

65

62

59

59

65

65

65

74

65

69

68

64

64

64

73

73

72

69

69

69

69

70

68

68

69

68

69

68

67

--

67

July

63

63

63

63

63

64

68

70

75

73

71

70

70

70

70

70

70

70

75

75

75

75

78

77

78

78

73

72

73

72

74

71

Aug.

75

75

76

75

67

65

67

65

66

65

64

63

63

66

66

73

73

66

66

66

66

70

70

67

67

67

67

67

67

67

--

68

Sept.

67

67

67

67

67

67

67

67

67

67

71

72

72

72

72

67

67

__

_

--

_.

_

_

68

65

65

67

67

--

--
GREEN RIVER BASIN Continued

GREEN RIVER AT GREEN RIVER, UTAH

LOCATION. At gaging station, 1 mile southeast of the town of Green River, Emery County, 22 miles up

from mouth.

DRAINAGE AREA. 40,600 square miles, approximately. 

RECORDS AVAILABLE. Chemical analyses: August 1928 to September 1955.

Water temperatures: May 1949 to September 1955.

Sediment records: May 1930 to September 1955. 

EXTREMES, 1954-55. Dissolved solids: Maximum, 1,070 ppm Aug. 27, 31; minimum, 244 ppm May 21-31.

Hardness: Maximum, 500 ppm Sept. 3; minimum, 148 ppm May 21-31, July 1-10.

Specific conductance: Maximum daily, 1,620 micromhos Dec. 27; minimum daily, 349 micromhos May 31

Water temperatures: Maximum, 82°F July 16, 23; minimum, freezing point on many days during Decemb

Sediment concentrations: Maximum daily, 41,800 ppm Oct. 8; minimum daily, 80 ppm Sept. 27.

Sediment loads: Maximum daily, 482,000 tons Mar. 15; minimum daily, 213 tons Sept. 27. 

EXTREMES, 1928-55. Dissolved solids: Maximum, 2,010 ppm Sept. 29, 1943; minimum, 194 ppm June 21-3

Hardness: Maximum, 592 ppm Oct. 13, 1953; minimum, 128 ppm June 21-30, 1933.

Specific conductance (1941-55): Maximum daily, 2,420 micromhos Sept. 29, 1943; minimum daily, 321 

Water temperatures (1949-55): Maximum, 82°F July 31, Aug. 5, 6, 1949, July 20, 1953, July 16, 23, 

winter months.

Sediment concentrations (1930-55): Maximum daily, 63,100 ppm July 11, 1936; minimum daily, 34 ppm 

Sediment loads (1930-55): Maximum daily, 2,230,000 tons July 11, 1936; minimum daily, less than 1

REMARKS: Values reported for dissolved solids are residues on evaporation. Records of specific con

at Salt Lake City, Utah. Records of discharge for water year October 1954 to September 1955 give

Chemical analyses, in parts per million, water year October 1954 to S

Date of collection

Oct. 1-10, 1954 . . .

Oct. 21-23, 25-31 .

Nov. 21-24, 26.. ..

Jan. 1-10, 1955.... 

Jan. 11-20 ........

Jan. 21-31 ........

Mean 

discharge 

(cfs)

2,160 

2,386 

2,228 

2,130 

2,014 

2,018 

2,088

,484 

,209 

,203 

,470 

' ,219 

.209

Silica 

(Si02)

14 

12

Iron 

(Fe)

0.16 

.04

Calcium 

(Ca)

132 

100 

84 

115 

84 

91 

83

81 

101 

114 

95 

88 

91

Magnesium 

(Mg)

32 

38 

29 

43 

32 

34 

35

44 

42 

50 

41 

40 

34

Sodium 

(Na)

121 

109 

106 

171 

126 

143 

143

156 

163 

136 

123 

106 

103

Potassium 

(K)

6.0

3.0

Bicarbonate 

(HCO,)

242

269

Sulfate 

(S04 )

381

317

Chloride 

(Cl)

44

50

Fluoride 

(F)

0.3

.2

Nitrate 

(NO,)

5.3

3.2

Boron 

(B)

0.25

.20

P

m

l

1
Apr. 1-10.........

July 21-26, 28-31 ..

Aug. 21-26, 28-30..

Sept. 1-2, 4-10 ....

Sept. 21-30. .......

Weighted average .

1,641 

1,475 

1,820 

6,095 

3,688

3,491 

5,159 

7,029 

8,053 

12,340 

12,520

10,220 

12,230 

10,550 

6,036 

2,840 

2,140 

2,060

2,788 

2,524 

2,513 

2,685 

1,541 

1,720 

1,024 

980

a3,949

12 

12-

.06 

.05-

85 

77 

81 

77 

76

83 

72 

62 

55 

54 

45

47 

45 

44 

45 

49 

64 

94

72 

75 

80 

133 

89 

154 

77 

77

64

31 

33 

31 

26 

29

30 

30 

18 

14 

9.2 

8.7

9 2 

10 

9.6 

8.8 

18 

15 

28

18 

27 

21 

39 

22 

28 

24 

30

19

90 

89 

93 

101 

105

99 

90 

56 

42 

27 

24

28 

29 

29 

29 

44 

72 

104

86 

94 

96 

133 

98. 

Ill 

99 

108

63

4.1 

2.5

230 

220 

190 

177 

174 

146

146 

140 

142 

135 

162 

194 

182

196 

216 

208 

252 

204 

202 

206 

204

266 

122

36 

24

.2 

.2

3.5 

1.1

.20 

.08

1,0

1,

a Represents 99 percent of runoff for water year October 1954 to September 1955.
90 COLORADO RIVER BASIN 

GREEN RIVER BASIN Continued 

GREEN RIVER AT GREEN RIVER, UTAH Continued 

Temperature (°F) of water, water year October 1954 to September 1955

Day

1

2

3

4

5

6

7

8

9

10

11

12

13

14

15

16

17

18

19

20

21

22

23

24

25

26

27

28

29

30

31

Average

Oct.

64

66

63

65

61

66

66

64

61

62

60

60

64

59

56

53

53

51

52

--

_.

52

50

50

51

..

46

49

49

48

--

57

Nov.

44

48

48

48

48

48

48

46

45

45

..

46

48

48

48

49

45

46

45

44

45

43

43

43

--

43

__

__

__

__

--

46

Dec.

..

__

34

34

34

34

35

32

32

33

37

36

34

35

34

33

32

33

33

33

33

33

33

33

34

33

33

36

32

33

32

34

Jan.

34

35

33

32

33

33

32

33

32

--

33

32

32

_.

32

._

32

32

32

32

32

32

32

31

--

32

32

32

32

32

32

32

Feb.

32

32

32

32

32

32

32

32

32

32

32

32

32

32

32

__

32

32

32

32

__

__

32

32

32

32

__

__

__

--

32

Mar.

32

__

_.

_

32

33

33

33

33

33

33

34

34

34

34

34

36

38

40

37

37

37

38

39

42

41

__

39

39

41

45

36

Apr.

43

45

44

45

45

46

46

44

51

52

..

49

48

52

51

55

54

53

50

52

51

49

52

52

52

54

53

55

52

52

--

50

May

55

54

53

57

54

58

59

60

60

61

62

62

61

59

56

55

58

57

_-

61

62

62

63

64

62

61

61

61

61

61

59

June

58

61

61

61

--

62

67

-.

66

68

68

-_

66

66

66

66

68

-_

--

67

70

71

70

71

70

73

71

71

69

71

--

67

July

69

__

69

70

70

71

72

69

73

72

69

70

._

-_

80

82

80

75

81

75

__

--

82

81

76

76

78

81

80

81

78

75

Aug.

78

79

81

78

78

79

77

74

79

80

79

78

76

80

79

75

78

74

78

74

78

73

78

28

75

76

73

76

72

73

75

77

Sept.

70

75

74

75

75

73

75

75

74

73

72

69

71

71

70

68

69

69

69

68

65

68

66

61

64

65

«5

64

64

65

--

69
GREEN RIVER BASIN 

GREEN RIVER BASIN Continued 

GREEN RIVER AT GREEN RIVER, UTAH Continued 

Suspended sediment, water year October 1954 to September 1955

91

Day

1......

4. .....

5......

8. .....

9. .....

10. .....

14......

17. .....

18. .....

19. .....

21......

24. .....

26......

29......

31......

Total .

1. ..... 

2. ..... 

3...... 

4...... 

5......

8......

10. .....

13. ..... 

14. ..... 

15......

19

21

22. ..... 

23 

24...... 

25......

26. ..... 

27. ..... 

28...... 

29...... 

30. ..... 

31...... 

Total .

October

Mean 

discharge 

(cfs)

1,980 

1,770 

1,680 

1,870 

1,720

1,770 

2,260 

2,620 

3,220 

2,710

3,010 

3,170 

2,460 

2,150 

2,040

2,110 

2,190 

2,280 

2,280 

2,170

2,110 

2,040 

2,000 

2,130 

2,480

2,260 

2,640 

2,410 

2,190 

2,110 

2,040

69,870

Suspended sediment

Mean 

concentration 

(ppm)

7,250 

4,000 

5,150 

8,800 

3,100

1,600 

9,940 

41,800 

32,600 

20,800

11,200 

7,250 

15,000 

18,000 

9,200

6,850 

3,100 

1,550 

1,500 

1,300

1,140 

970 

1,600 

4,800 

5,800

3,200 

2,100 

1,730 

2,900 

2,300 

1.420

--

Tons 

per 

day

38,800 

19,100 

23,400 

44,400 

14,400

7,650 

s 80, 700 

s 327, 000 

s 320, 000 

152,000

91,000 

62,100 

99,600 

104,000 

50, 700

39, 000 

18,300 

9,540 

9,230 

a7,600

6,490 

5,340 

8,640 

27,600 

38,800

a 20, 000 

15,000 

11,300 

17,100 

13,100 

7.820

1,689,710

January

1,270 

1,430 

1,600 

1,700 

1,800

1,600 

1,500 

1,370 

1,270 

1,160

1,150 

1,150 

1,150 

1,210 

1,300

1,320 

1,320 

1,280 

1,160 

1,150

1,150 

1,150 

1,150 

1,220 

1,330

1,400 

1,350 

1,230 

1,120 

1,100 

1,100

40,190

440 

585 

535 

625 

515

805 

665 

705 

665 

610

595 

495 

445 

400 

330

320 

475 

345 

850 

650

455 

470 

430 

395 

375

620 

555 

400 

405 

465 

480

-

1,510 

2,260 

2,310 

2,870 

2,500

3,480 

2,690 

2,610 

2,280 

al,900

1,850 

1,540 

1,380 

al,300 

1,160

al,100 

1,690 

1,190 

2,660 

2,020

1,410 

1,460 

1,340 

1,300 

1,350

2,340 

2,020 

1,330 

1,220 

1,380 

1.430

56, 880

November

Mean 

discharge 

(cfs)

2,000 

2,020 

2,060 

2,060 

2,040

2,040 

2,020 

2,000 

1,960 

1,940

1,940 

1,940 

2,060 

2,080 

2,020

2,060 

2,040 

2,000 

2,000 

2,040

2,080 

2,130 

2,130 

2,060 

2,040

2,040 

1,980 

1,920 

1,880 

1,870

60,450

Suspended sediment

Mean 

concentration 

(ppm)

700 

550 

440 

475 

410

420 

435 

290 

375 

400

370 

350 

580 

2,120 

1,080

530 

580 

455 

400 

345

370 

465 

475 

400 

315

255 

250 

250 

. 240 

250

-

Tons 

per 

day

3,780 

3,000 

2,450 

2,640 

2,260

2,310 

2,370 

1,570 

1,980 

2,100

al,900 

1,830 

3,230 

11,900 

5,890

2,950 

3,190 

2,460 

2,160 

1,900

2,080 

2,670 

2,730 

2,220 

a 1,740

1,400 

a 1,300 

al,300 

a 1,200 

al,300

79,810

February

1,260 

1,460 

1,600 

1,750 

1,650

1,530 

1,500 

1,500 

1,500 

1,600

1,670 

1,530 

1,430 

1,480 

1,600

1,800 

1,750 

1,800 

1,750 

1,600

1,500 

1,450 

1,450 

1,460 

1,470

1,480 

1,490 

1,500

43,560

425 

260 

370 

400 

305

280 

325 

270 

245 

250

245 

355 

420 

270 

305

360 

360 

370 

380 

300

240 

220 

200 

195 

215

230 

295 

535

-

1,450 

1,020 

1,600 

1,890 

1,360

1,160 

1,320 

1,090 

992 

1,080

1,100 

1,470 

1,620 

1,080 

1,320

a 1,700 

1,700 

1,800 

1,800 

1,300

a 970 

a 860 

783 

769 

853

a 920 

1,190 

2,170

36,367

December

Mean 

discharge 

(cfs)

1,850 

1,790 

1,650 

1,650 

1,470

1,220 

1,270 

1,360 

1,310 

1,270

1,060 

1,100 

1,130 

1,100 

1,210

1,400 

1,350 

1,280 

1,240 

1,220

1,200 

1,180 

1,170 

1,150 

1,170

1,270 

1,370 

1,390 

1,250 

980 

1 ion

40,160

Suspended sediment

Mean 

concentration 

(ppm)

250 

250 

260 

250 

250

185 

175 

235 

285 

265

240 

300 

240 

185 

210

320 

345 

335 

230 

235

255 

275 

245 

280 

275

230 

200 

660 

660 

275 

345

-

Tons 

per 

day

al,200 

al,200 

1,160 

1,110 

992

609 

600 

863 

1,010 

909

687 

891 

732 

549 

686

1,210 

1,260 

1,160 

770 

774

826 

876 

774 

869 

869

789 

740 

2,480 

2,230 

728 

1.020

30, 573

March

1,530 

1,570 

1,650 

1,700 

1,750

1,800 

1,900 

2,000 

2,100 

2,200

2,500 

3,100 

4,600 

7,000 

9,500

10,000 

8,000 

6,000 

5,280 

4,970

4,450 

3,810 

3,360 

3,410 

3,580

4,580 

4,640 

3,780 

3,190 

2,860 2! 910

119,720

1,240 

1,100 

1,000 

940 

810

585 

815 

930 

890 

970

1,910 

5,200 

9,500 

14,000 

18,800

13,300 

8,000 

5,600 

4,000 

3,000

2,440 

2,150 

1,430 

1,440 

1,440

2,740 

3,180 

2,960 

2,270 

2,100 l!870

--

5,120 

a4,700 

a4,500 

a4,300 

3,830

2,840 

4,180 

5,020 

5,050 

5,760

12,900 

43,500 

118,000 

265,000 

482,000

359,000 

173,000 

90,700 

57,000 

40,300

29,300 

22,100 

13,000 

13,300 

13,900

33,900 

39,800 

30,200 

19,600 

16,200 14; 700

1,932,700

s Computed by subdividing day.

a Computed from estimated concentration graph.
92 COLORADO RIVER BASIN 

GREEN RIVER BASIN Continued 

GREEN RIVER AT GREEN RIVER, ITT AH--Continued 

Suspended sediment, water year October 1954 to September 1955--Continued

Day

1. .....

2. .....

4. .....

5. .....

6. .....

7. .....

8. .....

10. .....

11......

12. .....

15. .....

18. .....

19. .....

21......

22. .....

24. .....

25. .....

26......

28......

31......

Total.

L...,.

3. .....

4...... 

5......

8......

Q

10......

11......

13

14. .....

15......

 to

20. .....

21...... 

22. ..... 

23. ..... 

24. ..... 

25......

26...... 

27...... 

28. ..... 

29. ..... 

30. ..... 

31...... 

Total.

April

Mean 

discharge 

(cfs)

3,110 

3,410 

3,360 

3,410 

3,720

3,860 

3,720 

3,690 

3,410 

3,220

3,330 

3,630 

4,420 

4,940 

5,110

5,560 

5,320 

5,210 

6,290 

7,780

8,400 

8,320 

8,280 

7,450 

6,290

6,180 

6,510 

6,360 

6,140 

6,360

156,790

Suspended sediment

Mean 

concentration 

(ppm)

1,430 

1,730 

2,560 

2,360 

2,520

2,850 

2,400 

2,180 

2,150 

1,880

1,500 

1,480 

2,000 

3,140 

3,650

4,000 

4,730 

3,750 

5,400 

7,140

8,100 

6,950 

5,200 

3,950 

3,100

3,170 

3,000 

2,250 

1,910 

1,980

-

Tons 

per 

day

12,000 

15,900 

23, 200 

21,700 

25, 300

29, 700 

24,100 

21,700 

19,800 

16,300

13,500 

14,500 

23,900 

41,900 

50,400

60,000 

67, 900 

52,800 

91,700 

150,000

184,000 

156,000 

116,000 

79, 500 

52,600

52, 900 

52, 700 

38,600 

31,700 

34,000

1,574,300

July

7,940 

7,740 

7,290 

6,780 

6..250

5,770 

5,320 

4,840 

4,390 

4,040

3,660 

3,360 

3,110 

2,880 

2,690

2,780 

2,690 

2,520 

2,390 

2,320

2,210 

2,110 

1,980 

1,980 

1,880

1,980 

2,060 

2,260 

2,230 

2,150 

2,620

112,220

705 

670 

750 

725 

590

525 

475 

560 

440 

330

290 

275 

230 

180 

155

155 

140 

145 

260 

220

210 

270 

370 

335 

375

1,350 

4,350 

2,400 

600 

430 

700

--

15,100 

a 14, 000 

14,800 

13,300 

9,960

8,180 

6,820 

7,320 

5,220 

3,600

2,870 

2,490 

a 1,900 

al,400 

1,130

1,160 

1,020 

987 

1,680 

1,380

al,300 

al,500 

1,980 

1,790 

1,900

7,220 

24, 200 

14,600 

3,610 

2,500 

4,950

179,867

May

Mean 

discharge 

(cfs)

7,780 

7,900 

6,860 

6,700 

7,740

9,680 

9,230 

8,070 

7,780 

8,790

11,100 

12,600 

11,800 

10,900 

11,000

12,200 

13,000 

13,400 

14,200 

13,200

11,400 

10,700 

10, 500 

11,600 

12,800

12,800 

13,200 

13,900 

14,200 

13,800 

12,800

341,630

Suspended sediment

Mean 

concentration 

(ppm)

2,690 

2,800 

2,370 

2,230 

2,250

4,200 

3,810 

2,970 

2,360 

2,400

4,660 

5,950 

5,000 

3,800 

3,370

3,620 

4,040 

4,230 

4,500 

3,600

2,800 

2,300 

2,100 

2,480 

3,160

3,000 

2,700 

2,990 

2,950 

2,800 

2,700

--

Tons 

per 

day

56,500 

59,700 

43,900 

40,300 

47,000

allO,000 

94,900 

64,700 

49,600 

57,000

140,000 

202, 000 

159,000 

112,000 

100,000

119,000 

142,000 

153,000 

a 170, 000 

128,000

86, 200 

66,400 

59, 500 

77,700 

109,000

104,000 

96,200 

112,000 

113,000 

a 100, 000 

93,300

3,059,900

August

2,880 

2,830 

2,880 

2,860 

2,760

2,860 

2,810 

2,520 

2,740 

2,740

2.520 

2,500 

2,570 

2,660 

2,520

2,430 

2,500 

2,430 

2,740 

2,370

2,340 

2,300 

2,190 

2,040 

1,920

1,900 

2,780 

3,860 

3,090 

2,980 

2.590

81,110

1,300 

1,100 

1,500 

3,050 

3,230

4,760 

6,360 

2,800 

2,200 

3,200

9,200 

7,330 

4,760 

2,430 

3,600

7,040 

5,240 

4,790 

6,200 

4,600

3,500 

3,200 

4,700 

3,850 

3,350

2,390 

8,600 

12,400 

12,600 

12,800 

13,700

-

10,100 

8,410 

11,700 

23,600 

24,100

36,800 

48,300 

19,100 

16,300 

23,700

62,600 

49,500 

33,000 

17,500 

a 24, 000

46,200 

35,400 

31,400 

45,900 

29,400

22,100 

19,900 

27,800 

21,200 

17,400

12,300 

64,600 

129,000 

105,000 

103,000 

95.800

1,215,110

June

Mean 

discharge 

(cfs)

11,400 

10,500 

10,100 

10,000 

10,200

10,000 

9,860 

9,820 

10,100 

10,200

10,700 

11,200 

11,700 

11,500 

11,400

12,600 

13,000 

13,400 

13,400 

13,400

13,300 

13,000 

12,200 

11,300 

10,600

9,770 

9,320 

9,050 

8,700 

8,280

330,000

Suspended sediment

Mean 

concentration 

(ppm)

2,100 

1,850 

1,800 

1,880 

1,670

1,410 

1,360 

1,600 

1,450 

1,390

1,480 

1,600 

1,840 

1,700 

1,550

2,120 

2,200 

2,000 

2,200 

2,150

2,960 

2,600 

1,900 

1,750 

1,280

1,020 

1,050 

1,060 

920 

675

--

Tons 

per 

day

64,600 

52,400 

49,100 

50,800 

46,500

38,100 

36,200 

a42, 000 

39, 500 

38,300

42,800 

a 48, 000 

58,100 

52, 900 

47,700

72,100 

77,200 

a 72, 000 

a 80, 000 

77,800

106,000 

91,300 

62,600 

53,400 

36,600

26,900 

26,400 

25,900 

21,600 

15,100

1,551,900

September

2,020 

1,810 

1,720 

1,660 

1,560

1,490 

1,420 

1,360 

1,310 

1,240

1,170 

1,130 

1,100 

1,060 

1,020

986 

950 

926 

962 

938

926 

926 

914 

950 

962

974 

986 

986 

1,040 

1,140

' 35,636

7,600 

7,660 

9,980 

5,300 

3,300

1,960 

750 

540 

450 

400

340 

370 

350 

300 

270

230 

165 

175 

1,130 

750

195 

190 

355 

255 

105

85 

80 

90 

100 

170

-

41,400 

37,400 

46,300 

23,800 

13,900

7,890 

2,880 

1,980 

1,590 

1,340

1,070 

1,130 

1,040 

859 

744

612 

423 

438 

2,940 

1,900

488 

475 

876 

654 

273

224 

213 

240 

281 

523

193.883

Total discharge for year (cfs-days) ............

Total load for year (tons). .....................

a Computed from estimated concentration graph.

1,431,336

11,601,000
GREEN RIVER BASIN--Continued 

GREEN RIVER AT GREEN RIVER, UTAH Continued

Particle-size analyses of suspended sediment, water year October 1954 t

(Methods of analysis: B, bottom withdrawal tube; D, decantation; P, pipette; 

W, in distilled water; C, chemically dispersed; M, mechanicall

Date 

of 

collection

Oct. 11, 1954 ..... 

Nov. 17 ...........

Mar. 22, 1955.... . Mar. 31 ..........

May 4 ............

July 19 ...........

Aug. 29.......... .

Sept. 14 ..........

Time

9:00 a.m. 

11:15 a.m. 

3:30 p.m. 

12:00 m. 

3:15 p.m.

10:00 a.m. 

11:25 a.m. 

2:30 p.m. 

12:30 p. m. 

12:45 p.m. 

11:10 a.m.

11:40 a.m. 

9:15 a.m. 

12:30 p.m. 

11:20 a.m. 

8:30 a.m. 

4:30 p.m.

Discharge 

(cfs)

2,980 

2,040 

1,240 

3,780 

2,930

3,610 

6,250 

6,740 

11,000 

13,200 

12,800

10,600 

13, 400 

2,370 

2,520 

3,190 

1,080

Water 

temperature 

(°F)

60 

45 

33 

37 

45

49 

50 

57 

56 

61 

61

61 

67 

81 

74 

72 

71

Suspended sed

Concentration 

of sample 

(ppm)

11,100 

561 

281 

2,150 

1,800

1,530 

5,610 

2,210 

3,360 

3,520 

2,990

2,030 

1,880 

227 

2,050 

12,700 

287

Concentration 

of suspension 

analyzed 

(ppm)

3,560 

3,600 

4,220 

3,980 

5,440

3,080 

5,400 

4,340 

3,860 

2,750 

5,020

2,960 

3,300 

2,300 

4,430 

5,500 

3,060

Percent fine

0.002 0.004

53 

53 

64 

61 

73

64 

48 

49 

35 

29 

24

27 

22 

46 

76 

71 

78

0.008 0.016

79 

75 

89 

78 

94

89 

68 

73 

53 

44 

43

40 

35 

65 

97 

98 

93

0
GREEN RIVER BASIN--Continued

SAN RAFAEL RIVER NEAR GREEN RIVER, UTAH

LOCATION. At gaging station just downstream from bridge on State Highway 24, 15 miles southwest of G

mouth.

DRAINAGE AREA.--1,690 square miles, approximately. 

RECORDS AVAILABLE. Chemical analyses: November 1946 to September 1949, November 1950 to September 1

Water temperatures: July to September 1949, October 1950 to September 1955.

Sediment records: March 1948 to September 1949, October 1950 to September 1955. 

EXTREMES, 1354-55. Dissolved solids: Maximum, 4,230 ppm July 23, 26-29; minimum, 1,250 ppm May 25-2

Hardness: Maximum, 2,220 ppm July 23, 26-29; minimum, 623 ppm May 25-28.

Specific conductance: Maximum daily, 5,430 micromhos July 26; minimum daily, 1,400 micromhos June 

Water temperatures: Maximum, 93°F July 18, Aug. 1; minimum, freezing point on many days during Dec

Sediment concentrations: Maximum daily, 60,500 ppm Aug. 14; minimum daily, 5 ppm on several days.

Sediment loads; Maximum daily, 50,200 tons Aug. 14; minimum daily, less than 0.50 tons on many days

EXTREMES, 1948-49, 1950-55.--Dissolved solids: Maximum, 5,650 ppm July 11, 13-18, 1954; minimum, 541 

Hardness: Maximum, 2,280 ppm July 11, 13-18, 1954; minimum, 330 ppm June 11-20, 1952.

Specific conductance: Maximum daily, 7,230 micromhos July 15, 1954; minimum daily, 756 micromhos J

Water temperatures, 1949, 1950-55: Maximum, 95°F July 11, 1954; minimum, freezing point on many da

Sediment concentrations (1948-55): Maximum daily, 115,000 ppm Aug. 4, 1951; minimum daily, 0 ppm (

Sediment loads (1948-55): Maximum daily, 786,000 tons Aug. 4, 1951; minimum daily, 0 tons Sept. 5 

REMARKS: Values reported for dissolved solids are sums of determined constituents. Records of specif

office at Salt Lake City, Utah. Records of discharge for water year October 1954 to September 195

to Mar. 17.

Chemical analyses, in parts per million, water year October 1954 to Sep

Date of collection

Oct. 4-5, 8, 

10-11, 1954 ....

Oct. 12-20...... .

Nov. 11-20 ......

Dec. 1-10 .......

Dec. 11-20 .....#

Jan. 1-10, 1955 .. 

Jan. 11-20.......

Jan. 21-31.......

Feb. 20-28.......

Mean 

discharge 

(cfs)

92.4 

23.5 

19.6 

24.5 

24.2 

32.0 

29.7

29.7 

43.5 

40.0 

37.5 

32.5 

32.1

34.7 

37.8 

36.7

Silica 

(Si02)

11 

12 

9 3

11

10 

9.6 

9.3

9.3 

13 

14 

13 

14 

12

12 

11 

12

Iron 

(Fe)

Calcium 

(Ca)

340 

367 

436 

348 

312 

290 

282

294 

272 

284 

264 

278 

242

238 

256 

226

Magnesium 

(Mg)

75 

169 

175 

210 

222 

198 

209

198 

194 

193 

165 

162 

151

145 

153 

149

Sodium 

(Na)

180 

493 

486 

656 

650 

615 

600

550 

494 

456 

364 

374 

354

320 

347 

326

Potassium 

(K)

11 

13 

13 

13 

13 

11 

10

10 

7.4 

7.8 

7.1 

7.1 

5.9

6.3 

6.3 

6.3

Bicarbonate 

(HCO,)

187 

284 

290 

271 

289 

259 

284

314 

288 

378 

385 

464 

415

378 

424 

360

Sulfate 

(S04 )

1,320 

2,280 

2,450 

2.700 

2,620 

2,440 

2,410

2,270 

2,150 

1,970 

1,650 

1,630 

1,480

1.450 

1,540 

1,460

Chloride 

(Cl)

37 

83 

79 

83 

83 

71 

74

72 

64 

69 

64 

59 

55

56 

60 

55

Fluoride 

(F)

Nitrate 

(NOS )

2.8 

2.4 

2.1 

2.2 

2.5 

3.5 

2.9

3.0 

3.5 

3.4 

3.0 

3.2 

3.0

3.2 

3.6 

3. 1

Boron 

(B)

0.33 

.38

.30 

.25

.30

Pa

pe

mi

lio

2,0

3,5

3,7

4,1

4,0

3,7

3,7

3,5

3,3

3,1

2,7

2,7

2,5

2,4

2,5

2,4
Mar. 1-10, 1955. . Mar. 11, 15, 17-18

May 16-20 .......

May 21-24, 29-31

June 10-11, 13-19

July 11-13, 18 ... 

July 23, 26-29

Aug. 1, 4, 6, 10..

Aug. 12, 14, 18-19

Sept. 1-6, 9, 12, 30

Weighted average

53.8 

161 

103

62.8

59.6

70.0

84.7

153

9 

A

1.1 

9.1

50.3 

118

78.2

1.8

a46.2

11 

9.8

8.3

11

18 

16

13

15

13

11

156 

212

275

166

181

183

138

315 

498

417

405

91 Q

355

377

240

80 

102

1 Q^

129

89

91 9

233 

237

178

131

168

141

218 

375 

409

316

212

471

497

con

656 

469

375

345

420

379

4.9 

6.5

8.3

5.8

13

13 

18

18

15

15

8.5

294 

250

266

252

252

254 

215

240

262

203

295

883 

1,480 

1,650

1,320

888

2,690 

2,790

2,210

1,940

2,180

1,630

33 

41 

55

479- 9

44

30

108 

88

66

60

98

54

3.4 

3.3

1.5

1.5

1.9 

3.3

1.6 

1.1

1.2

4.4

2.3

2.4

.14 

.17

.17

.42

.32

.34

--

a Represents 91 percent of runoff for water year October 1954 to September 1955.
96 COLORADO RIVER BASIN

GREEN RIVER BASIN--Continued

SAN RAFAEL RIVER NEAR GREEN RIVER, UTAH Continued 

Temperature (°F) of water, water year October 1954 ^September 1955

Day

1

2

3

4

5

6

7

8

9

10

11

12

13

14

15

16

17

18

19

20

21

22

23

24

25

26

27

28

29

30

31

Average

Oct.

--

69

67

67

68

64

--

65

60

64

58

56

57

56

53

56

55

58

59

55

58

52

60

58

45

60

51

58

48

58

Nov.

58

50

48

48

45

48

45

46

46

45

45

45

50

51

47

49

44

--

43

41

48

42

43

43

41

43

42

35

36

36

45

Dec.

38

32

34

38

38

38

35

33

35

33

38

35

34

35

34

33

32

32

34

35

32

33

32

34

34

32

33

32

32

32

32

34

Jan.

32

32

32

32

32

32

32

32

32

32

32

32

32

32

32

32

32

32

32

32

32

32

32

32

32

32

32

32

32

32

32

32

Feb.

32

32

_

32

32

32

32

32

32

32

32

32

32

32

32

32

32

32

32

32

32

32

32

32

._

_

32

_

_

32

Mar.

32

32

32

32

32

..

32

32

..

--

34

__

_

__

--

..

40

45

_.

--

38

41

49

50

--

_

42

53

55

50

--

Apr.

50

45

49

54

50

54

52

52

59

58

45

55

59

52

--

..

55

55

60

58

52

61

62

58

55

59

61

55

61

55

May

60

55

59

68

68

69

67

64

55

60

74

65

61

66

52

65

59

64

69

69

70

62

70

66

65

60

65

69

72

65

64

June

60

67

65

60

72

65

75

75

74

75

72

60

71

61

73

70

71

70

80

79

80

80

75

70

65

70

73

72

70

73

71

July

68

70

70

72

70

73

78

77

75

75

80

85

_

--

_.

93

--

__

78

--

80

68

79

78

--

--

Aug.

93

_

..

78

77

__

79

76

78

76

75

80

74

78

74

78

77

78

75

70

82

74

73

--

--

Sept.

74

73

72

79

84

79

._

_.

80

--

84

_

..

--

_

__

_

--

..

__

__

--

_.

_

_

84

-
GREEN RIVER BASIN 97

GREEN RIVER BASIN Continued 

SAN RAFAEL RIVER NEAR GREEK RIVER, UTAH--Continued

Suspended sediment, water year October 1954 to September 1955

Day

1......

2. .....

3. .....

5. .....

7. .....

8. .....

9. .....

13. ..... 

14. .....

15. .....

20. .....

22. .....

24. ..... 

25. .....

31......

Total.

1...... 

2...... 

3...... 

4...... 

5......

8...... 

9...... 

10......

14. ..... 

15......

16. .....

18. .....

20. .....

22. ..... 

23. ..... 

24. ..... 

25......

26. ..... 

27. ..... 

28. ..... 

29. ..... 

30. ..... 

31...... 

Total.

October

Mean 

discharge 

(cfs)

14 

14 

14 

53 

24

24 

23 

291 

149 

49

45 

33 

25 

21 

18

17 

15 

15 

15 

17

17 

17 

17 

18 

19

36 

39 

30 

27 

25 

24

1,145

Suspended sediment

Mean 

concentration 

(ppm)

150 

150 

150 

6,870 

50

200 

240 

29, 600 

24,000 

8,700

5,500 

1,640 

670 

455 

360

255 

170 

220 

245 

245

270 

210 

195 

155 

90

1,160 

4,000 

1,180 

650 

505 

540

--

Tons 

per 

day

a6 

a6 

a6 

s2,080 

3

13 

15 

s 30, 800 

b9,700 

1,150

668 

146 

45 

26 

17

12 

7 

9 

10 

11

12 

10 

9 

8 

5

S153 

421 

96 

47 

34 

35

45,560

January

40 

40 

40 

40 

40

35 

35 

35 

35 

35

35 

35 

35 

35 

35

30 

30 

30 

30 

30

30 

30 

30 

30 

30

30 

33 

33 

33 

37 

37

1,053

230 

210 

200 

155 

200

215 

175 

185 

200 

265

380 

370 

255 

240 

225

200 

350 

265 

260 

225

180 

210 

190 

1195 

185

200 

230 

250 

225 

185 

205

--

25 

23 

22 

17 

22

20 

17 

17 

19 

25

36 

35 

24 

23 

21

16 

28 

21 

21 

18

15 

17 

15 

16 

15

16 

20 

22 

20 

18 

20

644

November

Mean 

discharge 

(cfs)

24 

25 

24 

24 

24

24 

24 

24 

24 

25

25 

25 

25 

53 

34

34 

32 

31 

31 

30

29 

29 

29 

30 

31

31 

31 

30 

29 

28

859

Suspended sediment

Mean 

concentration 

(ppm)

415 

435 

390 

360 

320

290 

205 

155 

160 

150

130 

150 

160 

1,800 

1,830

1,650 

1,400 

965 

800 

475

225 

160 

150 

135 

130

130 

160 

100 

125 

110

--

Tons 

per 

day

27 

29 

25 

23 

21

19 

13 

10 

10 

10

9 

10 

11 

s298 

168

151 

121 

81 

67 

38

18 

13 

12 

11 

11

11 

13 

8 

10 

8

1,256

February

37 

37 

35 

34 

34

34 

34 

34 

34 

34

34 

34 

34 

37 

40

42 

42 

42 

35 

35

35 

35 

35 

35 

35

40 

40 

40

1,017

195 

110 

130 

160 

130

270 

145 

190 

185 

175

180 

205 

215 

210 

210

215 

195 

180 

245 

265

255 

230 

255 

220 

240

290 

140 

70

--

19 

11 

b!2 

b!5 

12

25 

13 

17 

17 

16

17 

19 

20 

21 

23

24 

22 

20 

23 

25

24 

22 

24 

21 

23

31 

15 

8

539

December

Mean 

discharge 

(cfs)

25 

20 

23 

28 

31

31 

31 

34 

37 

37

37 

40 

43 

45 

45

45 

45 

45 

45 

45

40 

40 

40 

40 

40

40 

40 

40 

40 

40 

40

1,172

Suspended sediment

Mean 

concentration 

(ppm)

155 

135 

220 

1,180 

580

500 

550 

500 

265 

380

365 

375 

470 

460 

625

550 

320 

240 

375 

350

210 

195 

190 

260 

185

200 

165 

145 

140 

70 

180

-

Tons 

per 

day

10 

7 

14 

89 

49

42 

46 

46 

26 

38

36 

40 

55 

56 

76

67 

39 

29 

46 

43

23 

21 

21 

28 

20

22 

18 

16 

15 

8 

19

1,065

March

40 

40 

40 

46 

52

52 

54 

60 

70 

84

100 

116 

133 

150 

172

180 

190 

183 

173 

180

131 

92 

98 

135 

137

135 

98 

79 

78 

75 

75

3,248

1,050 

1,540 

3,580 

4,500 

2,580

1,200 

750 

2,040 

730 

2,660

2,650 

5,000 

9,900 

22, 200 

25,700

9,800 

4,300 

2,750 

2,250 

2,200

1,850 

1,450 

1,300 

1,550 

2,100

2,650 

2,200 

1,500 

1,050 

750 

750

113 

166 

387 

559 

362

b!70 

109 

330 

138 

603

716 

1,570 

b3,600 

8,990 

11,900

4,760 

2,210 

1,360 

1,050 

1,070

654 

360 

344 

565 

777

966 

b580 

320 

221 

152 

152

45,254

s Computed by subdividing day.

a Computed from water-sediment discharge curve.

b Computed from estimated concentration graph.
98 COLORADO RIVER BASIN 

GREEN RIVER BASIN--Continued

SAN RAFAEL RIVER NEAR GREEN RIVER, UTAH--Continued 

Suspended sediment, water year October 1954 to September 1955--Continued

Day

4. .....

5. .....

7. .....

8. .....

9. .....

10. .....

12. .....

13. ... ..

16......

17. .....

21......

25. .....

26......

31......

Total .

2. ..... 

3. ..... 

4. ..... 

5......

8. .....

10. .....

1 *?

15......

20. .....

23. ..... 

24. ..... 

25. .....

26. ..... 

27. ..... 

28. ..... 

29. ..... 

30. ..... 

31. .....

Total .

April

Mean 

discharge 

(cfs)

70 

61 

61 

60 

55

51 

51 

52 

47 

45

39 

38 

39 

37 

34

32 

34 

36 

33 

34

38 

51 

50 

45 

39

33 

27 

28 

29 

25

1,274

Suspended sediment

Mean 

concentration 

(ppm)

1,750 

1,000 

535 

335 

250

290 

250 

260 

300 

305

300 

255 

215 

145 

120

95 

95 

180 

90 

100

155 

275 

300 

310 

250

200 

125 

60 

70 

60

-

Tons 

per 

day

331 

165 

88 

54 

37

40 

34 

37 

38 

37

32 

26 

23 

14 

11

8 

9 

17 

8 

9

16 

38 

40 

38 

26

18 

9 

5 

5 

4

1,217

July

20 

16 

14 

11 

9.0

7.0 

5.6 

5.1 

4.0 

2.5

1.6 

1.2 

1.0 

.8 

.7

.6 

.5 

. 5 

.5 

.4

.4 

.4 

.4 

.4 

3.0

10 

24 

7.5 

3.6 

2.1 

.7

154.5

48

100 

125 

115 

335 

285

230 

320 

330 

200 

140

95 

50 

50 

50 

35

35 

35 

35 

35 

120

600 

3,400 

235 

50 

22 

22

Total discharge for year (cfs-c 

Total load for year (tons) ....

9

2 

2 

2 

4 

2

1 

1 

1 

(bt) 

(bt)

(bt) 

(bt) 

(et) 

(et 

(et)

(et) 

(et) 

(et) 

(et) 

el

e!6 

220

5 

(t) 

(t) 

(bt)

304

May

Mean 

discharge 

(cfs)

24 

23 

19 

19 

21

16 

13 

12 

11 

27

36 

37 

45 

84 

112

93 

78 

55 

40 

32

26 

49 

107 

148 

152

137 

121 

82 

62 

51 

47

1,779

Suspended sediment

Mean 

concentration 

(ppm)

70 

55 

35 

55 

80

35 

15 

30 

40 

60

70 

100 

140 

1,570 

2,340

1,490 

590 

440 

325 

200

120 

200 

1,510 

3,060 

2,530

1,770 

1,380 

1,100 

1,000 

500 

280

-

Tons 

per 

day

5 

3 

2 

3

5

2 

1 

1 

1 

4

7 

10 

17 

356 

708

374 

121 

65 

35 

17

8 

26 

s546 

1,220 

1,040

655 

451 

244 

167 

69 

36

6,199

August

0.2 

50 

20

14 

8.8

149 

157 

164 

73 

38

24 

18 

24 

179 

60

52 

62 

43 

73 

39

25 

19 

14 

10 

9.1

51 

57 

24 

21 

13 

8.8

1,499.9

70 

6,600 

3,800 

1,250 

540

43,700 

53,600 

56, 500 

21,000 

10,000

3,500 

1,000 

8,700 

60, 500 

41,000

 25,700 

22,200 

12,500 

19,500 

11,000

6,000 

3,700 

1,500 

550 

350

10,700 

30, 000 

26,900 

19,100 

3,200 

490

--

(t) 

b890 

b210 

47 

b!30

s30, 200 

824,800 

s27,900 

4,140 

a 1 , 000

a 230 

49 

b900 

s 50, 200 

6,890

3,610 

s3, 880 

1,450 

3,840 

b 1,200

b400 

190 

57 

15 

9

s4,680 

s4,900 

si, 890 

1,080 

bllO 

b!2

174,909

June

Mean 

discharge

(cfs)

77 

89 

86 

72 

58

53 

42 

71 

214 

333

294 

206 

155 

133 

108

114 

95 

78 

69 

62

59 

53 

45 

37 

38

35 

34 

31 

27 

24

2,792

Suspended sediment

Mean 

concentration 

(ppm)

485 

685 

400 

320 

250

150 

135 

1,340 

7,530 

12,100

9,200 

5,500 

3,770 

1,600 

600

405 

425 

400 

250 

175

160 

\ 140

105 

120 

115 

100

75

.

Tons 

per 

day

101 

165 

93 

62 

39

21 

15 

S393 

s4,570 

311,000

7,300 

b3,100 

1,580 

575 

175

125 

109 

84 

47 

29

25 

16

10 

11 

10 

7 

5

29,715

September

5.9 

4.0 

2.5 

1.7 

.9

.5 

.4 

.3 

.3 

.3

.2 

.2 

.2 

.2 

.2

.2 

.2 

.2 

1.2 

.2

.2 

.2 

.3 

.3 

.3

.2 

.2 

.2 

.2 

.2

22.1

350 

200 

130 

180 

80

15 

10 

6 

6

5

5 

5 

5 

5 

5

5 

5 

30 

100 

30

12 

5 

6 

6 

6

5 

5 

5 

5 

5

6 

2 

1 

1 

(t)

(et) 

(et) 

(et) 

(et) 

(et)

(et) 

(et) 

(et) 

(et) 

(et)

(et) 

(et) 

(et) 

(et) 

(et)

(et) 

(et) 

(et) 

(et) 

(et)

(et) 

(et) 

(et) 

(et) 

(et)

10.7

16,015.5 

306,672.7

e Estimated.

s Computed by subdividing day.

t L.-SS than 0. 50 ton.

a Computed from water-sediment discharge curve, 

b Computed from estimated concentration graph.
GREEN RIVER BASIN Continued 

SAN RAFAEL RIVER NEAR GREEN RIVER, UTAH Con

Particle-size analyses of suspended sediment, water year October 19

(Methods of analysis: B, bottom withdrawal tube; D, decantation; P, pipette; 

W, in distilled water; C, chemically dispersed; M, mechanical

Date 

of 

collection

Oct. 11, 1954....

Mar. 22, 1955 . . .

May 26 .........

Aug. 8 ..........

Aug. 29 .........

Time

4:15 p.m. 

2:05 p.m. 

2:50 p.m. 

2:40 p.m.

3:00 p.m. 

10:10 a.m. 

2:50 p.m. 

2:30 p.m.

2:40 p.m. 

2:30 p. m. 

2:15 p.m.

Discharge 

(cfs)

47 

31 

82 

81

38 

23 

91 

146

102 

48 

19

Water 

temperature 

(°F)

60 

44 

41 

42

53 

57 

59 

66

79 

74 

78

Suspended se

Concentration 

of sample 

(ppm)

5,770 

1,240 

1,380 

1,750

245 

68 

1,460 

2,050

47,100 

23,600 

13,600

Concentration 

of suspension 

analyzed 

(ppm)

3,490 

8,260 

3,820 

5,000

3,800 

891 

5,010 

4,540

3,840 

3,550 

4,400

Percent fine

0.002

35

0.004

85 

83 

70 

80

43 

54 

69 

47

71 

87 

91

0.008

68

0.016

99 

93 

90 

94

72 

76 

92 

72

94 

98 

100
COLORADO RIVER MAIN STEM

COLORADO RIVER AT HITE, UTAH

LOCATION. At gaging station at Hite, Garfield County, a quarter of a mile upstream from Trachyte Cree

stream from Dirty Devil River, and 84 miles upstream from San Juan River. 

DRAINAGE AREA. 76,600 square miles, approximately. 

RECORDS AVAILABLE. Chemical analyses: December 1950 to September 1955.

Water temperatures: May 1949 to September 1955.

Sediment records: October 1948 to September 1955. 

EXTREMES, 1954-55. Dissolved solids: Maximum, 1,420 ppm Sept. 21-30; minimum, 313 ppm May 21-30.

Hardness: Maximum, 708 ppm July 27; minimum, 184 ppm May 21-30.

Specific conductance: Maximum daily, 2,120 micromhos Jan. 2; minimum daily, 459 micromhos May 30.

Water temperatures: Maximum, 83°F July 17; minimum, freezing point December 29, February 19.

Sediment concentrations: Maximum daily, 21,400 ppm Oct. 9; minimum daily, 175 ppm on several days.

Sediment loads: Maximum daily, 712,000 tons Mar. 17; minimum daily, 1,440 tons Jan. 25. 

EXTREMES, 1948-55. Dissolved solids (1950-55): Maximum, 1,990 ppm Sept. 22, 1952; minimum, 251 ppm J

Hardness(1950-55) Maximum, 1,080 ppm Sept. 22, 1952; minimum, 155 ppm June 11-20, 1952.

Specific conductance (1950-55): Maximum daily,2,470 micromhos Sept. 22, 1952; minimum daily, 355 mi

Water temperatures (1949-55): Maximum, 83°F July 31, 1951, July 14, 29, 1953, July 27, 1955; minimu

months.

Sediment concentrations: Maximum daily, 34,300 ppm Aug. 4, 1951; minimum daily, 49 ppm Jan. 10, 195

Sediment loads: Maximum daily, 1,770,000 tons Aug. 4, 1951; minimum daily, 447 tons Jan. 10, 1951.

REMARKS.--Values reported for dissolved solids are sums of determined constituents. Records of specifi

office at Salt Lake City, Utah. Records of discharge for water year October 1954 to September 1955 

Chemical analyses, in parts per million, water year October 1954 to Sep

Date of collection

Oct. 1-10, 1954.... 

Oct. 11-20 ........

Oct. 21-31. ........

Nov. 21-30 ........

Dec. 11-20 ........

Dec. 21-22, 29-31.. 

Jan. 1-10, 1955. ... 

Jan. 11-20 ........

Jan. 21-31 ........

Mean 

discharge 

(cfs)

6,075 

6,892 

5,595 

5,241 

5,159 

4,882

4,519 

3,688 

2,846 

3,730 

3,485 

3.195

Silica 

(Si02)

16 

15 

17 

14 

11 

12

12 

15 

13 

14 

16 

16

Iron 

(Fe)

Calcium 

(Ca)

150 

155 

121 

119 

125 

119

120 

128 

140 

139 

120 

124

Magnesium 

(Mg)

48 

47 

46 

50 

49 

52

52 

56 

61 

60 

51 

52

Sodium 

(Na)

160 

145 

141 

154 

165 

169

179 

192 

210 

210 

182 

187

Potassium 

(K)

7.0 

7.2 

5.9 

5.7 

6.2 

6.2

6.2 

6.5 

6.9 

7.1 

4.8 

4.8

Bicarbonate 

(HC03 )

224 

220 

214 

216 

218 

232

229 

246 

285 

276 

236 

248

Sulfate 

(S04 )

561 

560 

465 

476 

490 

486

484 

523 

548 

539 

452 

458

Chloride 

(Cl)

106 

93 

101 

110 

125 

127

146 

154 

177 

184 

160 

172

Fluoride 

(F)

Nitrate 

(N03 )

2.9 

4.8 

4.6 

5.0

4.7 

4.4

5.0 

5.8 

6.9 

9.3 

6.6 

5.9

Boron 

(B)

0. 13 

.29

.15 

.26

Pa

pe

mi

lio

1

1

1

1

1

1

1

1

1

1

1

1
Feb. 1-10, 1955 ...

Feb. 20-28 ........

Mar. 1-10. ........ 

Mar. 11-20 ........

Mar. 21-31 .......

Apr. 1-10 .........

Apr. 11-20 ........

Apr. 21-30 ........

May 1-10... .......

May 11-20.........

May 21-31.........

June 11-20 ........

June 21-30 ........

July 11-20....... ..

July 21-26, 28-31 ..

Aug. 1-10

Aug. 11-20 ........

Aug. 21-31 ........

Sept. 1-10 ........

Sept. 11-20. .......

Sept. 21-30. .......

Weighted average

3,852

3,854

6, 150 

11,950

6,740

6,365

14, 150

17,030

26,430

20, 150

26,810

22,390

12,940

6,501

4,752 

4,660

6,462

5,977

4,012

2, 547

3, 135

b8,719

13

12

12 

9.4

12

12

11

13

11

13

14

13

11

12

12

17

18

16

10

10

13

110

114 

112

60

54

52

100

125

146

162

84

48

44

42 

35

40

20

17

15

16

26

39

41

42

67

30

179

161 

127

75

52

35

125

126

132

204

93

4.4

4.8 

3.8

3. 5

2.2

2. 5

5.3

6.2

7.4

7.2

4.1

227

201 

181

166

155

136

180

190

201

205

175

422

412 

425

319

1 C\fi

367

516

701

280

165

144 

73

25

30

100

87

155

70

5.6

5.8

3 O

5. 5

8.7

8. 5

9.8

4.4

. 17

.20

_.

1,

1,0

1,4

a Not included for computation of weighted average.

b Represents 99 percent of runoff for water year October 1954 to September 1955.
COLORADO RIVER BASIN

COLORADO RIVER MAIN STEM--Continued

COLORADO RIVER AT KITE, UTAH--Continued

Temperature (°F) of water, water year October 1954 to September 1955

Day

1

2

3

4

5

6

7

8

9

10

11

12

13

14

15

16

17

18

19

20

21

22

23

24

25

26

27

28

29

30

31

Average

Oct.

65

64

65

65

65

66

66

67

64

66

65

64

63

61

61

59

59

57

56

57

57

57

._

57

55

53

50

51

50

50

50

60

Nov.

50

50

49

49

49

49

49

48

48

48

46

48

48

49

49

49

40

47

47

47

46

45

45

45

47

46

44

44

42

40

--

47

Dec.

39

39

40

40

41

40

39

38

38

37

38

36

37

37

36

36

36

35

34

33

35

33

__

__

--

__

._

32

33

33

37

Jan.

33

34

34

34

34

34

34

33

33

34

34

33

33

33

33

35

34

34

34

33

33

33

._

33

34

35

35

34

35

35

33

Feb.

34

34

33

34

33

33

34

35

33

34

34

34

35

35

35

36

34

..

32

33

33

33

35

34

34

35

37

36

__

_.

--

34 | 34

Mar.

36

37

39

40

40

40

39

38

38

42

42

40

38

42

42

43

40

40

41

40

41

40

41

42

45

45

45

45

45

48

49

41

Apr.

50

50

48

47

46

47

48

48

50

52

52

52

51

52

54

54

56

55

54

54 _

53

54

53

53

58

56

53

54

56

57

--

52

May

58

56

54

55

57

59

62

60

60

61

61

62

62

62

60

59

58

57

58

59

60

63

63

64

64

64

63

62

62

62

--

60

June

62

60

61

61

62

63

65

68

69

69

67

68

67

66

66

67

67

67

69

70

70

71

72

72

71

70

70

70

70

71

--

67

July

69

69

69

71

71

73

72

72

72

73

73

73

75

77

79

79

83

79

79

79

79

78

80

79

79

79

78

78

77

78

79

76

Aug.

80

79

80

80

79

79

80

79

80

80

78

79

78

77

78

78

78

78

78

77

78

78

79

78

77

77

77

76

77

75

75

78

Sept.

76

75

79

74

75

74

75

76

75

74

73

73

73

73

72

71

70

69

68

65

65

65

64

66

64

63

63

63

63

63

--

70
COLORADO RIVER MAIN STEM 

COLORADO RIVER MAIN STEM Cont inued 

COLORADO RIVER AT KITE, UTAH Continued 

Suspended sediment, water year October 1954 to September 1955

103

Day

1......

2. .....

3......

4. .....

5 .....

7. .....

8......

9. .....

10. .....

11. . ....

12. .....

13. ... ..

14. .....

16. .....

17. .....

22......

25. .....

27. .....

31......

Total .

2. ..... 

3...... 

4...... 

5......

8. ..... 

9. ..... 

10. .....

12

15. .....

1 Q

20. .....

21......

22. ..... 

23. ..... 

24. ..... 

25. .....

26...... 

27. ..... 

28. ..... 

29. ..... 

30. ..... 

31...... 

Total .

October

Mean 

discharge 

(els)

7,070 

6,430 

5,890 

5,430 

5,020

4,880 

5,240 

7,080 

7,260 

6,450

8,120 

8,610 

7,910 

7,540 

7, 120

6,320 

5,950 

5,810 

5,730 

5,810

5,890 

5,790 

5,690 

5,530 

5,450

5,430 

5,430 

5,590 

5,450 

5,730 

5,570

191,220

Suspended sediment

Mean 

concentration 

(ppm)

7,100 

13,400 

11,300 

7,400 

5,600

4,600 

4,500 

9,680 

21,400 

9,900

7,500 

11,200 

10,300 

12, 500 

10,400

9,880 

7,700 

6,140 

6,800 

5,400

3,660 

2,050 

1,500 

1,550 

1,320

1,260 

1,390 

1,090 

1,120 

1,610 

2,070

--

Tons 

per 

day

136.000 

233,000 

180, 000 

108, 000 

75,900

60,600 

63, 700 

s 196, 000 

s 466, 000 

172, 000

164,000 

260,000 

220,000 

254, 000 

200,000

169, 000 

124,000 

96,300 

105,000 

84,700

58,200 

32,000 

a23,000 

23,100 

19,400

18,500 

20,400 

16, 500 

16, 500 

24,900 

31,100

3,651,800

January

2,750 

2,810 

2,970 

3,330 

3,620

4, 170 

4,970 

4,840 

4,090 

3,750

3,690 

3,660 

3 780 

3,660 

3,540

3,290 

3,250 

3,320 

3,380 

3,280

3,270 

3,270 

2,930 

2,930 

2,880

3 080 

2,990 

3,020 

3,320 

3,610 

3,850

107,300

375 

310 

285 

330 

385

470 

855 

780 

835 

715

490 

400 

325 

310 

735

320 

260 

230 

190 

185

205 

210 

210 

200 

185

200 

185 

180 

190 

220 

260

-

2,780 

2,350 

2,290 

2,970 

3,760

5,290 

11, 500 

10,200 

9,220 

7,240

4,880 

3,950 

3,320 

3,060 

7,030

2 840 

2,280 

2,060 

1,730 

1,640

1,810 

1,850 

a 1, 700 

1,580 

1,440

1,660 

1,490 

1,470 

1,700 

2,140 

2.700

109, 930

November

Mean 

discharge

(cfs)

5,200 

5,220 

5, 190 

5,260 

5,320

5,380 

5,510 

5,170 

5,090 

5,070

4,970 

4,720 

4,770 

4,930 

6,220

5,830 

5,150 

5,090 

4,930 

4,980

4,970 

4,950 

4,890 

4,950 

4,970

4,890 

4,880 

4,790 

4,730 

4,800

152,820

Suspended sediment

Mean 

concentration 

(ppm)

1,250 

850 

1, 170 

1,280 

980

650 

550 

540 

465 

425

755 

525 

510 

565 

800

2,130 

3,370 

3,000 

2,870 

1,620

1,020 

725 

585 

600 

505

460 

445 

450 

465 

455

-

Tons 

per 

day

17,600 

12, 000 

16,400 

18,200 

14, 100

9,440 

8,180 

7,540 

6,390 

5,820

10, 100 

6,690 

6,570 

7,520 

13,400

33, 500 

46, 900 

41,200 

38.200 

21,800

13, 700 

9,690 

7,720 

8,020 

6,780

6,070 

5,860 

5,820 

5,940 

5,900

417,050

February

3,760 

3,790 

3,920 

4,040 

3,970

4,020 

3,790 

3,880 

3,710 

3,640

3,430 

3,440 

3,480 

3, 590 

3, 540

3, 540 

3, 580 

4,080 

4,270 

4,350

4,510 

4,220 

3,840 

3, 570 

3,440

3,240 

3, 520 

4,000

106, 160

255 

240 

270 

285 

290

265 

285 

255 

180 

195

190 

190 

175 

175 

195

240 

175 

460 

490 

435

565 

530 

425 

275 

220

230 

320 

575

-

2,590 

2,460 

2,860 

3,110 

3,110

2,880 

2,920 

2,670 

1,800 

1,920

1,760 

1,760 

1,640 

1,700 

1,860

2.290 

1,690 

a 5, 100 

5,650 

5,110

6,880 

6,040 

4,410 

2,650 

2,040

2,010 

3,040 

6,210

88,160

December

Mean 

discharge 

(cfs)

4,730 

4,730 

4,460 

4,190 

4,090

4,360 

4,790 

5,110 

4,610 

4,120

4,040 

3,910 

3,710 

3,550 

3,760

3,850 

3,720 

3,620 

3,440 

3,280

3,100 

2,980 

2,940 

3,020 

3,110

3,160 

3,150 

3,040 

2,750 

2,700 

2,700

114,720

Suspended sediment

Mean 

concentration 

(ppm)

435 

405 

360 

405 

380

785 

785 

545 

600 

570

755 

1,020 

800 

480 

400

400 

340 

270 

220 

195

190 

205 

210 

210 

210

220 

220 

230 

250 

275 

325

--

Tons 

per 

day

5,560 

5,170 

4,340 

4,580 

4,200

9,240 

10, 200 

7,520 

7,470 

6,340

8,240 

10, 800 

8,010 

4,600 

4,060

4,160 

3,410 

2,640 

2,040 

1,730

1,590 

1,650 

a 1,700 

a 1, 700 

a 1, 800

a 1, 900 

a 1,900 

a 1, 900 

a 1, 900 

2,000 

2,370

134, 720

March

4,060 

4,510 

5,070 

5,510 

5,970

6,570 

8,120 

7,980 

7,010 

6,700

7,930 

14, 600 

12,800 

9,800 

9,000

15,600 

16. 700 

13, 900 

10, 600 

8,560

8,070 

7,610 

7.010 

6,360 

5,890

5,830 

6,090 

6,870 

7,470 

6,870 

6.070

255, 160

1,060 

2,070 

1,420 

1,580 

2,820

2,740 

2,940 

3,400 

3,280 

2,800

3,200 

10,900 

17, 500 

12,200 

12,200

11,900 

15, 800 

11, 500 

7,700 

5,500

4,180 

3,380 

2,620 

2,120 

1,930

1,650 

1,480 

1,530 

1,680 

1,630 

1,700

11, 600 

25,200 

19, 400 

23,500 

45, 500

48,600 

64, 500 

73,300 

62,100 

50, 700

68, 500 

s 429, 000 

605, 000 

323,000 

296,000

s 514, 000 

712,000 

432,000 

220, 000 

127,000

91, 100 

69,400 

49, 600 

36,400 

30, 700

26, 000 

24,300 

28,400 

33,900 

30,200 

27,900

4, 598, 800

s Computed by subdividing day.

a Computed from estimated concentration graph.
104 COLORADO RIVER BASIN

COLORADO RIVER MAIN STEM--Continued

COLORADO RIVER AT KITE, UTAH Continued

Suspended sediment, water year October 1954 to September 1955--Continued

Day

1......

2. .....

3. .....

5. .....

6. .....

8......

9. .....

10. .....

12. .....

13......

14. .....

15. .....

16. .....

17. .....

20. .....

21......

22......

24. .....

25......

26......

28......

31......

Total .

2. ..... 

3

4. ..... 

5......

8. .....

10. .....

13......

19. ..... 

20. .....

24...... 

25......

26. ..... 

27...... 

28...... 

29...... 

30. ..... 

31...... 

Total .

Aoril

Mean 

discharge 

(cfs)

5,670 

5,530 

5,830 

6,300 

6,510

6,660 

6,870 

6,920 

6,720 

6,640

6,760 

6,790 

7,290 

8,760 

9,380

9,330 

9,030 

9,770 

11,200 

12, 700

14, 000 

15, 500 

15, 000 

14, 300 

14, 000

13, 500 

12, 600 

12, 700 

14, 300 

15, 600

296. 160

Suspended sediment

Mean 

concentration 

(ppm)

1,620 

1,670 

1,440 

1,310 

1,440

1,260 

1, 170 

1,200 

1,500 

1,460

1, 550 

1,310 

1,280 

1,740 

2,320

2,340 

2,600 

3,100 

3,980 

4,740

5,000 

6,060 

5,600 

5,300 

5,030

4,350 

3,620 

3,080 

3, 500 

4,050

--

Tons 

per 

day

24,800 

24,900 

22, 700 

22,300 

25,300

22,700 

21,700 

22,400 

27,200 

26,200

28,300 

24,000 

25,200 

41,200 

58, 800

58, 900 

63,400 

81,800 

120,000 

163,000

189, 000 

254,000 

227,000 

205, 000 

190,000

159,000 

123, 000 

106,000 

135,000 

171,000

2.663,800

July

16, 800 

15, 900 

15, 200 

14, 200 

13,300

12, 500 

11, 600 

10, 700 

9,940 

9,230

8,660 

7,930 

7,230 

6,720 

6,360

6.090 

5,850 

5,610 

5,470 

5,090

4,720 

4,440 

4,200 

4, 150 

4, 120

4,220 

4,660 

4.350 

4,860 

5,650 

6,810

246. 560

1.330 

1,180 

1,120 

980 

1,000

915 

910 

855 

790 

775

675 

635 

710 

545 

415

415 

365 

365 

310 

345

325 

300 

260

470 

275

3, 540 

13,300 

5.600 

3,280 

1, 550 

2,750

--

Total discharge for year (cfsTotal load for year (tons) . . . .

60, 300 

50, 700 

46,000 

37,600 

35,900

30,900 

28. 500 

24,700 

21,200 

19,300

15,800 

13,600 

13,900 

9,890 

7,130

6,820 

5,770 

5, 530 

4,580 

4,740

4,140 

3,600 

2.950 

5,270 

3,060

s48, 500 

s 174, 000 

65,800 

43,000 

23,600 

50, 600

867,380

May

Mean 

discharge 

(cfs)

14,700 

14,300 

16, 600 

17, 700 

18, 500

16, 500 

16, 500 

17,300 

16,900 

21,300

25,600 

24,600 

25,600 

25,200 

24,200

25,100 

28,200 

30, 100 

29,000 

26,700

24,400 

21,400 

20,300 

22,000 

24,200

25,400 

26,600 

27,400 

27,300 

25,900 

24, 100

703,600

Suspended sediment

Mean 

concentration 

(ppm)

4,100 

3,600 

3,700 

3,800 

4,000

3,900 

3,740 

3,470 

3,600 

5, 150

6,900 

6,600 

5,400 

5,250 

5,010

4,780 

4,800 

4,580 

4,450 

4,050

3,800 

3,400 

3,000 

2,900 

2,900

3,200 

3, 180 

2.940 

2,900 

2,620 

2,600

-

Tons 

per 

day

163, 000 

139,000 

166,000 

182,000 

200, 000

174,000 

167,000 

162,000 

164,000 

296, 000

477,000 

438,000 

373,000 

357,000 

327,000

324,000 

365, 000 

372,000 

348,000 

292,000

250,000 

196,000 

164, 000 

172,000 

189,000

219,000 

228,000 

218,000 

214,000 

183,000 

a 170, 000

7,689,000

August

6,640 

5,810 

5,470 

5,650 

6,110

5,890 

6,240 

7, 520 

7,770 

7,520

6,740 

6,570 

6,130 

5,950 

5,810

5,830 

5,670 

5,810 

5,490 

5,770

6.090 

5,750 

5,150 

4,700 

4,440

4,190 

4,280 

4,650 

4.860 

5 500 

6,280

180,280

2, 100 

2,270 

2,260 

2, 540 

1, 500

2,300 

4,800 

5,000 

6,550 

6,400

7, 550 

9,300 

6,300 

17.400 

14, 000

7, 100 

6,000 

9.200 

10, 400 

8,000

4,920 

4,250 

3,310 

4, 110 

6,200

4,000 

12.200 

7,200 

5,350 

4,210 

5,540

-

37.600 

35,600 

33,400 

38,700 

24, 700

36,600 

80, 900 

102,000 

137.000 

130,000

137,000 

165,000 

104.000 

280,000 

220, 000

112,000 

91,900 

144,000 

154,000 

125,000

80, 900 

66, 000 

46,000 

52,200 

74,300

45,300 

141.000 

90.400 

70,200 

62, 500 

93,900

3,012, 100

June

Mean 

discharge 

(cfs)

22, 000 

21,300 

21,700 

21,300 

20, 100

19,400 

19, 000 

18, 700 

17, 900 

20, 100

26,400 

28,200 

26,800 

26, 800 

27,700

27,200 

27,400 

27, 000 

25,600 

25,000

24,400 

24,000 

24,400 

24,200 

24,200

23,800 

22, 100 

20,200 

18, 700 

17, 900

693, 500

Suspended sediment

Mean 

concentration 

(ppm)

2,740 

2,590 

2, 140 

1,910 

1,750

1,580 

1,480 

1,400 

1,550 

1,880

2,400 

2,600 

2,650 

2,500 

2,320

2,170 

2,300 

2,150 

2,020 

2,020

2,000 

1,910 

2, 180 

2,300 

2,050

1,920 

1,800 

1,670 

1, 560 

1,450

--

Tons 

per 

day

163, 000 

149,000 

125,000 

110,000 

95, 000

82, 800 

75, 900 

70, 700 

74, 900 

102, 000

171,000 

198, 000 

192, 000 

Igl, 000 

174, 000

159, 000 

170, 000 

157, 000 

140, 000 

136, 000

132, 000 

124, 000 

144, 000 

150,000 

134, 000

123, 000 

107, 000 

91, 100 

78, 800 

70, 100

3,880,300

September

5,550 

5,320 

4,820 

4,150 

3,790

3,680 

3,450 

3,320 

3, 140 

2,900

2,650 

2,600 

2,620 

2,620 

2,610

2,550 

2,510 

2,400 

2,440 

2,470

2,630 

2,820 

3,200 

3,230 

3,240

3,340 

3,320 

3,270 

3, 190 

3, 110

96,940

5,600 

7,000 

7, 700 

9, 150 

7,000

3,550 

3,120 

2,000 

2,900 

2,900

2,040 

1,000 

650 

455 

435

340 

280 

270 

260 

250

285 

295 

335 

400 

465

1,050 

1, 140 

940 

745 

440

--

83,900 

101,000 

100, 000 

103, 000 

71, 600

35, 300 

29, 100 

17,900 

24, 600 

22,700

14, 600 

7,020 

4,600 

3,220 

3,070

2,340 

1,900 

1,750 

1,710 

1,670

2,020 

2,250 

2, 890 

3,490 

4,070

9,470 

10, 200 

8,300 

6, 420 

3,690

683, 780

3,144,420 

27, 796, 820

s Computed by subdividing day.

a Computed from estimated concentration graph.
COLORADO RIVER MAIN STEM--Continued 

COLORADO RIVER AT KITE, UTAH--Continued

Particle-size analyses of suspended sediment, water year October 1954 

(Methods of analysis: B, bottom withdrawal tube; D, decantation; P, pipette; 

W, in distilled water; C, chemically dispersed; M, mechanicall

Date 

of 

collection

Oct. 21, 1954

Nov. 20

Dec. 20

Jan. 22, 1955 

Mar. 1

Mar. 12

Mar. 13

Mar. 14

Mar. 16

Mar. 16

Mar. 17

Mar. 19

Apr. 9

Apr. 20

Apr. 23

May 1

May 8

May 10

May 11

May 17

May 25

June 6

June 12

June 24

July 4 ............

July 21. ..........

July 27 ........ .

July 29 ...........

July 31 ...........

Time

5:45 p. m. 

9:50 a.m. 

9:05 a.m. 

3:30 p.m. 

9:50 a.m. 

7:10 a.m.

7:25 a.m. 

7:30 a.m. 

9:35 a. m. 

5:55 p. m. 

6:30 p.m. 

6:15 p. m.

8:35 a.m. 

6:30 p.m. 

7:25 a.m. 

6:55 a. m. 

7:20 p.m. 

7:15 p.m.

1:05 p.m. 

6:40 p.m. 

7:55 a. m. 

7:20 p.m. 

12:05 p.m. 

7:05 a.m.

7:30 a.m. 

6:05 p.m. 

1:00 p. m. 

6:45 a. m. 

6:20 a.m. 

6:50 a. m.

Discharge

(cfs)

5,910 

5,060 

3,340 

3,230 

3,940 

16, 700

14,700 

10. 000 

16, 500 

19, 100 

15,900 

9,770

6,740 

13,000 

15,200 

14, 900 

17,300 

24,000

25,800 

29.000 

23,700 

19,300 

28,300 

24,300

14,400 

4,630 

4, 500 

4.060 

4,890 

6.700

Water 

temperature 

<°F)

59 

47 

33 

33 

36 

40

38 

42 

44 

44 

41 

43

50 

56 

53 

58 

61 

62

63 

59 

64 

67 

69 

72

71 

84 

80 

78 

77 

79

Suspended sed

Concentration 

of sample 

(ppm)

3,250 

1,670 

208 

207 

1, 170 

9,320

18,900 

11,800 

10,400 

13,200 

16,300 

6,710

1,400 

4,720 

5,630 

3,750 

3,340 

5,700

6,820 

4,710 

2,700 

1, 520 

2, 530 

2,250

907 

285 

11,400 

4,250 

3,680 

1.250

Concentration 

of suspension 

analyzed 

(ppm)

5,190 

5,140 

2,360 

3,670 

4,080 

4, 960

5,240 

3,820 

5,900 

4,020 

4,930 

3, 500

4,420 

4,740 

4,160 

5,550 

4,960 

4,200

5, 130 

6, 140 

3,640 

5, 130 

4,040 

3,840

2,950 

4,700 

3,560 

4,880 

4,070 

3. 100

Percent fine

0.002 0.004

73 

69 

55 

49 

49 

33

50 

49 

41 

34 

37 

50

64 

38 

41 

35 

31 

23

30 

22 

22 

23 

19 

30

21 

32 

59 

59 

64 

44

0.008 0.016

87 

90 

75 

77 

82 

59

82

77 

68 

67 

77 

83

84 

63 

65 

57 

55 

43

52 

42 

38 

40 

37 

40

30 

49 

90 

86 

88 

59

0
COLORADO RIVER MAIN STEM Continued 

COLORADO RIVER AT KITE, UTAH--Continued

Particle-size analyses of suspended sediment, water year October 1954 to Se

(Methods of analysis: B, bottom withdrawal tube; D, decantation; P, pipette; 

W, in distilled water; C, chemically dispersed; M, mechanica

Date 

of 

collection

Aug. 1, 1955....

Ana 7

Aug. 13..........

Aug. 14..........

Aug. 15..........

Aug. 28..........

Aug. 30 .........

Sept. 1 ..........

Sept. 16. .........

Time

6:00 p.m. 

7:40 p.m. 

7:50 p. m. 

1:25 p.m. 

10:00 a. m. 

7:20 a.m.

6:20 a.m. 

6:20 a.m. 

7:05 a.m. 

3:35p.m. 

5:00 p.m. 

7:25 a.m.

6:45 a.m. 

12:15 p.m. 

1:30 p.m. 

7:05 a.m. 

9:50 a.m. 

7:10 a.m.

7:40 p.m. 

4:25 p.m. 

6:30 p.m. 

7:55 a.m.

Discharge

(cfs)

6,490 

6,400 

5,830 

6,220 

7,290 

7,590

6,920 

6,260 

5,570 

6,430 

6,240 

5,950

5,810 

5,890 

5,410 

6,300 

4,390 

4,500

6,220 

6, 170 

5,340 

2,550

Water 

temperature

CF)

82 

80 

80 

82 

81 

80

78 

78 

77 

80 

80 

78

78 

82 

82 

78 

78 

76

78 

80 

78 

71

Suspended se

Concentration 

of sample 

(ppm)

1,730 

1,450 

3,630 

6,240 

4,880 

6,400

7,440 

7, 500 

3,070 

32, 100 

30,400 

14,300

5,790 

8,320 

8,290 

4,870 

16, 800 

7,950

4, 510 

5,080 

5,210 

307

Concentration 

of suspension 

analyzed 

(ppm)

3,620 

4,540 

3,920 

3,510 

5,440 

3,630

4, 110 

4, 140 

3,360 

4,750 

4,450 

3,880

4,140 

5,220 

5,020 

5,740 

4,140 

4,890

5,260 

3,370 

3,370 

3, 540

Percent fin

0.002 0.004

54 

50 

66 

71 

68 

69

73 

72 

72 

52 

51 

59

69 

61 

68 

67 

55 

63

66 

66 

72 

62

0.008 0.016

76 

70 

93 

92 

83 

86

91 

93 

91 

85 

83 

85

83 

86 

81 

84 

90 

87

80 

85 

90 

72
SAN JUAN RIVER BASIN Continued 

SAN JUAN RIVER NEAR ARCHULETA, N. HEX.

LOCATION.--At gaging station, 4i miles downstream from Los Pinos River and 4i miles northeast of Arc

DRAINAGE AREA. 3,240 square miles, approximately.

RECORDS AVAILABLE. Chemical analyses: December 1954 to September 1955.

Water temperatures: December 1954 to September 1955.

Sediment records: December 1954 to September 1955. 

EXTREMES, 1954-55. Specific conductance: Maximum daily, 634 micromhos Aug. 5; minimum daily, 127 m

Water temperatures: Maximum, 79°F Aug. 19; minimum, freezing point on many days during winter mon

Sediment concentrations: Maximum daily, 32,800 ppm July 27; minimum daily, 20 ppm Dec. 7, Feb. 12

Sediment loads: Maximum daily, 152,000 tons July 27; minimum daily, 10 tons (estimated) Dec. 1-6.

REMARKS. Values reported for dissolved solids are residues on evaporation. Records of specific con

at Albuquerque, N. Mex. Flow affected by ice Dec. 16, Dec. 18 to Mar. 10. This station was form

and records were published as San Juan River near Blanco, N. Mex. Records of discharge for Decem

Chemical analyses, in parts per million, December 1954 to Septembe

Date of collection

Dec. 11-20, 1954.

Jan. 1-10, 1955 ..

Sept. 1-30 .......

Weighted average

Mean 

discharge 

(cfs)

199 

190 

221 

186

230 

446 

479 

900 

2,140

2,010 

684 

689 

1,080

472

a 847

Silica 

(Si02)

18

19

16

16

Iron 

(Fe)

0.00

.00

.04

.06

Calcium 

(Ca)

46

46

37

32

Magnesium 

(Mg)

12

10

7.6

5.9

Sodium 

(Na)

39

37

23

19

Potassium 

(K)

3.2

3.3

3.0

3.3

Bicarbonate 

(HCO3 )

164

150

117

111

Sulfate 

(S04 )

97

96

68

46

Chloride 

(Cl)

9.0

8.5

5.2

6.0

Fluoride 

(F)

0.3

.3

.3

.3

Nitrate

(Ncg

0.0

.2

.5

. 1

Boron 

(B)

0.06

.02

.11

.08

P

p

m

l

a Average for 294 days.
108 COLORADO RIVER BASIN

SAN JUAN RIVER BASIN Continued 

SAN JUAN RIVER NEAR ARCHULETA, N. HEX. Continued

Temperature (°F) of water, December 1954 to September 1955 

/Once-daily measurement, generally between 11 a. m. and 6 p. m.J

Day

1

2

3

4

5

6

7

3

9

10

11

12

13

14

15

16

17

13

19

20

21

22

23

24

25

26

27

28

29

30

31

Average

Oct. Nov. Dec.

._

--

--

..

42

31

34

33

38

37

38

36

37

32

32

32

33

32

32

33

a31

33

32

32

32

32

32

32

32

--

Jan.

32

32

32

32

32

32

32

32

32

32

33

32

32

33

32

32

32

32

32

32

32

32

32

32

32

32

32

32

32

32

32

32

Feb.

32

32

32

32

32

32

32

32

32

32

32

32

32

32

32

32

32

32

32

32

32

32

32

b32

32

32

32

32

..

32

Mar.

32

32

32

32

33

32

32

33

32

34

36

40

49

44

50

b69

b40

b44

36

40

b36

40

b46

b48

46

48

46

46

b50

b48

b46

41

Apr.

a 46

b44

b40

b42

44

b46

a 42

a42

a 43

a 44

a45

49

a46

a 46

b53

b59

49

b49

49

b51

b53

b43

49

a 48

b57

55

b50

52

b53

b50

--

43

May

b51

51

b51

b51

b56

b58

b56

b54

49

b48

51

58

b56

b57

b53

b53

b50

b48

50

b56

a 54

b57

b57

b56

a 53

a54

b54

a 54

b67

a 54

59

54

June

53

b53

b56

58

b56

b60

64

60

60

b57

b59

b56

b59

60

b61

a 58

b60

a 57

b65

a 59

a 59

a 60

a 63

a 63

a 65

a 59

a 60

72

a 62

70

60

July

a 62

a 63

a 66

a 62

a 62

a 64

a 64

a 62

a 62

a 70

66

a 62

a 63

a 63

a 66

a 63

a 63

74

a 66

a 66

a 66

b74

a 63

a 66

b72

72

68

66

a 66

a 72

b74

67

Aug.

78

76

a 63

a70

72

b72

b72

b74

78

b73

b74

b74

63

b74

b75

a 70

--

76

79

b75

b75

b70

74

b72

b74

b76

b72

b72

a65

a 65

a 65

72

Sept.

71

a 66

a 64

a 63

a 64

a 65

69

b71

a 64

a 60

a 60

a 61

b70

b69

a 62

b67

a 63

64

63

63

a 57

a 59

a 57

61

a 54

53

62

a 54

--

63

a Measurement before 11 a. m. 

b Measurement after 6 p. m.
SAN JUAN RIVER BASIN 

SAN JUAN RIVER BASIN--Continued

SAN JUAN RIVER NEAR ARCHULETA, N. MEX.--Continued 

Suspended sediment, December 1954 to September 1955

109

Day

1......

4. .....

7. .....

8. .....

9. .....

10. .....

11......

14......

15......

16. .....

17......

18. .....

19. .....

20......

21......

31......

Total.

3. .....

5......

&.....

10. .....

13. .....

15. .....

22. ..... 

23. ..... 

24...... 

25......

26...... 

27...... 

28. ..... 

29. ..... 

30. ..... 

31...... 

Total .

October

Mean 

discharge 

(cfs)

Suspended sediment

Mean 

concentration 

(ppm)

Tons 

per 

day

January

180 

200 

230 

240 

240

220 

210 

230 

230 

230

220 

210 

190 

170 

180

190 

200 

200 

190 

200

180 

160 

130 

140 

150

170 

190 

20Q 

210 

210 

210

6,110

92 

106 

169 

124 

70

122 

112 

75 

112 

59

52 

91 

50 

65 

42

40 

60 

52 

58 

47

46 

28 

37 

43 

46

62 

58 

55 

54 

42 

50

--

45 

57 

105 

80 

45

72 

64 

47 

70 

37

31 

52 

26 

30 

20

23 

32 

28 

30 

25

22 

12 

13 

16 

19

28 

30 

30 

31 

24 

28

1,172

November

Mean 

discharge

(cfs)

Suspended sediment

Mean 

concentration 

(ppm)

Tons 

per 

day

February

210 

220 

220 

220 

210

210 

210 

220 

230 

220

210 

210 

220 

230 

250

260 

270 

250 

240 

230

210 

220 

240 

, 240 

230

230 

250 

270

6,430

82 

102 

59 

36 

28

25 

29 

28 

40 

33

32 

20 

23 

33 

57

50 

59 

68 

54 

46

27 

33 

44 

34 

21

33 

40 

57

-

46 

61 

35 

21 

16

14 

16 

17 

25 

20

18 

11 

14 

20 

38

35 

43 

46 

35 

29

15 

20 

29 

22 

13

20 

27 

42

748

December

Mean

discharge 

(cfs)

220 

220 

210 

230 

250

235 

240 

232 

202 

188

248 

296 

264 

228 

168

130 

146 

160 

160 

190

200 

210 

210 

210 

230

230 

200 

150 

140 

150 

160

6.307

Suspended sediment

Mean 

concentration 

(ppm)

20 

24 

130 

108

52 

42 

34 

21 

32

42 

121 

125 

91 

108

89 

84 

22 

86 

57

76 

58 

53 

45 

97 

32

-

Tons 

per 

day

elO

13 

15 

71 

55

35 

34 

24 

13 

15

15 

48 

54 

39 

55

48 

48 

12 

49 

35

47 

31 

21 

17 

39 

14

907

March

300 

330 

350 

360 

370

350 

330 

400 

500 

600

786 

702 

613 

639 

613

618 

500 

405 

380 

385

410 

345 

296 

315 

345

420 

410 

375 

385 

435 

5fiR

13,827

51 

67 

730 

1,600 

3,150

3,950 

750 

1,380 

5,300 

6,200

4,300 

3,400 

2,610 

2,800 

2,680

2,300 

1,800 

615 

340 

190

387 

147 

107 

88 

114

144 

202 

176 

87 

266 

751

41 

60 

690 

1,560 

3,150

3,730 

668 

1,490 

7,160 

10,000

9,130 

6,440 

4,320 

4,830 

4,440

3,810 

2,430 

673 

349 

198

428 

137 

86 

75 

106

163 

224 

178 

90 

~12 

1,100

68,068
110 COLORADO RIVER BASIN 

SAN JUAN RIVER BASIN--Continued

SAN JUAN RIVER NEAR ARCHULETA, N. HEX.--Continued 

Suspended sediment, December 1954 to September 1955--Contmued

Day

1.... ..

2. .....

3.. ....

5. .....

6. .....

8. .....

9. .....

11.. ....

12. ... ..

15. ... ..

16. . ....

17. .....

18. ... ..

19. .....

21......

22......

23......

25......

26......

28. ... ..

29. ... ..

31. ... ..

Total .

5. .....

8. ..... 

g

13

14. .....

1 ft

23

25. .....

26...... 

27. ..... 

28...... 

29. . .... 

30. ..... 

31. . .... 

Total .

April

Mean 

discharge 

(cfs)

577 

589 

674 

529 

410

430 

435 

410 

365 

375

445 

577 

461 

517 

751

865 

1,130 

1,110 

858 

779

737 

888 

1,080 

966 

942

1,020 

1,180 

1,180 

1,240 

1,270

22,790

Suspended sediment

Mean 

concentration 

(ppm)

511 

790 

878 

287 

278

432 

234 

118 

106 

112

105 

300 

131 

108 

1,000

2,320 

3,220 

3,110 

1,310 

652

503 

980 

1,630 

1,010 

830

1,200 

2,240 

1,900 

1,920 

2,100

--

Tons 

per

day

796 

1,260 

1,600 

410 

308

502 

275 

131 

104 

113

126 

467 

163 

151 

2,030

5,420 

9,820 

9,320 

3,030 

1,370

1,000 

2,350 

4,750 

2,630 

2,110

3,300 

7,140 

6,050 

6,430 

7,200

80,356

July

835 

786 

751 

730 

723

681 

632 

577 

520 

600

758 

667 

639 

619 

450

450 

500 

550 

577 

490

500 

553 

601 

500 

610

1,000 

1,650 

1,130 

902 

646 

681

21,308

77 

73 

91 

113 

107

107 

106 

98 

87 

114

4,980 

5,150 

1,600 

489 

290

189 

341 

664 

138 

181

659 

2,220 

923 

2,700 

3,430

3,000 

32,800 

11,800 

4,000 

859 

692

--

Total discharge for period (cfs 

Total load for period (tons) . .

174 

155 

185 

223 

209

197 

181 

153 

122 

185

516,600 

9,270 

2,760 

817 

352

230 

460 

986 

215 

239

890 

3,310 

1,500 

3,640 

5,650

8,100 

152,000 

36,000 

9,740 

1,500 

1,270

257,313

May

Mean

discharge 

(cfs)

1,250 

1,210 

1,350 

1,140 

1.130

1,210 

1,510 

2,300 

3,100 

2,800

2,600 

2,400 

2,300 

2,400 

2,500

2,500 

2,300 

1,980 

1,770 

1,580

1,720 

2,200 

2,540 

2,570 

2,680

2,670 

2,490 

2,200 

2,300 

2,770 

2,980

66,450

Suspended sediment

Mean 

concentration 

(ppm)

1,500 

1,280 

1,450 

740 

860

1,130 

2,300 

5,370 

8,400 

4,050

3,880 

2,160 

1,460 

1,230 

1,460

1,340 

850 

590 

432 

428

348 

910 

1,140 

990 

1,150

880 

700 

490 

732 

950 

1,130

-

Tons 

per 

day

5,060 

4,180 

5,290 

2,280 

2,620

3.690 

9,380 

33,300 

70,300 

30,600

27,200 

14,000 

9,070 

7.970 

9,660

9,040 

5,280 

3,150 

2,060 

1,830

1,620 

5,410 

7,820 

6,870 

8,320

6,340 

4,710 

2,910 

4,550 

7,110 

9,090

320,910

August

842 

744 

895 

918 

1.390

1,120 

1,050 

1,160 

1,050 

1,070

1,020 

1,050 

1,400 

1,200 

900

1,100 

1,000 

1,000 

1,000 

1,100

1,200 

1,100 

1,200 

950 

926

850 

1,820 

1,430 

1,210 

1,010 

872

33,577

1,200 

3,200 

4.500 

8,100 

17,900

13,200 

3,600 

8,940 

2,820 

5,600

6,600 

2,020 

10,800 

9,000 

3,010

8,940 

2,820 

6,120 

3,709 

4,920

2,920 

15,800 

10,000 

5,610 

2,180

1,060 

6,920 

15,600 

11,400 

11,100 

1,600

--

2,730 

6,430 

10,900 

20,100 

67,200

39,900 

10,200 

28,000 

7,990 

16,200

18,200 

5,730 

40,800 

29,200 

7,310

26,600 

7,610 

16,500 

9,990 

13,700

9,460 

46,900 

32,400 

14,400 

5,450

2,430 

s 89, 000 

60, 200 

37,200 

30,300 

3,770

716,800

June

Mean 

discharge 

(cfs)

2,450 

1,980 

1,690 

1,660 

1,700

1,770 

2,530 

3,260 

3,560 

3.260

2,790 

2,640 

2,480 

2,500 

2,370

2,080 

2,070 

2,080 

1,970 

1,880

1,800 

1,710 

1,600 

1,580 

1,470

1,280 

1,170 

1,040 

934 

910

60,214

Suspended sediment

Mean 

concentration 

(ppm)

540 

340 

253 

247 

295

457 

1,490 

2,310 

2,200 

1,380

780 

710 

530 

670 

460

364 

350 

414 

243 

219

190 

163 

135 

140 

112

95 

90 

89 

68 

60

-

Tons 

per 

day

3,570 

1,820 

1,150 

1,110 

1,350

2,180 

10,200 

20,300 

21,100 

12,100

5,880 

5,060 

3,550 

4,520 

2,940

2,040 

1,960 

2,330 

1,290 

1,110

923 

753 

583 

597 

445

328 

284 

250 

171 

147

110,041

September

793 

653 

565 

535 

505

415 

365 

325 

310 

310

315 

320 

355 

340 

335

335 

385 

595 

762 

786

607 

483 

440 

435 

639

577 

500 

425 

395 

355

14,160

607 

283 

219 

164 

138

102 

85 

68 

61 

63

69 

82 

84 

67 

64

70 

400 

2,500 

4,810 

15,000

4,750 

2,000 

362 

184 

3,500

3,940 

3,140 

442 

177 

128

--

1,300 

499 

334 

237 

188

114 

84 

60 

51 

53

59 

71 

81 

62 

58

63 

416 

4,020 

s 16, 800 

31,800

7,780 

2,610 

430 

216 

6,040

6,140 

4,240 

507 

189 

123

84,625

251,173 

1,640,940

s Computed by subdividing day.
SAN JUAN RIVER BASIN--Continued 

SAN JUAN RIVER NEAR ARCHULETA, N. MEX.--Contin

Particle-size analyses of suspended sediment, December 1954 to Sep

(Methods of analysis: B, bottom withdrawal tube; D, decantation; P, pipette; S, s

W, in distilled water; C~, chemically dispersed; M, mechanically dispersed; V, vis

Date 

of 

Collection

Mar. 3, 1955.. .

June 8 .........

Sept. 20 .......

Time

8:25 a.m. 

6:00 p.m. 

11:45 a.m. 

7:30 a.m. 

6:36 p.m.

12:37 p.m. 

4:45 p. m. 

1:12 p. m. 

1:52 p. m. 

5:50 p. m.

9:00 a.m. 

9:15 a.m. 

4:15 p. m. 

2:00 p. m. 

7:12 a.m. 

7:08 a.m. 

8:45 a.m.

Discharge 

(cfs)

a470 

a 600 

571 

535 

b2,900

b3,400 

2,600 

4,110 

4,270 

2,600

625 

1,520 

1,130 

1,260 

974 

1,020 

709

Water 

temperature 

(°F)

32 

32 

50 

34

54

49 

58 

60 

60 

66

68 

66 

78 

75 

68 

65 

59

Suspended sedim

Concentration 

of sample 

(ppm)

1,260 

9,500 

2,880 

2,250 

10,200

8,130 

2,180 

3,510 

3,170 

15,800

1,660 

33,200 

3,090 

7,780 

8,080 

13,900 

16,600

Concentration 

of suspension 

analyzed 

(ppm)

3,160 

5,130 

2,640 

2,820 

4,290

3,560 

3,200 

6,100 

6,760 

4,030

4,230 

4,630 

3,470 

3,780 

3,620 

4,740 

4,140

Percent finer t

0.002 0.004

84 

65 

67 

67 

21

26 

27 

18 

21 

59

85 

64 

47 

30 

65 

71 

75

0.008 0.016

90 

89 

89 

91 

38

46 

38 

33

41 

88

97 

91 

72 

59 

86 

93 

97

0.0

a Flow affected by ice.

b Doubtful gage-height record; discharge estimated.
SAN JUAN RIVER BASIN--Continued 

SAN JUAN RIVER NEAR BLANCO, N. MEX.

LOCATION. At highway bridge, half a mile downstream from gaging station which is 1 mile upstream from 

San Juan County.

DRAINAGE AREA. 3,560 square miles, approximately (at gaging station). 

RECORDS AVAILABLE. Chemical analyses: October 1945 to December 1954(discontinued). 

Water temperatures: March 1949 to December 1954(discontinued). 

Sediment records: March 1949 to December 1954(discontinued).

EXTREMES, 1945-54.--Dissolved solids: Maximum, 1,030 ppm Aug. 16, 1947; minimum, 80 ppm July 1-8, 194

Hardness: Maximum, 680 ppm Aug. 16, 1947; minimum, 48 ppm July 1-8, 1949.

Specific conductance: Maximum daily, 1,420 micromhos Aug. 16, 1947; minimum daily, 107 micromhos Ju

Water temperatures(1949-54): Maximum, 87°F July 10, 1954; minimum, freezing point on many days duri

Sediment concentrations(1949-54) : Maximum daily, 51,300 ppm July 23, 1954; minimum daily, 8 ppm Nov

Sediment loads(1949-54): Maximum daily, 418,000 tons July 23, 1954; minimum daily, 1 ton Sept. 20-2

REMARKS. Values reported for dissolved solids are residues on evaporation. Records of specific condu

at Albuquerque, N. Hex. No appreciable inflow between gaging station and sampling point. Site of 

December 1954 to gaging station located on San Juan River near Archuleta, N. Hex. Records of disch

WSP 1393.

Chemical analyses, in parts per million, period October to December 

Date of collection

Oct. 1-10, 1954 . . 

Oct. 11-20..... ..

Nov. 1-10 .......

Dec. 21-23 ......

Mean 

discharge 

(cfs)

734 

619 

374

352 

232 

173

163 

158 

193

Silica 

(Si02)

14

Iron 

(Fe)

0.00

Calcium 

(Ca)

32

Magnesium 

(Mg)

5.7

Sodium 

(Na)

19

Potassium 

(K)

3.5

Bicarbonate 

(HCO,)

114

Sulfate 

(S04 )

45

Chloride 

(Cl)

5.0

Fluoride 

(F)

0.2

Nitrate 

(N03)

0.6

Boron 

(B)

0.08

Pa

p

m

lio

1
SAN JUAN RIVER BASIN 

SAN JUAN RIVER BASIN--Continued 

SAN JUAN RIVER NEAR BLANCO, N. HEX.--Continued

Temperature (°F) of water, October to December 1954 

/Once-daily measurement, generally between 11 a. m. and 6 p. mf"/

113

Day

1

2

3

4

5

6

7

8

9

10

11

12

13

14

15

16

17

18

19

20

21

22

23

24

25

26

27

28

29

30

31

Average

Oct.

a 59

--

-_

--

67

61

70

a 64

66

64

68

64

69

60

a 58

60

60

60

61

57

58

60

61

55

55

53

52

50

58

54

a48

60

Nov.

54

52

52

54

51

45

48

45

55

53

59

56

42

52

52

49

48

51

45

45

45

46

50

51

50

48

45

39

42

45

--

49

Dec.

39

41

42

38

40

39

42

38

35

40

39

40

39

39

37

37

35

-_

38

40

..

38

__

39

37

..

..

__

_-

._

--

--

Jan. Feb. Mar. Apr. May June July Aug. Sept.

a Measurement obtained before 11 a. m.
114 SAN JUAN RIVER BASIN 

SAN JUAN RIVER BASIN--Continued 

SAN JOAN RIVER NEAR BLANCO, N. HEX.--Continued 

Suspended sediment, October to December 1954

Day

1. .... .

2. .....

3. .....

4. .....

5. .....

6......

9. .....

10. .....

11. ... ..

12. .....

15. .....

21. ... ..

23......

25. .....

26......

28. .....

30. ..... 

31...... 

Total .

October

Mean 

discharge 

(cfs)

662 

632 

680 

668 

680

731 

745 

780 

836 

928

936 

830 

820 

660 

572

536 

500 

460 

440 

440

416 

398 

377 

365 

365

381 

377 

377 

361 

349 

345

17,647

Suspended sediment

Mean 

concentration 

(ppm)

421

400

430 

800

1,300 

1, 150 

2,630 

1, 700 

1,610

1, 190 

630 

191 

332 

461

410 

371 

541 

203 

171

154 

129 

121 

169 

89

118 

92 

74 

55 

79 

51

--

Tons 

per 

day

752 

a 680 

b 1, 500 

a 780 

1,470

2, 570 

2.310 

5,540 

3,840 

4,030

3,010 

1,410 

423 

592 

712

593 

501 

672 

241 

203

173 

139 

123 

167 

88

121 

94 

75 

54

74 

48

32,985

November

Mean 

discharge 

(cfs)

361 

369 

365 

369 

385

377 

365 

349 

329 

249

230 

227 

230 

262 

256

236 

230 

230 

224 

195

195 

203 

206 

192 

169

169 

160 

149 

142 

149

7,572

Suspended sediment

Mean 

concentration 

(ppm)

99 

78 

94 

65 

93

50 

51 

41 

45 

52

36 

105 

32 

48 

27

26 

35 

26 

24 

25

29 

29 

46 

32 

32

32 

26 

26 

108 

42

--

Tons 

per 

day

96 

78 

93 

65 

97

51 

50 

39 

40 

35

22 

64 

20 

34 

19

17 

22 

16 

15 

13

15 

16 

26 

17 

15

15 

11 

10 

41 

17

1,069

December

Mean 

discharge 

(cfs)

151 

165 

162 

165 

167

206 

169 

165 

138 

142

155 

221 

206 

172 

132

115 

119 

147 

147 

169

182 

195 

201 

190 

201

221

201 

149 

124 

120 

130

5,127

Suspended sediment

Mean 

concentration 

(ppm)

57 

22 

37 

31 

45

36 

32 

82 

34 

50

45 

19 

17 

136 

60

58 

54 

200 

278 

139

210 

283 

212 

155 

132

--

Tons 

per 

day

23 

10 

16 

14 

20

20 

15 

37 

13 

19

19 

11 

9 

63 

21

18 

17 

a 80 

110 

63

a 100 

149 

115 

80 

72

b80 

b70 

b40 

b30 

b30 

b30

1,394

Total discharge for period (cfs-days) 30, 346 

Total load for period (tons) 35, 448

a Computed from estimated concentration graph. 

b Computed from water-sediment discharge curve.
SAN JUAN RIVER BASIN--Continued

ANIMAS RIVER AT FARMINGTON, N. HEX.

LOCATION. At gaging station at bridge on State Highway 17, 0.6 mile southeast of Farmington, San Ju

DRAINAGE AREA. 1,360 square miles, approximately.

RECORDS AVAILABLE. Chemical analyses: June 1940 to September 1955.

Water temperatures: December 1950 to September 1955.

Sediment records: December 1950 to September 1955. 

EXTREMES, 1954-55,--Specific conductance: Maximum daily, 1,380 micromhos July 28; minimum daily, 22

Water temperatures: Maximum, 84°F July 31; minimum, freezing point on several days during December

Sediment concentrations; Maximum daily, 22,600 ppm Aug. 5; minimum daily, 13 ppm Sept. 16.

Sediment loads: Maximum daily, 50,200 tons Aug. 13; minimum daily, less than 0.50 ton Sept. 16. 

EXTREMES, 1940-55. Dissolved solids (1940-49, 52-54): Maximum, 1,500 ppm Aug. 19, 1949; minimum 11

Specific conductance (1941-55): Maximum daily, 1,980 micromhos Aug. 19, 1944; minimum daily, 170 

Water temperatures (1950-55). Maximum, 88°F July 29, 1951; minimum , freezing point on many days 

Sediment concentrations (1950-55) . Maximum daily, 36,100 ppm July 23, 1954; minimum daily, 9 ppm 

Sediment loads (1950-55).--Maximum daily, 337,000 tons July 23, 1954; minimum daily, less than 0.5 

REMARKS. Values reported for dissolved solids are residues on evaporation. Records of specific con

office at Albuquerque, N. Hex. Records of discharge for water year October 1954 to September 195

Dec. 17 to Jan. 2, Jan. 13, 19-29, Feb. 22-24.

Chemical analyses, in parts per million, water year October 1954 to Se

Date of collection

Oct. 1-10, 1954 ..

Jan. 1-10, 1955 . .

Mar. 1-10 ......

Mean 

discharge 

(cfs)

787 

805 

425 

309 

260 

231

244 

243 

233 

243 

238 

219

207 

214 

224 

258

Silica 

(Si02)

10

11

Iron 

(Fe)

0.01

.00

Calcium 

(Ca)

72

111

Magnesium 

(Mg)

11

17

Sodium 

(Na)

30

61

Potassium 

(K)

3 9

5.4

Bicarbonate 

(HC03 )

150

199

Sulfate 

(S0«)

139

263

Chloride 

(Cl)

15

31

Fluoride 

(F)

0.4

. 5

Nitrate 

(N03 )

1.0

1.0

Boron 

(B)

0.09

.12

P

m

l
SAN JUAN RIVER BASIN--Continued 

ANIMAS RIVER AT FARMINGTON, N. MEX. Continu

Chemical analyses, in parts per million, water year October 1954 to September 

Date of collection

Mar. 11-20, 1955 .

Apr. 1-10 '........ 

Apr. 11-20 .......

Apr. 21-30 .......

Sept. 21-30 .......

Weighted average

Mean 

discharge 

(cfs)

308 

250 

306 

464 

644

942 

1,350 

1,913 

2,183 

2,277

1,634 

618 

339 

324 

437

577 

475 

97.0 

43.7 

138

570

Silica 

(Si02)

7.6

8.4

..

Iron 

(Fe)

0.01

.01

--

Calcium 

(Ca)

97

61

..

Magnesium 

(Mg)

16

9.0

--

Sodium 

(Na)

47

26

Potassium 

(K)

4.7

3.4

Bicarbonate 

(HCOS )

185

117

Sulfate 

(SO,)

213

125

Chloride 

(Cl)

25

16

Fluoride 

(F)

0. 5

.4

Nitrate 

(NO,)

0.8

.2

Boron 

(B)

0.14

.09

(

Par

pe

mil

lion

51

30
117

SAN JUAN RIVER BASIN--Continued 

ANIMAS RIVER AT FARMINGTON, N. MEX.--Continued

Temperature (°F) of water, water year October 1954 to September 1955 

/Once-daily measurement, generally between 11 a. m. and 6 p. m. /

Day

1

2

3

4

5

6

7

8

9

10

11

12

13

14

15

16

17

18

19

20

21

22

23

24

25

26

27

28

29

30

31

Average

Oct.

65

62

62

57

68

a65

65

65

65

64

59

60

59

55

56

57

56

57

56

56

56

58

59

a 55

54

52

50

49

50

50

50

58

Nov.

51

a 52

51

51

50

50

49

49

48

47

48

48

49

51

50

49

46

a45

48

46

47

46

46

46

47

45

45

41

45

45

--

48

Dec.

45

43

a40

a43

43

43

45

38

37

40

40

40

40

40

36

34

a 32

33

33

34

a33

33

a34

a35

36

37

32

32

32

a32

32

37

Jan.

33

33

a41

40

36

a 33

35

a36

38

a37

a36

35

33

a36

39

36

36

33

36

a33

32

31

a31

32

33

32

32

32

35

45

a46

35

Feb.

46

45

49

41

34

35

34

37

39

33

36

38

40

42

44

43

a 39

b38

33

32

34

33

35

a 39

32

39

46

42

.-

__

--

38

Mar.

a45

a47

46

45

46

42

46

a 48

50

a47

a49

53

54

53

54

49

50

50

51

44

42

47

51

52

a50

52

51

a47

b42

52

50

49

Apr.

55

47

47

49

51

50

54

56

57

59

51

50

56

57

59

61

51

55

54

55

a 59

51

56

62

a 63

61

55

60

55

53

--

55

May

56

52

59

62

63

65

62

57

56

51

56

a62

61

62

58

56

50

53

55

63

65

58

60

58

56

52

59

58

62

46

57

58

June

57

b50

61

63

63

68

62

63

62

58

60

56

60

63

65

a 60

a62

63

66

a65

65

65

a 64

64

a65

67

67

70

68

a69

--

63

July

72

a 73

73

68

a 74

72

74

a 74

a 73

72

a 70

a 78

a 78

79

a77

a77

75

74

a 73

a76

77

76

b65

b73

a 72

a75

78

77

a77

81

84

75

Aug.

a75

80

79

a 77

a75

77

77

75

a 76

a 72

78

76

73

75

a 77

a 74

77

a 77

a 77

78

78

78

80

b68

76

77

77

76

75

75

a 77

76

Sept.

76

a75

76

77

78

78

a75

b65

75

75

75

77

77

75

71

72

72

70

a67

68

66

67

65

66

67

64

65

65

65

65

--

71

a Measurement after 6 p. m. 

b Measurement before 11 a. m.
118 COLORADO RIVER BASIN

SAN JUAN RIVER BASIN--Continued

ANIMAS RIVER AT FARMINGTON, N. HEX.--Continued

Suspended sediment, water year October 1954 to September 1955

Day

1. ... ..

2. ... ..

3......

5. .....

6......

7. .....

8......

9. .....

11. ... ..

13. .....

14......

15......

16......

17. .....

18......

19. .....

20. .....

21......

22......

23......

24......

25......

27......

29......

30......

31...... 

Total .

1. .....

3. .....

5......

8......

10. .....

13

14. ..... 

15......

20. .....

23...... 

24...... 

25......

26...... 

27...... 

28. ..... 

29...... 

30. ..... 

31...... 

Total .

October

Mean 

discharge 

(cfs)

526 

496 

532 

592 

768

849 

930 

1.020 

1,060 

1,100

1,120 

1,090 

1,010 

903 

808

736 

688 

604 

556 

532

526 

490 

466 

442 

436

415 

415 

385 

375 

365 

360

20, 595

Suspended sediment

Mean 

concentration 

(ppm)

520 

510 

625 

1,480 

2,100

2,000 

1,900 

2,200 

3, 160 

3,700

1,650 

1,380 

770 

800 

730

680 

660 

500 

435 

415

400 

340 

285 

400 

410

356 

260 

315 

300 

290 

220

"

Tons 

per 

day

739 

683 

898 

2,370 

4,350

4, 580 

4,770 

6,060 

9.040 

11, 000

4.990 

4,060 

2,100 

1,950 

1,590

1,350 

1,230 

815 

653 

596

568 

450 

359 

477 

483

399 

291 

327 

304 

286 

214

67, 982

January

200 

230 

258 

262 

262

234 

246 

234 

254 

246

246 

230 

210 

242 

262

262 

266 

234 

200 

230

210 

200 

190 

200 

230

220 

230 

230 

230 

230 

240

7,218

313 

500 

366 

245 

263

280 

277 

200 

200 

215

176 

300 

270 

250 

195

210 

214 

170 

190 

228

166 

157 

136 

150 

375

480 

600 

584 

490 

450 

520

-

169 

310 

255 

173 

186

177 

184 

126 

137 

143

117 

186 

153 

163 

138

149 

154 

107 

103 

142

94 

85 

70 

81 

233

285 

373 

363 

304 

280 

340

5,780

November

Mean

discharge 

(cfs)

335 

306 

326 

330 

326

318 

302 

294

274 

278

266 

274 

278 

274 

266

246 

250 

250 

254 

246

254 

242 

226 

234 

230

226 

230 

236 

226 

214

8,001

Suspended sediment

Mean 

concentration 

(ppm)

205 

276 

177 

96 

174

177 

125 

125 

150 

156

140 

124 

106 

164 

220

142 

164 

176 

125 

114

126 

120 

173 

148 

127

120 

148 

127 

140 

174

--

Tons 

per 

day

185 

228 

156 

86 

153

152 

102 

99 

111 

117

101 

92 

80 

121 

158

94 

111 

119 

86 

76

86 

78 

106 

94 

79

73 

92 

77 

85 

101

3,298

February

240 

240 

210 

200 

180

190 

200 

200 

210 

200

190 

200 

210 

220 

220

230 

220 

230 

220 

200

190 

200 

210 

210 

222

250 

250 

258

6,000

280 

280 

440 

390 

270

190 

790 

500 

490 

550

360 

200 

520 

260 

280

260 

420 

920 

670 

280

230 

160 

364 

230 

190

500 

395 

626

--

180 

180 

250 

210 

130

100 

430 

270 

280 

300

180 

110 

290 

150 

170

160 

250 

570 

400 

150

120 

90 

206 

130 

114

338 

267 

436

6,461

December

Mean 

discharge 

(cfs)

234 

234 

250 

258 

254 -

258 

234 

242 

226 

250

274 

286 

274 

242 

238

246 

230 

200 

210 

230

250 

260 

260 

260 

260

260 

270 

230 

170 

160 

180

7,430

Suspended sediment

Mean 

concentration 

(ppm)

196 

153 

144 

194 

204

207 

190 

194 

218 

219

300 

294 

263 

186 

144

150 

222 

238 

309 

388

354 

260 

190 

220 

190

203 

255 

230 

150 

140 

190

--

Tons 

per 

day

124 

97 

97 

135 

140

144 

120 

127 

133 

148

222 

227 

195 

122 

93

100 

138 

129 

175 

241

239 

183 

133 

154 

133

143 

186 

143 

69 

60 

92

4,442

March

210 

226 

238 

250 

274

298 

266 

258 

278 

282

335 

360 

314 

306 

302

314 

306 

290 

278 

278

274 

254 

242 

250 

254

250 

250 

234 

222 

246 

274

8,413

350 

210 

355 

425 

794

1, 120 

900 

900 

1,080 

1, 160

1,260 

1,430 

1, 180 

1,040 

1,480

1,080 

844 

450 

290 

260

355 

235 

160 

160 

200

270 

375 

220 

280 

185

ass

198 

128 

228 

287 

587

901 

646 

627 

811 

883

1, 140 

1,390 

1,000 

859 

1,210

916 

697 

352 

218 

195

263 

161 

105 

108 

137

182 

253 

139 

168 

123 

248

15, 160
SAN JUAN RIVER BASIN 119

SAN JUAN RIVER BASIN Continued 

ANIMAS RIVER AT FARMINGTON, N. MEX.--Continued 

Suspended sediment, water year October 1954 to September 1955--Continued

Day

1......

2. .....

4......

5. .....

6......

7. .....

8...... 

9. .....

10. .....

11......

12. .....

14......

15......

16......

17. .....

20. .....

26......

28......

31......

Total.

2. ..... 

3. ..... 

4...... 

5......

8......

10. .....

13. .....

15. .....

20. .....

23. ..... 

24...... 

25......

26. ..... 

27. ..... 

28. ..... 

29. ..... 

30. ..... 

31...... 

Total .

April

Mean 

discharge 

(cfs)

294 

302 

314 

330 

306

310 

322 

306 

294 

282

282 

330 

345 

318 

350

425 

604 

816 

638 

532

420 

442 

592 

562 

520

562 

728 

858 

849 

912

14, 145

Suspended sediment

Mean 

concentration 

(ppm)

455 

365 

395 

435 

280

280 

320 

325 

235 

180

180 

315 

495 

280 

440

830 

2,080 

2,740 

1,070 

780

550 

710 

1,210 

920 

625

640 

1,280 

1,670 

1,330 

2,050

-

Tons 

per 

day

361 

298 

335 

388 

231

234 

278 

269 

187 

137

137 

281 

461 

240 

416

952 

3,390 

6,040 

1,840 

1,120

624 

847 

1,930 

1,400 

878

971 

2,520 

3,870 

3,050 

5,050

38,735

July

894 

816 

768 

688 

624

550 

538 

478 

436 

390

400 

420 

448 

370 

335

298 

274 

266 

294 

282

306 

322 

298 

278 

274

286 

360 

514 

380 

286 

258

13, 131

84 

104 

96 

75 

60

76 

67 

44 

43 

34

196 

80 

84 

60 

62

45 

30 

44 

265 

146

140 

516 

126 

150 

150

148 

2,950 

8,920 

1, 150 

440 

300

--

Total discharge for year (cfsTotal load tor year (tons) . . .

203 

229 

199 

139 

101

113 

97 

57 

51 

36

212 

91 

102 

60 

56

36 

22 

32 

210 

111

116 

449 

101 

113 

111

114 

s5, 460 

s 13, 600 

1, 180 

340 

209

23,950

May

Mean 

discharge 

(cfs)

824 

712 

720 

598 

520

610 

760 

1,320 

1,860 

1,500

1,220 

1,160 

1,260 

1,390 

1,640

1,860 

1,610 

1,330 

1,060 

966

1, 150 

1,880 

2,200 

1,990 

2,050

2, 120 

1,960 

1,570 

1,400 

2, 120 

2,600

43, 960

Suspended sediment

Mean 

concentration 

(ppm)

1,450 

1,300 

1, 110 

800 

660

760 

1,210 

3,090 

3,390 

1,720

1,880 

2,090 

1,870 

1,470 

1,780

1,560 

1,620 

1,590 

1,570 

1,200

1, 120 

1,560 

1, 570 

1,320 

1,110

955 

875 

730 

800 

1,640 

1, 510

--

Tons 

per 

day

3,230 

2, 500 

2,160 

1,290 

927

1,250 

2,480 

11,000 

17, 000 

6,970

6,190 

6,550 

6,360 

5,520 

7,880

7,830 

7,040 

5,710 

4,490 

3,130

3,480 

7,920 

9,330 

7,090 

6,140

5,470 

4,630 

3,090 

3,020 

9,390 

10, 600

179, 667

August

234 

196 

226 

415 

586

508 

610 

704 

508 

380

360 

330 

676 

720 

478

425 

598 

824 

696 

659

586 

478 

415 

405 

550

574 

592 

604 

425 

326 

274

15,362

245 

200 

250 

10, 200 

22, 500

4,450 

6,580 

17, 400 

1,850 

1,250

2,300 

1,950 

8,620 

14, 700 

1,800

1,450 

4, 150 

8,350 

1, 500 

4,730

8,660 

1,000 

450 

1,210 

5,000

6,550 

2,900 

6,300 

1,300 

900 

294

155 

106 

153 

11, 200 

s 39, 200

6, 100 

s 24, 500 

s 39, 800 

2,540 

1,280

2,240 

1,740 

s 50, 200 

s 35, 700 

2,320

1,660 

6,700 

18, 600 

2,820 

s 13, 600

s 14, 900 

1,290 

504 

s2,410 

7,420

10,200 

s6,900 

10,300 

1,490 

792 

218

317,038

June

Mean 

discharge 

(cfs)

2,060 

1,410 

1,090 

1,000 

1,080

1,130 

2,480 

3,670 

4,130 

3,780

3,320 

2,960 

2,690 

2,400 

2,020

1,680 

1,770 

1,990 

1,980 

1,960

2,080 

2,170 

2, 170 

2,000 

1,770

1,500 

1,320 

1,220 

1,110 

1,000

60, 940

Suspended sediment

Mean 

concentration 

(ppm)

975 

1, 110 

660 

470 

515

775 

2,250 

2,990 

2,380 

1,480

1,230 

975 

725 

480 

470

550 

510 

555 

420 

530

390 

480 

370 

290 

245

210 

200 

190 

160 

130

-

Tons 

per 

day

5,420 

4,230 

1,940 

1,270 

1,500

2,360 

s 18, 500 

29, 600 

26, 500 

15, 100

11, 000 

7,790 

5,270 

3,110 

2, 560

2,490 

2,440 

2,980 

2,250 

2,800

2, 190 

2,810 

2, 170 

1, 570 

1, 170

850 

713 

626 

480 

351

162, 040

September

214 

172 

145 

122 

82

70 

63 

40 

33 

29

19 

11 

6.9 

6.4 

7.8

8.3 

13 

118 

125 

122

148 

157 

151 

132 

130

145 

148 

132 

120 

113

2,783.4

218 

183 

148 

126 

100

73 

65 

52 

37 

40

34 

35 

41 

46 

39

13 

15 

1,470 

1,870 

530

650 

415 

223 

138 

97

119 

114 

84 

67 

74

..

126 

85 

58 

42 

22

14 

11 

6 

3 

3

2 

1 

1 

1 

1

(t) 

1 

s597 

631 

175

260 

176 

91 

49 

34

47 

46 

30 

22 

23

" 558

207,978.4 

827, 111

s Computed by subdividing day. 

t Less than 0. 50 ton.
SAN JUAN RIVER BASIN--Continued 

ANIMAS RIVER AT FARMINGTON, N. MEX. Conti

Particle-size analyses of suspended sediment, water year October 19

(Methods of analysis: B, bottom withdrawal tube; D, decantation; P, pipette; 

W, in distilled water; C, chemically dispersed; M, mechanically dispersed: 

Date 

of 

Collection

Oct. 10, 1954 .... 

Feb. 20, 1955 ....

Aug. 30... .......

Time

6:50 a.m. 

4:30 p.m. 

2:40 p.m. 

6:30 a.m.

5:00 p.m. 

6:25 p.m. 

2:30 p.m. 

6:15 p.m.

12:25 p.m. 

12:25 p.m. 

6:25 a. m. 

6:25 a. m.

6:40 a.m. 

8:15 a.m. 

6:40 a.m. 

6:00 p. m.

Discharge 

(cfs)

1,100 

200 

340 

832

832 

1,460 

1,240 

2,960

2,650 

2,650 

680 

849

894 

430 

617 

330

Water 

temperature 

<°F)

55 

32 

54 

45

56 

51

61 

57

62 

62 

64

67

67 

67 

65 

75

Suspended s

Concentration 

of sample 

(ppm)

4,810 

277 

2,930 

3,270

1,240 

1,580 

1,840 

1,690

2,100 

2,100 

15,200 

5,100

21, 800 

1,600 

14, 300 

545

Concentration 

of suspension 

analyzed 

(ppm)

3,510

3,800 

2,620

1,100 

1,500 

1,560 

2,180

1,530 

1,290 

4,260 

3,280

4,250 

2,300 

3,950 

1,360

Percent fi

0.002

10 

9

0.004

35

49 

20

15 

13 

10 

16

13 

11 

59 

41

59 

19 

65 

59

0.008

18 

15

0.016

49

58 

37

20 

21 

14

27

20 

20 

87 

73

87 

33 

92 

75
SAN JUAN RIVER BASIN 121

SAN JUAN RIVER BASIN--Continued 

SAN JUAN RIVER AT SHIP ROCK, N. MEX.

LOCATION. At gaging station, 3 miles west of Ship Rock, San Juan County, and 6 miles

downstream from Chaco River.

DRAINAGE AREA. 12,900 square miles, approximately. 

RECORDS AVAILABLE.--Water temperatures: December 1950 to September 1955.

Sediment records: December 1950 to September 1955. 

EXTREMES, 1954-55. Water temperatures: Maximum, 81°F July 30, Aug. 4, 21; minimum,

freezing point Jan. 13, 17-19, 21, 23. 

Sediment concentrations: Maximum daily, 86,000 ppm Aug. 14; minimum daily, 75 ppm

Nov. 17. 

Sediment loads: Maximum daily, 1,200,000 tons Aug. 14; minimum daily, 46 tons

Sept. 15. 

EXTREMES, 1950-55. Water temperatures: Maximum, 83°F June 25, 1954; minimum, freezing

point on many days during winter months. 

Sediment concentrations: Maximum daily, 86,000 ppm Aug. 14, 1955; minimum daily,

8 ppm July 13, 1951. 

Sediment loads: Maximum daily, 1,330,000 tons July 24, 1954; minimum daily, 5 tons

July 21, Aug. 21, Sept. 12-24, 1951.

REMARKS.--Records of specific conductance of daily samples, available in district office 

at Albuquerque, N. Mex. Records of discharge for water year October 1954 to September 

1955 given in WSP 1393.

Temperature (°F) of water, January to September 1955 

/Once-daily measurement, generally between 11 a.m. and 6 p.m.7

Day

1

2

3

4

5

6

7

8

9

10

11

12

13

14

15

16

17

18

19

20

21

22

23

24

25

26

27

28

29

30

31

Average

Oct. Nov. Dec. Jan.

_

40

"

_

33

33

35

37

36

a 32

33

37

a 36

a 32

a 31

a 31

33

32

32

36

36

36

36

36

34

--

Feb.

34

35

34

33

33

33

34

34

35

33

34

35

33

35

34

36

35

--

33

33

34

35

--

a 34

a 35

a 37

34

Mar.

35

37

a 42

65

63

43

43

47

a 43

a 43

50

52

49

55

53

a 50

b39

a 46

49

44

..

49

49

52

51

a 49

44

47

55

44

--

48

Apr.

52

39

45

49

54

55

54

a 50

a 46

a 46

a 53

a 52

b47

a 55

54

57

a 49

56

a 58

..

a 53

54

63

b52

55

57

58

a 54

--

52

May

55

a 54

58

b50

b55

67

62

57

a 58

b54

b50

b58

59

--

59

55

56

58

a 64

68

66

64

63

60

a 59

60

a 65

64

a 59

59

June

a 56

61

64

b57

b57

_

71

70

a 62

64

65

a 62

65

"

65

67

b59

70

74

74

74

a 70

72

71

b65

70

75

74

74

67

July

77

a75

75

a76

a72

a76

_-

b72

b65

a 76

a 80

"

b71

79

a70

b68

a77

_

b69

a74

..

a 78

81

79

Aug.

b70

a 77

b72

81

80

78

._

a 75

a71

"

_.

-.

76

a 77

__

.-

"

81

a 78

a 75

78

a 77

a 70

a 73

a73

a 72

73

Sept.

a75

a75

a72

a 72

a70

79

--

a75

78

a 69

a 79

a75

a75

a72

a 67

a 68

a 69

a 69

a 67

a 63

_

a 63

a 62

a 58

67

67

a 59

66

67

b59

~

69

a After 6p.m. 

b Before 11 a.m.
122 COLORADO RIVER BASIN

SAN JUAN RIVER BASIN--Continued

SAN JUAN RIVER AT SHIP ROCK, N. MEX.--Continued

Suspended sediment, water year October 1954 to September 1955

Day

1......

2. .....

3. .....

5. .....

6......

7. .....

8......

9. .....

10. .....

11......

12. .....

13......

14. .....

15. .....

16......

17. .....

18. .....

20. .....

21......

22. ... ..

23......

24. .....

25......

26......

27......

28......

29......

31......

Total .

1. ..... 

2. ..... 

3. ..... 

4. ..... 

5......

8. .....

10. .....

14. .....

20. .....

22. ..... 

23. ..... 

24. ..... 

25. .....

26. ..... 

27. ..... 

28. ..... 

29. ..... 

30. ..... 

31...... 

Total.

October

Mean 

discharge

(cfs)

,270 

,140 

,110 

,180 

,270

,500 

,700 

,790 

,820 

2,280

2,190 

2,050 

1,800 

1,670 

1,450

1,310 

1,190 

1,150 

1,080 

1,010

970 

910 

880 

850 

850

820 

820 

770 

711 

682 

692

38,915

Suspended sediment

Mean 

concentration 

(ppm)

3,400 

2,150 

2,000 

2,200 

2,250

4, 100 

4,000 

5,000 

6,200 

10, 100

7,000 

4,300 

3,000 

2,100 

2,200

1,900 

1,150 

1,100 

930 

1,050

1,050 

700 

550 

620 

520

460 

419 

459 

311 

268 

271

--

Tons 

per 

day

11,700 

6,620 

a 6, 000 

7,010 

7,720

16,600 

18,400 

24, 200 

30, 500 

62,200

41,400 

23,800 

315,000 

9,470 

8,610

6,720 

3,690 

a 3, 400 

2,710 

2,860

2,750 

1,720 

1,310 

1,420 

1,190

1,020 

928 

954 

597 

493 

506

321,498

January

411 

534 

675 

808 

691

591 

480 

520 

598

591

591 

562 

474 

467 

534

527 

548 

493 

393 

500

460 

260 

230 

200 

280

381 

534 

576 

548 

534 

541

15,532

208 

650 

1,340 

1,840 

1,430

590 

480 

320 

310 

330

350 

365 

460 

340 

350

290 

220 

130 

100 

300

432 

180 

138 

110 

190

495 

1,010 

1,210 

840 

620 

480

--

231 

937 

2,440 

4,010 

2,670

941 

622 

449 

501 

527

558 

554 

589 

429 

505

413 

326 

173 

allO 

405

537 

a!30 

86 

59 

144

509 

1,460 

1,880 

a 1,200 

a 890 

701

24,986

November

Mean 

discharge 

(cfs)

730 

692 

770 

711 

711

750 

730 

692 

644 

617

554 

545 

536 

563 

608

644 

554 

563 

572 

563

554 

536 

536 

520 

520

502 

502 

486 

460 

452

17,817

Suspended sediment

Mean 

concentration 

(ppm)

187 

303 

281 

199 

177

498 

175

126

110 

118

115 

198

151 

75 

134 

186 

194

353 

268 

124 

131 

173

123 

131 

134 

99 

338

--

Tons 

per 

day

369 

566 

584 

382 

340

1,010 

345 

e300 

e240 

210

165 

174 

e!70 

175 

325

263 

112 

204 

287 

295

528 

388 

179 

184 

243

167 

178 

176 

123 

412

9,094

February

591 

614 

584 

423

454

411 

520 

534 

576 

506

435 

493 

541 

644 

683

765 

765 

800 

651 

348

387 

417 

683 

576 

527

576 

882 

960

16,346

500 

630 

520 

490 

310

300 

600 

970 

1,100 

640

550 

750 

1,020 

1,780 

1,620

2,280 

2,750 

2,200 

1,600 

1,200

770 

580 

420 

520 

550

890 

1,050 

6,200

--

798 

1,040 

820 

560 

380

333 

842 

1,400 

1,710 

874

646 

998 

1,490 

3,100 

2,990

4,710 

5,680 

a4,800 

a 2, 800 

a 1,100

805 

653 

775 

a810 

783

1,380 

2,500 

s!8,300

63, 077

December

Mean 

discharge 

(cfs)

460 

474 

506 

506 

527

541 

569 

534 

520 

548

659 

591 

675 

651 

555

474 

448 

435 

448 

405

448 

467 

486 

493 

506

506 

520 

435 

337 

260 

250

15,234

Suspended sediment

Mean 

concentration 

(ppm)

125 

146 

186

157

169 

176 

116 

148

314

246 

388 

445 

112 

230

1,500 

1,100 

930 

310 

192

210 

256 

300

248 

203

"

Tons 

per 

day

155 

187 

254 

e250 

223

247 

270 

167 

208 

e240

e300 

e280 

e320 

e300 

471

315 

469 

523 

135 

252

1,810 

1,390 

1,220 

413 

262

287 

359 

352 

e250 

174 

137

12,220

March

723 

683 

748 

882 

882

980 

882 

930 

817 

826

1,180 

1,260 

1,200 

1,020 

1,020

990 

980 

870 

760 

730

702 

730 

682 

654 

635

654 

692 

730 

682 

654 

702

25,880

2,900 

3,870 

6,080 

6,350 

6,550

5,300 

5,550 

2,950 

2,750 

2,950

4,550 

5,000 

3., 750 

3,000 

2,750

3,400 

2,700 

2,050 

1,500 

950

850 

750 

600 

470 

430

460 

600 

620 

540 

630 

770

--

5,660 

S7.890 

s 13, 700 

15,100 

15,600

14,000 

13,200 

7,410 

6,070 

6,580

14,500 

17,000 

12,200 

8,260 

7,570

9,090 

7,140 

4,820 

3,080 

1,870

al,600 

1,480 

1,100 

830 

737

812 

1,120 

1,220 

994 

1,110 

a 1,500

203, 243

e Estimated.

s Computed by subdividing day.

a Computed from estimated concentration graph.
SAN JUAN RIVER BASIN 123

SAN JUAN RIVER BASIN--Continued

SAN JUAN RIVER AT SHIP ROCK, N. MEX. Continued

Suspended sediment, water year October 1954 to September 1955 Continued

Day

1......

2. .....

3......

4. .....

5. .....

6......

7. .....

8......

9. .....

10......

11......

12......

13......

15. .....

16......

17. .....

18. ... ..

22. ... ..

24......

25. .....

26......

27......

28......

29......

31......

Total .

1. ..... 

2. ..... 

3...... 

4. ..... 

5......

&.....

10. .....

13. ..... 

14. ..... 

15......

20. .....

22. .....

24. ..... 

25. .....

26. ..... 

27. ..... 

28. ..... 

29. ..... 

30. ..... 

31...... 

Total.

April

Mean 

discharge 

(cfs)

860 

930 

960 

1,100 

880

750 

760 

750 

730 

682

617 

608 

860 

730 

673

1,000 

1,320 

1,920 

1,790 

1,380

1,150 

990 

1,430 

1,560 

1,380

1,250 

1,490 

1,850 

1,900 

2,150

34, 450

Suspended sediment

Mean 

concentration 

(ppm)

1,760 

2,170 

1,940 

2,500 

1,660

820 

810 

880 

900 

710

1,170 

920 

2,300 

1,140 

730

1,730 

3,920 

6,470 

5,000 

2,570

1,960 

2,250 

2,850 

3,280 

2,080

2,060 

2,480 

3,680 

3,600 

3,650

-

Tons 

per 

day

4,090 

5,450 

5,030 

7,420 

3,940

1,660 

1,660 

a 1,800 

1,770 

1,310

1,950 

1,510 

5,340 

2,250 

1,330

4,670 

15,900 

33, 500 

24, 200 

9,580

6,090 

6,010 

11,000 

13, 800 

7,750

6,950 

9,980 

18,400 

18, 500 

21,200

254, 040

July

1,660 

1,490 

1,350 

1,210 

1,150

1,040 

900 

820 

730

644

608 

1,040 

960 

880

644

590 

536 

528 

511 

590

494 

460 

520 

536 

528

900 

3,060 

3,370 

1,960 

1,340 

970

32,019

480 

540 

420 

390 

370

300 

260 

210 

132 

220

149 

13, 600 

13,200 

8,600 

2,300

2,200 

1,030 

490 

590 

3,300

1,180 

280 

1,300 

2,780 

1,950

11,500 

79, 000 

79, 500 

45, 000 

13,500 

7,500

Total discharge for year (cfsTotal load for year (tons)

2,150 

2,170 

1,530 

a 1,300 

1,150

842 

632 

465 

260 

383

245 

s 48, 100 

34, 200 

20,400 

a 4, 000

3,500 

1,490 

699 

814 

5,260

1,570 

348 

al,800 

4,020 

2,780

27, 900 

3b770,000 

s 816, 000 

s 261, 000 

48, 800

2,083,408

May

Mean 

discharge 

(cfs)

2,100 

1,880 

1,870 

1,730 

1,490

1,450 

1,680 

2,480 

4,270 

4,330

4,030 

3,330 

3,220 

3,330 

3,480

4,030 

3,840 

3,240 

2,620 

2,390

2,220 

3,040 

4,300 

4,130 

4,050

4,410 

4,050 

3,640 

3,020 

3,770 

4,820

98, 240

Suspended sediment

Mean 

concentration 

(ppm)

3,480 

2,620 

2,650 

2,340 

1,540

1,750 

2,170 

5,750 

12, 500 

9,300

7,750 

6,800 

5,150 

4,500 

4,700

5,150 

4,300 

3,700 

2,800 

2,600

2,200 

4,550 

3,500 

3,850 

3,900

3,800 

3,800 

2,850 

1,800 

2,550 

3,650

-

Tons 

per 

day

19,700 

13,300 

13,400 

10,900 

6,200

6,850 

9,840 

38, 500 

144, 000 

109, 000

84, 300 

61,100 

44,800 

40, 500 

44, 200

56, 000 

44, 600 

32, 400 

19,800 

16,800

13, 200 

37,300 

40, 600 

42,900 

42, 600

45,200 

41,600 

28, 000 

14,700 

26, 000 

47. 500

1,195,790

August

910 

850 

1,230 

1,270 

1,760

2,150 

2,740 

3,720 

2,660 

1,850

2,660 

2,310 

1,950 

5,000 

2,080

1,430 

2,900 

1,760 

1,670 

1,450

1,820 

2,720 

1,950 

1,700 

1,840

1,470 

1,670 

2,770 

1,920 

1,240 

960

62,410

8,500 

7,000 

38,000 

35, 000 

32, 000

27, 000 

31, 000 

74, 000 

51,500 

20, 800

50, 000 

24, 000 

20, 000 

86, 000 

57, 000

27, 000 

82, 000 

42,000 

17, 000 

9,000

14, 000 

44, 000 

34, 000 

18,000 

34, 000

17, 000 

10, 000 

28, 600 

32, 500 

21,000 

11.500

20, 900 

16,100 

sb 17 0,000 

b 120, 000 

158, 000

157,000 

a 230, 000 

b 77 0,000 

384, 000 

s 114, 000

a 370, 000 

a 150, 000 

sal 30, 000 

1,200,000 

332,000

a 100, 000 

a 670, 000 

a 210, 000 

a 77, 000 

a 35, 000

68,800 

s 406, 000 

186,000 

82,600 

175,000

67, 500 

45, 100 

s 262, 000 

175,000 

70,300 

29. 800

6,982,100

June

Mean 

discharge 

(cfs)

4,760 

3,310 

2,800 

2,170 

2,350

2,150 

3,080 

5,410 

6,660 

6,970

6,080 

5,410 

5,060 

4,730 

4,500

3,57.0 

3,520 

3,640 

3,920 

3,550

3,550 

3,500 

3,380 

3,240 

3,040

2,890 

2,420 

2,120 

1,820 

1,790

111,390

Suspended sediment

Mean 

concentration 

(ppm)

3,200 

2,200 

950 

1,600 

2,200

1,300 

2,050 

3,800 

5,450 

4,600

3,600 

2,450 

2,200 

2,300 

2,800

1,850 

1,450 

1,600 

1,700 

1,200

1,350 

1,450 

1,460 

1,100 

1,150

1,620 

1,380 

800 

820 

640

-

Tons 

per 

day

41,100 

19,700 

7,180 

9,370 

14, 000

7,550 

17,000 

55,500 

98, 000 

86,600

59, 100 

35,800 

30, 100 

29, 400 

a 34, 000

17,800 

13,800 

15,700 

18,000 

11,500

12,900 

13,700 

13,300 

9,620 

9,440

12, 600 

9,020 

4,580 

4,030 

3,090

713,480

September

980 

780 

664 

572 

528

452 

358 

278 

264 

213

178 

178 

190 

173 

158

158 

196 

251 

599 

790

730 

711 

608 

528 

511

617 

617 

626 

599 

460

13,967

6,300 

4,100 

3,450 

3,100 

2,100

1,850 

1,700 

1,200 

1,050 

550

314 

244 

143

107

149 

450 

450 

3,500 

6,150

11,000 

12,400 

7,950 

3,500 

2,100

3,350 

6,050 

5,150 

3,900 

1,900

..... ....................................................... 12

16,700 

8,630 

6,190 

4,790 

2,990

2,260 

1,640 

901 

748 

316

151 

117 

73 

e55 

46

64 

238 

305 

5,660 

si 5,- 000

a 22, 000 

23,800 

13,100 

4,990 

2,900

5,580 

10,100 

8,700 

6,310 

2,360

166,714

482, 200 

,029,650

e Estimated.

s Computed by subdividing day.

a Computed from estimated concentration graph.

b Computed from partly estimated concentration graph.
SAN JUAN RIVER BASIN Continued 

SAN JUAN RIVER AT SHIP ROCK, N. MEX.--Contin

Particle-size analyses of suspended sediment, water year October 195

(Methods of analysis: B, bottom withdrawal tube; D, decantation; P, pipette; 

W, in distilled water; C, chemically dispersed; M, (mechanically dispersed; 

Date 

of 

Collection

Mar. 4, 1955 .....

Sept. 25 ..........

Time

8:30 a.m. 

8:30 a.m. 

7:45 p.m. 

10:30 a.m. 

2:45 p.m. 

11:15 a.m.

7:15 p.m. 

3:15 p.m. 

6:30 p.m. 

7:05 p.m. 

ll:00a.m.

6:50 a.m. 

7:20 p.m. 

1:00 p.m. 

7:20 a.m. 

12:00 m. 

8:30 a.m. 

1:30 p.m.

Discharge 

(cfs)

1,500 

1,500 

2,190 

800 

675 

723

2,060 

1,400 

1,740 

4,880 

3,730

5,220 

5,600 

2,420 

2,720 

1,960 

1,660 

494

Water 

temperature 

(°F)

76 

49 

65 

43

55 

56 

55 

58 

59

54 

65 

70 

74

73 

67

Suspended se

Concentration 

of sample 

(PPm)

3,840 

3,840 

4,660 

422 

10,700 

6,710

8,330 

2,360 

3,110 

13,900 

5,070

4,100 

2,760 

1,170 

72, 500 

16,900 

21,700 

1,830

Concentration 

of suspension 

analyzed 

(ppm)

3,760 

3,100 

4,290 

1,410 

3,700 

3,580

3,120 

3,730 

2,310 

. 2,920 

4,120

3,980 

2,980

3,770 

4,450 

4,780 

2,460

Percent fin

0.002 0.004

26 

7 

58 

24 

42 

57

17 

19 

14 

24 

20

11 

12

63 

59 

51 

44

0.008 0.016

35 

32 

72 

33 

50 

76

31 

30 

22 

36 

27

19 

19

80 

75 

66 

53
SAN JUAN RIVER BASIN--Continued 

SAN JUAN RIVER NEAR BLUFF, UTAH

LOCATION.--At bridge on State Highway 47, 1,800 feet downstream from gaging station and 20 miles s

DRAINAGE AREA.--23,000 square miles, approximately.

RECORDS AVAILABLE. Chemical analyses: February to June 1927, October 1929 to September 1955.

Water temperatures: May 1944 to September 1955.

Sediment records: August to September 1928, July 1929 to September 1955. 

EXTREMES, 1954-55. Dissolved solids: Maximum, 1,050 ppm July 27-31; minimum, 212 ppm June 11-20.

Hardness: Maximum, 520 ppm Aug. 29; minimum, 131 ppm June 11-20.

Specific conductance: Maximum daily, 1,670 micromhos July 28; minimum daily, 282 micromhos June 

Water temperatures: Maximum, 78°F Aug. 2-3; minimum, freezing point on several days during Dece

Sediment concentrations: Maximum daily, 99,100 ppm Aug. 6; minimum daily, 160 ppm Jan. 1.

Sediment loads: Maximum daily, 1,070,000 tons Oct. 9; minimum daily, 102 tons Jan. 1. 

EXTREMES, 1929-55.--Dissolved solids: Maximum, 1,860 ppm July 21-31, 1934; minimum, 152 ppm June 

Hardness: Maximum, 874 ppm July 21-31, 1934; minimum, 104 ppm June 11-20, 1952.

Specific conductance (1941-55): Maximum daily, 2,110 micromhos Aug. 13, 1954; minimum daily, 20

Water temperatures (1944-55): Maximum, 85°F July 21, 1945, July 5, 1953; minimum, freezing poin

Sediment concentrations: Maximum daily, 309,000 ppm Sept. 21, 1929; minimum daily, 0 ppm July 3

Sediment loads: Maximum daily, 12,000,000 tons Oct. 14, 1941; minimum daily, 0 tons July 3-13, 

REMARKS. Values reported for dissolved solids are residues on evaporation. Records of specific c

office at Salt Lake City, Utah. Records of discharge for water year October 1954 to September 

Chemical analyses, in parts per million, water-year October 1954 to 

Date of collection

Oct. 1-11, 1954 ... 

Oct. 12-20........

Oct. 21-31........

Nov. 1-10....... ..

Nov. 11-20... .....

Nov. 21 30. .......

Dec. 1-10.... .....

Dec. 11-20... .....

Dec. 21, 28, 31 ... 

Jan. 1-10, 1955 ... 

Jan. 11-20. .......

Jan. 21-31 ........

Feb. 14-18... .....

Feb. 21-28... .....

Mar. 1-10 ........

Mean 

discharge 

(cfs)

2,201 

1,533 

918 

748 

649 

582

586 

658 

426 

546 

562 

400

528 

666 

600 

1,128

Silica 

(Si02)

16 

14 

13 

12 

11 

12

14 

15 

14 

14 

16 

14

13 

12 

12 

12

Iron 

(Fe)

Calcium 

(Ca)

97 

75 

87 

95 

106 

112

122 

124 

120 

127 

118 

134

116 

116 

113 

110

Magnesium 

(Mg)

17 

15 

22 

25 

32 

37

42 

38 

39 

40 

35 

40

33 

32 

35 

32

Sodium 

(Na)

64 

45 

63 

76 

92 

101

109 

112 

119 

112 

101 

117

101 

98 

107 

98

Potassium 

(K)

5.2 

3.5

9 Q

3.2 

3.3 

3.7

3.9 

4.1 

4.3 

4.3 

4.1 

4.1

4.0 

4.0 

4.1 

5.0

Bicarbonate 

(HC03 )

220 

157 

164 

176 

183 

180

196 

196 

181 

207 

198 

212

200 

194 

194 

178

Sulfate 

(SOJ

243 

196 

273 

325 

393 

443

496 

491 

502 

488 

443 

517

429 

425 

441 

425

Chloride 

(Cl)

17 

13 

20 

22 

26 

30

33 

33 

36 

36 

32 

37

32 

32 

32

27

Fluoride 

(F)

Nitrate 

(NOS )

2.5 

2.1 

3.0 

3.1 

3.4 

4.0

5.0 

5.8 

5.8 

6.8 

5.3 

6.0

5.1 

5.1 

5.3 

6.6

Boron 

(B)

0.07 

.09

.10 

.12 

.17
SAN JUAN RIVER BASIN--Continued

SAN JUAN RIVER NEAR BLUFF, UTAH--Continued

Chemical analyses, in parts per million, water year October 1954 to Septem

Date of collection

Mar. 11-20, 1955. . 

Mar. 21-31...... ..

Apr. 1-10... ......

Apr. 11-20. .......

Apr. 21-30..... ...

May 11-20 ........

May 21-31.. .......

June 1-10.... .....

June 11-20... .....

July 1-10 .........

July 11-14, 16-20.. 

July 15a..... .....

July 21-26 ........

July 27-31 ........

Aug. 1-10.... .....

Aug. 11-20. .......

Aug. 21-28, 30-31. 

Aug. 29a .........

Sept. 1-10 ........

Sept. 11-20 .......

Sept. 22-30 .......

Weighted average

Mean 

discharge 

(cfs)

1,297 

682

782 

943 

1,425 

2,096 

3,406 

3,537

3,618 

4,228 

2,648 

1,152 

712 

944 

527 

2,124

2,238 

2,753 

1,916 

2,770 

609 

189 

472 

605

b 1,395

Silica 

(Si02)

12 

14

15 

14 

13 

15 

14 

13

12 

10 

15 

16 

18 

23 

16 

25

21 

22 

21 

20 

17 

15 

14 

15

15

Iron 

(Fe)

Calcium 

(Ca)

92

110

94 

92 

67 

60 

51 

45

46 

40 

43 

54 

82 

128 

91 

134

111 

118 

94

80 

90

85

78

Magnesium 

(Mg)

26 

31

25 

24 

16 

13 

7.9 

7.6

10 

7.5 

7.6 

9.9 

14 

17 

19 

21

21

18 

17

16 

24

17

17

Sodium 

(Na)

75 

75

73 

69 

43 

34 

22 

22

22 

17 

21 

26 

72

74 

160

116 

128 

87

65 

111

76

61

Potassium 

(K)

5.0 

4.6

3.8 

3.8 

2.6 

2.8 

1.5 

2.1

2.7 

2.1 

1.8 

2.6 

4.6

4.6 

6.6

5.7 

5.7 

4.6

4.6 

4.6

4.6

3.5

Bicarbonate 

(HCO,)

168 

185

173 

172 

140 

128 

127 

105

114 

96 

98 

120 

160 

192 

174 

238

258 

252 

226 

222 

164 

144 

184 

182

161

Sulfate 

(S0«)

321 

365

305 

291 

186 

154 

95 

96

95 

77 

88 

139 

255 

346 

284 

531

361 

398 

284 

517 

244 

393 

503 

261

237

Chloride 

(Cl)

24 

28

25 

24 

23 

9.5 

5.8 

6.5

7.2 

5.8 

6.9 

12 

18 

24 

24 

23

18 

18 

16 

17 

18 

30 

34 

22

16

Fluoride 

(F)

Nitrate 

(NO,)

6.5 

4.7

4.0 

2.9 

2.7 

2.7 

2.1 

2.1

1.4 

1.5 

1.5 

1.5 

2.5 

1.1 

2.5 

1.2

.4 

.2

.1 

.1 

2.8 

1.9 

4.5 

3.5

2.4

Boron 

(B)

0.10

.06 

.06

.00 

.11

.09 

.07

-

P

a Not Included for computation of weighted averages.

b Represents 98 percent of runoff for water year October 1954 to September 1955
SAN JUAN RIVER BASIN 

SAN JUAN RIVER BASIN--Continued 

SAN JUAN RIVER NEAR BLUFF, UTAH--Continued 

Temperature (°F) of water, water year October 1954 to September 1955

127

Day

1

2

3

4

5

6

7

8

9

10

11

12

13

14

15

16

17

18

19

20

21

22

23

24

25

26

27

28

29

30

31

Average

Oct.

58

63

65

64

66

65

66

65

58

60

59

59

58

57

53

54

55

53

55

53

57

55

--

--

50

49

48

48

46

47

47

56

Nov.

47

48

46

 47

47

46

46

44

44

43

44

47

48

47

46

47

45

44

44

43

44

42

43

43

45

45

42

41

39

38

--

44

Dec.

39

40

40

43

42

40

41

40

38

--

__

39

39

37

34

34

33

34

32

33

33

--

--

--

--

..

--

33

--

_-

32

Jan.

33

32

35

35

33

33

33

33

34

34

37

33

33

33

35

33

33

32

__

--

32

-_

--

33

34

37

35

33

35

33

33

34

Feb.

33

33

32

33

33

33

34

34

38

37

__

-_

-_

40

38

38

41

42

__

--

__

-_

-_

33

33

35

38

39

._

-_

--

Mar.

39

43

41

47

44

42

39

41

42

47

46

47

48

48

48

48

46

43

44

45

35

38

42

46

48

46

43

42

47

50

44

44

Apr.

43

51

40

39

45

45

48

48

51

50

49

47

48

--

52

54

55

52

47

47

54

53

51

55

55

56

52

53

55

57

--

50

May

55

52

51

55

60

62

65

63

58

57

58

60

61

60

56

54

56

53

57

60

66

65

62

60

59

60

60

56

59

66

61

59

June

57

56

58

62

62

64

68

70

67

63

63

66

62

63

66

66

63

66

70

68

70

69

73

68

65

68

66

69

65

70

--

65

July

69

70

71

70

70

68

67

66

69

69

71

70

73

74

74

74

74

72

72

72

75

75

75

75

72

71

71

71

71

75

77

72

Aug.

76

78

78

75

75

75

74

73

73

74

72

74

73

75

73

73

74

74

74

74

..

75

75

73

73

73

73

73

72

70

70

74

Sept.

70

70

73

67

73

70

71

72

71

69

67

66

68

68

68

65

65

64

65

61

61

63

61

63

58

60

60

59

59

58

--

66
128 COLORADO RIVER BASIN 

SAN JUAN RIVER BASIN--Continued 

SAN JUAN RIVER NEAR BLUFF, UTAH--Continued 

Suspended sediment, water year October 1954 to September 1955

Day

2. .....

3. .....

5. .....

6......

7. .....

10. .....

12. .....

15. .....

16......

20. .....

21......

23......

25......

31......

Total.

2. ..... 

3.... .. 

4...... 

5......

8. .....

Q

10. .....

1 9

14. .....

1 ft

20. .....

22...... 

23. ..... 

24. ..... 

25......

26. ..... 

27. ..... 

28...... 

29. ... .. 

30. ..... 

31...... 

Total.

October

Mean 

discharge 

(els)

1,410 

1,340 

1,290 

1,400 

1,530

1,500 

1,530 

2,170 

5,650 

4,080

2,310 

2,090 

1,910 

1,730 

1,660

1,470 

1,330 

1,270 

1,190 

1,150

1,080 

1,040 

1,000 

974 

944

900 

872 

830 

879 

803 

776

48,108

Suspended sediment

Mean 

concentration 

(ppm)

13,500 

8,000 

5,800 

8,500 

12,000

10,000 

8,800 

18,200 

59,700 

47,000

18,800 

13,600 

8,000 

5,400 

4,780

4,430 

4,350 

2,920 

2,900 

3,900

2,500 

2,250 

2,200 

2,200 

2,180

3,650 

2,300 

1,850 

1,680 

1,390 

1,480

--

Tons 

per 

day

51,400 

28,900 

20, 200 

32,100 

49, 600

40, 500 

36, 400 

s 120, 000 

31,070, 000 

s 633, 000

117,000 

76,700 

41,300 

25, 200 

21,400

17, 600 

15,600 

10, 000 

9,320 

12, 100

7,290 

6,320 

a 5, 900 

a 5, 800 

5,560

8,870 

5,420 

4,150 

3,990 

3,010 

3,100

2,487,730

January

235 

223 

378 

711 

783

790 

674 

585 

513 

573

631 

585 

579 

573 

540

524 

590 

600 

530 

470

409 

520 

380 

287 

235

266 

316 

396 

534 

540 

518

15,488

160 

255 

540 

1,400 

2,060

2,050 

1,850 

1,920 

1,130 

1,200

1,510 

1,140 

1,220 

1,300 

1,480

1,620 

1,100 

580 

530

510

525 

640 

530 

230 

190

280 

650 

730 

1,100 

1,950 

810

-

102 

154 

551 

2,690 

4,360

4,370 

3,370 

3,030 

1,570 

1,860

2,570 

1,800 

1,910 

2,010 

2,160

2,290 

1,750 

940 

a 760 

a650

580 

a 899 

a 540 

178 

121

201 

555 

781 

1,590 

2, 840 

1,130

48,312

November

Mean 

discharge 

(cfs)

756 

769 

750 

756 

743

718 

730 

756 

763 

737

698 

668 

631 

619 

614

668 

705 

619 

602 

662

637 

619 

556 

590 

585

573 

579 

556 

562 

562

19,783

Suspended sediment

Mean 

concentration 

(ppm)

1,400 

1,700 

1,400 

1,120 

1,260

1,160 

1,180 

1,320 

1,180 

1,220

1,060 

870 

780 

850 

1,070

915 

880 

960 

950 

1,010

920 

800 

775 

1,420 

2,400

750 

760 

715 

660 

715

-

Tons 

per 

day

2,860 

3,530 

2,840 

2,290 

2,530

2,250 

2,330 

2,690 

2,430 

2,430

2,000 

1,570 

1,330 

1,420 

1,770

1,650 

1,680 

1,600 

1,540 

1,810

1,580 

1,340 

1,160 

2,260 

3,790

1,160 

1,190 

1,070 

1,000 

1,080

58,180

February

497 

534 

602 

619 

655

524 

418 

466 

456 

513

551 

461 

423 

482 

513

631 

743 

959 

1,310 

900

508 

342 

428 

518 

529

585 

962 

930

17, 059

880 

1,420 

1,490 

720 

955

690 

780 

1,000 

1,040 

1,140

1,100 

1,200 

1,200 

1,160 

820

1,300 

2,120 

5,500 

6,100 

5,000

3,900 

3,200 

2,500 

1,710 

1,500

1,610 

5,380 

5,270

--

1,180 

2,050 

2,420 

1,200 

1,690

976 

880 

1,260 

1,280 

1,580

a 1,600 

a 1,500 

al,370 

1,510 

1,140

2,210 

4,250 

14,200 

a 22, 000 

a 12, 000

5,300 

a 3, 000 

a 2, 900 

2,390 

2,140

2,540 

14, 000 

13,200

121,766

December

Mean 

discharge 

(cfs)

534 

529 

513 

546 

590

596 

649 

649 

649 

608

698 

900 

790 

705 

711

668 

619 

540 

482 

471

437 

437 

452 

492 

492

513 

535 

540 

460 

360 

301

17,466

Suspended sediment

Mean 

concentration 

(ppm)

730 

635 

740 

780 

1,000

1,060 

960 

1,010 

880 

820

1,100 

5,560 

4,700 

4,180 

2,500

2,310 

1,600 

1,020 

610 

890

680 

640 

620 

640 

620

610 

630 

735 

590 

510 

440

--

Tons 

per 

day

1,050 

907 

1,020 

,150 

,590

,710 

,680 

,770 

,540 

a ,300

a2,100 

si 4, 200 

10,000 

7,96p 

4,800

4,170 

2,670 

1,490 

794 

1,130

802 

a755 

a 760 

a 850 

a 824

a 845 

a910 

1,070 

a730 

a 500 

358

71,435

March

1,010 

908 

937 

1,260 

1,250

1,200 

1,260 

1,200 

1,090 

1,160

1,500 

1,680 

1,620 

1,530 

1,380

1,250 

1,110 

1,010 

989 

900

796 

705 

686 

763 

686

649 

625 

596 

680 

692 

619

31,741

4,500 

3,850 

5,480 

7,650 

9,420

9,700 

9,680 

9,100 

8,100 

8,830

11,200 

12,100 

11,700 

11,700 

10,300

8,780 

4,900 

4,900 

4,000 

3,800

4,200 

2,700 

2,510 

2,580 

2,110

2,190 

2,190 

3,050 

2,200 

2,300 

1.950

12,300 

9,440 

13,900 

26, 000 

31,800

31,400 

32,900 

29, 500 

23,800 

27, 700

45, 400 

54,900 

51, 200 

48, 300 

38, 400

29, 600 

14,700 

13,400 

10,700 

9,230

9,030 

5,140 

4,650 

5,320 

3,910

3,840 

3,700 

4,910 

4,040 

4,300 

3.260

606, 670

s Computed by subdividing day.

a Computed from estimated concentration graph.
SAN JUAN RIVER BASIN 129

SAN JUAN RIVER BASIN--Continued 

SAN JUAN RIVER NEAR BLUFF, UTAH--Continued

Suspended sediment, water year October 1954 to September 1955--Continued

Day

1. ... ..

2. .....

3......

5. .....

6......

7. .....

8. .....

9. .....

10. ... .

11. ... ..

12. .....

13. ... ..

14......

15......

16......

17. .....

20. .....

22. ... ..

23. .....

24. ..... 

25. .... .

26......

27. .....

28. .....

31......

Total .

1. .....

3...... 

4. ..... 

5......

8...... 

g

10. .....

13. .....

19. .....

25. .....

26. ..... 

27...... 

28. ..... 

29. ..... 

30. ..... 

31. ... .. 

Total .

April

Mean 

discharge 

(cfs)

573 

698 

886 

858 

900

908 

803 

743 

730 

724

674 

643 

568 

590 

803

649 

750 

1,210 

1,900 

1,640

1,330 

1,210 

1,060 

1,390 

1,590

1,330 

1,270 

1,430 

1,810 

1,830

31,500

Suspended sediment

Mean 

concentration 

(ppm)

1,610 

2,000 

6,000 

3,450 

3,500

4,550 

2,520 

2,200 

2,300 

2,600

,950 

,570 

,550 

,600 

,730

,780 

,850 

4,630 

7,920 

6,400

4,780 

3,790 

2,750 

6,320 

4,800

3,620 

3,090 

3,130 

5,110 

4,570

--

Tons 

per 

day

2,490 

3,770 

14,400 

7,990 

8,500

11,200 

5,460 

4,410 

4,530 

5,080

3,550 

2,730 

2,380 

2,550 

5,920

3,120 

3,750 

15,100 

40,600 

28, 300

17,200 

12,400 

7,870 

23,700 

20,600

13,000 

10,600 

12,100 

25,000 

22,600

340,900

July

1,640 

1,500 

1,360 

1,270 

1,200

1,080 

1,010 

922 

810 

730

698 

724 

655 

1,200 

944

796 

655 

590 

562 

529

551 

568 

476 

405 

432

730 

1,820 

2,860 

2,920 

1,840 

1,180

32,657

1,600 

1,200 

1,300 

1,610 

1,290

1,210 

970 

1,380 

2,150 

2,700

1,800 

2,180 

2,420 

10,700 

20, 000

13,300 

8,300 

4,600 

2,950 

2,880

1,750 

1,510 

1,130 

1,750 

1,950

7,500 

21,000 

48,600 

75,700 

57 , 300 

44,000

--

Total discharge for year (cfsTotal load for year (tons) ....

7,080 

4,860 

4,770 

5,520 

4,180

3,530 

2,650 

3,440 

4,700 

5,320

3,390 

4,260 

4,280 

sa34, 900 

51,000

28,600 

a 15, 000 

7,330 

4,480 

4,110

2,600 

2,320 

1,450 

1,910 

2,270

14,800 

103,000 

s 408, 000 

s 668, 000 

295,000 

145,000

1,847,750

May

Mean 

discharge

(cfs)

2,010 

2,010 

1,940 

1,930 

1,830

1,450 

1,380 

1,560 

2,410 

4,440

3,920 

3,750 

3,290 

3,160 

3,250

3,400 

3,780 

3,580 

3,270 

2,660

2,500 

2,240 

3,440 

4,090 

3,900

4,020 

4,270 

3,970 

3,570 

3,030 

3,880

93,930

Suspended sediment

Mean 

concentration 

(ppm)

5,550 

5,050 

4,450 

4,900 

4,100

3,230 

2,820 

3,300 

8,170 

12,900

12,400 

9,460 

8,200 

7,350 

6,700

6,970 

7,710 

6,070 

4,770 

3,900

3,990 

2,950 

7,520 

8,450 

6,420

5,280 

6,160 

6,890 

4,970 

4,150 

5,900

--

Tons 

per 

day

30, 100 

27,400 

23, 300 

25, 500 

20, 300

12,600 

10, 500 

13,900 

355,800 

155,000

131,000 

95,800 

72,800 

62,700 

58,800

64,000 

78,700 

58,700 

42,100 

28, 000

26, 900 

17,800 

870,300 

93,300 

67,600

57,300 

71,000 

73,900 

47 , 900 

34,000 

61,800

1,688,800

August

1,140 

981 

966 

1,580 

2,100

2,710 

2,350 

4,380 

3,680 

2,490

2,360 

2,710 

2,140 

3,840 

4,410

1,980 

2,570 

3,420 

2,000 

1,780

1,520 

1,690 

2,720 

1,710 

1,940

2,660 

1,540 

1,780 

2,770 

2,180 

1,420

71,517

24,000 

14,800 

12,800 

20, 200 

41,500

99,100 

72,300 

83, 000 

69,700 

62,700

54,300 

41, 000 

51,800 

73,200 

75,900

47,500 

38, 800 

53,100 

49,300 

29, 100

25, 000 

16,700 

23,100 

40, 000 

31, 500

40, 800 

33,000 

25, 600 

35,200 

35,500 

32, 600

--

73,900 

39,200 

33,400 

s 98, 500 

s 248, 000

s759,000 

s 47 8, 000 

sl,040, 000 

718,000 

437,000

359,000 

311,000 

310,000 

si, 050, 000 

sl,030, 000

263, 000 

3313,000 

508, 000 

276,000 

140, 000

a 100, 000 

76,200 

si 80, 000 

192,000 

165,000

304, 000 

142,000 

si 30, 000 

s 289, 000 

217,000 

130,000

10,410,200

June

Mean 

discharge 

(cfs)

4,560 

4,240 

3,130 

2,510 

2,140

2,380 

2,120 

3,510 

5,370 

6,220

5,970 

5,300 

4,900 

4,620 

4,230

4,170 

3,230 

3,180 

3,270 

3,410

3,170 

3,200 

3,160 

3,050 

2,950

2,740 

2,450 

2,050 

1,910 

1,800

104,940

Suspended sediment

Mean 

concentration 

(ppm)

7,000 

5,800 

4,170 

2,700 

2,540

4,350 

4,410 

5,600 

7,870 

9,520

7,360 

6,030 

4,830 

4,600 

3,900

3,780 

3,400 

3,370 

3,320 

3,530

3,020 

3,100 

2,800 

3,160 

2,650

2,210 

2,260 

1,820 

1,420 

1,420

--

Tons 

per 

day

86, 200 

66, 400 

35, 200 

18, 300 

14,700

28, 000 

25, 200 

53,100 

114,000 

160, 000

119,000 

86, 300 

63, 900 

57,400 

44, 500

42, 600 

29,700 

28, 900 

29,300 

32, 500

25,800 

26, 800 

23,900 

26, 000 

21,100

16, 300 

14, 900 

10, 100 

7,320 

6,900

1,314,320

September

1,080 

937 

810 

692 

590

524 

452 

423 

323 

263

232 

215 

203 

185 

175

168 

163 

159 

168 

218

472 

900 

655 

614 

518

482 

452 

631 

662 

529

13,895

18,700 

12,200 

8,760 

6,320 

4,150

3,500 

2,710 

2,610 

1,990 

1,310

1,160 

1,290 

503 

373 

332

276 

281 

291 

401 

1,000

4,040 

8,400 

6,880 

11,600 

11,500

7,040 

4,330 

4,650 

4,600 

4,650

--

54, 500 

30, 900 

19,200 

11,800 

6,610

4,950 

3,310 

2,980 

1,740 

930

727 

749 

276 

186 

157

125 

124 

125 

182 

589

s5,670 

s 20, 800 

12, 200 

19, 200 

16,100

9,160 

5,280 

7,920 

8,220 

6,640

251,350

498, 084 

19,247,413

s Computed by subdividing day.

a Computed from estimated concentration graph.
SAN JUAN RIVER BASIN Continued 

SAN JUAN RIVER NEAR BLUFF, UTAH--Conti

Particle-size analyses of suspended sediment, water year October 1

(Methods of analysis: B, bottom withdrawal tube; D, decantation; P, pipette; 

W, in distilled water; C, chemically dispersed; M, mechanica

Date 

of 

collection

Oct. 10, 1954 .... 

Oct. 21 ..........

Jan. 7, 1955 ..... 

Feb. 16.. ........

Mar. 2 ..........

Mar. 4 ..........

Mar. 4 ..........

Mar. 16 .........

Apr. 11.. ........

May 3 ...........

May 9 ...........

May 19 ..........

July 14 ..........

July 15 ..........

July 17 ..........

Aug. 1 ..........

Aug. 6 ..........

Time

8:25 a.m. 

9:40 a. m. 

8:25 a.m. 

10:30 a.m. 

10:30 a.m. 

9:30 a. m.

4:20 p.m. 

3:15 p.m. 

10:05 a.m. 

11:55 a.m. 

4:00 p. m. 

8:40 a. m. 

9:45 a.m.

8:45 a. m. 

9:40 a. m. 

1:15 p.m. 

8:15 a.m. 

9:25 a.m. 

8:20 a. m. 

7:40 a.m.

7:30 a. m. 

7:30 a.m. 

7:20 a.m. 

7:40 a. m. 

3:20 p.m. 

7:50 a.m.

Discharge 

(cfs)

5,080 

1,090 

769 

655 

790 

668

823 

893 

1,270 

1,210 

1,060 

1,210 

718

692 

2,010 

2,840 

3,970 

3,440 

3,260 

5,530

1,640 

997 

661 

1,270 

2,370 

1.990

Water 

temperature 

("F)

60 

57 

47 

47 

33 

38

46 

47 

43 

45 

47 

48 

47

49 

51 

61 

60 

57 

67 

63

74 

74 

74 

76 

81 

75

Suspended se

Concentration 

of sample 

(ppm)

49, 900 

2,690 

1,510 

1,040 

1,620 

1,510

3,520 

6,040 

7,750 

7,210 

12,100 

9,220 

2,010

1,890 

4,350 

9,810 

8,910 

4,730 

6,320 

7,730

5,160 

25,700 

9,030 

26, 200 

24,700 

155.000

Concentration 

of suspension 

analyzed 

(ppm)

3,380 

3,320 

2,000 

1,940 

3,600 

2,240

4,090 

4,010 

6,540 

3,290

4,580 

2,280

3,960 

2,950 

3,630 

3,620 

4,990 

3,760 

5,180

4,600 

3,240 

4,080 

6,170 

3,170 

3.530

Percent fin

0.002

7 

23

0.004

38 

12 

8 

24 

14 

7

46 

45 

45 

46

52

14

14 

17 

12 

22 

12 

13 

16

41 

77 

82 

63 

56 

33

0.008

11 

25

0.016

52 

15 

13 

26 

19 

8

59 

57 

63 

61

69 

21

20 

26 

22 

32 

17 

22 

24

52 

89 

92 

78 

75 

45
SAN JUAN RIVER BASIN 131

sssssss

a a a a a a a

to m co co m co co

s e s s s e s

3 3 3 3 3 cu

5E817E O -59 -10
COLORADO RIVER MAIN STEM 

COLORADO RIVER AT LEES FERRY, ARIZ.

LOCATION. At gaging station at head of Marble Gorge at Lees Ferry, Coconino County, just upstream 

State line, 61.5 miles upstream from Little Colorado River, and 79 miles downstream from San Ju

DRAINAGE AREA. 107,900 square miles, approximately.

RECORDS AVAILABLE. Chemical analyses: January to July 1926, October 192S to June 1927, October 1

October 1947 to September 1955.

Water temperatures: July 1949 to September 1955.

Sediment records: October 1928 to December 1933, November 1942 to September 1944, October 1947 

EXTREMES, 1954-55.--Dissolved solids: Maximum, 1,370 ppm Sept. 21-30; minimum, 355 ppm June 11-20

Hardness: Maximum, 645 ppm Sept. 21-30; minimum, 211 ppm June 1-10.

Specific conductance: Maximum daily, 2,020 micromhos Sept. 23; minimum daily, 480 micromhos May 

Water temperatures: Maximum, 83°F Aug. 6; minimum, 32°F on several days during December to Febr

Sediment concentrations: Maximum daily, 32,400 ppm Oct. 10; minimum daily, 500 ppm Dec. 31.

Sediment loads: Maximum daily, 1,550,000 tons Oct. 10; minimum daily, 4,560 tons Dec. 31. 

EXTREMES, 1928-33, 1942-45, 1947-55.--Dissolved solids (1928-30, 1942-45, 1947-55): Maximum, 1,41

Hardness (1928-30, 1942-45, 1947-55): Maximum, 720 ppm Oct. 11-20, 1928; minimum, 132 ppm June 

Specific conductance (1942-45, 1947-55) Maximum daily, 2,280 micromhos Oct. 15, 1945; minimum da

Water temperatures (1949-55): Maximum, 84°F Aug. 3, 1952; minimum, freezing point many days dur

Sediment concentrations (192&-33, 1942-44, 1947-55): Maximum daily, 83,300 ppm Aug. 11, 1930; m

Sediment loads (1928-33, 1942-44, 1947-55): Maximum daily, 9,450,000 tons Aug. 7, 1929; minimum 

REMARKS. Values reported for dissolved solids are sums of determined constituents. Records of sp

office at Albuquerque, N. Mex. Records of discharge for water year October 1954 to September 19

Chemical analyses, in parts per million, water year October 1954 to Se

Date of collection

Oct. 1-10, 1954 . .

Nov. 11-20 ......

Dec. 1-10 .......

Jan. 1-10, 1955 ..

Jan. 21-31 ......

Mean 

discharge 

(cfs)

9,472

9,227 

6,479 

6,057 

5,949 

5,579

5,317 

4,756 

3,605 

4,047

4,310 

3.588

Silica 

(Si02)

15 

15 

13 

13 

12 

12

12 

12 

14 

18 

16 

18

Iron 

(Fe)

0.13 

.55 

.00 

.01 

.00 

.02

.01 

.00 

.01 

.01 

.01 

.01

Calcium 

(Ca)

167 

159 

131 

123 

123 

131

119 

129 

137 

134 

124 

123

Magnesium 

(Mg)

40 

36 

39 

42 

42 

46

44 

46 

52 

61 

58 

58

Sodium 

(Na)

141 

131 

129 

142 

148 

159

158 

172 

191 

192 

168 

176

Potassium 

(K)

8.6 

7.8 

6.3 

6.1

e.4

6.3

6.0 

7.1 

6.9 

7.0 

6.9 

6.6

Bicarbonate 

(HCO,)

266 

262 

230 

218 

226 

234

233 

237 

262 

278 

260 

256

Sulfate 

(SO,)

532 

494 

430 

443 

441 

489

444 

4S2 

516 

516 

461 

463

Chloride 

(Cl)

80 

76 

86 

'99 

111 

118

126 

141 

159 

162 

144 

156

FIuoride 

(F)

0.4 

.4 

.3 

.3 

.3 

.4

.4 

.4 

.4 

.3 

.4 

.3

Nitrate 

(NO,)

4.8 

6.5 

6.8 

5.6 

5.0 

5.6

5.0 

6.2 

8.9 

7.4 

7. 2 

7.1

Boron 

(B)

0.18 

.16 

.16 

.17 

.16 

.21

.22

.20 

.22 

.08 

.07 

.09
Feb. 1-10, 1955..

Mar. 1-10 .......

May 11-20 .......

July 1-10 ........

Sept. 1-10 .......

Sept. 11-20 ..... 

Sept. 21-30 ......

Weighted average

4,406

4,655

6,695

8,021

29,890

23,640

14,630

8,060

5,481

2,893 

3,207

10,070

19

18

17

15

16

16 

11

15

.02

.01

.01

.06

f\o

.00 

.00

0.06

119

117

129

QQ

141 

148

97

48

40

53 

67

29

166

155

148

1 in

37

134

160 

192

91

6.3

6.0

6.5 3

«J

3

9

3 4

4 3

8

0

7.9 

8.3

5.3

233 

243

221

246

1 OR

210 

200

211

435 

402

393

414

361

111

1 9R

don

594 

701

283

149 

139

143

130

86

77

99

07

104 

138

64

.3 

.3

.3

.3

.4

.43

. .5 

.6

0.4

6.2

6.7

6.7

7.7

4.8

4.5

4 3

2 9

2

0

6.5 

6.5

4.6

.20 

.22

.19

.19

.18

.24

.11

QO

.19 

.19

0.14

1

1

1

1

1
134 COLORADO RIVER BASIN 

COLORADO RIVER MAIN STEM--Continued 

COLORADO RIVER AT LEES FERRY, ARIZ. Continued

Temperature (°F) of water, water year October 1954 to September 1955 

/Once-daily measurement, generally between 8 a.m. and 6 p. m. /

Day

1

2

3

4

5 

6

7

8

9

10

11

12

13

14

15

16

17

18

19

20

21

22

23

24

25

26

27

28

29

30

31

Average

Oct.

66

65

65

65

67

72

70

68

67

63

63

66

62

62

60

60

59

60

59

58

--

61

57

55

54

52

53

52

52

52

61

Nov.

53

51

52

--

51

49

49

49

48

47

49

50

50

50

50

45

47

45

45

46

46

46

45

45

45

45

43

43

48

Dec.

42

42

40

44

42

42

39

38

38

38

39

39

39

36

--

35

35

35

34

34

34

34

34

33

33

33

32

32

32

37

______

Jan.

32

33

34

37

35

35

35

36

36

35

33

33

33

35

35

34

35

32

_

33

32

33

33

35

37

34

36

35

36

34

Feb.

35

37

35

32

35

35

35

36

33

35

35

34

36

37

37

40

--

38

38

34

34

34

__

35

38

39

41

._

__

--

36

Mar.

43

40

45

43

45

45

43

45

46

46

48

50

47

45

44

47

45

42

39

44

48

50

49

48

49

45

54

47

46

Apr.

50

49

46

44

49

50

53

54

51

50

50

52

57

57

54

57

--

--

57

56

55

53

58

58

58

55

56

57

59

54

May

50

55

56

55

62

63

60

57

60

61

66

65

63

58

58

58

58

59

63

63

64

65

62

65

64

63

62

64

65

61

June

60

59

61

--

66

68

69

71

71

69

69

63

69

67

66

70

70

70

72

73

75

73

71

70

69

70

70

70

69

July

71

72

70

--

73

73

72

75

76

72

73

78

78

78

78

77

79

79

78

..

78

81

79

78

78

77

77

78

79

78

76

Aug.

79

79

80

79

83

81

80

80

80

79

80

77

78

81

__

81

78

80

80

78

79

79

78

80

77

79

75

76

77

79

Sept.

75

75

76

77

73

79

76

74

77

72

71

72

72

73

69

71

69

65

--

65

66

65

67

64

66

64

68

66

64

--

70
COLORADO RIVER MAIN STEM 

COLORADO RIVER MAIN STEM Continued 

COLORADO RIVER AT LEES FERRY, ARIZ. Continued 

Suspended sediment, water year October 1954 to September 1955

135

Day

1......

4. .....

5. .....

6......

7. .....

8......

9. .....

10. .....

11......

12. .....

13......

14. .....

15......

16......

17. .....

18. .....

19. .....

20. .....

21......

22......

23......

25...... 

26......

27. ... ..

28......

31......

Total .

1. .....

3

4. ..... 

5......

8. .....

10......

15. .....

19. ..... 

20. .....

21

22...... 

23. ..... 

24. ..... 

25. .....

26...... 

27...... 

28. ..... 

29. ..... 

30. ..... 

31. . ....

Total .

October

Mean 

discharge 

(cfs)

9,040 

8,660 

8,320 

7,740 

7,180

6,840 

6,770 

8,170 

14,900 

17,100

11,500 

9,280 

10,400 

10,900 

9,720

9,320 

8,850 

7,770 

7,380 

7,150

7,110 

7,110 

6,940 

6,600 

6,440

6,340 

6,210 

6,050 

6,080 

6,210 

6,180

258,260

Suspended sediment

Mean 

concentration 

(PPm)

21,300 

18,400 

13,100 

8,800 

10,000

13,200 

9,900 

14,000 

21,600 

32,400

29, 900 

23,000 

15,400 

9,900 

11,400

10,600 

11,600 

14,000 

9,000 

8,100

6,900 

6,800 

6,700 

5,600 

4,400

3,300 

2,600 

2,500 

2,200 

2,300 

2,550

-

Tons 

per 

day

520,000 

430,000 

294,000 

184,000 

a!90,000

244,000 

181,000 

309,000 

51,020,000 

1,550,000

928,000 

576,000 

432,000 

291,000 

299,000

267,000 

277,000 

294,000 

179,000 

156,000

132,000 

a 130, 000 

126,000 

99,800 

76,500

56, 500 

43,600 

40,800 

36,100 

38,600 

42,500

9,443,400

January

3,220 

3,300 

3,280 

3,420 

3,300

3,570 

4,390 

4,840 

5,460 

5,870

5,180 

4,560 

4,440 

4,420 

4,340

4,220 

4,200 

3,990 

3,900 

3,850

3,920 

3,970 

3,970 

3,600 

3,570

3,570 

3,380 

3,280 

3,360 

3,340 

3,510

123,040

540 

685 

696 

650 

630

940 

1,770 

1,790 

2,220 

2,400

1,690 

1,370 

1,370 

1,360 

1,250

1,080 

1,000 

960 

920 

950

920 

890 

670 

670 

780

740 

595 

600 

610 

600 

690

-

4,690 

6,100 

6,160 

a 5, 700 

a5,600

9,060 

21,000 

23,400 

32,700 

38,000

23,600 

16,900 

16,400 

16,200 

14,600

12,300 

11,300 

10,300 

9,690 

9,880

a 9, 700 

9,540 

7,180 

6,510 

7,520

7,130 

5,430 

5,310 

5,530 

5,410 

6,540

369,380

November

Mean 

discharge 

(cfs)

6,370 

6,440 

6,150 

5,960 

5,870

5,780 

5.870 

5,930 

6,120 

6,080

5,930 

5,810 

5,720 

5,630 

5,580

5,550 

6,410 

6,870 

6,150 

5,840

5,720 

5,630 

5,660 

5,660 

5,580

5,520 

5,550 

5,490 

5,490 

5,490

175,850

Suspended sediment

Mean 

concentration 

(ppm)

2,300 

2;450 

2,750 

2,500 

2,300

1,980 

2,350 

2,300 

2,180 

1,850

1,830 

1,840 

1,630 

1,460 

1,660

1,530 

2,100 

2,200 

1,870 

1,820

3,350 

3,240 

3,110 

2,500 

1,830

1,770 

1,500 

1,510 

1,560 

1,490

-

Tons 

per 

day

39,600 

42,600 

45,700 

a 40, 000 

a 36, 000

30, 900 

37,200 

36,800 

36,000 

30,400

29,300 

28,900 

25,200 

22,200 

25,000

22,900 

36,300 

a 41, 000 

31,100 

28,700

51,700 

49,300 

47,500 

38,200 

27,600

26,400 

22,500 

22,400 

23,100 

22,100

996,600

February

3,880 

4,320 

4,490 

4,420 

4,460

4,620 

4,590 

4.520 

4,490 

4,270

4,170 

4,060 

3,970 

3,900 

3,920

3,850 

4,080 

4,220 

4,420 

4,760

5,370 

5,230 

5,120 

4,860 

4,290

4,200 

4,130 

4,040

122,650

897 

1,120 

1,200 

1,090 

1,100

1,130 

1,070 

1,110 

1,000 

920

800 

720 

700 

675 

700

720 

780 

850 

1,000 

1,300

1,990 

2,010 

2,300 

1,700 

1,020

755 

820 

865

-

9,400 

13,100 

14,500 

13,000 

a 13, 000

14,100 

13,300 

13,500 

12,100 

10,600

9,010 

7,890 

7,500 

7,110 

7,410

7,480 

8,590 

a 9.700 

11,900 

16,700

28,900 

38,400 

31,800 

22,000 

11,800

8,560 

9,140 

9,440

369,930

December

Mean 

discharge 

(cfs) 6

5,430 

5,460 

5,520 

5,490 

5,520

5,150 

4,860 

4,840 

5,180 

5,720

5,690 

5,210 

4,820 

4,790 

4,740

4,490 

4,420 

4,620 

4,490 

4,290

4,080 

3,900 

3,700 

3,510 

3,430

3,450 

3,570 

3,660 

3,600 

3,380 

3,380

140,390

Suspended sediment

Mean 

concentration 

(PPm)

1,570 

1,420 

1,420 

1,460 

1,500

1,500 

1,400 

1,550 

1,960 

1,930

1,700 

1,250 

1,100 

1,100 

1,210

1,410 

1,400 

1,280 

1,160 

1,030

895 

840 

720 

610 

600

590 

595 

550 

560 

645 

500

-

Tons 

per 

day

23,000 

20, 900 

21,200 

21,600 

a 22, 000

a 21, 000 

18,400 

20,300 

27,400 

29,800

26,100 

17,600 

14,300 

14,200 

15,500

17,100 

a 17, 000 

16,000 

14,100 

11,900

9,860 

8,850 

7,190 

5,780 

5,560

5,500 

5,740 

5,440 

5,440 

5,890 

4,560

459,210

March

4,010 

4,640 

4,990 

5,260 

5,690

6.640 

7,460 

8,210 

10,200 

9,850

8,700 

8,020 

16,800 

16,200 

12,400

11,300 

15,800 

19,200 

16,000 

12,700

10,400 

9,580 

9,120 

8,510 

7,950

7,380 

6,910 

6,540 

6,600 

7,320 

,7.920

292,300

865 

1,160 

1,420 

1,700 

2,200

2,970 

3,620 

4,400 

6,690 

5,770

5,200 

4,900 

10,700 

10,300 

13,000

12,800 

13,500 

14,100 

15,200 

12,600

9,500 

7,400 

6,500 

5,500 

5,000

4,300 

3,500 

3,050 

2,700 

3,350 

3,450

-

9,370 

14,500 

19,100 

a 24, 000 

a34,000

53,200 

72,900 

97,500 

184.000 

153,000

122,000 

106,000 

s492,000 

451,000 

435,000

391,000 

s 599, 000 

731,000 

657,000 

432,000

267,000 

a 190, 000 

160,000 

126,000 

107,000

85,700 

65,300 

53,900 

48,100 

66,200 

73,800

6,320,570

s Computed by subdividing day.

a Computed from estimated concentration graph.
136 COLORADO RIVER BASIN

COLORADO RIVER MAIN STEM Continued

COLORADO RIVER AT LEES FERRY, ARIZ. Continued

Suspended sediment, water year October 1954 to September 1955 Continued

Day

1......

2. .....

3. .....

4. ..... 

5. .....

6. .....

7. .....

8. .....

9. .....

10. .....

11......

12. .....

13......

14......

15......

16......

17. .....

18......

19. .....

20. .....

21......

22......

23. .....

24. .....

25......

26......

27. .....

28...... 

29......

30. ..... 

31......

Total .

1...... 

2. ..... 

3...... 

4...... 

5......

6. .....

7. .....

8. ..... 

9. .....

10...... 

11......

12......

13. ..... 

14. .....

15. .....

16. .....

17. .....

18...... 

19

20. ..... 

21. .....

22. .....

23. .....

24. ..... 

25......

26...... 

27. ..... 

28. ..... 

29. ..... 

30. ..... 

31...... 

Total .

April

Mean 

discharge 

(cfs)

7,520 

6,600 

6,180 

6,120 

6,500

6,910 

7,040 

7,420 

7,600 

7,630

7,560 

7,380 

7,490 

7,250 

7,320

8,510 

9,720 

10,000 

9,890 

12,000

14,900 

15,400 

18,300 

16,800 

15,100

15,400 

15,700 

14,600 

13,600 

14, 900

311,340

Suspended sediment

Mean 

concentration 

(ppm)

3,150 

2,800 

2,570 

2,450 

2,300

2,700 

2,700 

2,850 

2,750 

2,680

2,550 

2,500 

2,560 

2,680 

2,870

3,450 

3,650 

4,000 

4,300 

5,150

6,450 

6,500 

7,200 

7,300 

6,950

6,980 

6,850 

6,250 

5,200 

5,000

-

Tons 

per 

day

64,000 

49, 900 

42,900 

40,500 

a40,000

50, 400 

51,300 

57, 100 

56,400 

55, 200

52,100 

49, 800 

51,800 

52,500 

56, 700

79,300 

95, 800 

a 110, 000 

a 120, 000 

167,000

259, 000 

270, 000 

356,000 

331,000 

283,000

290, 000 

290,000 

246,000 

191,000 

201,000

4,059,700

July

18,900 

17,700 

16, 500 

15,700 

14,600

14,100 

13,400 

12,700 

11,800 

10,900

9,970 

9,320 

8,510 

7,810 

7,250

7,110 

6,980 

6,910 

6,470 

6,080

5,810 

5,520 

5,120 

4,720 

5,100

5,720 

5,460 

5,430 

6,340 

7,700 

8,060 '

287,690

2,450 

2,400 

2,200 

2,100 

1,900

1,760 

1,800 

1,800 

1,700 

1,600

1,450 

1,340 

,240 

,140 

970

,130 

,080 

,050 

,400 

2,110

1,800 

1,350 

1,040 

795 

1,750

3,800 

3,170 

6,000 

9,400 

8,570 

17,200

-.

Total discharge for year (cfsTotal load for year (tons) . . .

125,000 

115,000 

98,000 

a 89, 000 

a75,000

67,000 

65,100 

61,700 

54,200 

47,100

39,000 

33,700 

28,500 

24,000 

19,000

21,700 

20,400 

19,600 

24, 500 

34,600

a 28, 000 

20, 100 

14,400 

10,100 

24, 100

58,700 

46,700 

88,000 

161,000 

178,000 

374,000

2,065,200

May

Mean 

discharge 

(cfs)

17,400 

17,100 

16, 500 

18,600 

19,800

20,400 

18,000 

17,100 

19,200 

19,800

26,800 

30,800 

29,200 

28,400 

28,000

27, 600 

29,200 

32,500 

34,300 

32,100

29, 200 

26,400 

23,400 

22,400 

26,000

28,800 

30, 000 

31,200 

31,600 

30,800 

28,800

791,400

Suspended sediment

Mean 

concentration 

(ppm).

5,250 

5,200 

5,200 

5,590 

5,600

5,500 

5,000 

5,100 

5,500 

5,520

7,500 

8,300 

8,400 

7,500 

6,960

7,300 

7,150 

6,700 

7,800 

7,500

6,180 

5,250 

5,200 

4,750 

5,350

5,250 

5,050 

5,250 

5,050 

4,800 

4.510

--

Tons 

per 

day

247,000 

240, 000 

232,000 

281 , 000 

a 300, 000

303,000 

243,000 

235,000 

285, 000 

295, 000

543,000 

690,000 

662,000 

575,000 

526,000

544,000 

564,000 

588,000 

722,000 

a 650, 000

487,000 

374, 000 

329,000 

287,000 

376,000

408,000 

409, OQO 

442,000 

431,000 

399,000 

351,000

13,018,000

August

7,420 

7,770 

7,630 

7,280 

6,910

7,950 

7,770 

8,660 

8,850 

12,400

11,100 

9,520 

10,000 

9,640 

9,120

12, 000 

9,600 

8,060 

8,770 

8,850

7,380 

7,180 

7,320 

7,150 

7,840

7,420 

7,380 

6,910 

5,690 

5,810 

7,560

256,940

20,300 

14,200 

9,200 

9,150 

9,400

9,600 

9,500 

10,200 

17,800 

18,100

21,900 

19,600 

18,000 

17,800 

16,000

21,000 

25,000 

28,100 

22,500 

18,900

15,600 

16,600 

14,500 

10, 600 

8,470

9,000 

15,800 

15,100 

13,200 

10, 500 

14,750

.-

407,000 

298,000 

190,000 

180, 000 

a 180, 000

206,000 

199,000 

238, 000 

425, 000 

606,000

656, 000 

504,000 

486, 000 

463,000 

394,000

sa690,000 

a 650, 000 

612,000 

533,000 

452,000

311,000 

322,000 

287, 000 

205, 000 

179, 000

180,000 

315,000 

282,000 

203,000 

165,000 

301 , 000

11,119,000

June

Mean 

discharge 

(cfs)

27, 200 

27,200 

26,400 

25..300 

24,200

22,100 

21,400 

20,800 

20, 100 

21,700

24,500 

32,900 

33,800 

31,600 

31,200

31,600 

31,200 

30,800 

30,400 

28,800

28,800 

27,600 

26,800 

27,200 

26, 800

26,400 

26,000 

24,500 

22,100 

20,400

799,800

Suspended sediment

Mean 

concentration 

(ppm)

4,820 

4,600 

4,480 

4,200 

3,700

3,400 

3,400 

3,000 

2,760 

3,240

3,600 

4,400 

4,700 

4,700 

4,750

4,200 

3,600 

3,660 

4,100 

3,500

3,450 

3,200 

3,000 

3,520 

3,300

3,300 

3,600 

3,200 

2,750 

2,580

--

Tons 

per 

day

354,000 

338,000 

319,000 

a 290, 000 

a 240, 000

203,000 

196,000 

168,000 

150,000 

190,000

238,000 

391,000 

429,000 

a400,000 

400,000

358,000 

303,000 

304,000 

337,000 

272,000

268,000 

238,000 

217,000 

259,000 

239,000

235,000 

253,000 

212,000 

164,000 

142,000

8,107,000

September

7,320 

7,560 

6,670 

6,150 

5,840

5,100 

4,520 

4,200 

3,830 

3,620

3,470 

3,320 

3,140 

2,980 

2,840

2,710 

2,660 

2,650 

2,610 

2,550

2,520 

2,570 

2,550 

2,840 

3,380 

3,570 

3,680 

3,640 

3,680 

3,640

115,810

13,600 

11,750 

11,200 

8,800 

7,650

7,500 

7,450 

7,750 

9,100 

5,100

3,800 

2,600 

2,100 

2,850 

2,250

1,700 

1,400 

1,040 

870 

820

820 

780 

900 

1,290 

2,460 

2,030 

1,840 

1,840 

1,970 

2,140

days) ..........................................................

269, 000 

240, 000 

202, 000 

146,000 

121,000

a 100, 000 

90, 900 

87,900 

94,100 

49,800

35,600 

23,300 

17,800 

22,900 

17,300

12,400 

10,100 

7,440 

6,130 

a 5, 600

5,580 

5,410 

a 6, 200 

9,890 

22,400 

19,600 

18,300 

18,100 

19, 600 

21,000

1,705,350

3,675,470 

58,033,340

s Computed by subdividing day.

a Computed from estimated concentration graph.
COLORADO RIVER MAIN STEM--Continued 

COLORADO RIVER AT LEES FERRY, ARIZ.--Contin

Particle-size analyses of suspended sediment, water year October 195

(Methods of analysis: B, bottom withdrawal tube; D, decantation; P, pipette; 

W. in distilled water, C; chemically dispersed; M. mechanically dispersed: V

Date 

of 

Collection

Oct. 1, 1954. ....

Oct. 14 .........

Dec. 15 ........

Dec. 31 ........ 

Jan. 29, 1955 . . . 

Feb. 26 ........

Mar. 15 ........

Mar. 17 ........

Aug. 14 .........

Sept. 13. ........

Time

11:15 a.m. 

10:30 a.m. 

10:00 a.m. 

10:30 a.m. 

9:30 a.m. 

11:30 a.m.

10:45 a.m. 

12:00 m. 

12:15 p.m. 

3:15 p.m. 

1:50 p.m. 

2:00 p.m.

2:45 p. m. 

3:45 p.m. 

11:30 a.m. 

10:10 a.m. 

10:30 a. m. 

11:00 a.m.

11:00 a. m. 

11:15 a.m. 

12:40 p.m. 

10:00 a.m. 

10:00 a. m. 

12:30 p.m.

10:00 a. m. 

9:45 a.m. 

10:30 a.m. 

10:00 a. m. 

10:30 a.m.

Discharge 

(cfs)

9,120 

12.400 

17,700 

8,970 

11,100 

6,120

5,520 

4,760 

3,450 

3,340 

4,150 

17,400

12,700 

20,400 

7,600 

15,100 

17,700 

29,200

29,200 

21,700 

'32,900 

7,350 

6,020 

8,060

13,100 

11,300 

9,600 

5,460 

3,140

Water 

temperature 

(°F)

66 

68 

67 

63 

62 

52

50 

39 

32 

36 

38 

48

47 

45 

54 

55 

55 

65

65 

65 

63

78 

78 

78

80 

79 

78 

76 

72

Suspended sed

Cone entration 

of sample 

(ppm)

20,300 

13,900 

28,900 

22,400 

9,030 

2,170

1,400 

1,180 

488 

608 

720 

9,150

13,500 

16,100 

2,540 

6,290 

5,050 

8,420

8,420 

4,740 

4,750 

932 

9,360 

18,300

17,100 

21,700 

16,800 

10,400 

1,830

Concentration 

of suspension 

analyzed 

(ppm)

3,320 

4,110 

3,670 

3,860 

4,000 

3,620

3,610 

3,540 

2,860 

3,340 

4,980 

4,040

3,910 

4,100 

3,640 

4,460 

3,690 

4,130

3,820 

3,520 

3,570 

2,740 

4,580 

4,920

4,800 

5,650 

5,080 

5,750 

3.740

Percent fin

O.OT2

26 

3

0.004

69 

51 

52 

64 

52 

40

37 

36 

33 

22 

36 

28

55 

43 

31 

29 

28 

31

6 

20 

18 

16 

63 

72

58 

65 

70 

71 

71

0.008

40 

30

0.016

88 

71 

79 

86 

78 

58

53 

52 

45 

36 

52 

48

78 

65 

50 

50 

48 

51

49 

36 

29 

25 

90 

93

80 

85 

88 

87 

85
138 COLORADO RIVER BASIN

PARIA RIVER BASIN 

PARIA RIVER AT LEES FERRY, ARIZ.

LOCATION.--At gaging station half a mile upstream from mouth and 1 mile northwest of Lees

Ferry, Coconino County.

DRAINAGE AREA.--1,570 square miles, approximately. 

RECORDS AVAILABLE.--Chemical analyses: October 1947 to February 1950.

Sediment records: October 1947 to September 1955. 

EXTREMES, 1954-55. Sediment concentrations: Maximum daily, 355,000 ppm Aug. 26; minimum

daily, 2 ppm May 21-25. 

Sediment loads: Maximum daily, 1,100,000 tons Oct. 8; minimum daily, less than 0.05

ton on many days. 

EXTREMES, 1947-55.--Sediment concentrations: Maximum daily, 411,000 ppm Aug. 27, 1952;

minimum daily, 1 ppm June 1-10, 1950. 

Sediment loads: Maximum daily, 1,740,000 tons Aug. 5, 1948; minimum daily, less than

0.05 ton on many days. 

REMARKS.--Records of discharge for water year October 1954 to September 1955 given in WSP

1393. Flow affected by ice Dec. 17 to Jan. 1, Jan. 13-15, 17-18, 22-23, 25-28,

Feb. 5-14, 19-22.

Suspended sediment, water year October 1954 to September 1955

Day

1......

2. .....

7. .....

8......

10. ... ..

15......

16...... 

17. ..... 

18. ... .. 

19. ..... 

20......

21...... 

22...... 

23...... 

24. ..... 

25......

26...... 

27...... 

28...... 

29...... 

30. ..... 

31...... 

Total .

October

Mean 

discharge 

(cfs)

9.6 

8.6 

8 . 2 

83 

79

23 

35 

587 

555 

62

24 

18 

16 

15 

14

14 

15 

15 

14 

14

14 

14 

14 

13 

12

12 

13 

14 

14 

14 

14

1,757.4

Suspended sediment

Mean 

concentration 

(ppm)

27,500 

15,000 

7,000 

100,000 

250,000

127,000 

104,000 

320,000 

200, 000 

80,000

60, 000 

38, 000 

14,500 

1,730 

560

380

I"

79 

I 66

} -

-

Tons 

per 

day

713 

348 

115 

sa!20,000 

sa75,000

8,470 

s 13,700 

sbl, 100,000 

sa490,000 

13,900

4,030 

1,920 

626 

70 

21

14 

6.1

2.9

2.3 

1.7

1,826,017.9

November

discharge 

(cfs)

14 

14 

15 

15 

15

10 

12 

12 

9.6 

12

13 

12 

15 

17 

15

14 

17 

16 

15 

14

13 

13 

12 

10 

10

10 

10 

9.6 

12 

13

389.2

Suspended sediment

Mean 

concentration 

(ppm)

49

20 

49 

17 

7

> ::

--

Tons 

per 

day

1.8

.6 

2.1

.6

.2 

.3

31.4

December

Mean 

discharge 

(cfs)

20 

18 

21 

79 

120

43 

25 

22 

IB 

18

23 

23 

20 

23 

22

18 

14 

10 

12 

7.5

14 

11 

12 

12

15

17 

13 

3.4 

11 

11 

8.0

683.9

Suspended sediment

Mean 

concentration 

(ppm)

450 

1,000 

1,250 

13, 600 

48, 800

34, 000 

22, 900 

16, 100 

4,950 

850

820 

740 

610 

760 

600

510 

400 

347 

165 

131

682 

685 

441 

123 

156

349 

562 

98 

290 

260 

134

--

Tons 

per 

day

24 

49 

71 

s6,100 

s 16, 500

a 4, 100 

1,550 

956 

241 

41

51 

46 

33 

47 

36

25 

a!5 

9.4 

5.3 

2.7

26 

20 

14 

4.0 

6.3

16 

20 

.9 

8.6 

7.7 

2.9

30,028.8

s Computed by subdividing day.

a Computed from estimated concentration graph.

b Computed from partly estimated concentration graph.
PARIA RIVER BASIN 139

PARIA RIVER BASIN--Continued 

PARIA RIVER AT LEES FERRY, ARIZ.--Continued 

Suspended sediment, water year October 1954 to September 1955 Continued

Day

1......

2......

3......

4. .....

5. .....

6. .....

7. .....

8. .....

9. .....

10. .....

11......

12......

13......

14. .....

15. .....

16......

17. .....

18......

19. .....

20. .....

21......

22. .....

23......

24. .....

25......

26......

27. .....

28......

29......

30. .....

31......

Total .

1. .....

2. ..... 

3. ..... 

4...... 

5......

6. .....

7. .....

8. ..... 

g

10. .....

11......

12. .....

13. ..... 

14. ..... 

15. .....

16. .....

17. .....

18. .....

19

20 ...

21......

22. ..... 

23. ..... 

24. ..... 

25. .....

26. ..... 

27. ..... 

28. ..... 

29. ..... 

30. ..... 

31...... 

Total .

January

Mean 

discharge 

(cfs)

13 

12 

12 

23 

33

25 

19 

23 

15 

17

19 

18 

10 

12 

11

17 

20 

20 

18 

19

14 

10 

12 

20 

20

22 

24 

23 

24 

25 

26

576

Suspended sediment

Mean 

concentration 

(ppm)

125 

130 

195 

310 

620

1,300 

1,590 

775 

550 

390

390 

295 

430 

368 

133

108 

384 

376 

292 

388

350 

130 

329 

220 

290

500 

450 

340 

412 

600 

975

"

Tons 

per 

day

4.4 

4.2 

6.3 

a!9 

a 55

88 

82 

48 

22 

18

20 

14 

12 

12 

4.0

5.0 

21 

20 

sI6 

s25

sa20 

2.3 

11 

12 

16

a30 

a 29 

21 

s32 

40 

68

777.2

April

12 

8.6 

9.1 

12 

12

11 

7.3 

7.3 

9.6 

12

9.1 

9.6 

9.1 

7.8 

6.4

4.9 

4.6 

5.2 

7.3

7.8

5.6 

6.8 

6.4 

5.6 

5.2

4.6 

4.3 

4.9 

5.6 

5.2

226.9

430 

500 

495 

1,450 

840

323 

495 

265 

132 

153

415 

280 

150 

105 

129

178 

28 

40 

50 

25

185 

220 

73 

63

47

50 

I 20

-

14 

12 

12 

47 

27

9.6 

9.8 

5.2 

3.4 

5.0

10 

7.3 

3.7 

2.2 

2.2

2.4 

.3 

a. 6 

al.O 

.5

2.8 

4.0 

1.3 

1.0 

.7

.6 

.3

186.8

February

Mean

discharge 

(cfs)

30 

30 

28 

17 

15

16 

14 

17 

20 

23

18 

15 

20 

24 

31

53 

76 

157 

47 

9.6

8.2 

9.1 

13 

30 

27

25 

33 

29

834.9

Suspended sediment

Mean 

concentration 

(ppm)

1,130 

. 925 

1,080 

1,610 

1,000

376 

259 

265 

266 

372

428 

332 

352 

315 

1,020

1,810 

3,520 

24, 000 

10,700 

3,900

1,360 

622 

900 

4,300 

3,300

2,440 

1,500 

1,800

-

Tons 

per 

day

s!05 

s82 

82 

s79 

a 40

16 

9.8 

12 

14 

23

21 

13 

19 

20 

s98

259 

722 

812,100 

1,360 

101

30 

15 

32 

sa370 

s276

s!96 

134 

141

16,369.8

May

4.3 

4.6 

4.6 

4.6 

4.6

4.6 

4.6 

4.3 

5.2 

6.0

6.0 

4.6 

4.3 

4.0 

3.7

4.0 

4.6 

4.9 

4.6 

4.6

4.3 

4.3 

4.3 

4.0 

4.0

4.6 

4.0 

4.0 

4.3 

4.3 

4.3

139.1

1 '

4 

5

) '

2 

3

-

0.1 

.1 

.1 

(t) 

(t)

(t)

2.0

March

Mean 

discharge 

(cfs)

32 

34 

85 

102 

94

62 

45 

55 

66 

68

78 

54 

40 

39 

32

25 

21 

20 

18 

19

18 

12 

17 

15 

13

14 

14 

15 

13 

13 

12

1,145

Suspended sediment

Mean 

concentration 

(ppm)

1,950 

1,500 

14,900 

25, 300 

25, 000

21,900 

15,500 

15,300 

23,800 

22, 800

30, 200 

25,500 

27,700 

26, 300 

17,900

13,100 

6,800 

5,250 

1,190 

1,130

1,260 

1,300 

1,370 

1,090 

940

555 

730 

1,450 

2,530 

3,140 

1,310

"

Tons 

per 

day

168 

138 

s4,930 

s7,940 

sa 6, 800

s3,800 

si, 980 

s2,820 

s4, 320 

s4,680

6,360 

3,720 

2,990 

2,770 

1,550

884 

386 

284 

58 

58

61 

a 42 

63 

44 

33

21 

28 

59 

89 

110 

42

57,228

June

4.0 

4.0 

3.7 

4.0 

4.0

4.0 

4.0 

4.0 

4.0 

4.0

4.0 

4.9 

19 

19 

11

6.8 

5.2 

4.9 

4.6 

3.7

2.9 

3.4 

3.7 

3.4 

3.4

3.4 

3.4 

3.4 

3.4 

3.4

156.6

I'

\ ' 

} '

1,720 

1,500 

27,200

11,800 

2,000 

650 

370 

238

180 

139 

124

I 69

> 44

"

0.1

.1

.1

88 

a77 

808

217 

28 

8.6 

4.6 

2.4

1.4 

1.3 

1.2

.6 

.4

1,242.1

s Computed by subdividing day.

t Less than 0.05 ton.

a Computed from estimated concentration graph.
140 COLORADO RIVER BASIN

PARIA RIVER BASIN Continued 

PARIA RIVER AT LEES FERRY, ARIZ.--Continued 

Suspended sediment, water year October 1954 to September 19S5--Continued

Day

1. .....

2. .....

3. .....

5. .....

6. .....

9. .....

12......

13......

16......

18. .....

19. .....

21......

22. .....

23. .....

24. ..... 

25. .....

26......

28. .....

30. ..... 

31......

Total.

July

Mean 

discharge 

(cfs)

3.7 

3.7 

3.2 

3.2 

3.2

3.2 

3.4 

3.4 

3.2 

3.2

3.4 

3.4 

3.7 

3.7 

3.7

3.7 

3.7 

4.3 

6.0 

7.3

6.0 

10 

11 

10 

159

42 

38 

33 

15 

11 

9.2

420.5

Suspended sediment

Mean 

concentration 

(ppm)

29 

17 

15

]'

10 

43, 000 

44,000 

31,000 

216,000

158, 000 

97, 200 

89, 000 

73, 000 

39, 500 

27, 500

Total discharge for year (cfsTotal load for year (tons) ....

Tons 

per 

day

0.3 

.2 

.1

(t)

a. 2 

1,200 

1,360 

837 

3171,000

19,900 

si 1,500 

8,520 

3,070 

1,220 

683

219,293.4

August

Mean 

discharge 

(cfs)

8.0 

8.8 

11 

37 

211

58 

20 

9.9 

18 

16

8.5 

49 

58 

49 

86

37 

776 

249 

60 

24

15 

11 

9.5 

12 

101

383 

53 

20 

12 

10 

8.0

2,428.7

Suspended sediment

Mean 

concentration 

(ppm)

22,000 

10, 000 

24, 800 

66, 000 

270, 000

200,000 

123,000 

60, 000 

39, 600 

38,000

27,000 

86,000 

140,000 

81,900 

154,000

86, 000 

230,000 

167,000 

95,000 

68,000

41,000 

14,500 

3,500 

7,100 

37,100

355,000 

130,000 

87,000 

60, 000 

40, 000 

20, 500

..

Tons 

per 

day

475 

238 

si, 000 

sal 1,000 

saSOO, 000

36,000 

7,130 

1,660 

s2,120 

1,700

620 

sa42,000 

sa27,000 

s 15, 700 

s 51, 500

8,910 

3a880,000 

136,000 

16,500 

4,570

1,720 

431 

90 

sa620 

s 13, 400

s 573, 000 

s 21, 200 

5,050 

2,020 

1,120 

443

2,163,217

days)

September

Mean 

discharge 

(cfs)

7.2 

6.4 

6.0 

6.0 

5.6

5.2 

4.8 

4.8 

5.2 

4.8

4.5 

4.5 

4.5 

4.5 

4.5

4.2 

4.5 

4.5 

4.5 

4.5

4.5 

4.5 

4.2 

4.2 

4.5

4.5 

4.2 

4.5 

4,5 

4.5

144.8

Suspended sediment

Mean 

concentration 

(ppm)

4,800 

810 

243 

134 

90

58 

37 

50 

35

6

7 

4

3

..

............................................................. 4, 3

Tons 

per 

day

93 

14 

3 9 

2.2 

1.4

.8 

.5 

.6 

.5

.1 

.1 

(t) 

(0

118.4

8,903.0 

14,512.8

s Computed by subdividing day.

t Less than 0.05 ton.

a Computed from estimated concentration graph.
PARIA RIVER BASIN--Continued

PARIA RIVER AT LEES FERRY, ARIZ. Continue

Particle-size analyses of suspended sediment, water year October 1954 

(Methods of analysis: B, bottom withdrawal tube; D, decantation; P, pipette; S

W, in distilled water; C, chemically dispersed; M, mechanically dispersed; V

Date 

of 

Collection

Oct 8, 1954 ..... 

July 25, 1955 .....

Aug. 26 .........

Time

4:30 p.m. 

9:00 a.m. 

6: 20 p.m. 

11:10 a.m.

Discharge 

(cfs)

435 

364 

160 

408

Water 

temperature 

(°F)

72 

78 

75

Suspended sed

Concentration 

of sample 

(ppm)

427,000 

243,000 

165,000 

468.000

Concentration 

of suspension 

analyzed 

<ppm)

4,740 

4,510 

4,200 

3.280

Percent fine

0.002 0.004

24 

27 

55 

15

0.008 0.016

35 

43 

82 

22
LITTLE COLORADO RIVER BASIN 

LITTLE COLORADO RIVER AT WOODRUFF, ARIZ.

LOCATION.--At gaging station on county bridge in Woodruff, Navajo County, 3} miles downstream from 

DRAINAGE AREA.--8,100 square miles, approximately.

RECORDS AVAILABLE.--Chemical analyses: June 1950 to September 1955.

Water temperatures: June 1950 to September 1955.

Sediment records: June 1950 to September 1955. 

EXTREMES, 1954-55.--Dissolved solids: Maximum, 992 ppm Feb. 25-28; minimum, 212 ppm July 17, 21-2

Hardness: Maximum, 410 ppm Feb. 25-28; minimum, 98 ppm Aug. 1-8.

Specific conductance: Maximum daily, 1,950 micromhos Feb. 26; minimum daily, 253 micromhos July 

Water temperatures: Maximum, 82°F July 17; minimum, 33"F Dec. 21, 30, Jan. 22.

Sediment concentrations: Maximum daily, 55,800 ppm Aug. 8; minimum, no flow on many days.

Sediment loads: Maximum daily, 372,000 tons Aug. 8; minimum, 0 tons on many days. 

EXTREMES, 1950-55. Dissolved solids: Maximum, 1,350 ppm June 15, 1953; minimum, 129 ppm Mar. 29 

Hardness: Maximum, 422 ppm Sept. 29, 1953; minimum, 40 ppm July 29-30, 1952.

Specific conductance: Maximum daily, 2,170 micromhos June 15, 1953; minimum daily, 166 micromho

Water temperatures: Maximum, 90°F July 23, 1953; minimum, freezing point Dec. 22, 26, 27, 29, 3

Sediment concentrations: Maximum daily, 66,400 ppm Aug. 4, 1951; minimum, no flow on many days 

Sediment loads: Maximum daily, 409,000 tons Aug. 28, 1951; minimum daily, 0 tons on many days e

REMARKS. Values reported for dissolved solids are sums of determined constituents. Records of sp

district office at Albuquerque, N. Hex. Flow affected by ice Dec. 21-26, Dec. 28 to Jan. 1, Ja

record Sept. 2-4. Records of discharge for water year October 1954 to September 1955 given in 

Chemical analyses, in parts per million, water year October 1954 to 

Date of collection

Oct. 1-5,7-10, 1954

Dec. 21-31..... . ..

Jan. 1-10, 1955 ...

Feb. 1-12 ........

Feb. 13-20... .....

Feb. 25-28.... ....

Mean 

discharge 

(cfs)

20.7 

31 

7.08 

6.12 

5.98 

5.28 

5.42

5.79 

5.66 

5.72 

6.40 

6.39 

5.56

4.95 

7.15 

4.30 

10.8

Silica 

(Si02)

18 

16 

19 

20 

23 

20 

19

20 

20 

19 

20 

22 

20

21 

22 

22 

19

Iron 

(Fe)

Calcium 

(Ca)

39 

42 

44 

48 

45 

49 

48

49 

48 

50 

47 

44 

48

49 

81 

47 

97

Magnesium 

(Mg)

12 

9.4 

18 

22 

21 

22 

21

24 

22 

22 

22 

24 

22

23 

37 

23 

41

Sodium P°uarf-

(Nal S1Um 

(Na) (K)

60 

214 

32 

26 

29 

27 

28

27 

28 

28 

28 

29 

28

28 

127 

30 

187

Bicarbonate 

(HC03 )

199 

298 

209 

222 

214 

218 

204

232 

216 

216 

209 

216 

214

223 

241 

215 

222

Sulfate 

(SO,)

79 

240 

54 

56 

57 

61 

66

59 

63 

64 

65 

62 

63

64 

235 

66 

337

Chloride 

(Cl)

23 

81 

19 

19 

19 

21 

22

20 

21 

23 

21 

21 

21

21 

133 

23 

201

Fluoride 

(F)

Nitrate 

(N03 )

0.5 

1.0 

.3 

.3 

.2 

.4 

.3

.2 

.2 

.2 

.1

.1 

.1

.1 

.2 

.2 

1.2

Boron 

(B)
LITTLE COLORADO RIVER BASIN 143

I O O O 03 O

> O CO 

) CO i-H (
144 COLORADO RIVER BASIN

LITTLE COLORADO RIVER BASIN Continued 

LITTLE COLORADO RIVER AT WOODRUFF, ARIZ . Continued

Temperature (°F) of water, water year October 1954 to September 1955 

/Once -daily measurement, generally between 11 a.m. and 6 p.m.7

Day

1

2

3

4

5

6

7

8

9

10

11

12

13

14

15

16

17

18

19

20

21

22

23

24

25

26

27

28

29

30

31

Average

Oct.

..

68

70

65

b62

64

b65

66

a 54

a 54

a 53

64

a 52

a 49

a51

a 50

a 52

a 50

a 51

a51

a 52

a 51

a 48

a 47

a 46

a 47

a 46

54

55

55

Nov.

55

54

a 45

a 46

a 43

a41

51

a 44

52

a41

47

49

52

a 45

a 46

47

48

48

a 40

a 40

44

43

48

46

45

45

45

45

43

41

46

Dec.

44

46

47

48

45

44

46

43

40

42

41

39

37

37

37

37

37

35

35

35

a 33

b35

b37

36

35

34

34

35

34

33

34

39

Jan.

36

36

37

38

38

35

38

37

38

37

39

36

38

37

36

38

36

35

36

36

36

33

38

39

38

36

37

37

38

38

39

37

Feb.

39

40

35

36

36

35

35

39

43

40

37

38

44

44

46

46

45

40

38

36

38

39

42

40

43

45

48

46

__

_

40

Mar.

53

54

52

52

47

49

40

48

54

53

50

58

59

54

45

43

49

53

53

42

45

54

54

54

57

55

55

56

60

51

--

52

Apr.

..

_

--

_

--

--

--

_

_

.-

--

_

58

"

"

a 56

a 56

a 55

a 55

a 54

--

May

58

_

--

--

a 60

a 58

a 57

61

a 55

a 54

a 60

a 59

a 59

a 58

a 54

a 54

a 55

a 54

a 58

72

a 67

58

69

a 62

a 52

a 52

a 58

a 60

a 62

a 61

--

59

June

..

_

--

_

a 67

--

--

_

_

58

62

67

a 67

a 62

a 66

a 65

a 65

a 69

a74

a 70

a 73

a 66

_

--

--

--

July

..

--

--

_

--

--

..

a 69

a74

78

82

70

a 68

a 65

a 69

b70

b71

71

70

a 69

a70

79

78

a75

76

--

Aug.

a72

a75

74

77

74

a76

72

72

73

78

72

76

70

b73

78

72

b71

b72

a71

75

74

75

b70

74

74

79

78

73

b75

b70

74

74

Sept.

b72

74

a 68

b74

a 68

70

74

b74

a 67

a 67

78

72

77

77

71

a 65

a 65

70

a65

69

68

73

68

68

a 60

70

67

70

68

65

--

70

a Measurement before 11 a.m. 

b Measurement after 6p.m.
LITTLE COLORADO RIVER BASIN

LITTLE COLORADO RIVER BASIN Continued

LITTLE COLORADO RIVER AT WOODRUFF, ARIZ. Continued

Suspended sediment, water year October 1954 to September 1955

Day

1......

2. .....

3. .....

4. .....

7. .....

8. .....

9. .....

10. .....

12......

13. .....

14......

16......

19. .....

20. .....

21......

22......

23......

25......

26......

28......

29......

31......

Total.

2. ..... 

3...... 

4...... 

5......

6. .....

8. ..... 

9. ..... 

10. .....

13......

15. .....

18. ..... 

19. ..... 

20. .....

22...... 

23. ..... 

24. ..... 

25......

26. ..... 

27. ..... 

28...... 

29. ..... 

30. ..... 

31......

Total.

October

Mean 

discharge 

(cfs)

5.1 

6.3 

9.2 

5.9 

5.9

31 

27 

31 

73 

23

13 

9.7 

8.0 

6.7 

5.5

5.1 

5.9 

5.9 

5.5 

5.5

4.6 

4.2 

4.2 

4.2 

4.6

7.2 

9.2 

9.7 

8.0 

6.3 

5.1

355.5

Suspended sediment

Mean 

concentration 

(ppm)

210 

170 

140 

111 

103

33, 800 

26, 100 

21,800 

43,900 

22, 400

1,480 

103 

90 

85 

105

105 

108 

108 

108 

109

127 

144 

154 

213 

174

189 

174 

163 

158 

134 

128

--

Tons 

per 

day

a2.9 

a2.9 

a3.5 

1.8 

1.6

s4,640 

1,900 

s 2, 070 

s9, 680 

1,390

52 

2.7 

1.9 

1.5 

1.6

1.4 

1.7 

1.7 

1.6 

1.6

1.6 

1.6 

1.7 

2.4 

2.2

3.7 

4.3 

4.3 

3.4 

2.3 

1.8

19,789.7

January

5.9 

5.9 

7.2 

7.2 

6.7

6.3 

5.9 

6.3 

6.3 

6.3

6.7 

6.7 

6.7 

6.3 

6.3

6.7 

7.2 

5.9 

5.9 

5.5

4.6 

5.5 

6.3 

5.9 

5.9

5.9 

5.9 

5.5 

5.1 

5.1 

5.5

189.1

15 

25 

41 

25 

18

37 

29 

20 

16 

18

15 

14 

13 

13 

16

50 

29 

30 

43 

23

20 

13 

14 

15 

13

25 

16 

12 

14 

13 

15

--

0.2 

.4 

.8

.;

.6 

.5 

.3 

.3 

.3

.3 

.3 

.2 

.2 

.3

.9 

.6 

.5 

.7 

.3

.2 

.2 

.2 

.2 

.2

.4 

.3 

.2 

.2 

.2 

.2

11.0

November

discharge 

(cfs)

4.6 

5.1 

5.5 

5.1 

6.3

6.3 

6.7 

7.2 

6.7 

6.3

5.9 

5.5 

5.5 

5.1 

4.6

4.6 

5.1 

5.5 

5.5 

5.5

5.5 

5.1 

5.1 

5.1 

5.1

5.1 

5.5 

5.9 

5.9 

5.9

166.8

Suspended sediment

Mean 

concentration 

(ppm)

157 

155 

148 

154 

132

115 

109 

99 

99 

100

127 

131 

126 

129 

137

136 

131 

127 

119 

100

82 

88 

73 

55 

42

69 

74 

88 

214 

220

--

Tons 

per 

day

1.9 

2.1 

2.2 

2.1 

2.2

2.0 

2.0 

1.9 

1.8 

1.7

2.0 

1.9 

1.9 

1.8 

1.7

1.7 

1.8 

1.9 

1.8 

1.5

1.2 

1.2 

1.0 

.8 

.6

1.0 

1.1 

1.4 

3.4 

3.5

53.1

February

5.5 

5.1 

4.6 

4.2 

4.6

4.2 

3.8 

4.2 

5.1 

5.9

5.9 

6.3 

6.3 

7.2 

10

9.2 

9.0 

7.2 

5.1 

4.2

3.8 

4.2 

4.6 

4.6 

9.2

11 

12 

11

177.0

11 

37 

39 

40 

19

17 

20 

15 

17 

26

28 

48 

32 

34 

70

83 

111 

151 

106 

45

22 

16 

21 

32 

112

167 

143 

103

-

0.2 

.5 

.5 

.5 

.2

.2 

.2 

.2 

.2 

.4

.4 

.8 

.5 

.7 

1.9

2.1 

2.4 

2 9 

1.5 

.5

.2 

.2 

.3 

.4 

2.8

5.0 

4.6 

3.1

33.4

December

Mean 

discharge 

(cfs)

5.1 

5.1 

7.2 

6.3 

6.7

6.3 

5.5 

5.1 

5.1 

5.5

5.5 

5.5 

5.9 

5.9 

5.9

5.9 

5.5 

5.5 

5.5 

5.5

5.9 

5.9 

5.9 

5.9 

5.9

6.7 

5.1 

5.5 

5.5 

5.1 

5.5

177.4

Suspended sediment

Mean 

concentration 

(ppm)

103 

90 

104 

111 

110

89 

53 

40 

47 

83

55 

29 

31 

20 

16

17 

16 

23 

31 

20

20 

25 

22 

20 

33

35 

33 

40 

62 

38 

18

--

Tons 

per 

day

1.4 

1.2 

2.0 

1.9 

2.0

1.5 

.8 

.6 

.6 

1.2

.8 

.4 

.5 

.3 

.3

.3 

.2 

.3 

.5 

.3

.3 

.4 

.4 

.3 

.5

.6 

.5 

.6 

.9 

.5 

.3

22.4

March

8.6 

8.0 

7.2 

6.3 

5.9

6.3 

5.5 

5.5 

5.1 

5.1

5.1 

5.5 

5.9 

5.1 

3.8

3.8 

3.8 

3.5 

2.9 

2.4

2.6 

2.4 

2.6 

2.6 

2.9

2.9 

2.4 

1.2 

.7 

.2 

0

125.8

98 

104 

92 

93 

89

83 

78 

79 

106 

101

133 

128 

118 

155 

203

186 

162 

204 

182 

149

124 

87 

74 

107 

132

152 

122 

78 

69 

99

"

2.3 

2.2 

1.8 

1.6 

1.4

1.4 

1.2 

1.2 

1.5 

1.4

1.8 

1.9 

1.9 

2.1 

2.1

1.9 

1.7 

1.9 

1.4 

1.0

.9 

.6 

.5 

.8 

1.0

1.2 

.8 

.3 

.1 

.1 

0

40.0

s Computed by subdividing day.

a Computed from estimated concentration graph.
146 COLORADO RIVER BASIN

LITTLE COLORADO RIVER BASIN Continued 

LITTLE COLORADO RIVER AT WOODRUFF, ARIZ. Continued 

Suspended sediment, water year October 1954 to September 1955 Continued

Day

1......

2. ..... 

3......

5. .....

6. .....

7. .....

9. .....

10. .....

11......

14......

15......

16. .....

17. .....

20. .....

22......

24. .....

25......

27......

29......

30. .....

31......

Total.

3. ..... 

4. ..... 

5......

8. ..... 

9. ..... 

10. .....

19

24. ..... 

25. .....

26. ..... 

27. ..... 

28. ..... 

29...... 

30. ..... 

31...... 

Total.

April

Mean 

discharge 

(els)

0 

0 

0 

0 

0

0 

0 

0 

0 

0

0 

0 

0 

0 

0

0 

.4 

0 

0 

0

0 

0 

0 

0

.4

1.0 

.5 

.2

.7 

.4

3.6

Suspended sediment

Mean 

concentration 

(ppm)

46

62

110 

100 

53 

72 

72

--

Tons 

per 

day

0 

0 

0 

0 

0

0 

0 

0 

0 

0

0 

0 

0 

0 

0

0 

s .1 

0 

0 

0

0 

0 

0 

0 

s .1

.3 

.1 

(t) 

.1 

.1

0.8

July

0 

0 

0 

0 

0

0 

0 

0 

0 

0

0 

0 

5.4 

19 

5.1

9.5 

82 

536 

100 

85

242 

227 

73 

84 

26 ,

15 

22 

15 

8.6 

33 

39

1,626.6

50 

230 

191

908 

10, 800 

39, 200 

24, 200 

15,400

11,800 

12, 300 

11,200 

6,020 

2,390

1,420 

670 

350 

159 

15,900 

52, 900

-

Total discharge for year (cfsTotal load for year (tons)

0 

0 

0 

0 

0

0 

0 

0 

0 

0

0 

0 

s4.3 

12 

2.6

s58 

s 2, 470 

s 65, 100 

s6,480 

s 6, 090

812,800 

s8, 670 

s2,320 

si, 770 

168

58 

40 

14 

3.7 

s4,010 

5.780

115,850.6

May

Mean 

discharge 

(cfs)

0.3 

0 

0 

0 

.3

.5 

5.2 

5.1 

3.9 

.5

.3 

.3 

.3 

5.1 

5.9

5.9 

5.9 

3.9 

.5 

.9

.6 

.6 

6.3 

2.0

.7

.6 

4.6 

5.1 

.6 

.2 

0

66.1

Suspended sediment

Mean 

concentration 

(ppm)

83

56

65 

167 

239 

155 

86

60 

68 

65 

134 

103

104 

118 

104 

85 

92

75 

104 

146 

114 

113

84 

175 

86 

66 

61

--

Tons 

per 

day

0.1 

0 

0 

0 

(t)

.1 

s2.5 

3.3 

1.6 

.1

(t) 

.1 

.1 

1.8 

1.6

1.7 

1.9 

1.1 

.1 

.2

.1 

.2 

s2.7 

.6 

.2

.1 

2.2 

1.2 

.1 

(t) 

0

23.8

August

33 

180 

209 

944 

214

1,870 

1,800 

2,440 

1,490 

678

980 

955 

1,060 

837 

961

610 

655 

678 

538 

1,610

812 

1,180 

905 

1,380 

1,260

980 

1,300 

1,220 

700 

768 

244

29,491

45, 200 

34, 700 

45, 600 

42, 200 

18, 900

15,900 

40, 600 

55, 800 

43,900 

23, 100

33, 800 

23, 000 

24, 100 

20, 700 

30, 000

17,100 

16,900 

17, 800 

13,800 

44, 400

27, 300 

41,200 

23,350 

44, 200 

34, 100

24, 200 

27, 300 

35,200 

33, 200 

33, 300 

16. 500

4,180 

s 31, 600 

s 27, 200 

8127,000 

s 13, 200

882,600 

8154,000 

8372,000 

8187,000 

42, 300

92, 700 

59, 300 

69,000 

851,600 

897,800

28, 200 

29, 900 

32, 600 

20, 000 

8231,000

59, 900 

136, 000 

57, 100 

171, 000 

120, 000

64, 000 

s 99, 500 

8113,000 

65, 100 

71, 600 

10.900

2,721,280

June

Mean 

discharge 

(cfs)

0 

0 

0 

0 

0

0 

.5 

0 

0 

0

0 

0 

717 

1,740 

92

28 

13 

13 

9.7 

10

5.9 

1.4 

3.2 

1.2 

.3

0 

0 

0 

0 

0

2,635.2

Suspended sediment

Mean 

concentration 

(ppm)

111

12,600 

42, 600 

27,100

12,500 

635 

329 

186 

190

148 

81 

67 

80 

68

-

Tons 

per 

day

0 

0 

0 

0 

0

0 

.1 

0 

0 

0

0 

0 

862,900 

s 202, 000 

s7, 520

si, 050 

22 

12 

4.9 

5.1

2.4

.6 

.3 

.1

0 

0 

0 

0 

0

273,517.8

September

138 

90 

60 

40 

27

20 

16 

13 

11 

9.1

9.1 

6.8 

5.4 

3.0 

3.3

2.7 

3.3 

3.6 

3.3 

1.4

1.2 

1.6 

3.0 

1.8 

1.6

1.8 

2.2 

1.6 

.8 

.6

482.2

7,400 

3,800 

2,200 

860 

628

361 

215 

180 

197 

161

168 

210 

191 

163 

185

162 

184 

188 

184 

124

141 

118 

132 

154 

151

113 

115 

137 

120 

95

lays) ...........................................................

2,760 

923 

356 

93 

46

19 

9.3 

6.3 

5.8 

4.0

4.1 

3.9 

2.8 

1.3 

1.6

1.2 

1.6 

1.8 

1.6 

.5

.5 

.5 

1.1 

.7 

.7

.5 

.7 

.6 

.3 

.2

4,248.6

35,496.3 

3,134,871.2

s Computed by subdividing day 

t Less than 0.05 ton
LITTLE COLORADO RIVER BASIN Continued 

LITTLE COLORADO RIVER AT WOODRUFF, ARIZ. Cont

Particle-size analyses of suspended sediment, water year October 1954 

(Methods of analysis: B, bottom withdrawal tube; D, decantation; P, pipette; S

W, in distilled water; C, chemically dispersed; M, mechanically dispersed; V

Date 

of 

Collection

Oct. 10, 1954 .. . Mar. 20, 1955...

Aug. 27 .........

Time

4:30 p.m. 

8:00 a.m. 

6:00 p.m. 

2:30 p.m. 

8:00 a.m. 

5:30 p.m.

7:00 p.m. 

7:00 p.m. 

9:00 a.m. 

9:00 a.m. 

2:00 D.m.

Discharge 

(cfs)

21 

2.4 

2,140 

1,130 

1,280 

185

5,650 

4,360 

2,780 

2,780 

1.080

Water 

temperature 

(°F)

66 

42 

58 

62 

65 

69

70 

70 

70 

70 

78

Suspended sed

Concentration 

of sample 

(ppm)

19, 400 

130 

24,400 

42,700 

43, 200 

17,500

15,000 

46, 700 

58, 900 

58,900 

21.500

Concentration 

of suspension 

analyzed 

(ppm)

3,840

3,920 

3,980 

3,700 

4,670

4,500 

3,730 

3,490 

4,080 

2,960

Percent fine

0.002

43 

2

0.004

97

47 

65 

54 

76

63 

69 

49 

9 

41

0.008

60 

58

0.016

100

67 

83 

84 

92

87 

80 

69 

67 

64
LITTLE COLORADO RIVER BASIN Continued 

LITTLE COLORADO RIVER AT CAMERON, ARIZ.

LOCATION.--At bridge on U. S. Highway 89 at Cameron, Coconino County, 12 miles upstream from gaging 

Moenkopi Wash.

DRAINAGE AREA. 26,500 square miles, approximately (above gaging station). 

RECORDS AVAILABLE.--Chemical analyses: October 1950 to September 1955.

Water temperatures: October 1951 to September 1955. 

REMARKS. Values reported for dissolved solids are residues on evaporation. Records of specific co

at Albuquerque, N. Mex. Records of discharge for gaging station near Cameron (below Moenkopi Wa

in WSP 1393. Appreciable inflow between sampling site and gaging station during periods of stor

other arroyos may at times become sizeable contributors.

Chemical analyses, in parts per million, water year October 1954 to 

Date of collection

Oct. 1-4, 8-9, 1954..

Mar. 13-14, 1955 .. . Mar. 23, 26-31 .....

Apr. 11, 12 ........

June 14-20 .........

Sept. 1-10 .........

Mean 

discharge 

(cfs)

Silica 

(Si02)

29 

22

13

Iron 

(Fe)

0.10 

.01

Calcium 

(Ca)

13 

66 

41 

27

236 

45 

63 

64 

71

33 

29 

87

91 

51 

39 

40

Magnesium 

(Mg)

4.3 

15 

11 

4.2

63 

10 

19 

11 

24

8.6 

6.1 

23

30 

15 

10 

11

Sodium 

(Na)

160 

22 

182 

198

166 

216 

330 

280 

364

110 

232 

194 

224

189 

199 

180 

172

Potassium 

(K)

2.7 

0

5.0

Bicarbonate 

(HC03)

284 

312 

272 

201

248 

164 

190 

178 

202

178 

266 

219 

392

307 

274 

213

177

Carbonate 

(CO,)

8 

0 

0 

0

0 

0 

0 

0 

0

6 

0 

0 

0

0 

0 

0 

0

Sulfate 

(S04)

80 

286

106

Chloride 

(Cl)

44 

106

398

Fluoride 

(F)

1.0 

1.0

.4

Nitrate 

(N03)

1.2 

.0

3.5
LITTLE COLORADO RIVER BASIN

LITTLE COLORADO RIVER BASIN Continued

LITTLE COLORADO RIVER AT CAMERON, ARIZ.--Continued

Temperature (°F) of water, water year October 1954 to September 1955 

/Once-daily measurement, generally during daylight hours/

149

Day

1

2

3

4

5

6

7

8

9

10

11

12

13

14

15

16

17

18

19

20

21

22

23

24

25

26

27

28

29

30

31

Average

Oct.

62

60

62

65

--

66

64

62

55

67

64

68

64

69

..

--

--

--

_

69

_

Nov. Dec. Jan. Feb. Mar.

55

Apr.

74

..

..

..

55

60

57

58

60

62

51

53

__

..

_.

_.

..

--

..

..

-

._

_

_

_.

_

--

May June

_

_

_

._

"

_

_

_

_

--

_

60

71

60

76

75

72

85

81

85

75

70

67

72

65

..

_

_

_

--

July

_

_

..

..

--

_

._

_

_

--

--

__

85

85

85

73

87

89

71

76

83

80

72

85

85

85

Aug.

88

85

87

83

72

85

72

84

76

85

77

74

68

72

76

80

75

75

84

71

89

85

89

75

82

73

82

83

70

70

82

79

Sept.

80

71

78

72

78

80

79

72

78

82

_

..

__

_

._

--

_

.-

-

..

_

._

_

--
COLORADO RIVER MAIN STEM

COLORADO RIVER NEAR GRAND CANYON, ARIZ

LOCATION.--At gaging station at Kaibab Bridge, a quarter of a mile upstream from Bright Angel Cree

Coconino County, 26 miles downstream from Little Colorado River, and 267 miles upstream from Ho

DRAINAGE AREA. 137,800 square miles, approximately. 

RECORDS AVAILABLE.--Chemical analyses: August 1925 to November 1942, September 1943 to September 

Water temperatures: October 1936 to October 1942, September 1943 to September 1955.

Sediment records: October 1925 to November 1942, September 1943 to September 1955. 

EXTREMES, 1954-55.--Dissolved solids: Maximum, 1,340 ppm Jan. 1-10, Sept. 21-30; minimum, 383 ppm 

Hardness: Maximum, 608 ppm Oct. 1-10; minimum, 223 ppm June 21-30.

Specific conductance: Maximum daily, 2,090 micromhos Jan. 1; minimum daily, 550 micromhos May 2

Water temperatures: Maximum, 82°F July 17-24, Aug. 11-12; minimum, freezing point Dec. 30-31.

Sediment concentrations: Maximum daily, 43,600 ppm Aug. 19; minimum daily, 204 ppm Jan. 27.

Sediment loads: Maximum daily, 1,820,000 tons Oct. 10; minimum daily, 2,000 tons Jan. 5. 

EXTREMES, 1925-42, 1943-55.--Dissolved solids: Maximum, 1,890 ppm Sept. 21-30, 1934; minimum, 225 

Hardness: Maximum, 792 ppm Sept. 1-10, 1940; minimum, 127 ppm June 11-17, 1926.

Specific conductance (1937-42, 1943-55): Maximum daily, 2,900 micromhos Sept. 6, 1940; minimum 

Water temperatures (1936-42, 1943-55): Maximum, 88°F July 17, 1944; minimum, freezing point on 

Sediment concentrations: Maximum daily, 138,000 ppm Sept. 13, 1927; minimum daily, 100 ppm on m

Sediment loads: Maximum daily, 27,600,000 tons Sept. 13, 1927; minimum daily, 497 tons July 22, 

REMARKS. Values reported for dissolved solids are sums of determined constituents. Records of sp

district office at Albuquerque, N. Hex. Records of discharge for water year October 1954 to Se

REVISIONS. WSP 1353, 1954 water year: Suspended sediment load total June 2,294,600 tons; and Aug

Chemical analyses

Date of collection

Oct. 1-10, 1954... . 

Oct. 11-20 ........

Oct. 21-31 ........

Nov. 1-10. ........

Nov. 11-20....... .

Nov. 21-30..... .. .

Dec. 11-20..... .. .

Dec. 21-31. .......

Jan. 1-10, 1955 ... 

Jan. 11-20 ........

Jan. 21-31 ........

Feb. 1-10.........

Mar. 11-20... .....

Mar. 21-31... .....

Mean 

discharge 

(cfs)

9,113 

9,999 

6,743 

6,201 

6,128 

5,799

5,527 

5,131 

3,869 

4,059 

4,791 

3,917

4,712 

4,602 

5,290 

6,620 

13,440 

8.615

Silica 

(Si02)

17 

16 

13 

12 

11 

13

14

14 

15 

18 

17 

18

17 

16 

16 

18 

16 

15

Iron 

(Fe)

1.0 

1. 1 

.01 

.02 

.02 

.01

.01 

.01 

.01 

.00 

.02 

.01

.02 

.02 

.01 

.03 

.01 

.01

Calcium 

(Ca)

181 

161 

143 

123 

129 

133

121 

127 

133 

134 

125 

121

114 

114 

113 

121 

137 

115

Magnesium 

(Mg)

38 

38 

37 

42 

40 

48

48 

50 

54 

63 

58 

55

48 

48 

45 

46 

44 

36

Sodium 

(Na)

165 

142 

149 

162 

170 

189

190 

199 

218 

232 

208 

208

206 

191 

185 

171 

141 

137

Potassium 

(K)

9.7 

8.4 

7.8 

7.1 

7.7 

7.5

7.1 

7.4 

7.6 

8.6 

8.0 

7. 5

7.0 

8.4 

8.1 

7.7 

7.8 

6.4

in parts per million, water year October 195

Bicar - 

bonate 

(HC03 )

273 

270 

241 

233 

240 

253

257 

263 

277 

291 

280 

278

246 

265 

256 

253 

260 

257

Sulfate 

(S04 )

558 

472 

440 

421 

428 

481

440 

456 

482 

501 

458 

429

424 

379 

370 

393 

425 

351

Chloride 

(Cl)

115 

104 

124 

141 

152 

164

170 

192 

209 

232 

202 

210

212 

198 

187 

175 

122 

107

Fluoride 

(F)

0.4 

.4 

.3 

.3 

.3 

.4

.4 

.4 

.4 

.3 

.3 

.3

.3 

.3 

.3 

.4 

.4 

.3

Nitrate 

(N03 )

2.7 

4.0 

8.0 

4.8 

4.9 

7.9

7.0 

7.3 

7.7 

7.6 

6.9 

6.9

8.4 

7.7 

7.4 

8.0 

6.9 

7.0

Boron 

(B)

0. 17 

. 17 

. 16 

. 16 

.19 

.22

.22 

.22 

.22 

.08 

.08 

.09

.21 

.19 

.18 

.31 

.27 

.33
Apr. 1-10, 1955...

Apr. 21-30 .......

May 1-10.... .....

May 11-20.. ......

May 21-31 ........

July 1-10.. .......

July 21-22, 24-31.. 

July 23 ...........

Aug. 1-10 .......

Aug. 11-20 ....... 

Aug. 21-31 .......

Sept. 21-30. ......

Weighted average

7,459 

8,692

15,170

18,100

27,370

6,698

10,510

12,690 

9,507

3,468

10,470

15

17

19

17

19

19

19

13

16

.01

.04

.03

.04

.03 

.02

.01

0.02

107 

103

74

112

143

145

141

99

44

30

24

33

32

27 

27

56

30

156

110

72

53

134

158

220

111

6.8

6.2

8.4

7.9

9 9

9.6

6. 2

243 

250

244

230

193

234

258

239

226

228

374

256

170

339

452

497

572

281

142

84

58

00

118

92

213

93

.3

.5

.4

.5

.6

0.4

5.0

5.7

2 9

4.3

.8

.2

6.9

4.5

.33

. 13

.12

19

.29

.32

.25

0.19
COLORADO RIVER MAIN STEM--Continued 

COLORADO RIVER NEAR GRAND CANYON, ARIZ. Co

Temperature ("F) of water, water year October 1954 to Se

/Continuous -recording thermograph/

Day

1.. .................

2...................

3...................

4...................

5. ..................

6. ..................

7. ..................

8...................

9. ..................

10. ..................

11...................

12...................

13. ..................

14...................

15. ..................

16...................

17...................

18. ..................

19. ..................

20. ..................

21...................

22...................

23...................

24...................

25. ..................

26...................

27...................

28...................

29. ..................

30. ..................

31...................

Average .......

October

max

68 

67 

67 

66 

67

67 

67 

68 

69 

70

69 

68 

67 

66 

65

64 

63 

62 

61 

61

62 

62 

62 

61 

59

58 

57 

55 

55 

54 

54

63

min

67 

66 

66 

66 

66

67 

67 

67 

67 

69

68 

66 

65 

64 

63

62 

61 

61 

61 

61

61 

61 

61 

59 

57

57 

55 

54 

54 

53 

53

62

November

max

54 

53 

53 

53 

53

53 

53 

52 

52 

52

51 

51 

52 

52 

52

52 

52 

52 

51 

50

50 

49 

48 

48 

48

48 

48 

48 

48

47

51

min

53 

53 

53 

53 

52

52 

51 

51 

51 

50

51 

51 

51 

51 

51

51 

51 

50 

49 

49

48 

48 

47 

47 

47

47 

47 

47 

47 

45

50

December

max

46 

46 

45 

45 

45

45 

45 

45 

45 

44

43 

42 

41 

41 

41

41 

41 

40 

39 

38

38 

37 

37 

36 

35

35 

35 

35 

34 

34 

34

40

min

45 

44 

44 

44 

44

44 

44 

44 

43 

43

42 

41 

41 

41 

41

41 

39 

39 

38 

37

37 

37 

36 

35 

35

35 

34 

33 

33 

32 

32

39

January

max

35 

35 

36 

37 

37

37 

37 

37 

39 

39

38 

37 

37 

37 

37

37 

37 

37 

37 

37

37 

37 

36 

35 

35

35 

35 

35 

36 

37 

38

37

min

34 

34 

35 

36 

36

36 

36 

37 

37 

38

38 

36 

37 

36 

36

37 

36 

37 

37 

36

37 

36 

35 

35 

35

35 

35 

35 

35 

36 

37

36

February

max

38 

38 

38 

37 

38

37 

37 

36 

37 

37

37 

38 

38 

38 

38

39 

40 

42 

41 

41

40 

37 

37 

38 

38

38 

39 

40

38

min

37 

37 

38 

37 

36

36 

35 

35 

35 

36

36 

37 

37 

38 

38

38 

39 

40 

39 

39

37 

36 

35 

36 

37

37 

38 

39

37

March

max

42 

43 

44 

47 

48

48 

48 

48 

48 

48

49 

50 

50 

50 

50

49 

48 

47

47 

47

46 

45 

45 

46 

49

50 

50 

50 

51 

51 

50

48

mm

41 

42 

43 

45 

46

47 

47 

47 

47 

48

48 

49 

50 

49 

48

48 

47 

46 

46 

45

44 

44 

44 

45 

46

49 

50 

50 

49 

50 

49

47

April

max

51 

52 

52 

52 

51

50 

51 

52 

54 

55

55 

56 

56 

55 

57

58 

58 

58 

58 

57

56 

56 

57 

57 

58

59 

58 

58 

57 

60

55

mi

5

5

5

5

4

4

5

5

5

5

5

5

5

5

5

5

5

5

5

5

5

5

5

5

5

5

5

5

5

5

5
COLORADO RIVER MAIN STEM

COLORADO RIVER MAIN STEM--Continued

COLORADO RIVER NEAR GRAND CANYON, ARIZ. Continued

Suspended sediment, water year October 1G54 to September 1955

153

Day

1.. ....

2. .....

3. .....

5. .....

6. .....

7. .....

8. .....

10. .....

11.... ..

15......

17. .....

20. .....

22. . ....

23. ... ..

24. .....

25. ... ..

28. .....

30. .....

31. ... ..

Total .

2. ..... 

3. ..... 

4. ..... 

5.. ....

8. .....

10......

13

15. .....

18. ..... 

19. ..... 

20. .....

23. ..... 

24. ..... 

25. . ....

26...... 

27. ..... 

28...... 

29. ..... 

30. ..... 

31. ..... 

Total .

October

Mean 

discharge 

(cfs)

8,670 

8,980 

8,590 

8,290 

7,920

7,330 

7,100 

7,050 

10,100 

17,100

14,800 

11,400 

9,780 

10,600 

10,700

9,610 

9,170 

8,610 

7,840 

7,480

7,230 

7,160 

7,100 

7,020 

6,820

6,700 

6,570 

6,460 

6,320 

6,370 

6,420

265,290

Suspended sediment

Mean 

concentration 

(ppm)

22,500 

21,400 

19,200 

16,500 

13,000

9,000 

8,350 

10,700 

18,700 

37,500

19,300 

23,300 

26,000 

20,000 

13,100

9,150 

10,500 

9,650 

9,900 

11,200

8,100 

7,500 

7,000 

6,100 

6,100

5,100 

3,800 

2,500 

1,930 

1,640 

1,460

--

Tons 

per 

day

527,000 

519,000 

445,000 

369,000 

a 280, 000

178,000 

160,000 

204,000 

5575,000 

si, 820, 000

s798, 000 

717,000 

687,000 

572,000 

378,000

237,000 

260,000 

224, 000 

210,000 

226,000

158,000 

145,000 

134,000 

116,000 

112,000

92,300 

67,400 

43,600 

32,900 

28,200 

25.300

10,340,700

January

3,510 

3,390 

3,530 

3,590 

3,520

3,580 

3,820 

4,670 

5,160 

5,820

6,140 

5,420 

4,860 

4,770 

4,670

4,590 

4,510 

4,470 

4,280 

4,200

4,150 

4,200 

4,190 

4,170 

3,830

3,850 

3,910 

3,710 

3,640 

3,720 

3.720

131,590

218 

230 

300 

275 

210

260 

359 

485 

667 

779

888 

807 

688 

590 

555

685 

650 

470 

420 

408

348 

320 

315 

368 

345

305 

204 

264 

290 

260 

240

2,070 

2,110 

a2,900 

2,670 

2,000

2,510 

3,700 

6,120 

9,290 

12,200

14,700 

11,800 

9,030 

7,600 

7.000

8,490 

7,920 

5,670 

4,850 

4,630

3,900 

3,630 

3,560 

4,140 

3,570

3,170 

2,150 

2,640 

2,850 

2,610 

2,410

161,890

November

Mean 

discharge 

(cfs)

6,420 

6,530 

6,490 

6,190 

6,080

5,970 

5,930 

6,040 

6,110 

6,250

6,190 

6,060 

5,950 

5,890 

5,840

5,770 

5,760 

6,700 

6,870 

6,250

5,950 

5,880 

5,850 

5,860 

5,810

5,740 

5,730 

5,740 

5,720 

5,710

181,280

Suspended sediment

Mean 

concentration 

(ppm)

1,460 

1,570 

1,500 

1,490 

1,400

1,400 

1,350 

1,140 

1,050 

1,330

1,240 

1,090 

830 

780 

770

720 

920 

1,150 

1,540 

1,440

1,360 

1,740 

2,210 

2,060 

2,110

1,580 

1,090 

980 

810 

800

--

Tons 

per 

day

25,300 

27,700 

26,300 

24,900 

a23,000

a23,000 

21,600 

18,600 

17,300 

22,400

20,700 

17,800 

13,300 

12,400 

12,100

11,200 

14,300 

20,800 

28,600 

24,300

21,800 

27,600 

34,900 

32,600 

33,100

24,500 

16,900 

15,200 

12,500 

12,300

637,000

February

3,840 

4,250 

4,720 

4,870 

4,780

4,850 

4,960 

4,990 

4,950 

4,910

4,700 

4,650 

4,520 

4,430 

4,370

4,430 

4,420 

4,680 

4,870 

4,950

5,290 

5,940 

5,780 

5,670 

5,410

4,850 

4,740 

4,640

135,460

240 

260 

345 

420 

420

387 

390 

372 

368 

350

328 

312 

300 

263 

258

270 

305 

245 

370 

580

1,240 

656 

760 

865 

760

610 

520 

500

-

2,490 

2,980 

4,400 

a5, 500 

a5, 400

5,070 

5,220 

5,010 

4,920 

4,640

4,160 

3,920 

3,660 

3,150 

3,040

3,230 

3,640 

3,100 

4,870 

7,750

17,700 

10,500 

11,900 

13,200 

11, 100

7,990 

6,650 

6,260

171,450

December

Mean 

discharge 

(cfs)

5,650 

5,620 

5,620 

5,680 

5,760

5,810 

5,390 

5,120 

5,120 

5,500

5,990 

5,930 

5,470 

5,120 

5,070

4,990 

4,690 

4,600 

4,780 

4,670

4,500 

4,300 

4,110 

3,940 

3,730

3,650 

3,660 

3,770 

3,790 

3,650 

3 P 4BO

149,140

Suspended sediment

Mean 

concentration 

(ppm)

780 

610 

600 

620 

650

1,050 

1,910 

1,190 

910 

790

700 

940 

820 

610 

570

650 

600 

710 

830 

758

640 

542 

490 

455 

400

340 

310 

325 

304 

303 

2fi5

--

Tons 

per 

day

11,900 

9,260 

9,100 

a9,500 

10,100

16,500 

27,800 

16,500 

12,600 

11,700

11,300 

15,100 

12,100 

8,430 

7,800

8,760 

7,600 

8,820 

10,700 

9,560

7,780 

6,290 

5,440 

4,840 

a4,000

3,350 

3,060 

3,310 

3,110 

2,990 

2,480

281.780

March

4,540 

4,520 

5,190 

5,600 

5,890

6,240 

7,150 

7,840 

8,830 

10,400

9,560 

8,530 

10,900 

16,500 

14,700

12,200 

11,200 

18,600 

17,600 

14,600

12,100 

10,400 

9,580 

9,020 

8,620

8,130 

7,600 

7,230 

7,060 

7,200 

7 Rin

295,360

395 

425 

530 

610 

760

1,360 

2,100 

2,600 

3,500 

5,600

5,600 

4,250 

8,150 

12,000 

11,900

9,250 

13,400 

18,400 

17,400 

15,600

13,500 

10,200 

7,750 

6,750 

5,400

4,200 

3,500 

2,900 

2,300 

2,200 

2,400

--

4,840 

5,190 

a7,400 

a9,200 

12,100

22,900 

40,500 

55,000 

83,400 

157,000

145,000 

97,900 

s 298, 000 

535,000 

472,000

305,000 

405,000 

924, 000 

827,000 

615,000

441,000 

286,000 

200,000 

164,000 

126,000

92,200 

71,800 

56,600 

43, 800 

42,800 sn|7on

6,596,330

s Computed by subdividing day.

a Computed from estimated concentration graph.
COLORADO RIVER BASIN 

COLORADO RIVER MAIN STEM--Continued 

COLORADO RIVER NEAR GRAND CANYON, ARIZ.--Continued 

Suspended sediment, water year October 1954 to September 1955--Continued

Day

1. .....

2. .... .

3. .....

4. ... ..

5. .....

6......

7. .....

8. .....

9. .....

10. .....

11. ... ..

13......

14. . ....

15. .....

16. ... ..

17. .....

20. .....

22......

23. .....

24. .....

25......

26......

28. ..... 

29......

31. .....

Total .

3. ..... 

4. ..... 

5......

8. .....

10. .....

15. .....

1 ft

19. ..... 

20. .....

23

25......

26. ..... 

27...... 

28. ..... 

29. ..... 

30. ... .. 

31. ... .. 

Total .

April

Mean 

discharge 

(els)

8,350 

7,890 

7,100 

6,680 

6,540

6,990 

7,440 

7,680 

7,940 

7,980

7,980 

7,800 

7,770 

7,860 

7,700

7,940 

9,370 

10,400 

10,000 

10,100

13,000 

14,900 

16,300 

17,500 

15,900

15,300 

15,400 

15,200 

14,300 

13,900

313,210

Suspended sediment

Mean 

concentration 

(ppm)

2,500 

2,500 

2,000 

1,900 

1,750

1,500 

1,680 

,950 

,750 

,900

,600 

,580 

1,500 

1.750 

1.800

2,000 

3,250 

3,500 

3,700 

3,350

5,900 

7,300 

10,100 

9, 100 

7,530

7,750 

7,450 

6,900 

6,400 

5,620

--

Tons 

per 

day

56,400 

53,300 

a38,000 

a34,000 

30,900

28,300 

33,700 

40,400 

37,500 

40,900

34,500 

33,300 

31,500 

37,100 

37,400

42,900 

82,200 

98,300 

99,900 

91,400

207,000 

294,000 

445,000 

430,000 

323,000

320,000 

310,000 

283,000 

247,000 

211,000

4,051,900

July

19,600 

18,700 

17,600 

16,400 

15,600

14,800 

13,900 

13,300 

12,400 

11,600

10, 800 

10,100 

9,460 

8,750 

8,190

7,710 

7,620 

7,580 

7,370 

7,030

6,870 

6,420 

6,140 

6,000 

5,480

6,480 

6,810 

7,100 

6,400 

7,090 

8,330

311,630

2,500 

1,840 

1,580 

1,400 

1,300

1,230 

1,320 

1,040 

870 

790

660 

625 

560 

520 

452

525 

355 

5,880 

7,950 

4,080

6.230 

7,560 

4,030 

5,250 

4,750

6,800 

13,100 

23,700 

20,500 

13,000 

12,400

--

Total discharge for year (cfsTotal load for year (tons). . . .

132,000 

92,900 

75,100 

362,000 

355,000

49,200 

49,500 

37,300 

29,100 

24,700

19,200 

17,000 

14,300 

12,300 

10,000

10,900 

7,300 

120,000 

158,000 

77,400

116,000 

131,000 

66,800 

85,000 

70,300

8130,000 

s 247, 000 

8473,000 

354,000 

249,000 

279.000

3,254,300

M3y

Mean 

dischsrge 

(cfs)

15,900 

17,500 

16,800 

16,700 

19, 100

19,900 

19,900 

17,500 

18,200 

19,500

20,900 

29.300 

28,600 

28,100 

27,400

27, 100 

27,100 

29,300 

32,400 

31,700

29,300 

27,300 

24,700 

22,200 

23,000

26, 500 

28,300 

29,900 

30,600 

30,200 

29,100

764,000

Suspended sediment

Mean 

concentrstion 

(ppm)

6,480 

6,550 

6,050 

6,100 

7,600

8,200 

7,300 

6,500 

6,030 

6,900

6,250 

10,000 

11,200 

12,500 

12,500

9,600 

8,700 

9,000 

10,600 

7,750

6,500 

6,050 

6,600 

4,480 

5,250

6,250 

6, 800 

6,630 

6,000 

6,400 

5,800

-

Tons 

per 

dsy

278,000 

309,000 

274,000 

275,000 

3390,000

441,000 

392,000 

307,000 

296,000 

363,000

353,000 

3790,000 

865,000 

948,000 

925,000

702,000 

637,000 

712,000 

927,000 

663,000

514,000 

446,000 

440,000 

269,000 

326,000

447,000 

520,000 

535,000 

496,000 

522,000 

456,000

15,818,000

August

8,300 

8,190 

8,410 

8,020 

10.000

11,500 

10,600 

11,400 

13,800 

14,900

15,400 

12,700 

12,000 

12,600 

12,200

11,300 

14,200 

12,500 

12,700 

11,300

9,780 

9,180 

8,730 

9,170 

10,000

12, 100 

10,900 

10,100 

8,780 

8,070 

7.770

336,600

9,600 

20,400 

25,000 

16,200 

23,000

34,000 

27,800 

30,200 

36,200 

40, 100

33,300 

25,000 

29,300 

39,100 

34,300

24,400 

27,200 

28,900 

43,600 

38,200

27,800 

23,500 

22,000 

21.100 

20,800

24,000 

24, 800 

23,200 

16,500 

16,200 

16,300

--

215,000 

451,000 

568,000 

351,000 

sa730,000

31,100,000 

s 800, 000 

81,000,000 

1,400,000 

1,670,000

1,440,000 

857,000 

s 991, 000 

1,380,000 

1,170,000

8741,000 

1.040,000 

s980,000 

1,550,000 

1,210,000

734,000 

s 586, 000 

519,000 

522,000 

8571,000

784,000 

730,000 

633,000 

391,000 

353,000 

342,000

25,809,000

June

Mean 

discharge

(cfs)

26,900 

26,500 

25,800 

25,300 

24,500

23,300 

21,800 

21,400 

20,600 

21,200

22,600 

27,400 

35, 100 

36,700 

34,700

33,900 

31,300 

30,600 

30,200 

29,000

28,000 

27,600 

26,500 

26,300 

26,300

26,000 

25,800 

25,000 

23,200 

20,900

804,400

Suspended sediment

Mesn 

concentrstion 

(ppm)

5,620 

6,300 

4,950 

4,300 

4,000

3,500 

2,900 

3,400 

2,600 

3,000

4,200 

5,680 

13,000 

16, 500 

16.700

17,000 

9,200 

6,750 

5,200 

4,570

3,750 

3,690 

3,550 

3.480 

3,000

2,970 

3,950 

3,250 

2,400 

2,600

Tons 

per 

day

408,000 

451,000 

345,000 

a290,000 

a260,000

220,000 

171,000 

196,000 

145,000 

172,000

256,000 

s 424, 000 

si, 300, 000 

1,630,000 

1,560,000

1,560,000 

777,000 

558,000 

424,000 

358,000

284,000 

275,000 

254,000 

247,000 

213,000

208,000 

275,000 

219,000 

150,000 

147,000

13,777,000

September

8,670 

8,330 

8,120 

7,130 

6,540

6,170 

5,510 

4,960 

4,610 

4,300

4,090 

3,930 

3,760 

3,590 

3,430

3,270 

3,150 

3,090 

3,050 

3,010

2,950 

2,920 

2,970 

2,930 

3,130

3,780 

3,950 

4,060 

3,990 

4,000

133,390

14,500 

16,100 

12,700 

10,000 

10,200

8,600 

7,200 

6,400 

6,750 

6,400

7,900 

7,100 

3,700 

2,740 

1,890

1,530 

1,400 

1,360 

1,100 

850

680 

690 

710 

800 

930

1,040 

1,000 

1,030 

1,030 

1,440

--

339,000 

362,000 

278,000 

193,000 

180,000

143,000 

107,000 

85,700 

84,000 

74,300

87,200 

75,300 

37,600 

26,600 

17,500

13,500 

11,900 

11,300 

39,100 

a6,900

5,420 

35,400 

a5,700 

6,330 

37,900

10,600 

10,700 

11,300 

11,100 

15,600

2,232,950

3,821,350 

83,132,300

s Computed by subdividing day.

3 Computed from estimated concentr3tion grsph.
COLORADO RIVER MAIN STEM Continued 

COLORADO RIVER NEAR GRAND CANYON, ARIZ.--Contin

Particle-size analyses of suspended sediment, water year October 1954 

(Methods of analysis: B, bottom withdrawal tube; D, decantation; P, pipette; S

W, in distilled water; C, chemically dispersed; M, mechanically dispersed; V

Date 

of 

Collection

Oct. 2, 1954.... .

Oct. 13. .........

Jan. 22, 1955 ....

Mar. 10....... ..

Mav 14

June 26 .........

Time

8:45 a.m. 

10:45 a.m. 

9:30 a.m. 

8:00 a.m. 

7:40 a.m. 

9:00 a.m.

9:00 a.m. 

9:00 a.m. 

1:30 p.m. 

8:30 a.m.

8:45 a.m. 

8:45 a.m. 

8:45 a.m. 

11:00 a.m. 

9:00 a.m. 

11:45 a.m. 

8:45 a.m.

8:45 a.m. 

8:30 a.m. 

8:30 a.m. 

8:30 a.m. 

3:00 p.m. 

8:30 a.m. 

12:00 m.

6:15 a.m. 

6:15 a.m. 

8:40 a.m. 

8:00 a.m. 

8:00 a.m.

Discharge 

(cfs)

9,070 

8,590 

20, 100 

9,510 

10,800 

7,560

6,610 

4,700 

4,230 

5,850

6,040 

7,800 

10, 500 

8,290 

15,800 

19, 500 

9,680

9,870 

16, 200 

16,200 

17,400 

20, 200 

28, 000 

30, 000

20,500 

20, 500 

33, 500 

40, 000 

26.000

Water 

temperature 

(°F)

67 

68 

69 

66 

64 

61

50 

38 

37 

37

48 

47 

48 

50 

49 

47 

44

57 

57 

57 

58 

61 

65 

66

72 

72 

69 

66 

71

Suspended sed

Concentration 

of sample 

(ppm)

21,000 

9,850 

36,800 

26,600 

13,900 

12,900

1,020 

829 

326 

696

1,340 

2,590 

6,180 

3,780 

11,600 

20,600 

7,560

3,110 

7,910 

7,910 

6,510 

8,580 

13,600 

6,130

2,790 

2,790 

6,650 

16,700 

3.030

Concentration 

of suspension 

analyzed 

(ppm)

4,100 

5,280 

3,570 

3,980 

3,790 

4,410

2,280 

4,710 

4,300 

1,520

3,190 

5,960 

5,080 

3,680 

3,200 

4,470 

3,220

3,170 

3,850 

3,920 

4,030 

4,880 

3,920 

3,760

2,410 

2,120 

4,040 

5,010 

4.020

Percent fine

0.002

19 

1

12 

2

0.004

70 

69 

44 

64 

62 

75

55 

69 

57 

33

54 

41 

25 

53 

27 

32 

50

36 

23 

4 

24 

17 

19 

15

16 

12 

13 

31 

14

0.008

36 

16

20 

18

0.016

92 

89 

65 

89 

84 

96

80 

89 

84 

66

75 

66 

45 

75 

41 

47 

80

56 

47 

44 

37 

27 

31 

23

26 

26 

21 

45 

24
COLORADO RIVER MAIN STEM

COLORADO RIVER MAIN STEM Continued

COLORADO RIVER NEAR GRAND CANYON, ARIZ. Contin

Particle-size analyses of suspended sediment, water year October 1954 to Sep

(Methods of analysis: B, bottom withdrawal tube; D, decantation; P, pipette; S, 

W, in distilled water; C, chemically dispersed; M, mechanically dispersed; V, 

Date 

of 

Collection

July 10, 1955.....

July 26 ..........

July 27 ..........

July 29 ..........

Aug. 10 .........

Aug. 12 .........

Aug. 12 .:.......

Aug. 15 .........

Sept. 5 ..........

Sept. 27 .........

Sept. 27 .........

Time

7:30 a.m. 

8:15 a.m. 

8:15 a.m. 

7:30 a.m. 

8:00 a. m. 

7:00 a.m.

8:00 a.m. 

8:30 a.m. 

7:30 a. m. 

8:20 a. m. 

8:00 a. m. 

8:00 a. m, 

8:30 a. m

8:30 a.m. 

8:05 a. m, 

8:05 a. m 

8:15 a. m 

8:05 a. m 

8:05 a. m 

8:05 a.m.

Discharge 

(cfs)

11,900 

6,100 

6,100 

7,370 

6,470 

6,630

8,320 

10,100 

14,100 

16,200 

13, 000 

13, 000 

13,000

13,300 

9,560 

12,300 

9,080 

6,560 

3,940 

3,940

Water 

temperature 

(°F)

75 

79 

79 

78 

78 

79

80 

80 

79 

80 

80 

80 

79

79 

78 

77 

78 

78 

68 

68

Suspended sedi

Concentration 

of sample 

(ppm)

849 

2,860 

2,860 

14,200 

22,800 

10,200

26,200 

31,700 

41,100 

29,900 

26,600 

26,600 

36,200

50, 800 

19,700 

25,400 

19,000 

10,100 

965 

965

Concentration 

of suspension 

analyzed 

(ppm)

1,720 

3,200 

3,320 

4,370 

3,640 

3,860

3,240 

4,180 

5,060 

3,460 

4,200 

4,320 

5,020

4,060 

5,050 

3,840 

3,810 

4,150 

1,420 

1,330

Percent finer 

0.002

69 

0

55 

2

49 

4

0.004

25 

82 

2 

66 

69 

72

76 

64 

58 

71 

66 

3 

63

60 

64 

59 

68 

80 

60 

10

0.008

89 

13

77 

8

79 

57

0.016

42 

95 

94 

86 

88 

92

95 

86 

74 

75 

84 

86 

84

77 

85 

77 

85 

95 

91 

93

0
VIRGIN RIVER BASIN

VIRGIN RIVER AT VIRGIN, UTAH

LOCATION. At gaging station, li miles southwest of Virgin, Washington County, and about 2 miles d

DRAINAGE AREA.--934 square miles.

RECORDS AVAILABLE. Chemical analyses: October 1950 to September 1955.

Water temperatures: October 1950 to September 1955. 

EXTREMES, 1954,55.--Dissolved solids: Maximum, 1,090 ppm Oct. 7-10; minimum, 310 ppm Dec. 3-4.

Specific conductance: Maximum daily, 2,770 micromhos Aug. 11; minimum daily, 458 micromhos Dec

Water temperatures: Maximum, 86°F July 31; minimum, 36°F Jan. 22. 

EXTREMES, 1950-55.--Dissolved solids: Maximum, 2,710 ppm Aug. 4, 1954; minimum, 245 ppm May 1-10

Specific conductance: Maximum daily, 2,870 micromhos Aug. 4, 1954; minimum daily, 383 micromho

Water temperatures: Maximum, 88°F July 18, 28-30, 1952; minimum, freezing point on several day

REMARKS. Values reported for dissolved solids are residues on evaporation unless otherwise noted

able in district office at Salt Lake City, Utah. No discharge records available for this stat

Chemical analyses, in parts per million, water year October 1954 

Date of collection

Oct. 1-6, 1954 ....

Dec. 1-2, 5-10... .

Jan. 1-10, 1955 ...

Anr. 21-30 .......

Mean 

discharge 

(cfs)

Silica 

(Si02)

13 

12

12 

,13

11 

12

12

Iron 

(Fe)

Calcium 

(Ca)

92

83

86

81

77

73

76

Magnesium 

(Mg)

28

27

28

30

22

26

22

Sodium 

(Na)

56

51

51

50

46

42

36

Potassium 

(K)

-

--

--

--

--

-

--

Bicarbonate 

(HC05 )

217

231

234

229

206

209

209

Sulfate 

(S04 )

212

161

162

157

141

150

130

Chloride 

(Cl)

60

59

56

63

50

44

39

Fluoride 

(F)

Nitrate 

(NO,)

2.3 

1.7

1.6 

1.7

1.6 

2.1

2.2

Boron 

(B)

0.11 

.09

.08 

.11

.07 

.10

.10
VIRGIN RIVER BASIN Continued

VIRGIN RIVER AT VIRGIN, UTAH--Continued 

Chemical analyses, in parts per million, water year October 1954 to Sep

Date of collection

May 1-10, 1955. ... 

May 11-20... .....

July 11-16, 18-20. .

Aug. 1-3,6-8, 10. .

Aug. 21-23, 26-31.

Sept. 21-30. ......

Mean 

discharge 

(cfs)

Silica 

(Si02)

14 

13

14 

16

16

12 

15

Iron 

(Fe)

Calcium 

(Ca)

77

78

86 

206

102

387

90

Magnesium 

(Mg)

20

27

26 

40

19

17

24

Sodium 

(Na)

35

55

49 

69

48

56

Potassium 

(K)

3.7

4.6

--

--

--

--

Bicarbonate 

(HCOS )

202

201

220 

314

266

302 

222

193 

306

194

Sulfate 

(SO,)

111

175

167 

502

675

1,600 

187

1,620 

873

194

Chloride 

(Cl)

49

62

59 

50

38

53 

52

17 

14

68

Fluoride 

(F)

Nitrate 

(NO,)

2.2 

1.6

2.2 

2.1

1.7

1.1 

2.0

Boron 

(B)

0.09 

.08

.05 

.08

a Sum of determined constituents.
VIRGIN RIVER BASIN 159

VIRGIN RIVER BASIN Continued

VIRGIN RIVER AT VIRGIN, UTAH Continued

Temperature (° F) of water, water year October 1954 to September 1955

Day

1

2

3

4

5

6

7

8

9

10

11

12

13

14

15

16

17

18

19

20

21

22

23

24

25

26

27

28

29

30

31

Average

Oct.

72

70

70

68

68

71

68

60

62

65

64

65

65

63

65

62

64

62

65

_

64

64

54

55

54

56

55

56

56

56

63

Nov.

55

54

55

56

55

56

53

55

56

56

56

57

56

56

54

59

53

53

54

54

53

55

56

54

55

56

50

48

47

58

--

54

Dec.

54

53

48

49

52

52

52

54

45

46

48

45

44

42

43

43

42

45

44

45

45

46

46

45

43

40

38

39

38

48

40

46

Jan.

42

47

45

48

49

45

45

43

40

39

41

41

41

44

43

45

43

39

40

40

38

36

38

41

43

42

43

45

46

47

47

43

Feb.

47

47

45

44

42

45

45

47

48

44

45

48

47

49

54

48

47

38

44

42

43

40

47

47

46

46

46

50

_

__

--

46

Mar.

55

53

54

55

55

50

55

_

_

55

55

57

60

59

52

52

55

55

55

49

50

54

55

56

57

55

57

55

59

54

57

55

Apr.

57

54

55

54

56

56

61

61

65

60

54

59

65

60

55

65

64

59

60

62

60

55

64

65

64

61

60

64

65

65

--

60

May

58

56

65

67

71

69

68

65

64

68

69

70

__

64

62

62

61

67

70

70

70

69

71

70

67

70

71

73

71

68

69

67

June

65

68

68

74

74

75

79

80

81

75

78

76

_

74

72

72

78

80

80

80

83

80

80

80

73

76

78

78

78

79

--

76

July

80

78

78

77

77

79

81

79

79

78

80

82

83

84

85

84

80

80

79

80

80

84

_

75

77

83

82

83

84

83

86

81

Aug.

84

85

83

75

81

83

84

82

80

83

82

74

75

82

84

78

80

82

80

83

85

81

80

73

69

79

77

81

83

83

82

80

Sept.

81

78

77

83

81

78

82

78

78

77

78

78

78

74

77

72

73

72

70

71

72

70

70

68

70

70

70

69

67

68

--

74
VIRGIN RIVER BASIN Continued

WASHINGTON FIELDS CANAL NEAR WASHINGTON, U

LOCATION.--At gaging station, about 1J miles southeast of Washington, Washington County.

RECORDS AVAILABLE. Chemical analyses: October 1950 to September 1955.

REMARKS.--Values reported for dissolved solids are sums of determined constituents. No discharge 

Chemical analyses, in parts per million, water year October 1954 to 

Date of collection

Oct. 5, 9, 19, 1954

Nov. 4, 9, 16 ....

Dec. 1, 8, 13, 20 .

Jan. 5, 11, 17,

24, 1955 ........

Feb. 7, 14, 21 ....

Mar. 1, 8, 14, 28.

Apr. 4, 11, 20....

Apr. 26 ..........

May 2, 11, 16 ....

May 26, 30 .......

June 6, 22, 29 ....

July 5, 12, 16, 20,

25..............

July 21 ...........

July 28, Aug. 4,

12, 30 .........

Aug. 8 ..........

Aug. 17, 24 .....

Sept. 19, 27 .....

Mean 

discharge 

(cfs)

Silica 

(Si02)

20

18

18

17

16

17

18

14

16

21

23

22

31

23

22

21

24

Iron 

(Fe)

Calcium 

(Ca)

246

153

150

143

143

135

154

110

144

175

170

358

752

382

1 Oft iyo

221

213

Magnesium 

(Mg)

52

41

38

35

35

39

38

26

32

54

52

40

73

35

QQ 

3t7

19

59

Sodium 

(Na)

300

250

221

205

199

186

229

197

360

390

289

1 flft 1UO

244

260

105

452

Potassium 

(K)

_

_-

--

__

_.

--

_

__

18

31

__

22

__

..

--

Bicarbonate 

(HCO,)

306

240

260

264

270

276

274

236

230

262

209

240

730

245

ncc

630

272

203

Sulfate 

(S04 )

642

416

375

343

347

319

371

223

334

526

556

942

1,640

970

524

524

689

Chloride 

(Cl)

412

342

295

280

280

252

342

158

289

520

578

412

118

338

370

92

642

Fluoride 

(F)

Nitrate 

(NO,)

3.0

3.7

3.4

2.6

3.0

4.1

3.9

4.6

2.9

3.3

4.2

2.6

2 Q . y

2.7

1.4

.2

4.9

Boron 

(B)

0.65

.57

.49

.45

.42

.41

.50

__

.47

.77

.81

.67

__

_.

--
VIRGIN RIVER BASIN--Continued 

SANTA CLARA RIVER ABOVE WINSOR DAM, NEAR SANTA 

LOCATION. At gaging station, 2 miles upstream from Winsor Dam, 2i miles downstream from Sandy Wa

west of Santa Clara, Washington County.

DRAINAGE AREA . 338 square miles.

RECORDS AVAILABLE.--Chemical analyses: October 1951 to September 1955.

REMARKS. Values reported for dissolved solids are residues on evaporation. Records of discharge 

WSP 1393.

Chemical analyses, in parts per million, water year October 195

Date of- collection

Oct. 6, 11, 18, 1954

Nov. 8, 16, 19.. ..

Dec. 9, 14, 20....

Jan. 5, 12, 17,

25, 1955 ........

Feb. 7, 14, 21, 27

Mar. 8, 14, 28 ...

Apr. 3, 12, 17, 26

May 2, 10, 17, 26,31

June 6, 30... .....

July 5, 13, 25.....

July 20, Aug. 1, 13,

17, 25, 30. ......

Sept. 14, 20, 27. ..

Mean 

discharge 

(cfs)

10.7

14.7

15.7

16.5

19.8

20.3

11.8

16.2

11.0

16.3

50.8

5.3

Silica 

(Si02)

34

34

32

33

32

35

28

33

30

32

38

Iron 

(Fe)

Calcium 

(Ca)

49

66

58

62

59

55

54

47

48

49

62

65

Magnesium 

(Mg)

19

15

15

14

14

13

13

12

13

12

9.7

13

Sodium 

(Na)

21

19

19

19

19

19

18

15

16

17

14

19

Potassium 

(K)

3.2

Bicarbonate 

(HCO,)

218

236

220

230

221

215

209

181

191

181

234

Sulfate 

(SO,)

35

40

32

34

32

30

32

24

27

33

30

35

Chloride 

(Cl)

25

26

25

24

24

23

23

20

22

24

18

21

Fluoride 

(F)

Nitrate 

(NO,)

0.9

.8

.5

.9

.9

1.1

.6

1.0

1.2

1.4

1. 1

1.6

Bo

ron 

(B)

0.0

.0

.04

.0

.0

.1

.0

.0

.0

_

-
VIRGIN RIVER BASIN Continued 

SANTA CLARA RIVER AT ST. GEORGE, UTAH

LOCATION. At gaging station, half a mile upstream from mouth and 2 miles south of St. George, Was

RECORDS AVAILABLE. Chemical analyses: October 1950 to September 1955.

REMARKS. Values reported for dissolved solids are sums of determined constituents. Records of dis

in WSP 1393.

Chemical analyses, in parts per million, water year October 1954 

Date of collection

Oct. 6, 11, 18, 1954 

Nov. 4, 9, 16 ..... 

Dec. 2, 8, 13, 20 . 

Jan. 5, 12, 17, 24,

Feb. 7, 14, 21 .... 

Mar. 1, 8, 15 ....

Apr. 4, 11, 20, 26.. 

May 3, 10, 16, 26,

June 6, 22, 29 .... 

July 5, 12, 20..... 

July 23 ...........

July 25 ...........

Aiitr 9?

Sept. 15, 20, 26. ..

Mean 

discharge 

(cfs)

0.4 

4.1 

11.6

8.0

9.2 

11.1 

3.8 

1.7

1.6 

.9 

.5 

.3 

164

20.0 

41.0 

465 

2.5 

.5

Silica 

(Si02)

38 

36 

31

33

32 

34 

39 

34

38 

44 

39 

28 

17

36 

32 

35 

56 

43

Iron 

(Fe)

Calcium 

(Ca)

383 

248 

157

194

194 

186 

273 

350

343 

319 

348 

150 

144

132 

253 

155 

368 

391

Magnesium 

(Mg)

105 

52 

32

42

43 

37 

72 

84

78 

79 

70 

22 

9. 5

17 

29 

19 

73 

96

Sodium 

(Na)

148 

80 

54

74

70 

65 

118 

130

113 

118 

119 

36 

10

24 

36 

14 

133

144

Potassium 

(K)

9.5

Bicarbonate 

(HC03 )

446 

362 

310

336

326 

326 

277 

424

418 

376 

304 

459 

151

378 

831 

584 

448 

429

Sulfate 

(S0«)

1,170 

630 

325

467

471 

419 

869 

1,010

940 

955 

1,040 

117 

288

126 

108 

19 

960 

1,160

Chloride 

(Cl)

90 

58 

40

49

50 

46 

69 

79

82 

77 

76 

32 

6.0

20 

32 

12 

109 

104

Fluoride 

(F)

Nitrate 

(NO,)

0.4 

.9 

1.4

.8

1. 1 

1.5 

1.2 

.6

.4 

.6 

2.3 

2.2 

1.3

.2 

1.9 

.8 

.6

1.7

Boron 

(B)

0.52 

.29

.17

.25

.22 

.20

.39

.43 

.36 

.39
VIRGIN RIVER BASIN Continued 

VIRGIN RIVER NEAR ST. GEORGE, UTAH

LOCATION. At gaging station, 8 miles southwest of St. George, Washington County. 

RECORDS AVAILABLE. Chemical analyses: October 1950 to August 1955.

REMARKS.--Values reported for dissolved solids are sums of determined constituents. Records of 

given in WSP 1393.

Chemical analyses, in parts per million, October 1954 to 

Date of collection

Oct. 12, 1954....

Nov. 9, 15. ......

Dec. 2,8, 14, 20..

Jan. 6,17,26, 1955

Feb. 21. .........

Mar. 2, 8, 15, 26.

Apr. 6, 11, 20...

May 4, 10, 16 ...

July 26 ..........

Aug. 25 .........

Aug. 30 .........

Discharge 

(cfs)

55.0

142

142

124

39.3

35.3

5,490

49.0

Silica 

(Si02)

15

18

18

20

19

20

26

Iron 

(Fe)

Calcium 

(Ca)

460

237

211

177

271

246

624

547

551

Magnesium 

(Mg)

63

59

48

45

49

79

73

29

44

Sodium 

(Na)

Potassium 

(K)

314

220

231

223

350

300 23

1 20

121

43

329

Bicarbonate 

(HC03 )

252

268

270

258

260

232

179

7 52

530

202

Sulfate 

(S04 )

1,270

841

626

572

504

496

887

784

1,490

Chloride 

(Cl)

445

415

332

315

278

455

425

127

245

35

430

Fluoride 

(F)

Nitrate 

(N03 )

5.8

4.0

3.6

4 5

3.3

4.0

3.5

0

2

5.5

Boron 

(B)

0.8

7

.5

.5

4

.4

.7

.6

-
VIRGIN RIVER BASIN--Continued

VIRGIN RIVER AT LITTLEFIELD, ARIZ .

LOCATION. At gaging station, three-eighths of a mile downstream from Beaverdara Wash and three-eigh

County, and 36 miles upstream from water line of Lake Mead at elevation 1,221 feet above mean se

DRAINAGE AREA.--5,090 square miles, approximately. 

RECORDS AVAILABLE.--Chemical analyses: July 1949 to September 1955.

Water temperatures: October 1947 to September 1955.

Sediment records: October 1947 to September 1955. 

EXTREMES, 1954-55. Dissolved solids: Maximum, 2,780 ppm Aug. 1-10; minimum, 1,160 ppm Feb. 19.

Hardness: Maximum, 1,720 ppm Aug. 1-10; minimum, 684 ppm Feb. 19.

Specific conductance: Maximum daily, 3,660 micromhos Oct. 19; minimum daily, 1,660 micromhos Feb

Water temperatures: Maximum, 89°F July 30; minimum, 41°F Feb. 19.

Sediment concentrations: 150,000 ppm Oct. 9; minimum daily, 390 ppm May 27, 30.

Sediment loads: 1,740,000 tons Aug. 25; minimum daily, 67 tons May 30. 

EXTREMES, 1947-55.--Dissolved solids (1949-50, 1953-55): Maximum, 2,780 ppm Aug. 1-10, 1955; minim

Hardness (1949-50, 1953-55): Maximum, 1,720 ppm Aug. 1-10, 1955; minimum, 588 ppm Apr. 19-30, 195

Specific conductance (1949-55): Maximum daily, 3,960 micromhos July 14, 1954; minimum daily, 734 

Water temperatures: Maximum, 92°F July 7, 1953; minimum, 35°F Jan. 4, 1949, Jan. 4, 1950.

Sediment concentrations: 150,000 ppm Oct. 9, 1954; minimum daily, 150 ppm Oct. 13, 1948.

Sediment loads: 1,740,000 tons Aug. 25, 1955; minimum daily, 30 tons Oct. 3, 1947.

REMARKS. Values reported for dissolved solids are sums of determined constituents. Records of spe

district office at Salt Lake City, Utah. Records of discharge f.r water year October 1954 to Se

Chemical analyses, In parts per million, water year October 1954 to 

Date of collection

Oct. 1-10, 1954 . .. 

Oct. 11-20........

Nov. 1-10. ........

Nov. 11-20. .......

Nov. 21-30... .....

Dec. 11-20... .....

Dec. 21-31........

Jan. 1-10, 1955 ... 

Jan. 11-20........

Jan. 21-31 ........

Feb. 1-10 ........

Feb. 11-18. .......

Feb. 19...........

Feb. 20-28. .......

Mar. 1-10 ........

Mar. 11-20. .......

Mar. 21-31 .......

Mean 

discharge 

(cfs)

183 

116 

123 

134 

168 

166

256 

210 

181 

194 

198 

182

181 

255 

387 

206 

189 

171 

157

Silica 

(Si02)

22 

19 

20 

21 

21 

20

17 

19 

21 

21 

19 

19

19 

20 

13 

18 

21 

20 

20

Iron 

(Fe)

Calcium 

(Ca)

401 

426 

364 

345 

328 

318

306 

284 

294 

263 

265 

266

276 

270 

200 

264 

250 

256 

274

Magnesium 

(Mg)

112 

108 

106 

104 

98 

99

82 

82 

84 

81 

81 

82

82 

82 

45 

80 

78 

79 

85

Sodium 

(Na)

234 

290 

300 

295 

272 

272

229 

246 

252 

249 

243 

243

243 

243 

112 

230 

219 

219 

233

Potassium 

(K)

22 

23 

23 

26 

23 

23

20 

20 

18 

18 

18 

18

18 

18 

9.6 

17 

22 

22 

23

Bicarbonate 

(HCO,)

314 

351 

329 

314 

314 

306

302 

322 

327 

301 

311 

305

317 

318 

210 

318 

300 

298 

305

Sulfate 

(S04 )

1,240 

1,260 

1,130 

1,070 

983 

955

863 

814 

830 

779 

794 

798

793 

794 

540 

758 

744 

764 

836

Chloride 

(Cl)

322 

390 

410 

420 

385 

390

320 

338 

352 

340 

338 

345

338 

338 

140 

310 

312 

305 

332

Fluoride 

(F)

Nitrate 

(NO,)

1.3 

2.3 

3.4 

3.3 

3.3 

3.3

2. 8 

3.4 

2.2 

2.4 

2.1 

2.2

1.9 

2.0 

2.3 

2.1 

3.1 

2.9 

2.7

Boron 

(B)

0.94 

.92 

.99 

.83 

.74 

.77

.63 

.61 

.70 

.70 

.70 

.70

.71 

.71

.66 

.60 

.60 

.70
Apr. 1-10, 1955. ..

May 11-20 ........

May 21-31 ........

June 11-20.... ....

July 1-10 .........

July 11-20 ........

Aug. 21-31. .......

Sept. 21-30 .......

Weighted average

82. 1 

102

79.0

66.8

66.6

78.9

397

1,167

70.7

187

22 

21

24

25

25

26

24

23

30

28

24

23

25

29

27

22

351 

340

342

359

344

356

340

358

564

540

347

388

111 

105

111

115

127

120

118

82

113

91

262 

262

257

259

258

250

248

228

29

26

28

32

32

23

21

on

28

22

313

305

316

311

291

284

272

305

1,100 

1,040

1,120

1,150

1,170

1,180

1,490

1,470

1,130

1,120

372

372

372

370

210

352

314

1.5

1.6

1.8

1.9

1.9

2.1

2.6

2.6

2.7

2.5

.90

1.0

1.0

1.0

.96

.96

.93

.49

. 55

0.69
166 COLORADO RIVER BASIN

VIRGIN RIVER BASIN Continued

VIRGIN RIVER AT LITTLEFIELD, ARIZ.--Continued

Temperature (°F) of water, water year October 1954 to September 1955 

/pnce-daily measurement, generally between 7 a. m. and 10 a. mJ7

Day

1

2

3

4

5

6

7

8

9

10

11

12

13

14

15

16

17

18

19

20

21

22

23

24

25

26

27

28

29

30

31

Average

Oct.

63

63

a78

67

64

64

66

67

64

60

61

62

65

63

61

60

60

a75

63

.62

62

a73

_-

60

58

57

56

57

57

57

57

63

Nov.

56

a65

58

56

57

55

54

54

56

55

57

62

57

57

57

61

57

54

55

53

55

55

56

56

55

55

55

54

53

52

--

56

Dec.

52

54

55

54

50

52

52

50

49

53

50

49

50

49

50

48

46

47

46

46

47

46

47

47

47

48

44

44

46

46

48

49

Jan.

48

50

50

52

48

49

47

45

46

48

49

48

46

46

47

47

a 50

a 53

50

47

47

46

46

a55

47

47

47

47

47

50

51

48

Feb.

52

a 53

46

47

46

47

46

47

48

46

45

46

49

50

53

55

59

58

41

44

46

45

46

46

a51

51

51

52

-_

._

--

49

Mar.

49

52

52

51

52

48

a 53

a63

56

56

55

a62

56

57

a60

50

50

53

 54

51

a51

51

53

a62

56

57

51

56

57

60

58

55

Apr.

56

58

55

56

a 68

56

59

a72

59

a72

58

58

61

a 69

69

a72

62

60

56

55

60

60

59

61

62

58

58

59

66

66

--

61

May

63

59

59

60

61

63

66

60

62

a76

63

70

65

61

61

61

64

64

63

66

64

68

68

66

67

a 80

74

63

63

64

64

65

June

60

63

63

67

67

a 82

69

69

68

a77

68

67

66

67

63

67

66

67

a 80

66

66

67

67

67

67

66

a77

a79

75

a 84

--

69

July

68

68

71

71

66

67

65

66

66

67

68

68

69

73

75

a 86

72

74

72

71

a 88

74

76

75

77

74

75

73

71

a 89

75

73

Aug.

73

--

77

75

72

76

76

a 87

74

75

74

75

71

75

75

73

73

76

78

76

74

75

77

75

74

74

74

72

71

71

71

75

Sept.

71

69

69

69

69

69

69

74

69

67

68

67

a77

a77

a76

a76

65

65

a72

a78

a78

a75

a 77

66

65

a76

62

62

a79

70

--

71

a Reading obtained between 10:00 a. m. and 7:00 p. m.
VIRGIN RIVER BASIN

VIRGIN RIVER BASIN Continued

VIRGIN RIVER AT LITTLEFIELD, ARIZ . Continued

Suspended sediment, water year October 1954 to September 1955

Day

2. .....

3. ......

5. .....

6......

7. .....

9. .....

10. .....

11. ... ..

13......

15......

16......

17. .....

18......

24......

26......

31......

Total .

1. ..... 

2. ..... 

3. ..... 

4...... 

5......

8. .....

10. .....

13. ..... 

14. ..... 

15. .....

16. .....

1 Q

23. ..... 

24. ..... 

25......

26. ..... 

27...... 

28. ..... 

29. ..... 

30. ..... 

31...... 

Total.

October

Mean 

discharge

(cfs)

69 

61 

71 

72 

72

69 

69 

209 

904 

235

180 

135 

106 

102 

102

94 

98 

108 

133 

100

104 

108 

110 

114 

122

142 

114 

116 

127 

135 

163

4,344

Suspended sediment

Mean 

concentration 

(ppm)

680 

702 

670 

770 

610

635 

595 

36,100 

150,000 

65,200

30,000 

10,000 

4,700 

4,050 

3,050

3,500 

2,850 

2,650 

4,500 

2,400

1,700 

1,520 

2,000 

2,250 

4,400

6,300 

3,600 

3,200 

3,600 

3,850 

5,400

-

Tons 

per 

day

127 

116 

128 

150 

119

118 

111 

s 29, 500 

s 483, 000 

s 44, 500

14,600 

3,640 

1,350 

1,120 

840

888 

754 

773 

1,620 

648

477 

443 

a 590 

693 

1,450

2,420 

1,110 

1,000 

1,230 

1,400 

2,380

597,295

January

183 

193 

201 

206 

212

190 

183 

190 

190 

190

212 

198 

190 

183 

180

209 

223 

193 

198 

198

188 

188 

175 

178 

196

175 

180 

183 

183 

178 

183

5,929

3,400 

4,100 

4,150 

4,400 

4,800

4,200 

3,900 

4,250 

3,050 

3,000

4,200 

4,350 

3,050 

3,050 

3,050

3,850 

4,700 

3,700 

3,550 

3,750

3,250 

2,950 

2,800 

3,100 

3,450

3,000 

3,350 

3,300 

3,250 

2,750 

2,850

-

1,680 

2,140 

2,250 

2,420 

2,750

2,150 

1,930 

2,180 

1,560 

1,540

2,400 

2,330 

1,560 

1,510 

1,480

2,170 

2,830 

1,930 

1,900 

2,000

1,650 

1,500 

1,320 

1,490 

1,830

1,420 

1,630 

1,630 

1,610 

1,320 

1,410

57,520

November

Mean 

discharge

(cfs)

144 

142 

140 

147 

127

129 

125 

127 

125 

129

129 

158 

172 

185 

173

166 

178 

183 

173 

161

158 

170 

170 

170 

168

168 

166 

161 

158 

168

4,670

Suspended sediment

Mean 

concentration 

(ppm)

3,200 

3,600 

3,350 

4,300 

3,000

2,750 

2,500 

2,600 

2,200 

2,600

2,600 

3,600 

7,300 

5,900 

4,150

3,950 

4,400 

4,600 

3,950 

3,450

3,500 

3,450 

3,850 

3,650 

3,900

3,650 

3,800 

3,300 

3,550 

3; 550

--

Tons 

per 

day

1,240 

1,380 

1,270 

1,710 

1,030

958 

844 

892 

742 

906

906 

1,540 

s3,420 

2,950 

1,940

1,770 

2,110 

2,270 

1,850 

1,500

1,490 

1,580 

1,810 

1,680 

1,770

1,660 

1,700 

1,430 

1,510 

1,610

47,468

February

183 

193 

198 

185 

170

170 

173 

175 

183 

180

183 

175 

175 

180 

175

178 

203 

774 

387 

237

214 

217 

204 

197 

202

190 

187 

202

6,090

3,400 

3,950 

4,100 

2,900 

2,250

2,700 

2,700 

2,700 

2,900 

3,200

2,950 

3,000 

2,800 

2,850 

2,700

2,400 

2,750 

24,400 

12,500 

4,600

3,300 

3,650 

3,050 

3,200 

3,400

2,600 

3,250 

2,850

--

1,680 

2,060 

2,170 

1,450 

1,030

1,240 

1,260 

1,280 

1,430 

1,560

1,460 

1,420 

1,320 

1,390 

1,280

1,150 

1,510 

s 68, 400 

s 14, 400 

2,940

1,910 

2,140 

1,680 

1,700 

1,850

1,330 

1,640 

1,550

124,230

December

Mean 

discharge

(cfs)

170 

154 

173 

477 

484

264 

228 

201 

193 

220

255 

223 

214 

212 

203

201 

196 

190 

193 

209

209 

201 

196 

196 

188

178 

161 

151 

166 

168 

173

6,647

Suspended sediment

Mean 

concentration 

(ppm)

3,300 

2,950 

4,250 

23,700 

27,000

6,500 

4,600 

4,250 

4,000 

4,800

6,350 

4,550 

4,300 

4,650 

4,450

3,950 

4,400 

4,130 

4,800 

4,350

3,900 

3,950 

3,800 

3,850 

4,200

3,500 

2,600 

2,200 

2,800 

3,150 

4,850

--

Tons 

per 

day

1,510 

1,230 

2,010 

s 60, 800 

s 42, 800

4,630 

2,830 

2,310 

2,080 

2,850

4,370 

2,740 

2,480 

2,660 

2,440

2,140 

2,330 

2,150 

2,500 

2,450

2,200 

2,140 

2,010 

2,040 

2,130

1,680 

1,130 

897 

1,250 

1,430 

2,270

168,487

March

197 

180 

169 

192 

180

195 

216 

202 

176 

183

158 

212 

197 

187 

187

167 

153 

138 

126 

182

195

176 

180 

178 

180

174 

160 

147 

120 

115 

102

5,324

2,850 

2,650 

2,950 

3,250 

3,450

3,800 

4,970 

3,400 

3-, 400 

3,800

4,350 

4,290 

4,300 

3,450 

3,800

3,100 

2,300 

2,150 

1,850 

4,220

3,000 

2,650 

3,150 

2,950 

3,000

1,900 

3,050 

2,550 

2,050 

1,900 

1,600

1,520 

1,290 

1,350 

1,680 

1,680

2,000 

s2,920 

1,850 

1,620 

1,880

1,860 

s2,490 

2,290 

1,740 

1,920

1,400 

950 

801 

629 

s2,210

1,580 

1,260 

1,530 

1,420 

948

893 

1,320 

615 

664 

590 

441

45,341

s Computed by subdividing day.

a Computed from estimated concentration graph.
168 COLORADO RIVER BASIN

VIRGIN RIVER BASIN--Continued

VIRGIN RIVER AT LITTLEFIELD, ARIZ . Continued

Suspended sediment, water year October 1954 to September 1955--Continued

Day

1.. . .

2. ....

3. ... ..

4. .....

5. ... .

6......

7. .. .

8......

9. .....

10......

11. . ....

12......

13. .....

14. ... ..

15. ... ..

16......

17. .....

18......

19. .....

20. .....

21......

22......

23......

24. .....

25......

26......

27......

30. .....

31...... 

Total .

2. ..... 

3. .....

5......

8

-

10......

1 fi

19. .....

22. ..... 

23. ..... 

24. ..... 

25......

26. ..... 

27...... 

28...... 

29. ..... 

30. ..... 

31...... 

Total .

April

Mean 

discharge 

(els)

98 

87 

87 

92 

84

78 

77 

72 

7-3 

73

74 

78 

86 

74 

85

118 

119 

152 

118 

111

115 

115 

142 

118 

105

127 

130 

113

92 

98

2,991

Suspended sediment

Mean 

concentration 

(ppm)

1,800 

1,650 

1,400 

1,600 

1,180

1,350 

1,430 

1,500 

1,030 

850

1,070 

1,450 

1,300 

900 

1,220

2,550 

2,730 

3,280 

2,050 

1,690

1,980 

1,580 

2,340 

1,820 

1,480

2,390 

2,660 

2,000 

1,480 

1,530

--

Tons 

per 

day

476 

388 

329 

397 

268

284 

297 

292 

203 

168

214 

305 

302 

180 

s307

812 

s883 

si, 360 

653 

480

615 

491 

s913 

589 

s428

s845 

s933 

610 

368 

405

14,795

July

66 

67 

67 

68 

68

70 

68 

68 

68 

68

68 

67 

68 

71 

72

72 

70 

81 

7T 

143

86 

321 

118 

282 

1,840

516 

183 

106 

86 

77 

74

5,156

690 

730 

660 

570 

580

570 

640 

610 

570 

540

570 

560 

500 

680 

1,050

3,300 

2,150 

7,060 

5,000 

31,600

12,000 

74,900 

50, 000 

63,500 

118,000

36,400 

22,100 

7,250 

2,500 

1,250 

2,000

--

123 

132 

119 

105 

106

108 

118 

112 

105 

99

105 

101 

92 

130 

204

642 

406 

s2,960 

1,040 

s 18, 100

2,790 

392,600 

16,500 

3107,000 

s627, 000

s 56, 800 

s 11, 300 

2,070 

580 

260 

400

942, 207

May

Mean 

discharge

(cfs)

93 

113

104 

90 

80

90 

113 

135 

153

104

80 

92 

86 

80 

79

80 

74 

74 

73 

72

71 

71 

68 

67 

67

66 

66 

66 

65 

64 

64

2,600

Suspended sediment

Mean 

concentration 

(ppm)

1,650 

1,780 

1,500 

1,190 

1,280

1,400 

2,320 

3,120 

3,000 

1,650

1,350 

1,290 

1,450 

910 

950

920 

820 

840 

670 

630

660 

580 

470 

600 

500

400 

390 

400 

450 

390 

400

--

Tons 

per 

day

414 

543 

421 

289 

276

340 

S730 

si, 170 

si, 270 

463

292 

320 

337 

197 

203

199 

164 

168 

132 

122

127 

111 

86 

109 

90

71 

69 

71 

79 

67 

69

8,999

August

146 

92 

80 

650 

1,540

272 

154 

84 

330 

162

114 

226 

997 

572 

226

237 

1,060 

208 

167 

165

84 

87 

193 

1,940 

6,330

3,280 

223 

278 

154 

139 

125

20,315

31,400 

6,300 

2,500 

55, 500 

131,000

92,000 

47,000 

22, 000 

65,400 

67,500

29, 200 

47,700 

83,300 

50,700 

22, 000

35,300 

74,300 

31,900 

30,100 

28,400

2,500 

1,500 

52, 500 

88, 800 

102,000

74,900 

31,200 

12,500 

4,500 

1,780 

1,050

--

si 5, 800 

1,560 

540 

s 110, 000 

s 619, 000

s 74, 500 

20,300 

4,990 

s 84, 600 

30,600

si 0,200 

s 31, 300 

s 257, 000 

s 83, 200 

13,400

s33,700 

s 239, 000 

s 19, 200 

s 16, 000 

s!6,700

567 

352 

s 34, 300 

3668,000 

sl,740, 000

s 824, 000 

323,300 

9,380 

1,870 

668 

354

4,984,381

June

Mean 

discharge

(cfs)

66 

66 

67 

66 

67

66 

66 

66 

65 

64

65 

67 

77 

66 

66

65 

65 

65 

65 

65

66 

67 

68 

70 

68

68 

68 

66 

66 

66

1,998

Suspended sediment

Mean 

concentration 

(ppm)

470 

480 

510 

590 

640

570 

720 

720 

670 

640

710 

850 

8,260 

860 

860

870 

1,020 

690 

580 

950

690 

660 

640 

560 

580

700 

610 

510 

440 

530

--

Tons 

per 

day

84 

86 

92 

105 

116

102 

128 

128 

118 

111

125 

154 

33,070 

153 

153

153 

179 

121 

102 

167

123 

119 

118 

106 

106

129 

112 

91 

78 

94

6,523

September

92 

87 

84 

84 

76

74 

79 

84 

79 

79

74 

74 

71 

76 

74

74 

76 

74 

71 

68

68 

66 

63 

63 

89

71 

74 

74 

71 

68

2,257

825 

790 

835 

880 

630

525 

525 

685 

660 

875

850 

830 

745 

725

775

675 

685 

465 

480 

570

550 

495 

480 

445 

3,200

510 

575 

525 

400 

520

205 

186 

189 

200 

129

105 

112 

155 

141 

187

170 

166 

143 

149 

155

135 

141 

93 

92 

105

101 

88 

82 

76 

3859

98 

115 

105 

77 

95

4,654

Total discharge for year (cfs-days). 

Total load for year (tons) .........

68,321

7,001,900

s Computed by subdividing day.
VIRGIN RIVER BASIN--Continued 

VIRGIN RIVER AT LITTLEFIELD, ARIZ.--Cont

Particle-size analyses of suspended sediment for water year October 

(Methods of analysis: B, bottom withdrawal tube; D, decantation; P, pipette

W, in distilled water; C, chemically dispersed; M, mechanic

Date 

of 

collection

Oct. 8, 1954 .....

Oct. 31 ..........

Dec. 15.. ........

Dec. 31..... .....

Jan. 22, 1955.....

Feb. 18 .........

Mar. 30 .........

May 31 ..........

July 23 .....

Time

9:00 a.m. 

7:00 a. m. 

9:00 a. m. 

8:00 a.m. 

8:00 a. m. 

6:00 a. m. 

8:00 a. m. 

8:00 a. m.

9:00 a. m. 

8:00 a. m. 

8:00 a.m. 

9:00 a.m. 

6:00 p. m. 

7:30 a. m. 

5:00 p. m. 

10:00 a. m.

9:30 a. m. 

10:00 a.m.

7:00 a. m. 

10:00 a. m. 

2:00 p. m.

7:30 p. m. 

2:00 p. m. 

8:00 a. m. 

6:30 p. m.

Discharge 

(cfs)

482 

2,110 

90 

a 163 

154 

579 

228 

156

170 

170 

173 

a774 

1,000 

199 

187 

107

72 

78

64

67 

65

70 

263 

698 

99

temperature 

(°F)

70 

64 

61 

57 

52 

50 

50 

48

46 

51 

53 

47 

42 

52 

60 

60

69 

66

64

75 

84

81 

84 

74 

76

Suspended s

Concentration 

of sample 

(ppm)

51,900 

128, 000 

2,630 

5,250 

3,260 

25,500 

4,170 

2,390

2,730 

2,630 

2,570 

38,400 

34,600 

2,570 

3,500 

2,240

789 

874

194 

291 

439

4,880 

69,200 

125,000 

45,800

Concentration 

of suspension 

analyzed 

(ppm)

4,110 

4,240 

5,270 

5,210 

4,240 

2,670 

5,140 

2,090

2,540 

2,570 

4,700 

2,140 

3,800 

2,440 

3,160 

1,950

777 

2,100

625 

684 

581

3,700 

3,500 

4,750 

3,500

Percent fi

0.002

4

8 

10 

6

0.004

31 

21 

52 

22 

13 

29 

12 

10

7 

8 

9 

9 

19 

9 

18 

11

10 

15

20

22 

12

80 

51 

30 

64

0.008

14

23 

24

14

0.016

61 

35 

67 

38 

21 

44 

19 

14

11 

12 

14 

13 

26 

15 

23 

14

15 

26

24

26 

15

97 

91 

67 

91

a Daily mean discharge.
VIRGIN RIVER BASIN--Continued 

VIRGIN RIVER AT LITTLEFIELD, ARIZ.--Conti

Particle-size analyses of suspended sediment, water year October 1954 to S

(Methods of analysis: B, bottom withdrawal tube; D, decantation; P, pipette; 

W, in distilled water; C, chemically dispersed; M, mechanica

Date 

of 

collection

July 24, 1955..... 

July 24 ..........

July 31 ..........

Aug. 4 ..........

Aug. 7 ..........

A 11 £7 Q

Aug. 10 .........

Aug. 11 .........

Aug. 13 .........

Aug. 14 .........

Aug. 17 .........

Aug. 24 .........

Aug. 25 .........

Aug. 27 .........

Time

7:30 a.m. 

6:30 p. m. 

8:30 a.m. 

6:30 a. m. 

6:30 a.m. 

7:00 a. m.

5:00 p.m. 

6:30 a. m. 

6:30 a.m. 

7:00 a.m. 

7:00 a.m.

1:00 p. m. 

8:00 a. m. 

7:00 a.m. 

8:30 a.m. 

8:00 a. m.

7:30 a.m. 

7:00 a. m. 

7:00 a.m. 

8:00 a. m. 

8:00 a. m.

9:30 a.m. 

8:00 a.m. 

4:30 p.m. 

6:30 a. m. 

8:00 a.m.

Discharge 

(cfs)

120 

693 

3,150 

720 

209 

71

244 

940 

2,260 

294 

201

652 

183 

87 

68 

995

450 

1,810 

223 

89 

201

1,070 

1,940 

6,130 

3,440 

535

Water 

temperature 

(°F)

75 

80 

73 

74 

75 

75

86 

75 

72 

76 

76

78 

75 

74 

77 

71

75 

75 

76 

78 

76

75 

74 

76 

74 

74

Suspended se

Concentration 

of sample 

(ppm)

22,900 

176,000 

151,000 

36,400 

26,100 

654

40,800 

75,600 

150,000 

103,000 

50, 000

90,900 

70,800 

22, 300 

55,800 

59,600

35,200 

85,800 

37,200 

6,190 

34, 500

137,000 

112,000 

77,400 

91,000 

34,600

Concentration 

of suspension 

analyzed 

(ppm)

4,320 

4,000 

4,860 

2,860 

4,000 

746

3,550 

3,360 

3,500 

3,840 

3,700

3,950 

3,210 

4,020 

3,580 

3,370

4,730 

4,780 

3,300 

3,420 

3,070

3,280 

3,640 

4,150 

5,500 

3,350

Percent fin

0.002

15

0.004

65 

27 

24 

40 

65 

25

49 

29 

26 

52 

61

34

61 

68 

40 

26

43 

21

58 

64 

45

17 

33 

32

27 

52

0.008

30

0.016

91 

54 

48 

70 

89 

37

81 

58 

47 

79 

88

54 

88 

87 

58 

50

71 

44 

85 

83 

85

38 

67 

50 

47 

84
COLORADO RIVER MAIN STEM 

LAKE MEAD NEAR BOULDER CITY, NEV.

Chemical analyses, in parts per million, water year October 1954 t

/The miles given below represent distances measured along the Colorado River downstream f

A resistance thermometer was used in measuring the temperatur

Date of collection

Depth 

(feet)

Elevation 

(feet)

Temperature

CF)

Silica 

(Si02 )

Calcium 

(Ca)

Magnesium

(MB)

Bicarbonate 

(HCO,)

Su

(

AT LINE OF DEMARCATION BETWEEN TURBID AND CLEAR WATE

Mar . 28 ................

0 

0

1,093 

1,093

54.7 

54.7

14 

9.6

96 

92

25 

26

212 

199

31

3

GRAND WASH, MILE 284.7

Mar. 29 ................

5 

50 

64

1,088 

1,043 

1,029

56.8 

52.3

8.9 

15 

12

116 

115 

134

27 

31 

33

185 

187 

234

39

40

42

ICEBERG CANYON, MILE 287.5

Mar . 29 ................

5 

80 

90

1,088 

1,013 

1,003

55.7 

53.0

12 

8.9 

15

109 

97 

120

27 

28 

34

180 

183 

317

35

34

33

SANDY POINT, MILE 293.5

Mar . 29 ................

Mar . 29 ................

50 

148 

150

1,043 

945 

943

53.6 

52.8 

53.1

13 

17 

13

108 

102 

121

28 

29 

34

177 

186 

280

35

38

3

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5 

100 

150 

243

244

1,088 

993 

943 

850 

849

56.6 

52.9 

52.7 

52.5

11 

9.1 

11

12

103 

106 

107 

103 

131

30 

31 

33 

33 

40

173 

180 

188 

179 

360

30

35

37

37

3
172 COLORADO RIVER BASIN

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5

200

300

384

3855

50

100

150

200

250

300

350

379

3805

150

375

300

369

372

200

365

368

910

810

726

725

1,100

1,055

1,005

955

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755

726

725

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53.8

53.8

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53.8

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13

12

11

11

19

16

16

17

11

15

12

11

13

12

13

14

12

16

12

24

14

7.8

90

93

95

96

96

91

92

91

91

92

93

92

93

93

93

97

97

97

106

107

105

104

104

99

111

108

109

112

25

24

25

25

27

26

27

26

28

26

31

27

28

27

32

23

25

26

29

28

24

32

29

28

27

147

164

171

177

184

156

154

153

153

164

168

170

174

178

184

160

161

165

170

173

184

163

173

164

133

262

166

175

184

180

210

30

30

30

30

30

30

29

29

29

29

29

29

29

28

28

31

31

31

33

34

34

32

34

35

35

31

32

35

35

34

33
174 COLORADO RIVER BASIN

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COLORADO RIVER MAIN STEM--Continued

COLORADO RIVER BELOW HOOVER DAM, ARIZ.-NEV

LOCATION. At Hoover Dam, state line between Mohave County, Arizona and Clark County, Nevada, about 

DRAINAGE AREA.--167,800 square miles, approximately.

RECORDS AVAILABLE.--Chemical analyses: October 1939 to September 1955.

Water temperatures: October 1941 to September 1955. 

EXTREMES, 1954-55.--Dissolved solids: Maximum, 836 ppm May 1-10; minimum, 690 ppm Oct. 11-20.

Hardness: Maximum, 391 ppm July 11-20; minimum, 336 ppm Oct. 1-10, 21-31, Nov. 1-10, 11-20.

Specific conductance: Maximum daily, 1,580 micromhos June 20; minimum daily, 1,020 micromhos Oct. 

EXTREMES, 1939-55.--Dissolved solids (1939-44, 1945-55): Maximum, 836 ppm May 1-10, 1955; minimum, 

Hardness (1939-44, 1950-55): Maximum, 426 ppm Jan. 21-31, 1941; minimum, 241 ppm Nov. 21, 24-26, 

Specific conductance: Maximum daily, 1,580 micromhos June 20, 1955; minimum daily, 712 micromhos 

Water temperatures (1941-50): Maximum, 69°F Sept. 27, 1945, and several days in 1947 and 1948; mi

REMARKS.--Values reported for dissolved solids are residues on evaporation. Records of specific con

Salt Lake City, Utah. Records of discharge for water year October 1954 to September 1955 given i

Chemical analyses, in parts per million, water year October 1954 to 

Date of collection

Oct. 1-10, 1954 ..

Jan. 1-10, 1955 ..

Mav 21-31 .......

Mean 

discharge 

(ds)

12,240 

13,260 

12,400 

11,880 

11,740 

10,440

12,370 

11,320 

12,430 

12, 380 

12,630 

10,480

13,120 

12,070 

12,940 

13,060 

14,740 

16,250

14,600 

15,470 

14,420 

14,460 

15,720 

15.070

Silica 

(Si02)

12 

13

14

Iron 

(Fe)

0.05 

.01

.05

Calcium 

(Ca)

94 

88 

94 

95 

94 

95

96 

95 

94 

95 

89 

95

97 

99 

99 

103 

105 

106

106 

98 

107 

107 

108 

106

Magnesium 

(Mg)

24 

29 

24 

24 

24 

25

24 

24 

25 

25 

30 

27

25 

26 

26 

27 

26 

28

29 

35 

28 

28 

27 

29

Sodium 

(Na)

97 

90 

96 

96 

96 

95

95 

96 

95 

97 

96 

97

106 

103 

103 

104 

114 

114

114 

114 

117 

110 

110 

119

Potassium 

(K)

4.5

4.6

4.1

Bicarbonate 

(HC03 )

166

160

167

175

174 

174 

178 

173 

173 

172

Sulfate 

<S04 )

291

299

342

Chloride 

(Cl)

76

84

102

Fluoride 

(F)

0.1

.3

.3

Nitrate 

(NO,)

2.2

1.7

2.5

Boron 

(B)

0.10

.13

.15

P
COLORADO RIVER MAIN STEM Continued

COLORADO RIVER BELOW HOOVER DAM, ARIZ.-NEV.--C

Chemical analyaes, in parts per million, water year October 1954 to Sept

Date of collection

June 1-10, 1955..

July 1-10. .......

Sept. 21-30. .....

Weighted average

Mean 

discharge 

(els)

12,240 

9,010 

13,010 

11,700 

15,590 

14,010

13,300 

12,320 

12,870 

12,650 

9,620 

9,060

12,810

Silica 

(Si02)

15

.-

Iron 

(Fe)

0.00

__

Calcium 

(Ca)

108 

110 

110 

110 

104 

106

108 

109 

110 

108 

110 

109

102

Magnesium 

(Mg)

28 

27 

27 

25 

32 

28

27 

27 

26 

27 

26 

28

27

Sodium 

(Na)

119 

112 

112 

118 

113 

106

106 

109 

114 

110 

110 

110

106

Potassium 

(K)

5.2

Bicarbonate 

(HCO,)

171 

174 

172 

172 

174 

172

174 

172 

174 

166 

172 

172

Sulfate 

(S04 )

343

Chloride 

(Cl)

100

Fluoride 

(F)

0.2

Nitrate 

(NO,)

4.0

Boron 

(B)

0.19
COLORADO RIVER MAIN STEM 

COLORADO RIVER MAIN STEM Continued

COLORADO RIVER BELOW HOOVER DAM, ARIZ.-NEV.--Continued 

Temperature (°F) of water, water year October 1954 to September 1955

177

Day

1

2

3

4

5

6

7

8

9

10

11

12

13

14

15

16

17

18

19

20

21

22

23

24

25

26

27

28

29

30

31

Average

Oct.

57

--

58

57

57

57

57

--

57

57

58

57

57

._

--

57

57

57

58

57

57

58

58

58

58

--

Nov.

58

57

58

58

58

__

--

58

58

58

__

58

58

58

58

58

58

"

._

58

58

59

--

58

58

58

--

Dec.

58

58

59

--

--

58

58

58

58

58

..

--

58

58

58

58

58

58

58

58

58

--

--

..

59

58

58

58

58

Jan.

-.

--

58

58

58

58

58

--

58

58

57

57

57

--

..

56

56

56

56

56

56

56

56

56

56

--

56

Feb.

56

56

56

55

54

..

55

55

56

56

__

--

54

54

54

54

54

--

54

54

54

54

__

--

54

--

--

--

Mar.

54

54

54

54

--

__

54

53

53

53

53

--

53

53

53

53

53

-_

--

53

53

53

53

53

_

-_

53

53

53

53

Apr.

53

--

--

53

53

53

53

53

_-

"

53

53

53

53

53

..

--

53

53

53

53

53

--

-_

52

54

53

53

53

--

May

--

53

53

53

53

53

--

--

53

53

53

53

53

--

53

53

53

53

53

..

--

53

53

53

53

53

55

June

55

53

53

--

53

54

54

54

54

..

--

54

54

54

54

54

--

--

54

54

54

54

54

--

__

54

54

54

54

--

July

54

--

--

54

55

55

55

--

--

55

55

55

55

55

..

55

56

59

58

56

--

--

56

55

62

61

57

--

Aug.

55

55

55

55

-.

--

55

55

55

55

55

--

--

55

56

56

55

55

"

__

55

55

56

55

55

--

--

56

56

56

Sept.

56

56

--

--

56

56

56

56

--

__

56

56

56

56

56

--

--

57

57

57

57

--

57

57

57

57

57

--
COLORADO RIVER MAIN STEM Continued

COLORADO RIVER NEAR TOPOCK, ARIZ.

LOCATION. Temperature recorder at gaging station, in Mohave Canyon, 2.7 miles downstream from 

Parker Dam, and 49 miles downstream from Davis Dam. 

DRAINAGE AREA. 172,300 square ,miles, approximately. 

RECORDS AVAILABLE. Water temperatures: July 1952 to September 1955.

EXTREMES, 1954-55.--Water temperatures: Maximum, 76"F Aug. 11, 12, 14, 26, 27; minimum, 49°F D

EXTREMES, 1952-55.--Water temperatures: Maximum, 76"F Aug. 11, 12, 14, 26, 27, 1955; minimum, 

12, 19-22, 1955. 

REMARKS. Recorder equipped with thermograph June 17, 1952. Records of discharge for water yea

Temperature (°F) of water, water year October 1954 to Sept

/Continuous-recording thermograph_7

Day

2. ..................

3...................

4...................

5. ............. ....

6...................

7. ...............

8. ..................

9. ..................

10. ..................

11. ..................

12. ..................

13. ..................

14...................

15. ..................

16...................

17. ..................

18. ..................

19...................

20. ..................

21. ..................

22. ..................

23...................

24. ..................

25...................

26. ..................

27. ..................

28. ..................

29...................

30. ..................

31. ..................

Average .......

October

max

67 

67 

69 

69 

68

69 

70 

69 

69 

69

68 

68 

68 

68 

67

69 

70 

69 

69 

68

68 

67 

67 

67 

64

64 

63 

64 

65 

65 

65

67

min

67 

67 

67 

68 

67

68 

69 

69 

69 

67

67 

68 

68 

66 

65

67 

69 

68 

68 

68

67 

67 

67 

63 

63

64 

63 

63 

64 

65 

65

67

November

max

65 

65 

65 

65 

65

65 

65 

64 

64 

64

64 

64 

65 

63 

64

64 

64 

62 

62 

61

61 

61 

61 

61 

62

62 

62 

62 

61 

60

63

min

65 

65 

65 

65 

65

65 

64 

64 

64 

63

63 

63 

63 

63 

63

63 

62 

62 

61 

61

61 

61 

61 

61 

62

62 

62 

61 

60 

59

63

December

max

59 

59 

61 

61 

61

60 

60 

60 

58 

58

58 

57 

57 

57 

57

57 

55 

54 

54 

55

55 

55 

54 

54 

54

54 

53 

49 

51 

51 

52

56

min

59 

59 

60 

60 

60

60 

60 

58 

58 

58

58 

57 

57 

57 

57

55 

54 

54 

54 

54

55 

55 

54 

54 

54

53 

49 

49 

49 

50 

51

56

January

max

53 

53 

53 

53 

53

53 

53 

52 

52 

52

52 

52 

51 

52 

52

52 

52 

51 

51 

52

51 

51

50 

51 

51

51 

51 

50 

50 

51 

51

52

min

52 

53 

53 

53 

53

53 

52 

51 

51 

52

52 

51 

50 

50 

51

52 

51 

51 

51 

51

51

50 

50 

50 

51

51 

50 

50 

50 

51 

51

51

February

max

52 

52 

51 

51 

50

50 

50 

51 

51 

52

50 

51 

52 

52 

52

53 

53 

53 

50 

49

49 

50 

51 

51 

51

52 

52 

53

51

min

51 

51 

50 

50 

49

50 

50 

50 

51 

50

49 

49 

51 

51 

52

52 

52 

50 

49 

49

49 

49 

50 

51 

51

51 

52 

52

50

March

max

53 

53 

53 

54 

54

54 

53 

55 

56 

56

56 

56 

57 

57 

57

54 

55 

55 

56 

56

54 

56 

55 

56 

56

57 

57 

57 

57 

58 

57

55

min

53 

53 

53 

54 

54

51 

51 

53 

55 

56

56 

56 

57 

57 

54

53 

54 

54 

55 

54

53 

54 

54 

55 

56

56 

55 

55 

57 

57 

56

55

April

max

57 

57 

57 

57 

57

57 

57 

59 

59 

59

60 

59 

60 

61 

61

61 

61 

61 

61 

60

60 

60 

61 

62 

62

62 

61 

61 

62 

61

60

min

56 

57 

56 

56 

55

56 

57 

58 

59 

59

59 

59 

59 

60 

61

61 

61 

61 

57 

59

60 

59 

59 

61 

62

61 

59 

60 

61 

61

59
COLORADO RIVER MAIN STEM Continued

COLORADO RIVER BELOW PARKER DAM, ARIZ.-CA

LOCATION. Temperature recorder at gaging station, 3.9 miles downstream from Parker Dam, 10.4 

northeast of Parker, Ariz.

DRAINAGE AREA.- 178,800 square miles, approximately.

RECORDS AVAILABLE. Water temperatures: February 1954 to September 1955.

EXTREMES, 1954-55.--Water temperatures: Maximum, 83°F Aug. 12, 13, 18; minimum, 48°F Jan. 10 

REMARKS. Thermograph installed Feb. 8, 1954. Records of discharge for water year October 1954 

Temperature (°F) of water, water year October 1954 to Sep

/Continuous-recording thermograph/

Day

4. ..................

5. ..................

6...................

7. ..................

8. ..................

9. ..................

10...................

11...................

12...................

13...................

14...................

15...................

16...................

17. ..................

18. ..................

19...................

20. ..................

21...................

22. ..................

23. ..................

24...................

25...................

26. ..................

27. ..................

28. ..................

Z9. ..................

30...................

31...................

Average .......

October

max

75 

75 

74 

74 

74

74 

74 

74 

74 

74

74 

73 

73 

74 

74

73 

73 

73 

73 

72

72 

72 

72 

72 

71

70 

70 

69 

68 

68 

68

72

min

74 

74 

74 

74 

74

74 

74 

74 

74 

73

73 

73 

72 

73 

73

73 

73 

72 

72 

72 

72 

72 

72 

71 

70

70 

69 

68 

68 

68 

67

72

November

max

67 

67 

67 

66 

66

66 

66 

65 

65 

65

65 

64 

64 

64 

63

63 

63 

63 

62 

62 

62 

62 

62 

62 

62

61 

61 

61 

61 

61

64

min

67 

67 

67 

66 

66

66 

65 

65 

65 

65

64 

64 

64 

63 

63

63 

63 

62 

62 

62 

62 

62 

62 

62 

62

61 

61 

61 

61 

60

63

December

max

60 

60 

60 

60 

59

59 

59 

59 

59 

58

58 

57 

57 

57 

57

56 

56 

55 

55 

54

54 

54 

54 

54 

53

53 

52 

51 

51 

50 

50

56

min

60 

60 

60 

59 

59

59 

59 

59 

58 

58

57 

57 

57 

57 

56

56 

55 

55 

55 

54

54 

54 

54 

54 

53

53 

52 

51 

51 

50 

50

56

January

max

50 

50 

50 

50 

50

50 

50 

49 

49 

48

48 

48 

48 

48 

48

48 

48 

48 

48 

48 

48 

48 

48 

48 

48

48 

48 

48 

48 

48 

48

49

min

50 

50 

50 

50 

50

50 

50 

49 

49 

48

48 

48 

48 

48 

48

48 

48 

48 

48 

48 

48 

48 

48 

48 

48

48 

48 

48 

48 

48 

48

49

February

max

48 

48 

48 

48 

48

48 

48 

48 

48 

48

48 

48 

48 

48 

49

49 

49 

49 

49 

49

49 

49 

48 

48 

48

50 

50 

50

48

min

48 

48 

48 

48 

48

48 

48 

48 

48 

48

48 

48 

48 

48 

48

49 

49 

49 

49 

49 

49 

49 

48 

48 

48

49 

49 

50

48

March

max

51 

52 

52 

52 

52

52 

52 

53 

53 

54

54 

54 

55 

55 

55

57 

57 

57 

57 

57

57 

57 

57 

57 

57

58 

58 

58 

58 

58 

59

55

min

49 

51 

52 

52 

52

52 

52 

53 

53 

54

54 

54 

54 

55 

55

56 

57 

57 

57 

57

57 

57 

57 

57 

57

57 

58 

58 

58 

58 

58

55

April

max

59 

59 

59 

59 

59

59 

59 

59 

59 

60

60 

60 

60 

60 

60

60 

61 

61 

61 

62

61 

61 

62 

62 

62

62 

63 

63 

63 

63

61

min

59 

59 

59 

59 

59

59 

58 

59 

59 

59

60 

60 

60 

60 

60

60 

60 

61 

61 

61

61 

61 

61 

62 

62

62 

62 

63 

63 

63

60
GILA RIVER BASIN

GILA RIVER AT KELVIN, ARIZ.

LOCATION.--Just above mouth of Mineral Creek, and 1,200 feet upstream from gaging station at Kelvin, 

and 19i miles upstream from Ashurst-Hayden Dam. 

DRAINAGE AREA. 18,011 square miles, (at gaging station) of which 5,125 square miles is below Coolidg

RECORDS AVAILABLE.--Chemical analyses: December 1950 to September 1955.

Water temperatures: December 1950 to September 1955. 

EXTREMES, 1954-55. Dissolved solids: Maximum, 2,360 ppm July 15; minimum, 409 ppm Sept. 8-20.

Hardness: Maximum, 1,500 ppm July 1-10; minimum, 166 ppm Sept. 8-20.

Specific conductance: Maximum daily, 3,860 micromhos July 15; minimum daily, 601 micromhos July 30

Water temperatures: Maximum, 89°F July 18-19; minimum, 41°F Jan. 25, Feb. 23. 

EXTREMES, 1950-55. Dissolved solids: Maximum, 2,360 p pm. July 15, 1955; minimum, 294 ppm Sept. 24 

Hardness: Maximum, 1,500 ppm July 1-10, 1955; minimum, 166 ppm Sept. 8-20, 1955.

Specific conductance: Maximum daily, 3,860 micromhos July 15, 1955; minimum daily, 407 micromhos J

Water temperatures: Maximum, 98°F July 25, Aug. 20, 1953; minimum, 41°F Dec. 15, 25, 1950, Jan. 25

REMARKS. Values reported for dissolved solids are resi'dues on evaporation. Records of specific cond

at Albuquerque, N. Mex. Records of discharge for water year October 1954 to September 1955 given i

between sampling point and gaging station except during periods of heavy local rains.

Chemical analyses, in parts per million, water year October 1954 to S

Date of collection

Oct. 1-10, 1954 ....

Dec. 11-20. .........

Jan. 1-10, 1955 ....

Feb. 1-10 .........

Feb. 21-28. ........

Mar. 21-31 .......

Mean 

discharge 

(cfs)

231 

198 

160 

144 

190 

190

178 

240 

280 

72.4

91.0 

38.6

59.8 

140 

154 

161 

263 

370

Silica 

(Si02)

25 

31

;;

Iron 

(Fe)

0.07 

.01

.;;

Calcium 

(Ca)

64 

64 

71 

75 

70 

71

69 

51 

63 

120 

151 

121 

159

131 

93 

99 

86 

84 

989

Magnesium 

(Mg)

12 

14 

15 

15 

14 

16

19 

17 

18 

28 

40 

26 

37

44 

25 

20 

26 

25 

26

Sodium 

(Na)

100 

105 

113 

116 

117 

120

132 

136 

134 

167 

224 

140 

208

202 

169 

177 

185 

185 

210

Potassium 

(K)

6.8

8.6

Bicarbonate 

(HCOS)

234

242 

209 

240 

294 

293 

260 

300

294 

272 

266 

267 

279 

283

Carbonate 

(CO,)

0

0 

9 

0 

0 

0 

0 

0

0 

0 

0 

0 

0 

0

Sulfate 

(S0<)

110

287

Chloride 

(Cl)

94

175 

182 

122 

188

196 

194 

210

Fluoride 

(F)

1.0

1.2

Nitrate 

(N03 )

1.3

2.4

B

ro

(B

0.

.
Apr. 1-10, 1955 ..

May 1-10 .........

June 11-13, 17-20 .

July 11-14, 16, 18. 

July 15 ...........

July 17, 19-23 ....

Sept. 21-30 .......

We ighted average

421

140

21.9

8.58

2.67

.89

2.07 

81.0

16.4

2.40

50.3 

124

722 

1,336

1,806

1,164

1,710

277

396

298

317

23

--

41

--_

--

.00

--

__

.03

--

--

--

103

122

149

179

177

302

258 

65

165

357

421

335 

159

115 

71

70

90

73

74

50

56

80

27

41

48

57

56

82

69 

19

39

95

109

90 

57

31 

16

17

18

16

15

10

11

19

220 8.0

298

288

302

290

181

204 

80

130

143

94 5.7

175 

585

118 

58

69

65

70

97

77

86

109

296 

303

286

253

255

241

277

263 

352

209

276

257

278 

238

588 

310

292

256

270

238

191

190

283

000000

0 0000

0 0

0 00000000

158

__

.._

__

--

___

1,330"

.._

___0

307

.._

__

__"__

80

--

..

_. _

--

--

1.1

..

___

..

--

__

.4"

..

__

_.

__

--

--

3.5

..

..

..

.._

.8

--

--_

..

__

._

--"

.2

_

.0
182 COLORADO RIVER BASIN

GILA RIVER BASIN Continued

GILA RIVER AT KELVIN, ARIZ.--Continued

Temperature (°F) of water, water year October 1954 to September 1955 

/Once-daily measurement, generally in the afternoon"/

Day

1

2

3

4

5

6

7

8

9

10

11

12

13

14

15

16

17

18

19

20

21

22

23

24

25

26

27

28

29

30

31

Average

Oct.

80

a71

83

82

82

84

80

85

82

80

77

78

74

78

77

87

79

78

77

77

75

77

71

68

67

67

67

68

69

67

70

76

Nov.

69

67

66

65

66

65

64

67

66

64

69

68

69

66

64

65

62

63

61

59

60

62

63

61

60

61

61

60

59

62

--

64

Dec.

59

60

59

63

56

58

58

56

57

57

58

a 52

58

57

52

57

a 47

52

a48

57

56

55

56

--

--

52

47

48

48

46

47

54

Jan.

50

46

54

52

52

51

50

50

54

55

53

56

55

50

51

54

50

51

47

51

52

--

52

54

a41

61

53

a45

60

58

59

52

Feb.

61

58

52

49

53

52

53

56

57

a47

57

56

a44

59

63

61

56

54

51

52

52

54

a41

56

58

59

59

62

--

55

Mar.

56

--

63

64

56

64

68

a 57

a 58

a 61

66

60

69

66

67

71

61

63

66

55

57

60

62

--

65

60

a48

61

65

67

66

62

Apr.

67

66

63

62

61

63

68

67

68

a 56

66

65

70

70

71

72

69

63

69

70

63

62

71

76

a 59

74

78

a 70

74

80

--

68

May

a 59

71

a 67

a 70

a 60

a 73

81

82

78

85

84

71

a67

81

82

83

77

81

82

86

75

74

a 82

a 79

a 74

a 68

a 84

a 84

a 77

a 68

76

June

..

a 64

66

68

75

83

a85

a 87

a 86

a 80

a82

a 74

a79

71

a 77

a82

a 84

a81

a 79

a 88

a 86

a85

a 67

a 67

a65

a66

a 68

a 66

76

80

--

76

July

86

84

72

a 69

88

a85

81

88

74

77

a 67

88

81

81

87

87

a 80

89

89

 81

87

85

a 79

73

a71

81

81

84

a81

78

82

81

Aug.

85

81

81

80

85

84

81

80

82

"

85

85

79

a 78

86

87

86

84

82

a 73

74

85

82

79

81

84

84

84

86

86

83

82

Sept.

82

84

-_

86

--

87

86

86

85

84

87

88

88

83

84

83

82

80

80

79

79

78

78

78

79

79

80

79

80

81

82

a Measurement made in morning.
GILA RIVER BASIN Continued 

SALT RIVER AT STEWART MOUNTAIN DAM, ARIZ.

LOCATION. Just below dam, 3| miles above gaging station below Stewart Mountain Dam, which is 6 mi

DRAINAGE AREA. 6,211 square miles. 

RECORDS AVAILABLE.--Chemical analyses: December 1950 to September 1955.

Water temperatures: December 1950 to September 1955. 

EXTREMES, 1954-55. Dissolved solids: Maximum, 785 ppm July 21-31; minimum, 539 ppm Jan. 21-26.

Hardness: Maximum, 232 ppm Aug. 21-31; minimum, 156 ppm Feb. 21-28.

Specific conductance: Maximum daily, 1,410 micromhos Sept. 27-28, 30; minimum daily, 992 micromh

Water temperatures: Maximum, 74°F July 29, 31, Aug. 1-2; minimum, 51°F Feb. 5-8. 

EXTREMES, 1950-55. Dissolved solids: Maximum 1,300 ppm Aug. 21-28, 1951; minimum, 361 ppm Mar. 2

Hardness: Maximum, 256 ppm Aug. 21-28, 1951; minimum, 138 ppm Apr. 1-10, 1953.

Specific conductance: Maximum daily, 2,490 micromhos Aug. 20, 1951; minimum daily, 620 micromhos 

Water temperatures: Maximum, 84°F Aug. 24, 26-27, 1951; minimum 49°F Feb. 14, 1951.

REMARKS. Values reported for dissolved solids are residues on evaporation. Records of specific c

office at Albuquerque, N. Mex. Records of discharge for gaging station below Stewart Mountain 

given in WSP 1393. No inflow between sampling point and gaging station except during periods of 

Chemical analyses, in parts per million, water year October 1954 to 

Date of collection

Oct. 1-10, 1954.. .

Jan. 1-10, 1955...

Aor. 21-30 .......

Mean 

discharge 

(cfs)

534 

363 

308 

377 

269 

236

198 

587 

991 

13.3 

1.41 

.37

654 

448 

886 

965

878

1,383 

1,237 

888

Silica 

(Si02)

18 

13 

14

Iron 

(Fe)

0.01 

.00 

.01

Calcium 

(Ca)

46 

49 

48 

48 

48 

45

47 

45 

47 

51 

50 

50

42 

41 

48 

47 

50

54 

49 

49

Magnesium 

(Mg)

12 

13 

14 

14 

14 

14

15 

14 

13 

13 

14 

13

13 

13 

15 

15 

15

15 

16 

16

Sodium 

(Na)

138 

139 

140 

142 

139 

146

138 

140 

137 

138 

141 

139

155 

156 

152 

164 

175

180 

180 

181

Potassium 

(K)

5.0

5.1 

5.5

Bicarbonate 

(HCO,)

158

156 

157 

157 

169 

163 

166

b!58 

157 

168 

170 

171

170 

169 

171

Sulfate 

(S04 )

42

43 

52

Chloride 

(Cl)

216

216 

206 

212

212 

216

280

Fluoride 

(F)

0.3

.3 

.3

Nitrate 

(NO,)

2.2

2.1 

2.4

Boron 

(B)

0.14

.13 

.18

a No flow Jan. 27 to Feb. 16.

b Includes equivalent of 7 parts per million of carbonate (CO,).
GILA RIVER BASIN--Continued 

SALT RIVER AT STEWART MOUNTAIN DAM, ARIZ. Conti

Chemical analyses, in parts per million, water year October 1954 to Septem

Date of collection

May 1-10, 1955 ... 

May 11-20 ........

June 11-20 .......

Weighted average0

Mean 

discharge 

(cfs)

787 

975 

1,031

1,184 

1,139 

1,632 

1,622 

1,650 

497

534 

754 

1,735 

1,827 

1,515 

1,171

853

Silica 

(Si02)

14

-

Iron 

(Fe)

0.05

--

Calcium 

(Ca)

52 

52 

54

52 

53 

53 

54 

51 

53

56 

53 

52 

52 

52 

52

51

Magnesium 

(Mg)

17 

17 

16

18 

17 

18 

17 

22 

22

18 

21 

25 

20 

19 

23

18

Sodium 

(Na)

166 

170 

173

175 

177 

180 

196 

207 

210

208 

202 

202 

201 

202 

214

180

Potassium 

(K)

6.0

-

Bicarbonate 

(HCO,)

171 

173 

173

175 

174 

174 

176 

179 

177

180 

176 

173 

174 

168 

178

172

Sulfate 

(SO,)

54

-

Chloride 

(Cl)

308

-

Fluoride 

(F)

0.3

-

Nitrate 

(NO,)

0.8

-

Boron 

(B)

0.08

-

c Average for 344 days of flow.
GILA RIVER BASIN 

GILA RIVER BASIN--Continued 

SALT RIVER AT STEWART MOUNTAIN DAM, ARIZ.--Continued

Temperature (°F) of water, water year October 1954 to September 1955 

^Once-daily measurement, generally between 6 a.m. and 9

185

Day

1

2

3

4

5

6

7

8

9

10

11

12

13

14

15

16

17

18

19

20

21

22

23

24

25

26

27

28

29

30

31

Average

Oct.

69

68

68

68

68

68

69

69

68

68

68

68

68

68

68

68

68

68

68

68

68

68

68

68

67

67

68

66

66

--

68

Nov.

__

66

66

66

66

66

66

66

65

66

66

66

66

66

66

65

65

65

65

65

65

65

64

65

64

65

63

64

63

63

--

65

Dec.

63

63

63

63

62

62

63

63

63

63

63

63

63

63

60

60

60

60

60

60

60

60

62

60

57

57

56

56

56

56

61

Jan.

56

55

55

55

55

54

54

54

54

54

54

54

56

56

a 56

56

55

55

54

55

54

54

a 52

52

52

53

52

52

52

54

54

54

Feb.

54

52

52

52

51

51

51

51

53

54

54

54

54

55

55

56

53

53

53

53

53

52

54

54

52

53

--

53

Mar.

53

53

53

53

55

52

52

53

53

53

53

53

53

54

53

54

53

54

53

53

53

53

53

53

53

53

53

55

54

53

53

53

Apr.

53

54

54

54

54

54

54

54

54

54

55

54

55

54

54

55

55

55

55

55

55

55

55

55

55

56

56

56

57

57

--

55

May

58

58

58

58

58

58

57

58

56

56

56

56

57

58

58

57

57

58

58

58

57

57

57

57

57

57

57

59

60

60

61

58

June

61

61

60

60

60

60

60

60

60

61

61

62

62

61

61

61

61

61

61

61

61

61

62

61

65

65

65

65

65

65

--

62

July

65

65

66

66

66

66

66

67

65

65

66

66

66

67

68

68

68

69

69

70

70

70

69

68

69

69

70

70

74

73

74

68

Aug.

74

74

73

69

69

69

68

68

68

68

68

.69

68

69

69

69

69

68

69

69

69

69

69

70

70

70

70

70

70

70

70

69

Sept.

70

__

70

70

70

70

70

70

70

70

70

70

71

71

71

72

72

73

73

73

73

73

73

70

70

70

70

70

70

70

71

a Measurement made between 9 a.m. and 11 a.m.
GILA RIVER BASIN--Continued 

OAK CREEK NEAR CORNVILLE, ARIZ.

LOCATION. Temperature recorder at gaging station on county highway bridge, 0.2 mile upstream f

Yavapai County, and 15 miles upstream from mouth. 

DRAINAGE AREA . 357 square miles.

RECORDS AVAILABLE. Water temperatures: June 1954 to September 1955.

EXTREMES, 1954-55. Water temperatures: Maximum, 86°F July 27, Aug. 5; minimum, 37°F Feb. 21.

EXTREMES, June 1954 to September 1955.--Water temperatures: Maximum, 90°F July 28, 1954; minim

REMARKS.--Recorder equipped with thermograph June 28, 1954. Records of discharge for water yea

Temperature (°F) of water, water year October 1954 to Sept

Continuous-recording thermograph

Day

2. ..................

3...................

4. ..................

5. ..................

6. ..................

7...................

8. ..................

9. ..................

10. ..................

12. ..................

13. ..................

14. ..................

16...................

17. ..................

18...................

19. ..................

20. ..................

21...................

22...................

23. ..................

24. ..................

25. ..................

26. ..................

27. ..................

28...................

29. ..................

30. ..................

31...................

October

max

72 

70 

69 

71 

72

74 

75 

76 

74 

73

71 

70 

70 

69 

68

68 

68 

68 

68 

68

67 

67 

65 

63 

60

60 

60 

61 

60 

60 

60

68

min

65 

.67 

66 

64 

66

68 

70 

70 

70 

67

64 

64 

63 

64 

61

61 

61 

62 

62 

62

61 

61 

61 

60 

55

54 

55 

55 

55 

55 

55

62

November

max

60 

59 

60 

59 

58

58 

56 

56 

56 

57

58 

60 

59 

58 

57

56 

54 

53 

54 

54

53 

54 

54 

55 

55

54 

54 

53 

54 

54

56

mln

56 

55 

56 

55 

54

53 

53 

52 

52 

53

55 

57 

56 

55 

54

54 

50 

50 

50 

50

50 

50 

51 

51 

51

51 

51 

50 

48 

51

52

December

max

54 

53 

55 

56 

54

53 

52 

50 

49 

48

48 

48 

47 

47 

47

47 

45 

45 

46 

47

46 

46 

45 

45 

45

46 

43 

42 

41 

41 

40

47

min

52 

52 

52 

54 

50

51 

50 

48 

47 

47

45 

45 

45 

45 

46

45 

42 

42 

44 

44

44 

44 

43 

43 

43

42 

42 

39 

39 

39 

39

45

January

max

41 

43 

45 

45 

45

45 

45 

44 

45 

45

46 

46 

45 

46 

48

47 

46 

46 

46 

45

44 

43 

43 

45 

45

46 

46 

46

47 

47 

48

45

min

40 

41 

43 

45 

44

43 

44 

44 

43 

45

45 

43 

43 

43 

45

46 

43 

43 

44 

42

40 

40 

39 

41 

43

43 

42 

43 

43 

45 

45

43

February

max

48 

47 

44 

43 

44

44 

44 

46 

47 

47

46 

47 

49 

50 

54

54 

54 

53 

45 

43

43 

44 

47 

48 

47

46 

48 

54

47

min

44 

43 

41 

39 

39

40 

39 

41 

43 

43

40 

42 

44 

46 

48

50 

53 

45 

40 

38

37 

38 

41 

41 

46

46 

45 

47

43

March

max

54 

54 

53 

54 

54

53 

54 

55 

54 

55

53 

50 

52 

54 

53

55 

55 

56 

56 

53

51 

53 

56 

59 

63

61 

60 

59 

62 

62 

62

56

min

47 

48 

48 

46 

47

48 

46 

46 

48 

51

49 

46 

46 

49 

50

48 

48 

47 

48 

48

42 

45 

48 

50 

53

56 

52 

54 

54 

56 

53

49

April

max

64 

63 

60 

60 

58

61 

64 

65 

66 

67

66 

67 

67 

68 

68

67 

64 

66 

65 

67

66 

62 

67 

70 

70

69 

70 

71 

68 

70

66

min

54 

56 

52 

52 

54

51 

54 

56 

57 

58

58 

55 

57 

60 

59

59 

61 

59 

56 

58

58 

59 

56 

61 

61

61 

60 

61 

62 

61

58
GILA RIVER BASIN--Continued 

VERDE RIVER BELOW BARTLETT DAM, ARIZ.

LOCATION.--At gaging station 2\ miles downstream from Bartlett Dam, Maricopa County, and 3i miles 

DRAINAGE AREA. 6,188 square miles. 

RECORDS AVAILABLE. Chemical analyses: December 1950 to September 1955.

Water temperatures: December 1950 to September 1955. 

EXTREMES, 1954-55.--Dissolved solids: Maximum, 404 ppm Nov. 21-30; minimum, 281 ppm Sept. 11-20.

Hardness: Maximum, 283 ppm Nov. 21-30; minimum, 179 ppm Sept. 11-20.

Specific conductance: Maximum daily, 676 micromhos Nov. 16; minimum daily, 401 micromhos Sept. 

Water temperatures-. Maximum, 81°F on several days during September; minimum, 46°F on several d

EXTREMES, 1950-55.--Dissolved solids: Maximum, 450 ppm July 11-20, 1951; minimum, 158 ppm Jan. 1

Hardness: Maximum, 285 ppm Mar. 11-20, 1953; minimum, 108 ppm Jan. 11-20, 1952.

Specific conductance: Maximum daily, 725 micromhos June 28, 1951; minimum daily, 234 micromhos 

Water temperatures: Maximum, 90°F July 18, Aug. -14, 1951; minimum, 41 °F Jan. 30, 1952.

REMARKS.--Values reported for dissolved solids are residues on evaporation. Records of specific 

office at Albuquerque, N. Mex. Records of discharge for water year October 1954 to September 1

Chemical analyses, in parts per million, water year October 195

Date of collection

Oct. 1-10, 1954. ..

Dec 1 10

Jan. 1-10, 1955 ..

Mar. 21-31..... ..

Mean 

discharge 

(cfs)

62.9 

60.4 

60.1 

59.4 

60.1 

59.3

60.0 

61.0 

59.5 

63.7 

44.2 

107

43.1 

121 

27.5 

27.8 

468 

1.021

Silica 

(SiOa)

24 

22

Iron 

(Fe)

0.00 

.04

Calcium 

(Ca)

47 

49 

46 

48 

48 

49

45 

46 

45 

48 

48 

44

46 

44 

46 

42 

41 

41

Magnesium 

(Mg)

30 

35 

36 

37 

39 

39

38 

38 

39 

36 

38 

38

38 

36 

36 

36 

37 

36

Sodium 

(Na)

37 

38 

40 

42 

42 

43

45 

43 

42 

40 

42 

41

41 

41 

41 

40 

41 

41

Potassium 

(K)

4.0

_

3.4

--

Bicarbonate 

(HC03 )

268

291 

295 

295 

306 

291 

283

282 

281 

285 

292 

290 

290

Sulfate 

(S04 )

70

72

Chloride 

(Cl)

24

20

Fluoride 

(F)

0.4

.2

Nitrate 

(NO,)

1.0

.1

Boron 

(B)

0.22

.23
GILA RIVER BASIN--Continued

VERDE RIVER BELOW BARTLETT DAM, ARIZ. Cont

Chemical analyses, in parts per million, water year October 1954 to Sep

Date of collection

Apr. 1-10, 1955..

May 1-10 ........

Sept. 21-30 ..... 

Weighted average

Mean 

discharge 

(cfs)

285 

212 

145 

148 

146 

147

267 

294 

1,011 

677 

644 

149

172 

218 

143 

386 

178 

95.5

215

Silica 

(Si02)

21 

29

--

Iron 

(Fe)

0.00 

.01

--

Calcium 

(Ca)

48 

44 

44 

45 

46 

46

46 

44 

44 

46 

42 

42

42 

39 

45 

54 

37 

35

44

Magnesium 

(Mg)

34 

34 

35 

36 

35 

34

35 

36 

36 

34 

34 

35

34 

34 

32 

21 

21 

31

34

Sodium 

(Na)

40 

39 

38 

36 

36 

36

35 

37 

39 

34 

40 

41

43 

43 

41 

39 

26 

35

39

Potassium 

(K)

3.2

4.1

--

Bicarbonate 

(HC03)

294 

292 

286 

289 

284 

286

283 

287 

284 

268 

260 

262

259 

248 

268 

242 

194 

210

275

Sulfate 

(S04 )

67 

68

Chloride 

(Cl)

26 

25

Fluoride 

(F)

0.3

.4

--

Nitrate 

(NO,)

0.4

.7

Boron 

(B)

0.27 

.26
GILA RIVER BASIN

GILA RIVER BASIN--Continued

VERDE RIVER BELOW BARTLETT DAM, ARIZ.--Continued

Temperature (°F) of water, water year October 1954 to September 1955 

"Once-daily measurement, generally between 7 a. m. and 9 a. m, /

189

Day

1

3

4

5

6

7

8

9

10

11

12

13

14

15

16

17

18

19

20

21

22

23

24

25

26

27

28

29

30

31

Average

Oct.

75

75

75

74

74

73

72

72

71

71

71

71

70

70

70

70

69

69

68

68

67

67

66

66

65

65

64

63

63

62

62

69

Nov.

62

62

61

61

60

60

60

60

60

60

60

60

60

60

59

59

58

58

58

58

58

58

58

57

57

57

57

56

56

56

59

Dec.

56

56

55

55

55

55

55

55

55

55

54

54

54

53

53

54

52

52

52

52

52

52

51

51

50

50

49

49

. 1

48

47

53

Jan.

47

47

46

48

47

47

47

46

46

46

46

46

46

47

46

__

50

48

48

49

49

48

48

49

49

49

49

48

48

48

49

48

Feb.

49

49

48

48

49

48

48

47

47

47

48

49

49

49

48

49

50

50

50

49

50

49

49

48

49

50

50

50

--

49

Mar.

51

51

51

51

52

52

52

52

52

53

53

53

54

54

54

53

54

54

54

54

55

55

55

55

54

55

55

54

55

55

55

53

Apr.

55

55

54

53

53

__

54

55

55

55

56

56

56

56

56

56

55

55

55

55

57

56

56

57

57

57

57

56

57

57

--

56

May

57

57

57

57

58

59

59

58

58

58

58

59

59

59

59

59

59

59

59

60

60

60

60

60

60

60

60

61

61

62

62

59

June

62

63

63

62

62

62

62

63

63

64

64

64

64

64

64

64

64

64

65

65

66

66

67

67

67

68

69

68

69

70

--

65

July

70

70

70

70

70

71

72

72

73

73

74

74

75

76

76

75

76

77

77

77

77

77

77

78

78

78

80

78

77

77

78

75

Aug.

77

77

77

78

78

78

79

79

79

80

80

80

80

80

80

80

80

80

80

80

80

78

78

76

78

80

80

80

80

80

79

79

Sept.

79

80

78

79

79

80

79

81

81

81

81

81

81

81

81

81

81

81

80

80

79

78

78

77

76

76

75

76

76

--

77
GILA RIVER BASIN--Continued

AGUA FRIA RIVER BELOW LAKE PLEASANT DAM, A

LOCATION.--At water stage recorder on canal \\ miles downstream from Lake Pleasant Dam on Agua Fr

and 23 miles upstream from New River.

DRAINAGE AREA.--1,459 square miles above Lake Pleasant Dam. 

RECORDS AVAILABLE. Chemical analyses: December 1950 to September 1955.

Water temperatures: December 1950 to September 1955.

EXTREMES, 1954-55.--Dissolved solids: Maximum, 321 ppm June 11-20; minimum, 214 ppm Sept. 21-30. 

Hardness: Maximum, 206 ppm June 11-20; minimum, 138 ppm Sept. 21-30.

Specific conductance: Maximum daily, 579 micromhos June 15; minimum daily, 350 micromhos Sept. 

Water temperatures: Maximum, 85°F Aug. 12, 15-16.

EXTREMES, 1950-55. Dissolved solids: Maximum, 321 ppm June 11-20, 1955; minimum, 168 ppm Jan. 2

Hardness: Maximum, 206 ppm June 11-20, 1955; minimum, 108 ppm June 21-30, 1952.

Specific conductance: Maximum daily, 600 micromhos Sept. 26, 1954; minimum daily, 241 micromhos 

Water temperatures: Maximum, 85°J? Aug. 12, 15-16, 1955.

REMARKS.--Values reported for dissolved solids are residues on evaporation. Samples collected from 

conductance of daily samples available in district office at Albuquerque, N. Mex. Records of d

furnished by Maricopa County Water District through Surface Water Branch, Tucson District. Mon

dam are published as Agua Fria River at Lake Pleasant Dam in WSP 1393.

Chemical analyses, in parts per million, water year October 1954 

Date of collection

Oct. 1-2, 1954 . 

June 11-20, 1955.

July 11-20 ....... 

July 21-25,

Aug. 1-3, 6, 9-10

Sept. 11-20 ..... 

Sept. 21-30 .....

Weighted average

Mean 

discharge 

(cfs)

a8.5 

72.3 

101 

110 

108

a 58. 9

a 24. 5 

19.9 

52.2 

68.4 

71.2 

83.0

b70.4

Silica 

(Si02)

38 

14

..

Iron 

(Fe)

0.02 

.00

-.

Calcium 

(Ca)

42 

48 

40 

40 

35

34

33 

32 

33 

37 

35 

32

37

Magnesium 

(Mg)

17 

21 

20 

20 

20

18

15 

15 

15 

14 

14 

14

18

Sodium 

(Na)

33 

38 

33 

31 

32

30

25 

25 

24 

22 

22 

22

29

Potassium 

(K)

5.5 

5.8

--

Bicarbonate 

(HCO,)

212 

246 

213 

210 

201

210

191 

178 

180 

180 

174 

158

197

Sulfate 

(SO,)

40 

42

Chloride 

(Cl)

25 

28

Fluoride 

(F)

0.2 

.4

Nitrate 

(N03 )

1.3 

3.3

Boron 

(B)

0.47 

.12

a No flow Oct. StoJune 10, July 26-27, Aug. 4-5, 7-6 

b Average for 108 days of flow.
GILA RIVER BASIN

GILA RIVER BASIN Continued

AGUA FRIA RIVER BELOW LAKE PLEASANT DAM, AR1Z.--Continued

Temperature (°F) of water, water year October 1954 to September 1955 

/Once-dally measurement, generally at 7:30 a. m. No flow on many days/

191

Day

1

2

3

4

5

6

7

8

9

10

11

12

13

14

15

16

17

18

19

20

21

22

23

24

25

26

27

28

29

30

31

Average

Oct.

71

71

--

..

--

_-

--

--

--

--

Nov. Dec. Jan. Feb. Mar. Apr. May June

_

--

__

--

__

--

75

68

68

68

70

70

71

71

71

71

71

72

73

72

71

71

71

72

71

71

--

July

71

72

72

72

72

72

73

73

72

73

73

75

76

76

76

75

76

76

77

77

77

79

78

77

--

..

--

81

81

81

81

76

Aug.

81

82

82

"

..

-.

_

83

84

85

83

84

85

85

84

83

84

83

83

82

82

81

81

81

81

81

80

80

81

82

Sept.

80

79

78

79

79

78

78

79

78

78

79

79

79

79

79

79

79

78

77

77

75

74

75

75

75

75

75

74

73

73

77
GILA RIVER BASIN--Continued

GILA RIVER BELOW GILLESPIE DAM, ARIZ.

LOCATION.--About 1 mile below gaging station on Gila Bend Canal which is 200 feet below Gillespie 

Hassayampa River. Gila Bend Canal diverts from left bank and Enterprise Canal diverts from righ

DRAINAGE AREA. 49,620 square miles. 

RECORDS AVAILABLE.--Chemical analyses: December 1950 to September 1955.

Water temperatures: December 1950 to September 1955.

EXTREMES, 1954-55. Dissolved solids: Maximum, 6,510 ppm Sept. 21-30; minimum, 227 ppm Aug. 2. 

Hardness: Maximum, 1,770 ppm Sept. 21-30; minimum, 95 ppm Aug. 2.

Specific conductance: Maximum, 9,670 micromhos Dec. 1; minimum, 370 micromhos Aug. 2. 

Water temperatures: Maximum, 90°F Aug. 22, 25; minimum, 40°F Dec. 27.

EXTREMES, 1950-55.--Dissolved solids: Maximum, 6,510 ppm Sept. 21-30, 1955; minimum, 227 ppm Aug. 

Hardness: Maximum, 1,940 ppm Oct. 11-20, 1951; minimum, 95 ppm Aug. 2, 1955.

Specific conductance: Maximum, 10,200 micromhos Oct. 3, 1951; minimum, 370 micromhos Aug. 2, 19

Water temperatures: Maximum, 95°F July 19, 1951; minimum, 35°F Jan. 1, 1951.

REMARKS. Values reported for dissolved solids are sums of determined constituents. Samples from c

passing Gillespie Dam, including spill and amounts diverted into Gila Bend and Enterprise Canals

available in district office at Albuquerque, N. Hex. Records of separate and combined discharge 

1954 to September 1955 given in WSP 1393.

Chemical analyses, in parts per million, water year October 1954 

Date of collection

Oct. 1-10, 1954 .. 

Oct. 11-20.......

Nov. 1-10 .......

Nov. 21-30 ......

Dec. 21-31 ......

Jan. 1-10, 1955 ..

Feb. 21-28 ......

Mar. 1-10 .......

Mar. 21-31 ......

Mean 

discharge 

(cfs) a

28.0 

24.2 

24.9 

24.0 

23. 8 

25.6

25.3 

26.6 

28.0 

32.7 

46.2 

43.0

36.2

35.7 

34.9 

35.8 

38.5 

34.5

Silica 

(Si02)

35 

32 

34 

31 

34 

33

31 

36 

32 

30 

34 

36

32 

32 

33 

30 

31 

30

Iron 

(Fe)

0.00 

.01 

.01 

.01 

.02 

.00

.03 

.00 

.01 

.01 

.02 

.01

.01 

.01 

.01 

.01 

.01 

.01

Calcium 

(Ca)

389 

385 

381 

381 

385 

373

393 

389 

389 

373 

335 

369

353 

353 

365 

373 

353 

365

Magnesium 

(Mg)

164 

159 

154 

164 

164 

169

1.59 

164 

164 

157 

158 

176

176 

164 

165 

164 

143 

157

Sodium 

(Na)

1,470 

1,480 

1,500 

1,550 

1,550 

1,540

1,530 

1,520 

1,490 

1,440 

1,340 

1,430

1,480 

1,460 

1,460 

1,450 

1,350 

1.420

Potassium 

(K)

13 

12 

12 

12 

12 

12

12 

12 

12 

11 

12 

12

12 

12 

12 

11 

11 

12

Bicarbonate 

(HCO,)

373 

349 

345 

369 

369 

369

384 

388 

405 

397 

350 

383

382 

380 

382 

363 

348 

340

Sulfate 

(S04 )

1,270 

1,280 

1,300 

1,340 

1,350 

1,340

1,340 

1,330 

1,310 

1,250 

1,180 

1,300

1,300 

1,310 

1,310 

1,290 

1,190 

1.250

Chloride 

(Cl)

2,260 

2,290 

2,290 

2,320 

2,350 

2,320

2,330 

2,310 

2,290 

2,210 

2,050 

2,200

2,230 

2,180 

2,170 

2,250 

2,050 

2.190

Fluoride 

(F)

2.6 

2.8 

2.8 

2.9 

2.6 

2.7

2.7 

2.6 

2.8 

2.8 

2.4 

2.3

2.8 

2.8 

2.6 

2.6 

2.8 

2.6

Nitrate 

(NO,)

41 

42 

44 

44 

43 

41

45 

50 

49 

44 

40 

46

45 

42 

40 

39 

41 

42

Boron 

(B)

3.2 

3.3 

3.3 

3.5 

3.5 

3.5

3.5 

3.6 

3.5 

3.5 

4.0 

4.4

4.4 

4.3 

4.6 

3.2 

3.0

liar, tl-ai ...... 31.0 JO .01 JOD 1D7 1,42U 12 34U 1,2&U 2, 1»U 2.8 42 2. »

a Combined discharge in cfs of Gila River below Gillespie Dam and of Gila Bend and Enterprise Canals at Gillespie Dam, Ariz
Apr. 1-10, 1955..

May 21-31 .......

June 11-15, 17-20

July 11-18 ......

July 19-21, 24-31..

Aug. 1, 18-23.... 

Aug. 2 ..........

Aug. 3-9 ........

Aug. 24-29 ......

Sept. 11-20 ..... 

Sept. 21-30 .....

Weighted average

27.6 

29.4

26.8

18.5

14.9

16.3

685

491

1,450

2,289

60.0

59.3 

51.6

169

28 

33

37

26

23

30

26

23

27

15

28

25

41

40 

34

27 I

.01 

.02

.00

.22

.15

.01 

.01

0.01

353 

357

349

353

345

52

98

62

397 

457

124

159 

157

157

150

147

10

19

178

185 

154

38

1,400 

1,360

1,400

1,400

1,300

77

116

573

1,600 

1,650

329

11 

12

12

12

12

11

12

6.7

6.7

13 

13

7.9

334 

340

314

357

336

319

336 

270

215

251

230

291

382 

378

242

1,220 

1,200

1,230

1,220

1,230

1,260

1,160

71

181

76

1,420 

1,490

333

2,190 

2,140

2,190

2,140

2,140

2,180

1,970 

880

2,070

64

127

41

2,430 

2,490

464

2.6 

2.6

2.6

2.6

2.8

2. 8

.8

.7

.7

1 3

1 3

2.4 

2.3

1.1

34 

41

36

38

31

27

3.8

4.6

36 

36

14

2.8 

3.1

3.0

2.8

3.0

3.3

3.1

2.6

.47

.84 

.70

.66

1 0

2 9

3.4 

3.3

1.3

a Combined discharge in cfs of Gila River below Gillespie Dam and of Gila Bend and Enterprise Canals at Gillespie Dam, Ariz.
194 COLORADO RIVER BASIN 

GILA RIVKR BASIN Continued 

GILA RIVER BELOW GILLESPIE DAM, ARIZ.--Continued

Temperature (°F) of water, water year October 1954 to September 1955 

/Once-daily measurement, generally between 6 a. m. and 1 p. mj

Day

1

2

3

4

5

6

7

9

10

11

12

13

14

15

16

17

18

19

20

21

22

23

24

25

26

27

28

29

on oU

31

Average

Oct.

71

72

69

68

70

69

79

74

78

69

67

73

73

66

65

72

75

73

68

66

64

61

62

63

54

57

55

61

61

60

59

67

Nov.

66

63

57

56

62

60

61

52

54

60

56

55

57

57

58

55

54

58

57

60

55

57

58

56

58

57

57

58

54

55

57

Dec.

55

59

54

64

59

57

58

57

57

57

56

49

55

51

53

56

49

48

54

50

56

51

55

49

49

49

40

41

52

46

47

53

Jan.

50

54

54

56

59

49

52

54

55

50

56

53

52

57

57

54

56

53

50

53

49

48

48

50

56

53

50

50

52

53

53

Feb.

52

55

46

45

49

49

49

48

53

50

52

50

51

52

54

61

50

46

49

46

48

50

49

49

60

57

55

60

--

51

Mar.

57

59

57

55

58

59

62

60

62

63

68

62

58

63

61

69

61

59

58

57

56

57

62

60

60

65

59

59

61

70

60

60

Apr.

68

63

61

62

61

65

70

67

65

55

60

59

62

63

75

63

62

65

59

60

62

64

59

64

62

64

62

60

63

71

63

May

63

60

60

60

65

65

68

68

63

65

67

70

70

69

70

64

70

66

70

73

72

67

70

68

64

70

68

69

70

73

62

67

June

62

62

65

65

67

72

72

76

72

76

73

73

75

66

69

71

65

70

71

70

73

78

75

76

72

69

73

75

74

74

71

July

76

75

77

75

76

75

85

78

79

82

78

84

79

78

78

78

72

74

72

70

74

76

78

78

79

79

80

83

82

83

82

78

Aug.

84

83

84

85

83

85

84

86

85

84

a 87

88

86

84

85

87

86

79

80

78

77

90

83

81

a 90

85

87

86

80

81

82

84

Sept.

83

82

80

81

79

66

84

85

75

74

73

76

75

84

76

80

78

77

72

67

65

68

77

68

70

70

70

71

69

69

75

a Measurement made In evening.
COLORADO RIVER MAIN STEM 

COLORADO RIVER AT YUMA, ARIZ.

LOCATION. At gaging station, 500 feet upstream from lower highway bridge, 1,800 feet downstream 

mile upstream from Yuma Main Canal wasteway, 5 miles downstream from Gila River, 7 miles upstr

19 miles downstream from Imperial Dam.

DRAINAGE AREA. 242,900 square miles, approximately, including all closed basins entirely within 

RECORDS AVAILABLE.--Chemical analyses: September 1926 to September 1928, October 1942 to Februar

September 1955.

Water temperatures: February 1954 to September 1955.

EXTREMES, 1954-55.--Water temperatures: Maximum, 96°F July 14, Aug. 15; minimum, 44°F Dec. 28-30

EXTREMES, February 1954 to September 1955. Water temperatures: Maximum, 96°F July 14, Aug. 15, 

REMARKS. Values reported for dissolved solids are sums of determined constituents. Records of s

district office at Albuquerque, N. Mex. Records of discharge for water year October 1954 to S

Chemical analyses, in parts per million, water year October 1954 

Date of collection

Oct. 8, 1954 ....

Dec. 5 .........

Jan. 7, 1955 ....

Aug. 8 .........

Sept. 9 .........

Mean 

discharge 

(cfs)

2,300 

3,660 

3,560 

7,790 

4,140 

2,730

2,890 

1,870 

1,140 

4,950 

3,820 

3,100

Silica 

(Si02)

Iron 

(Fe)

Calcium 

(Ca)

87 

86 

87 

87 

91 

72

94 

88 

103 

84 

72 

83

Magnesium 

(Mg)

35 

36 

35 

34 

33 

33

33 

36 

39 

36 

36 

32

Sodium 

(Na)

Potassium 

(K)

118 

109 

115 

106 

106 

125

121 

130 

148 

135 

138 

137

Bicarbonate 

(HC03 )

174 

169 

171 

167 

172 

140

183 

160 

196 

130 

96 

133

Sulfate 

(S04 )

314 

311 

315 

318 

311 

319

327 

345 

371 

365 

363 

350

Chloride 

(Cl)

104 

98 

101 

85 

90 

100

100 

114 

136 

117 

121 

116

Fluoride 

(F)

Nitrate 

(N03 )

0.8 

.9 

1.0 

.9 

1.4 

.0

.9 

.5 

1.2 

.0 

.0 

.0

Boron 

(B)
COLORADO RIVER MAIN STEM--Continued

COLORADO RIVER AT YUMA, ARIZ . Continu

Temperature (°F) of water, water year October 1954 to Se

/Temperatures obtained from continuous-recording ther

Day

1.. .................

2. ..................

4...................

5. ..................

6. ..................

7...................

8. ..................

9...................

10. ..................

11...................

12. ..................

14...................

15...................

16...................

17. ..................

18...................

20. ..................

22...................

23. ..................

24. ..................

25...................

26...................

27. ..................

28. ..................

29...................

30. ..................

31...................

October

max

81 

78 

80 

82 

82

82 

83 

84 

83 

82

81 

78 

80 

78 

76

77 

78 

78 

78 

77

78 

77 

75 

69 

68

68 

66 

67 

69 

70 

69

77

min

74 

75 

76 

74

75

75 

75 

76 

76 

74

73 

73 

73 

73 

72

71 

72 

72 

72 

72

72 

71 

71 

67 

64

63 

62 

62 

63 

63 

64

71

November

max

67 

68 

68 

68 

68

67 

66 

67 

66 

64

69 

68 

66 

67 

66

66 

64 

64 

64 

63

63 

63 

63 

64 

64

64 

64 

64 

62 

61

65

min

63 

62 

62 

62 

63

62 

62 

62 

62 

62

63 

63 

62 

62 

62

62 

61 

60 

60 

59

59 

59 

59 

59 

59

59 

59 

59 

59 

57

61

December

max

58 

58 

60 

61 

60

59 

61 

60 

58 

57

56 

56 

56 

56 

56

56 

54 

56 

56 

56

55 

56 

54 

54 

53

52 

49 

49 

48 

49 

49

55

min

57 

57 

57 

57 

57

57 

57 

57 

57 

55

53 

54 

54 

53 

54

54 

52 

52 

52 

53

53 

51 

50 

51 

50

50 

46 

44 

44 

44 

45

52

January

max

51 

50 

53 

53 

55

53 

52 

52 

53 

52

52 

52 

49 

51 

52

52 

53 

53 

53 

52

53 

50 

51 

52 

51

53 

53 

54 

54 

53 

55

52

min

46 

48 

49 

51 

50

50 

50 

50 

49 

48

49 

48 

49 

48 

49

60 

49 

49 

50 

48

48 

47 

47 

47 

48

49 

49 

49 

50 

50 

50

49

February

max

55 

54 

55 

51 

51

51 

52 

52 

54 

54

53 

55 

56 

57 

58

60 

59 

59 

54 

52 

50 

53 

54 

53 

56

58 

58 

60

55

min

51 

51 

49 

48 

47

47 

46 

47 

48 

49

47 

49 

50 

51 

53

55 

57 

51 

50 

48

47 

49 

47 

48 

50 

51 

52 

54

50

March

max

60 

61 

62 

62 

62

60 

62 

63 

64 

64

65 

67 

68 

68 

67

64 

64 

63 

64 

59

61 

62 

65 

66 

68 

67 

66 

68 

58 

69 

62

64

min

53 

54 

54 

55 

56

56 

54 

55 

58 

58

59 

59 

59 

60 

60

59 

57 

56 

56 

55

52 

54 

56 

57 

59 

61 

60 

61 

60 

61 

61

52

April

max

70 

68 

66 

67 

66

68 

69 

70 

72 

72

69 

69 

73 

71 

73

71 

74 

70 

70 

72

70 

67 

73 

74 

74

70 

70 

73 

71 

72

70

min

61 

62 

60 

59 

59

59 

60 

61 

62 

63

63 

61 

62 

64 

64

65 

66 

64 

61 

62

63 

64 

62 

64 

65

64 

63 

63 

65 

64

62
HHn Hardness:

REMARKS v 

af Aibuj 

for wat

DIVERSIONS AND RETURN FLOWS AT AND BELOW IMP

YUMA MAIN CANAL BELOW COLORADO RIVER SIPHON, AT 

-..

Maximum, 400 ppm June 11-20; minimum, 340 ppm Oct. 1-10 21-31 Dec 11-20 

4?d^tanne: "*xl*um daily , 1,300 micromhos Sept. 20; miAimum daily, 'l, 090 micromhos J

M -55 ' "Dl ssolved solids : Maximum, 894 ppm July 1-10, 1955; minimum, 532 ppm Jan. 1-1

Maximum, 400 ppm June 11-20, 1955; minimum, 260 ppm Jan. 1-10 1953

?!^0 "06; H M?xim"m da "y- 1 > Q micromhos Sept. 20, 1955; miAimum daily, 795 micromh

erque N Mex Samples collect.d'n^nrT^T On ^K "0"; Rec°rdS ° f specific c

''' '' 

Chemical analyses, in parts per million, water year October 1954 t

Date of collection

Oct. 1-10, 1954 ..

Nov. 1-10 .......

Nov. 11-20 ......

Dec. 1-10 .......

Dec. 21-31.......

Jan. 1-10, 1955 ..

Jan. 21-31 .......

Feb. 1-10.. ......

Feb. 11-20 ......

Feb. 21-28 ......

Apr. 21-30 ......

May 11-20 .......

May 21-31 .......

Mean 

discharge 

(cfs)

574 

466 

400 

409 

423 

360

225 

249 

234 

95.0 

113 

293

378 

466 

398 

497 

614 

462

447 

509 

566 

490 

506 

594

Silica 

(Si02)

14 

14 

14 

12 

12 

13

13 

12 

14 

14 

13 

15

13 

13 

16 

18 

16 

14

16 

20 

14 

16 

17 

16

Iron 

(Fe)

0.01 

.00 

.00 

.01 

.00 

.01

.00 

.01 

.01 

.00 

.00 

.00

.01 

.00 

.01 

.01 

.01 

.01

.01 

.01 

.02 

.00 

.01 

.00

Calcium 

(Ca)

87 

88 

87 

89 

89 

89

89 

87 

90 

90 

89 

91

91 

91 

94 

98 

96 

96

96 

96 

92 

96 

95 

96

Magnesium 

(Mg)

30 

30 

30 

30 

30 

30

30 

30 

32 

31 

31 

30

30 

31 

31 

30 

31 

30

31 

33 

34 

31 

32 

33

Sodium 

(Na)

113 

112 

112 

112 

112 

112

113 

111 

109 

107 

106 

105

107 

108 

108 

108 

110 

110

111 

112 

121 

124 

126 

128

Potassium 

(K)

4.8 

4.8 

4.7 

4.8 

4.8 

4.7

4.8 

4.7 

4.6 

4.6 

4.6 

4.7

4.6 

4.7 

4.8 

4.7 

4.8 

4.9

4.9 

4.9 

5.0 

5.2 

5.2 

5.4

Bicarbonate 

(HCOS)

173 

171 

170 

171 

169 

169

171 

169 

165 

165 

166 

166

170 

171 

174 

176 

172 

171

172 

173 

173 

172 

173 

173

Sulfate 

(S04 )

305 

300 

305 

304 

305 

306

306 

307 

309 

305 

304 

302

303 

303 

312 

311 

316 

315

320 

325 

328 

342 

345 

352

Chloride 

(Cl)

98 

97 

98 

98 

97 

96

96 

96 

95 

93 

92 

91

93 

93 

95 

97 

97 

97

100 

102 

103 

107 

108 

111

Fluoride 

(F)

0.4 

.4 

.4 

.4 

.4 

.4

.4 

.4 

.4 

.4 

.4 

.4

.4 

.4 

.4 

.4 

.3 

.3

.3 

.3 

.4 

.0 

.0 

.0

Nitrate 

(NO,)

1.2 

1.3 

1.2 

1.2 

1.2 

1.1

1. 1 

1. 1 

1.1 

1.2 

1.3 

1.7

1.5 

1.7 

1.7 

1.7 

1.4 

1.4

1.4 

1.4 

1.5 

1.5 

1.5 

1.6

Boron 

(B)

0.16 

. 17 

.17 

.17 

. 17 

.17

.17 

.16 

.18 

.20 

.17 

.20

.20 

.20 

.29 

.24 

.30 

.29

.31 

.29 

.18 

.18 

.17 

. 19
DIVERSIONS AND RETURN FFOWS AT AND BELOW IMPERIAL DA

YUMA MAIN CANAL BELOW COLORADO RIVER SIPHON, AT YUMA, A

Chemical analyses, in parts per million, water year October 1954 to Septe

Date of collection

June 1-10, 1955 ..

July 1-10 ........

Aug. 11-20.. .....

Sept. 21-3Q......

Weighted average

Mean 

discharge 

(els)

551 

669 

580 

489 

514 

544

537 

480 

364 

634 

683 

762

460

Silica 

(SiO,)

18 

21 

17 

15 

14 

14

14 

17 

14 

18 

20 

17

16

Iron 

(Fe)

0.01 

.01 

.01 

.01 

.02 

.01

.02 

.00 

.00 

.01 

.00 

.02

0.01

Calcium 

(Ca)

100 

101 

102 

102 

101 

101

100 

92 

91 

93 

94 

98

95

Magnesium 

(Mg)

35 

36 

35 

35 

34 

35

35 

38 

38 

34 

39 

35

33

Sodium 

(Na)

129 

129 

129 

129 

130 

130

131 

132 

133 

128 

135 

133

121

Potassium 

(K)

5.4 

5.6 

5.5 

5.6 

5.6 

5.6

5.7 

5.7 

5.8 

5.6 

5.9 

5. 5

5.2

Bicarbonate 

(HCO,)

174 

175 

172 

173 

170 

172

170 

165 

160 

158 

168 

164

170

Sulfate 

(SO,)

354 

354 

358 

357 

356 

354

357 

374 

380 

347 

379 

361

333

Chloride 

(Cl)

114 

113 

114 

114 

114 

115

116 

113 

113 

114 

118 

118

106

Fluoride 

(F)

0.4 

.4 

.4 

.3 

.3 

.3

.3

.4 

.4 

.3 

.4 

.3

0.3

Nitrate 

(N03 )

1.5 

2.0 

1.6 

1.6

1.8 

1.7

1.7 

1.5 

1. 5 

1.2 

1.9 

1.5

1.5

Boron 

(B)

0.26 

.24 

.26 

.26 

.24 

.25

.25 

.18 

.17 

.21 

.20 

.20

0.22
PART 10. THE GREAT BASIN

SEVIER LAKE BASIN 

SEVIER RIVER NEAR LYNNDYL, UTAH

LOCATION. At bridge on State Highway 125, 1| miles upstream from gaging station, which is 3J mile

DRAINAGE AREA. 6,270 square miles, approximately.

RECORDS AVAILABLE. Chemical analyses: March 1951 to September 1955.

Water temperatures: March 1951 to September 1955. 

EXTREMES, 1954-55. Dissolved solids: Maximum, 4,650 ppm Jan. 16-22; minimum, 512 ppm Mar. 9-12.

Hardness: Maximum, 1,710 ppm Jan. 16-22; minimum, 248 ppm Mar. 9-12.

Specific conductance: Maximum daily, 7,040 micromhos Jan. 21; minimum daily, 855 micromhos Mar. 

Water temperatures: Maximum, 84°F Aug. 5, 10; minimum, 34°F on several days during December and 

EXTREMES, 1951-55. Dissolved solids: Maximum, 4,650 ppm Jan. 16-22, 1955; minimum, 512 ppm Mar. 

Hardness: Maximum, 1,710 ppm Jan. 16-22, 1955; minimum, 248 ppm Mar. 9-12, 1955.

Specific conductance: Maximum daily, 7,040 micromhos Jan. 21, 1955; minimum daily, 855 micromho

Water temperatures: Maximum, 84°F Aug. 5, 10, 1955; minimum, 33°F on many days during December 

REMARKS Values reported for dissolved solids are sums of determined constituents. Records of sp

district office at Salt Lake City, Utah. Records of discharge for water year October 1954 to S

Chemical analyses, in parts per million, water year October 1954 

Date of collection

Oct. 1-6, 1954 ....

Oct. 21-31... .....

Nov. 18-24, 27-30. 

Nov. 25-26. .......

Dec. 1-10.........

Jan. 1-10, 1955 .. . 

Jan. 11-15... .....

Jan. 16-22... .....

Jan. 23-31...... ..

Feb. 11-19. .......

Mean 

discharge 

(cfs)

49.2 

25.2 

16.4 

25.2 

58.5 

72.4

151 

28.0 

36.0 

19.0 

16.7 

17.4

17.2 

17.0 

17.0 

17.0 

18.0 

18.9

Silica 

(Si02)

16 

17 

19 

16 

15 

17

21 

22 

19 

22 

22 

26

27 

27 

33 

30 

26 

26

Iron 

(Fe)

Calcium 

(Ca)

83 

112 

140 

93 

89 

84

87 

143 

102 

146 

165 

154

166 

150 

229 

189 

176 

158

Magnesium 

(Mg)

95 

144 

166 

101 

92 

94

111 

152 

105 

152 

156 

155

148 

146 

278 

183 

157 

150

Sodium 

(Na)

293 

567 

662 

341 

261 

263

405 

578 

312 

591 

628 

627

595 

593 

1,020 

739 

618 

580

Potassium 

(K)

6.0 

9.0 

9.3 

6.2 

5.5 

5.9

7.8 

8.0 

5.8 

8.2 

9.0 

7.8

7.5 

7.5 

12 

8.5 

7.1 

8.4

Bicarbonate 

(HCO,)

303 

313 

350 

297 

293 

284

316 

354 

292 

345 

398 

380

388 

346 

484 

450 

434 

371

Sulfate 

(S04 )

373 

715 

835 

436 

355 

367

508 

728 

411 

751 

801 

795

772 

761 

1,320 

946 

787 

757

Chloride 

(Cl)

430 

785 

920 

495 

398 

402

565 

840 

475 

840 

900 

860

850 

835 

1,520 

1,040 

880 

870

Fluoride 

(F)

Nitrate 

(NO,)

2.3 

1.9 

1.0 

2.1 

2.5 

3.4

7.7 

2.6 

4.6 

2.9 

2.6 

3.3

4.0 

2.9 

2.5 

4.3 

2.2 

5.9

Boron 

(B)

0.38 

.61 

.68 

.40 

.30 

.26

.45 

.52

.51

.52

.63 

.86

.56
SEVIER LAKE BASIN--Continued

SEVIER RIVER NEAR LYNNDYL, UTAH Continu

Chemical analyses, In parts per million, water year October 1954 to Sept

Date of collection

Feb. 20-28, Mar.lMar. 3-8 .........

Mar. 9-12 ........

Mar. 16-20 .......

Mar. 21-22 .......

Mar. 27-31 .......

Apr. 1-10.........

Apr. 11-20. .......

Apr. 21-26, 28-30 ! 

Apr. 27*. .........

May 11-20 ........

May 21-31 ........

June 1-10.........

June 11-20... .....

July 1-10 .........

July 21-31 ........

Aug. 1-10.........

Aug. 11-20. .......

Aug. 21-31........

Sept. 1-10 ........

Sept. 11-20 .......

Sept. 21-30 .......

Weighted average

Mean 

discharge 

(cfs)

22.6 

51.7 

196 

157 

19.8 

17.0 

24.5 

55.0

55.8 

41.4 

100 

159 

655 

599 

376

275 

255 

195 

571 

615 

212

182 

216 

319 

218 

167 

77.0

b!64

Silica 

(SiO,)

22 

16 

12

24 

27 

27 

17

14 

16 

20

28 

27 

26

26 

24 

28 

30 

28 

27

23 

26 

30 

28 

23 

18

26

Iron 

(Fe)

Calcium 

(Ca)

150 

78 

52

173 

175 

153 

92

84 

94 

90

90 

88 

90

87 

86 

85 

88 

89 

86

77 

68 

75 

74 

66 

76

87

Magnesium 

(Mg)

143 

69 

29

162 

171 

123 

88

99 

101 

90

88 

90 

90

94 

98 

97 

97 

99 

101

98 

93 

100 

104 

108 

95

97

Sodium 

(Na)

563 

200 

80

647 

700 

440 

234

267 

286 

279

362 

371 

371

354 

366 

344 

374 

391 

388

367 

359 

412 

428 

436 

320

376

Potassium 

(K)

8.4 

6. 2 

8.3

14 

13 

10 

6.3

6.5 

6.9 

6.4

7.6 

7.1 

7.1

7.8 

7.8 

6.8 

7.7 

7.7 

8.5

7.5 

12 

8.6 

8.6 

7.9 

6.3

7.8

Bicarbonate 

(HCOS )

351 

246 

159 

174 

376 

359 

334 

282

282 

291 

298 

292 

320 

317 

310

298 

289 

282 

303 

303 

300

285 

266 

284 

287 

268 

277

300

Sulfate 

(S0«)

719 

292 

134 

257 

847 

919 

575 

323

375 

388 

352 

182 

428 

433 

434

442 

463 

423 

454 

465 

462

436 

411 

460 

477 

474 

382

450

Chloride 

(Cl)

835 

298 

115

965 

1,030 

702 

378

428 

450 

418 

230 

470 

475 

480

482 

508 

480 

510 

518 

525

500 

478 

538 

568 

582 

458

507

Fluoride 

(F)

Nitrate 

(N03 )

6.4 

3.3 

3.2 

3.9 

2.8 

2.0 

2.6 

3.0

2.3 

2.3 

4.5 

4.6 

13 

12 

10

9.9 

7.4 

7.0 

9.9 

9.1 

7.0

8.1 

7.3 

9.4 

7.3 

6.0 

5.4

8.7

Boron 

(B)

0.52 

.25 

.13

.61 

.66 

.48 

.28

.25 

.32 

.36

.48

.44 

.47

.48 

.44 

.48 

.52 

.51 

.49

.46 

.47 

.50 

. 52 

.51 

.38

0.47

a Not included for computation of weighted average.

b Represents 99 percent of runoff for water year October 1954 to September 1955.
SEVIER LAKE BASIN

SEVIER LAKE BASIN Continued

SEVIER RIVER NEAR LYNNDYL, UTAH Continued

Temperature (°F) of water, water year October 1954 to September 1955

Day

1

2

3

4

5

6

7

8

9

10

11

12

13

14

15

16

17

18

19

20

21

22

23

24

25

26

27

28

29

30

31

Average

Oct.

66

62

62

64

64

66

66

66

66

63

63

63

59

59

59

59

59

59

--

59

59

61

52

45

45

48

52

52

52

53

53

59

Nov.

53

53

53

51

51

51

51

51

50

51

50

50

48

48

48

48

48

48

46

46

49

51

51

50

48

48

46

46

37

39

--

49

Dec.

40

41

41

45

45

47

45

39

39

42

42

43

43

43

43

37

37

36

36

36

36

36

37

37

37

37

34

35

35

35

35

39

Jan.

35

35

35

35

35

_

34

34

34

34

35

35

35

35

35

35

35

35

35

35

35

35

35

35

35

35

35

3'5

34

34

36

35

Feb.

36

36

35

35

35

35

35

35

35

35

35

35

35

35

35

__

35

35

35

35

35

35

35

37

37

37

37

37

__

-_

--

35

Mar.

37

37

42

42

42

42

42

42

48

48

52

52

52

._

--

52

52

52

52

55

55

55

._

__

52

52

52

52

52

50

56

49

Apr.

50

46

48

48

52

55

55

54

54

52

52

58

64

64

64

56

56

54

54

54

54

52

64

50

50

46

54

57

62

52

--

54

May

52

52

58

58

61

62

58

58

62

62

63

63

56

56

56

56

58

62

64

62

58

58

58

58

58

60

62

62

68

60

60

59

June

56

_

59

66

67

72

75

75

75

70

70

70

70

70

70

70

74

80

80

80

80

80

79

78

78

78

74

72

68

68

--

70

July

70

70

70

70

71

72

72

72

72

70

70

70

76

76

76

74

74

76

78

78

78

78

78

75

75

75

78

78

80

81

81

75

Aug.

82

82

80

78

84

81

81

81

80

84

78

78

78

80

80

76

76

76

76

76

74

74

75

75

75

75

75

75

77

77

75

78

Sept.

75

75

73

74

74

72

72

72

72

71

71

71

71

71

71

70

70

65

65

68

64

64

64

63

73

63

63

67

67

66

--

69
HUMBOLDT RIVER BASIN 

HUMBOLDT RIVER NEAR RYE PATCH, NEV.

LOCATION. Below Rye Patch Dam 1,000 feet upstream from gaging station, and 2 miles northwest of Rye 

DRAINAGE AREA. 13,700 square miles, approximately.

RECORDS AVAILABLE. Chemical analyses: December 1951 to September 1955.

Water temperatures: December 1951 to September 1955. 

EXTREMES, 1954-55. Dissolved solids: Maximum, 1,660 ppm May 25-31; minimum, 1,050 ppm July 21-28.

Hardness: Maximum, 356 ppm May 25-31; minimum, 276 ppm July 21-28.

Specific conductance: Maximum daily, 2,940 micromhos May 26; minimum daily, 1,650 micromhos July 

EXTREMES, 1951-55. Dissolved solids: Maximum, 2,190 ppm Sept. 1-5, 1954; minimum, 512 ppm Dec. 21-

Hardness: Maximum, 482 ppm Sept. 1-5, 1954; minimum, 171 ppm May 1-10, 1953.

Specific conductance: Maximum daily, 4,010 micromhos Sept. 2, 1954; minimum daily, 784 micromhos 

Water temperatures: 1951-54: Maximum, 76°F July 31, Aug. 1, 1952; minimum, 35°F Dec. 24, 1952.

REMARKS. Values reported for dissolved sdlids are sums of determined constituents. Records of spec

district office at Salt Lake City, Utah. Records of discharge for water year October 1954 to Sep

inflow between gaging station and sampling point except during periods of local rains.

Chemical analyses, in parts per million, water year October 1954 to S

Date of collection

May 22-31, 1955... 

June 1-10.........

July 21-31, Aug. 1-3 

Weighted average.

Mean 

discharge 

(cfs)

318 

289 

102 

93.2 

187

a213

Silica

(sicg

41 

42

51 

56

46

Iron 

(Fe)

Calcium 

(Ca)

77 

72 

76 

70 

61

71

Magnesium 

(Mg)

40 

36 

33 

32 

30

35

Sodium 

(Na)

445 

401

325 

256

368

Potassium 

(K)

42 

40

36 

31

38

Bicarbonate 

(HCO,)

334 

343 

364 

356 

340

341

Sulfate 

(S04 )

183 

169 

160 

147 

122

159

Chloride 

(Cl)

665 

548 

505 

432 

322

513

Fluoride 

(F)

Nitrate 

(N03 )

3.0 

3.0

2.4 

3.6

3.1

Boron 

(B)

1.8

1.4

1.5 

1.3

1.5

P

a Represents 92 percent of runoff for water year October 1954 to September 1955.

Temperature (°F) of water, May to July 1955 

ANo flow on many days/

Day

1

2

3

4

5

6

7

May

-_

--

-.

-_

_-

--

Average

June

60

61

62

65

67

66

66

July

--

--

--

-_

-_

--

Day

8

9

10

11

12

13

14

May

-.

--

--

__

..

..

June

70

70

71

70

--

_-

-- t 

July

.-

_-

-.

66

67

68

68

Day

15

16

17

18

19

20

21

May

--

--

--

__

-_

--

June

._

--

--

..

__

__

--

July

68

68

70

71

71

72

71

Day

22

23

24

25

26

27

28

May

_-

_-

59

59

60

62
PYRAMID AND WINNEMUCCA LAKES BASIN

MISCELLANEOUS ANALYSES OF STREAMS AND LAKES IN PYRAMID AND WINNEMUCCA 

Chemical analyses, in parts per million, water year October 1954 to 

Date of collection

Mean 

discharge 

(cfs)

Silica 

(Si02)

Iron 

(Fe)

Calcium 

(Ca)

Magnesium 

(Mg)

Sodium 

(Na)

Potassium 

(K)

Bicarbonate 

(HCOa )

Sulfate 

(S04 )

Chloride 

(Cl)

Fluoride 

(F)

Nitrate 

(N03 )

Boron 

(B)

LAKE TAHOE (SOUTH END) BIJOU (SEC. 35, T. 13 N., R. 

Oct. 11, 1954 .... 

Nov. 8. ..........

May 9, 1955. .....

Aug. 15..........

Sept. 12 .........

14 

13

14

0.00 

.00

9.7 

9.5 

9 3 

9! 2 

9.8 

9.6 

9.7

2.4 

2.5 

2.4 

1.6 

1.8 

3.2 

1.7

6.4 

6.0 

5.9 

6.1 

6.7 

6.2 

6.0

1.7 

1.8 

1.8 

1.7 

2.1 

1.9 

1.7

56 

54 

54 

50 

56 

56 

55

2.5 

2.1

.0

1.0 

1.8 

1.0 

1.0 

2.0 

3.2 

1.5

0.0 

.0

.0

0.0 

.2

.2

0.04 

.02 

.00 

.00 

.05 

.00 

.00

LAKE TAHOE (NORTH END) TAHOE VISTA (SEC. 14, T. 16 N., 

Oct. 11, 1954 .... 

Nov. 8. ..........

May 9, 1955..... .

Sept. 12 .........

13 

13

0.00 

.00

10 

10 

8.9 

9.2 

9.3 

9.2 

9.2

2.1 

2.2 

2.9 

2.6 

2.4 

3.4 

2.2

6.4 

5.7 

5.9 

6.3 

6.1 

5.9 

6.0

1.7 

1.7 

1.8 

1.8 

1.9 

1.8 

1.6

55 

55 

58 

55 

54 

57 

54

1.8 

2.0

2.3 

1.8 

1.2 

2.0 

2.2 

2.2 

1.8

0.1 

.0

0.2 

.2

0.02 

.01 

.07 

.00 

.04 

.05 

.06

LAKE TAHOE (WEST SIDE) TAHOE CITY (SEC. 7, T. 15 N., R

Oct. 11, 1954 ....

May 9, 1955. .....

July 11 ..........

Sept. 12 .........

11 

14

0.00 

.00

9.6 

9.3 

11 

9.6 

9.8 

9.2 

9.4

2.2 

2.6 

1.6 

2.1 

2.1 

2.7 

2.1

6.4 

5.6 

5.9 

6.0 

5.6 

6.1 

6.0

1.8 

1.7 

1.8 

1.8 

1.8 

1.8 

1.7

54 

54 

54 

56 

55 

55 

54

4.1 

.0

2.0 

2.5 

1.2 

2.0 

1.0 

2.5 

1.5

0.1 

.0

0.5 

.2

0.28 

.02 

.06 

.00 

.07 

.00 

.00
PYRAMID AND WINNEMUCCA LAKES BASIN Continued

MISCELLANEOUS ANALYSES OF STREAMS AND LAKES IN PYRAMID AND WINNEMUCCA LAKES 

Chemical analyses, In parts per million, water year October 1954 to Septem

Date of collection

Mean 

discharge 

(cfs)

Silica 

(SiOa)

Iron 

(Fe)

Calcium 

(Ca)

Magnesium 

(Mg)

Sodium 

(Na)

Potassium 

(K)

Bicarbonate 

(HCO,)

Sulfate 

(SO,)

Chloride 

(Cl)

Fluoride 

(F)

Nitrate 

(NO,)

Boron 

(B)

TRUCKEE RIVER NEAR TRUCKEE (SEC. 28, T. 17 N., R. 

Oct. 11, 1954 .....

July 11 ...........

Sept. 12 ..........

311 

239 

259 

224 

437 

449 

455

17

13

0.00

.00

11 

10 

7.4

5 Q

9.5 

9.2 

9.0

1.5 

2.2 

1.8

2.5 

3.7 

2. 6

6.4 

5.8 

2.8

5.9 

5.9 

5.7

1.8 

1.8 

.8

1.5 

 1.7 

1.6

55 

55 

32 

26 

55 

56 

55

4.9 

1.0

2.0 

1.5 

.5 

.0 

2.2 

2.2 

1.5

0.1 

.0

0.6 

.1

0.08 

.01 

.07 

.00 

.02 

.00 

.00

TRUCKEE RIVER AT FARAD (SEC. 29, T. 18 N., R. 18 

Oct. 12, 1954 ..... 

Nov. 9. ...........

July 12 ...........

Aug. 16...........

Sept. 13 ..........

409 

708 

928 

507 

507 

493

17 

15

0.01 

.00

12 

9.5 

7.2 

5.3 

8.9 

9.6 

9.4

2.2 

2.3 

1.7 

1.4 

3.4 

3.2 

2.7

6.6 

5.3 

3 2 

2.9 

5.7 

5.9 

5.9

1.6 

1.3 

.8 

1.0 

1.8 

1.8 

1.9

60 

52 

36 

28 

56 

57 

57

3.0 

2.0

1.3 

1.8 

1.0 

.3 

2.0 

2.2 

1.8

0.2 

.0

0.3 

.1

0.04 

.00 

.00 

.00 

.02 

.06 

.00

HONEY LAKE BASIN

MISCELLANEOUS ANALYSES OF STREAMS IN HONEY LAKE BA

SUSAN RIVER NEAR SUSANVILLE (SEC. 31, T. 30 N

Oct. 12, 1954 ..... 

Nov. 9 ...........

July 12 ...........

Aug. 16. ..........

Sept. 13 ..........

5.1

24

3.1

"

no

41

"

0 9

.10

20

18

7.0 

9 3

3

1

4 g

10

6.5

3

0

4.6

5.8

2.2

2 7

2

c

2.7

113

no

I 09

126

--

.0

0.7

.0

"

.0

--

.2

0.04

.00
PART 11. PACIFIC SLOPE BASINS IN CALIFORN

CARMEL RIVER BASIN 

CARMEL RIVER NEAR CARMEL, CALIF.

LOCATION. At right bank approximately 30 feet below Rancho San Carlos Bridge, 2 miles east of 

RECORDS AVAILABLE. Chemical analyses: October 1953 to September 1955.

REMARKS.--Values reported for dissolved solids are sums of determined constituents. No dischar

Chemical analyses, in parts per million, December 1954 to Se

Date of collection

Dec. 16, 1954..... 

Jan 18, 1955 .....

Mar. 22 ..........

May 19 ...........

Sept. 22 ..........

Discharge 

(els)

Silica 

(SiOa)

22 

24

Iron 

(Fe)

0.00 

.02

Calcium 

(Ca)

31 

27 

30 

28 

20

39 

45 

41 

63 

64

Magnesium 

(Mg)

9.6 

7.5 

9.0 

10 

11

5.3 

12 

23 

19 

20

Sodium 

(Na)

19 

17 

19 

17 

13

20 

31 

39 

47 

45

Potassium 

(K)

2.5 

2.7 

2 3

2^6 

2.1

2.8 

3.1 

3.4 

3.2 

4.4

Bicarbonate 

(HCO.)

115 

97 

109 

111 

105

123 

149 

172 

206 

202

Sulfate 

(S04 )

36 

99

Chloride 

(Cl)

18 

19 

17 

16 

9.5

16 

34 

46 

58 

56

Fluoride 

(F)

0.4 

.5

Nitrate 

(N03)

0.2 

.0

Boron 

(B)

0.0

.0

.0

.0

.0

.0

.0

.0

.0

.0
PAJARO RIVER BASIN

UVAS CREEK NEAR MORGAN HILL, CALIF.

LOCATION. At gaging station 500 feet upstream from Uvas Dam, 0.6 mile downstream from Eastman Can

Santa Clara County. 

DRAINAGE AREA. 30.2 square miles.

RECORDS AVAILABLE.--Chemical analyses: October 1953 to September 1955. 

REMARKS. Values reported for dissolved solids are sums of determined constituents. Records of d

given in WSP 1395.

Chemical analyses, in parts per million, water year October 1954 to 

Date of collection

Oct. 20, 1954 .....

Jan. 17, 1955.....

Sept. 21 ..........

Discharge 

(cfs)

0.2 

6.6 

17 

22 

14 

12

21 

8.0 

2.6 

.5 

.3 

.2

Silica 

(Si02)

24 

19

19 

26

Iron 

(Fe)

0.00 

.00

Calcium 

(Ca)

52 

43 

40 

39 

43 

37

33

51 

47 

39 

47 

13

Magnesium 

(Mg)

18 

17 

17 

18 

20 

23

19 

14 

16 

25 

22 

42

Sodium 

(Na)

14 

13 

12 

12 

13 

13

12 

14 

14 

15 

14 

15

Potassium 

(K)

0.9 

.9 

.6 

.6 

.8 

.8

.6 

1.3 

.9 

1.2 

.8 

1.0

Bicarbonate 

(HCO,)

232 

183 

182 

186 

202 

206

185 

213 

218 

238 

238 

235

Sulla te 

(SO,)

32 

35

Chloride 

(CD

7.0 

9.0 

7.5 

8.0 

6.0 

7.0

4.7 

5.5 

6.0 

6.5 

8.5 

7.5

Fluoride 

(F)

0.2 

.1

Nitrate 

(NO,)

0.3

.4

Boron 

(B)

0.08 

.12 

.07 

.12 

.15 

.04

.05 

.09 

.01 

.15 

.15 

.15
PAJARO RIVER BASIN Continued

PAJARO RIVER AT CHITTENDED, CALIF. 

(Formerly published as Pajaro River near Chittend

LOCATION-(revised). At gaging station on State highway bridge 0.6 mile downstream from Pescadero C

County, and 2.3 miles downstream from San Benito River. 

DRAINAGE AREA. 1,188 square miles.

RECORDS AVAILABLE. Chemical analyses: October 1953 to September 1955. 

REMARKS. Values reported for dissolved solids are sums of determined constituents. Records of dis

given in WSP 1395.

Chemical analyses, in parts per million, water year October 1954 to S

Date of collection

Oct. 20, 1954 ......

Dec. 15 ............

Jan. 17, 1955. ......

Feb. 17 ............

Mar. 21............

Apr. 25 ............

May 18.............

June 22 ............

July 20. ............

Sept. 21............

Discharge 

(cisfc

1.1

2.1 

5.0 

26 

8.6 

7.8

18 

4.0 

2.8 

.9 

1.6

Silica 

(Si08)

23

16 

21

Iron 

(Fe)

0.00 

.00

Calcium 

(Ca)

78 

107 

62 

54 

76 

72

51 

86 

149 

91 

89 

84

Magnesium 

(Mg)

77 

79 

45 

41 

64 

52

43 

65 

51 

9.1 

94 

87

Sodium 

(Na)

241 

273 

138 

85 

144 

107

83 

146 

235 

224 

200 

217

Potassium 

(K)

5.0 

6.4 

3.4 

2.6 

3.8 

3.0

2.5 

5.0 

4.0 

5.0 

3.8 

3.8

Bicarbonate 

(HCOS)

534 

554 

364 

271 

404 

357

287 

448 

536 

537 

577 

586

Carbonate 

(CO,)

12 

16

6 

9

Sulfate 

(S04)

244 

296

Chloride 

(Cl)

210 

348 

149 

72 

133 

105

65 

147 

217 

210 

190 

191

Fluoride 

(F)

0.3 

.6

Nitrate 

(N03 )

0.3 

2.5
SOQUEL CREEK BASIN 

SOQUEL CREEK AT SOQUEL, CALIF.

LOCATION. At gaging station 0.2 mile upstream from highway bridge in town of Soquel, Santa Cruz Coun

DRAINAGE AREA. 40.4 square miles.

RECORDS AVAILABLE.--Chemical analyses: October 1953 to September 1955.

REMARKS. Values reported for dissolved solids are sums of determined constituents. Records of disch

given in WSP 1395.

Chemical analyses, in parts per million, wa

Date of collection

Oct. 21, 1954... .....

Nov. 18 .............

Dec. 16 .............

Feb. 18, 1955 .......

Mar. 22 ............

Apr. 26 .............

May 19. .............

July 21. .............

Aug. 25 .............

Seut. 22. ............

Discharge

(cfs)

3.0 

19 

32 

21 

19 

49

15 

7.4 

3.9 

2.6 

3.3

Silica 

(SiO,)

40 

30

28 

40

Iron 

(Fe)

0.00 

.03

Calcium 

(Ca)

81 

78 

64 

69 

63 

48

75 

78 

78 

75 

74

Magnesium 

(Mg)

21 

22 

19 

20 

25 

16

16 

20 

23 

24 

24

Sodium 

(Na)

50 

54 

39 

40 

41 

27

41 

47 

47 

48 

47

Potassium 

(K)

4.5 

4.7 

2.9 

3.4 

3.4 

2.6

3.9 

4.6 

5.5 

4.7 

4.9

Bicarbonate 

(HCO,)

230 

216 

196 

206 

210 

166

219 

239 

259 

262 

253

Carbonate 

(CO,)

12

3 

6

5 

5

Sulfate 

(SO,)

105 

87

ter year October 1954

Chloride 

(Cl)

72 

70 

36 

35 

38 

19

36 

55 

60 

65 

59

Fluoride 

(F)

0.3 

. 5

Nitrate 

(N03 )

0. 5

.4

o S

B

ro

(B

0.

. 

.

.

.

.

.

.

. 

.
SAN LORENZO RIVER BASIN 

SAN LORENZO RIVER AT BIG TREES, CALIF.

LOCATION. In Canada del Rincon Grant at Sequoia Picnic and Camp Grounds at Big Trees, Santa Cruz 

north of Santa Cruz.

DRAINAGE AREA. 110 square miles (above gaging station). 

RECORDS AVAILABLE.--Chemical analyses: October 1953 to September 1955. 

REMARKS.--Values reported for dissolved solids are sums of determined constituents. Records of di

given in WSP 1395.

Chemical analyses, in parts per million, water year October 1954 to 

Date of collection

Oct. 21, 1954 ..... 

Nov. 18 ...........

Dec. 16..... ......

Jan. 18, 1955 ..... 

Feb. 18 ...........

Apr. 26 ..........

May 19 ...........

July 21 ...........

Sent. 22 ..........

Discharge 

(cfs)

16 

40 

a 96 

1,090 

71 

57

187 

53 

28

15 

15

Silica 

(Si02)

27 

25

23 

28

Iron 

(Fe)

0.00 

.05

Calcium 

(Ca)

40 

40 

38 

22 

40 

41

22 

41 

43 

39 

36 

37

Magnesium 

(Mg)

6.1 

8.3 

8.8 

1.0 

11 

8.9

12 

9.7 

6.5 

8.2 

7.6 

6.4

Sodium 

(Na)

22 

22 

20 

10 

21 

22

17 

21 

23 

21 

20 

21

Potassium 

(K)

1.9 

2.1 

1.5 

2.2 

1.7 

1.7

1.6 

2.2 

1.9 

1.9 

1.6 

1.8

Bicarbonate 

(HCO,,)

136 

122 

118 

52 

126 

130

95 

136 

140 

142 

134 

130

Sulfate 

(SO,)

29

51 

28

Chloride 

(Cl)

25 

23 

17 

6.5 

18 

20

14 

18 

21 

21 

22 

24

Fluoride 

(F)

0.2

.1 

.2

Nitrate 

(NO,)

0.2

.5 

.4

Boron 

(B)

0.06 

.11 

.03 

.00 

.07 

.00

.10 

.08 

.08 

.13 

.06 

.02

a Daily mean discharge.
210 PACIFIC SLOPE BASINS IN CALIFORNIA

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Includes a 
COYOTE CREEK BASIN 

COYOTE CREEK NEAR MADRONE, CALIF.

LOCATION. At gaging station near southeast corner of Laguna Seca Grant, 1.2 miles downstream from 

of Madrone, Santa Clara County. 

DRAINAGE AREA. 194 square miles.

RECORDS AVAILABLE. Chemical analyses: October 1953 to September 1955. 

REMARKS. Values reported for dissolved solids are sums of determined constituents. Records of dis

given in WSP 1395.

Chemical analyses, in parts per million, water year October 1954 to S

Date of collection

Oct. 20, 1954 .....

Dec. 15..... ......

Jan. 17, 1955 ..... 

Feb. 17 ...........

July 20 ...........

Aug. 24 ...........

Sent. 21 ..........

Discharge

(cfs)

50 

a 16 

6.0 

30 

17 

27

54 

50 

85 

33 

74 

74

Silica 

(SiO,)

8.5 

9.0

9.2 

12

Iron 

(Fe)

0.00 

.01

Calcium 

(Ca)

42 

41 

44 

45 

48 

43

42 

47 

51 

38 

43 

44

Magnesium 

(Mg)

17 

18 

21 

16 

21 

22

23 

20 

19 

26 

22 

23

Sodium 

(Na)

17 

17 

19 

20 

20 

20

20 

20 

20 

20 

20 

19

Potassium 

(K)

2.6 

2.5 

2.5 

2.3 

2.3 

2.7

2.7 

3.1 

2.3 

2.7 

2.3 

2.5

Bicarbonate 

(HCOS )

201 

206 

221 

218 

b223 

218

224 

c229 

233 

229 

227 

222

Sulfate 

(SO,)

44 

45

Chloride 

(Cl)

11 

12 

12 

14 

14 

13

13 

14 

13 

13 

14 

14

Fluoride 

(F)

0.3 

. 5

Nitrate 

(N03 )

1.0 

1. 1

Boron 

(B)

0.08 

. 14 

.09 

. 11 

.09 

.04

.11 

.15 

.09 

.07 

.13 

.16

a Daily mean discharge.

b Includes equivalent of 10 parts per million of carbonate (CO3 ).

c Includes equivalent of 5 parts per million of carbonate (CO,).
212 PACIFIC SLOPE BASINS IN CALIFORNIA

o> a a. (D -O

ig I

a

Si g 2 ^o" !I s i!«

, 8 S1 c 3

»3.§3 2

sis I

ft u a

i? 1 ! 3

to _-

ss JjjpJ 

3 s s

| PS

S

» 1 3* S« P l&sS

3 » SSag S & B =

5 ota

di

0 «j-^ 

3 3 fc, S i. 

g-EH s3g

0

if03*'

SIS sIM

3 la a»^

I1 S

31 i | £P 

S '3£.

3 11

11

« ^5

 S o

»5

1 

5^S-51 

3

1

5

0

 s

I

~H <N GO ~H CM -I

00 GO t- 00 COCO

O O * CD O CO 

oo if> oa c- * «-t

*H oa O oa O oo

esi -H « ^H « ^

ssssss

us oa t- ift O tCO IA CO CD CO CO

O co oa ca « tO oa oo if> t- if>

^

5SS««

* O O V O CO

c- v -H n o

m oa CO t- t- ift

Ot CO CO CO CO t-

 * v m 5 v i

 * in o 01 in i

t- O3 t- CO t- 1

O ^H 1 1 1 1

to to i i i i

^i ^i oo m C4

rt T T 0 to to

S

'. '.">'.'.

° rt!2 J; S «

«J > o g -0' S 

OZQ^feS

0! « * « -H

t- CO 00 COCO

O O O O O 

CO C- O5 O ^

S So -H «

oo-a«

«««-H«

sssss

s ,sas

^ -H CO « 01 

« « « § 5

OO 

O

S

at » ^H « ^

rt -Hrt

O

o

rt CO to CO IM

O

§5 S 3 S S w ww 5 

a a

CO,«0=-,CO

CO CO IA CO CO

SgSS g

S

I O I CO 

1 ^< 1 lA

TJH | TJH 1 0

CO 1 OS 1 OO

o 

o

o

12:1:

co^

to ° S <=> « " « N «

li^i < S ii 1-1 <

Is

o o

1131II

IIa a
KERN RIVER BASIN

KERN RIVER NEAR BAKERSFIELD, CALIF.

LOCATION. At gaging station at diversion weir at mouth of lower canyon, approximately 2 miles eas

Kern County.

DRAINAGE AREA. 2,420 square miles.

RECORDS AVAILABLE.--Chemical analyses: October 1953 to September 1955. 

REMARKS. Values reported for dissolved solids are sums of determined constituents. Gaging statio

Division.of Water Resources. Records of discharge for water year October 1954 to September 195

Supervision for 1954 and Report of Sacramento-San Joaquin Water Supervision for 1955.

Chemical analyses, in parts per million, water year October 1954 to 

Date of collection

Oct. 14, 1954 ..... 

Nov. 11. ..........

Dec. 9 ...........

Jan. 11, 1955 ..... 

Feb. 10. ..........

Apr. 13..... ......

May 11 ...........

Aug. 17...........

Sept. 14 .... .....

Discharge 

(cfs)

246 

287 

277 

306 

321 

418

641 

557 

1,255 

774 

478 

274

Silica 

(Si02)

12

26 

11

Iron 

(Fe)

0.02

Calcium 

(Ca)

22 

19 

19 

19 

20 

19

9.7 

8.8 

7.8 

8.9 

11 

18

Magnesium 

(Mg)

3.7 

3.6 

3 3 

2.6 

3.4 

2.3

7.9 

3.4 

1.1 

1.7 

2.3 

2.7

Sodium 

(Na)

24 

22 

20 

20 

23 

19

18 

12 

6.0 

9.0 

13 

17

Potassium 

(K)

3.1 

2.5 

2.2 

1.8 

2.1 

1.7

2.1 

1.4 

.8 

1.2 

1.6 

2.1

Bicarbonate 

(HCO,)

106 

93 

92 

86 

100 

88

91 

58 

35 

46 

63 

84

Sulfate 

(S04 )

8.7 

13

Chloride 

(Cl)

12 

12 

12 

11 

12 

9.5

8.2 

3.6 

2.0 

4.5 

6.5 

11

Fluoride 

(F)

0.3 

.4

Nitrate 

(NOS )

0.1 

.2

Boron 

(B)

0.19 

.19 

.30 

.29 

.15 

.13

.16 

.06 

.07 

.07 

.04 

.18
TULARE LAKE BASIN

TULE RIVER NEAR PORTERVILLE, CALIF.

LOCATION. At gaging station on downstream side of highway bridge, 1 mile upstream from South Fork a

DRAINAGE AREA. 261 square miles (revised).

RECORDS AVAILABLE. Chemical analyses: October 1953 to August 1955.

REMARKS.--Values reported for dissolved solids are sums of determined constituents. Records of disc

given in WSP 1395.

Chemical analyses, in parts per million, October 1954 to Augu

Date of collection

Aug. 17 ............

Discharge 

(cfs)

5.1 

20 

48 

88 

71 

123

80 

232 

66 

6.4 

.5

Silica 

(Si02)

35 

23

Iron 

(Fe)

Calcium 

(Ca)

49 

54 

55 

44 

44 

31

34 

21 

33 

49 

54

Magnesium 

(Mg)

8.7 

9.8 

9.9 

7.3 

6.9 

4.8

3.2 

2.6 

3.3 

7.5 

8.1

Sodium 

(Na)

25 

25 

23 

22 

18 

14

12 

8.1 

11 

20 

21

Potassium 

(K)

3 3 

3^7 

3.1 

4.2 

2.3 

2.2

2.1 

1.4 

1.8 

3.9 

3.0

Bicarbonate 

(HCO,)

223 

237 

238 

198 

194 

138

144 

94 

137 

202 

243

Carbonate 

(C03)

5 

7 

2 

0 

0 

0

0 

0 

0 

9 

0

Sulfate 

(SO,)

2.0

Chloride 

(Cl)

12 

14 

14 

14 

10 

5.8

6.2 

3.8 

4.8 

9.5 

12

Fluoride 

(F)

0.2

Nitrate 

(N03 )

0.4

B

r

(B

0
TULARE LAKE BASIN Continued

KAWEAH RIVER NEAR THREE RIVERS, CALIF.

LOCATION. Just below gaging station 2.5 miles downstream from South Fork and 3 miles southwest o

DRAINAGE AREA. 520 square miles.

RECORDS AVAILABLE. Chemical analyses: October 1953 to September 1955.

REMARKS. Values reported for dissolved solids are sums of determined constituents. Records of d

given in WSP 1395.

Chemical analyses, in parts per million, water year October 1954 t

Date of collection

Oct. 13, 1954 ....

Jan. 11, 1955 ....

Mar. 9 ..........

May 11 ..........

Sept. 13 .........

Discharge 

(cfs)

27 

32 

114 

151 

182 

387

516 

1,370 

989 

213 

50 

26

Silica 

(Si02)

19

13 

16

Iron 

(Fe)

0.02

Calcium 

(Ca)

19 

20 

15 

17 

15 

11

3.8 

4.2 

4.7 

8.9 

13 

16

Magnesium 

(Mg)

2.1 

2.5 

1.5 

1.7 

1.5 

1.6

2.7 

1.3 

.8 

1.2 

1.8 

1.5

Sodium 

(Na)

9.5 

9 3 

5.9 

7.2 

6.4 

5.0

3.3 

2.4 

1.8 

5.5 

5.7 

7.7

Potassium 

(K)

1.9 

1.6 

1.3 

1.1 

1.1 

1.2

.8 

.7 

.4 

2.2 

1.4 

1.7

Bicarbonate 

(HCO,)

76 

78 

58 

68 

60 

48

32 

24 

22 

36 

55 

63

Sulfate 

(S04 )

--

1.2 

3.0

Chloride 

(Cl)

11 

10

5.8 

4.0 

2.0

1.6 

.3 

.5 

3.8 

5.5 

8. 5

Fluoride 

(F)

--

0.3 

.1

Nitrate 

(N03 )

--

0.1 

.2

Boron 

(B)

0.00 

.02

.13 

.01 

.06

.00 

.01 

.00 

.00 

.06 

.02
TULARE LAKE BASIN Continued

KINGS RIVER ABOVE NORTH FORK, CALIF.

LOCATION. About 0.75 mile below gaging station on downstream side of bridge, 0.15 mile upstream f

east of Trimmer.

DRAINAGE AREA. 956-square miles (above gaging station).

RECORDS AVAILABLE.--Chemical analyses: October 1953 to September 1955.

REMARKS. Values reported for dissolved solids are sums of determined constituents. Records of di

given in WSP 1395.

Chemical analyses, in parts per million, water year October 1954 to 

Date of collection

Oct. 13, 1954 .....

Jan. 11, 1955 .....

Mar. 8 ...........

May 10 ...........

Aug. 16...........

Discharge 

(cfs)

113 

113 

259 

256 

296 

538

1,100 

2,160 

3,730 

1,370 

372

Silica 

(SiO,)

9.9

Iron 

(Fe)

Calcium 

(Ca)

7.6 

7.9 

7.6 

7.7 

7.3 

7.2

1.8 

3.6 

3.4 

3.4 

5.1

Magnesium 

(Mg)

1.0 

.6 

.6 

.3 

.4 

1.0

1.4 

.2 

.1 

.2 

.2

Sodium 

(Na)

4.2 

4.2 

3 9 

4.2 

4.3 

3.9

2.9 

2.2 

1.2 

3.1 

2.4

Potassium 

(K)

1.0 

1.1 

.9 

.6 

.6 

.8

.6 

.5 

.4 

1.1

.7

Bicarbonate 

(HCO,)

30 

30 

28 

27 

27 

25

16 

16 

10 

11 

19

Sulfate 

(S04 )

1.7

Chloride 

(Cl)

3.2 

3.0 

2.2 

3.0 

2.5 

1.5

1.5 

1.0 

.8 

1.8 

1.5

Fluoride 

(F)

0.2

Nitrate 

(NO,)

0.2

Boron 

(B)

0.05 

.02 

.03 

.22 

.01 

.00

.00 

.03 

.02 

.00 

.14
TULARE LAKE BASIN Continued

KINGS RIVER AT PIEDRA, CALIF.

LOCATION. About 0.5 mile above gaging station, at highway bridge at Piedra, Fresno County, 1.5 m

northeast of Sangor.

DRAINAGE AREA. 1,694 square miles (above gaging station). 

RECORDS AVAILABLE. Chemical analyses: October 1953 to August 1955. 

REMARKS. Values reported for dissolved solids are sums of determined constituents. Records of d

1955 given in WSP 1395.

Chemical analyses, in parts per million, October 1954 to Au

Date of collection

Oct. 13, 1954 .....

Dec. 8. ...........

Feb. 9, 1955......

Apr. 12. ..........

May 10 ...........

Aug. 16 ...........

Discharge 

(cfs)

52 

50 

32 

226 

605

1,640 

722 

5,190 

3,830 

2,410

Silica 

(Si02)

10 

14

Iron 

(Fe)

Calcium 

(Ca)

7.2 

7.5 

7.6 

8.9 

8.4

4.2 

2.5 

2.5 

2.8 

6.0

Magnesium 

(Mg)

1.7 

1.3 

1.5 

2.1 

2.0

2.3 

2.2 

1.0 

.4

.7

Sodium 

(Na)

3.3 

3.8 

3.8 

5.3 

4.2

3.7 

3.2 

1.4 

3.4 

3.2

Potassium 

(K)

1.1 

1.3 

1.1 

1.0 

1.1

1.0 

.8 

.4 

1.4 

.8

Bicarbonate 

(HCO,)

34 

32 

33 

40 

36

28 

24 

13 

9 

26

Sulfate 

(SO,)

2.3

Chloride 

(Cl)

1.8 

2.2 

2.8 

3.5 

3.0

2.0 

.8 

.8 

1.2 

1.0

Fluoride 

(F)

0.1

Nitrate 

(NO,)

0.2

Boron 

(B)

0.00 

.04 

.01 

.00 

.06

.04 

.01 

.05 

.02 

.07
TULARE LAKE BASIN Continued 

KINGS RIVER AT PEOPLES WEIR, NEAR KINGSBURG, CA

LOCATION. About 0.25 mile below gaging station located on diversion weir, about 12 miles northeas

County.

RECORDS AVAILABLE. Chemical analyses: October 1953 to September 1955. 

REMARKS. Values reported for dissolved solids are sums of determined constituents. Gaging statio

Association. Records of discharge for water year October 1954 to September 1955 furnished by t

Chemical analyses, in parts per million, water year October 1954 to 

Date of collection

Oct. 14, 1954 ..... 

Nov. 11. ..........

Jan. 10, 1955 ..... 

Feb. 10. ..........

Mar. 9 ...........

Apr. 13 ..........

May 10 ...........

Sept. 14 ..........

Mean 

discharge 

(cfs)

3.0 

50 

76 

61 

81 

237

103 

149 

1,077 

685 

1,110 

380

Silica

(sicg

15

16

7.8

Iron 

(Fe)

0.13

Calcium 

(Ca)

13 

24 

20 

22 

19 

9.6

11 

11 

4.0 

4.0 

4.2 

4.7

Magnesium 

(Mg)

3.3 

4.4 

6.1 

5.6 

8.7 

3.4

7.4 

3.3 

1.2 

.9 

1.0 

1.1

Sodium 

(Na)

8.0 

18 

13 

14 

13 

5.9

10 

7.2 

2.5 

3.3 

2.2 

2.5

Potassium 

(K)

1.6 

2.8 

2.1 

2.1 

2.0 

1.4

1.9 

1.5 

1.0 

1.1 

.8 

.7

Bicarbonate 

(HCO,)

69 

128 

106 

109 

108 

50

86 

59 

20 

18 

21 

23

Sulfate 

(SO,)

5.1 

2.6

Chloride 

(Cl)

3.5 

10 

6.5 

7.0 

5.5 

3.5

4.8 

3.8 

.5 

1.8 

.5 

.5

Fluoride 

(F)

0.1 

.2

Nitrate 

(NOS)

1.1 

.3

Boron 

(B)

0.02 

.08 

.02 

.17 

.06 

.04

.05 

.04 

.02 

.00 

.11 

.01
SAN JOAQUIN RIVER BASIN 

SAN JOAQUIN RIVER BELOW FRIANT, CALIF.

LOCATION. At gaging station 0.5 mile west of Friant. Fresno County, 1.5 mile downstream from Cott

at mile 268.1.

DRAINAGE AREA.--1,675 square miles.

RECORDS AVAILABLE. Chemical analyses: October 1952 to September 1955. 

REMARKS. Values reported for dissolved solids are sums of determined constituents. Records of di

given in WSP 1395.

Chemical analyses, in parts per million, water year October 1954 to 

Date of collection

Oct. 12, 1954..... 

Nov. 9 ...........

Feb. 11 ..........

Sept. 15..........

Discharge 

(cfs)

135 

119 

510 

108 

55 

74

128 

78 

166 

188 

195 

164

Silica 

(Si02)

15 

11

Iron 

(Fe)

0.03 

.03

Calcium 

(Ca)

3.1 

3.9 

4.7 

6.9 

6. 2 

5.9

1.9 

2.5 

4.7 

4.2 

3.8 

4.6

Magnesium 

(Mg)

0.8 

.4 

.1 

.6 

.9 

.8

2.1 

2.4 

.7 

1.0 

1.3 

.5

Sodium 

(Na)

3.3 

3.2 

3.5 

6.0 

6.3 

6.1

4.6 

5.8 

4.7 

6.7 

4.8 

4. 5

Potassium 

(K)

0.7 

.8 

.7 

1.0 

.8 

1.1

.8 

.7 

.8 

1.2 

.6 

.6

Bicarbonate 

(HCOS )

19 

18 

20 

26 

29 

28

22 

28 

22 

24 

22 

22

Sulfate 

(SOJ

1.2 

2.0

Chloride 

(Cl)

2.0 

2.2 

2.2 

6.0 

5.8 

4.5

4.4 

3.4 

3.8 

5.2 

3.5 

2.6

Fluoride 

(F)

0.2 

.2

Nitrate 

(NO,)

0.0 

.2

Boron 

(B)

0.03 

.01 

.03 

. 12 

.04 

.06

.02 

.02 

.07 

.02 

.02 

.07
SAN JQftQUIW RIVER BASIN Continued 

SAN JOAQUIN RIVER NEAR BIOLA, CALIF.

LOCATION. At Skaggs Bridge, 1..9 miles upstream from ,gaging station, amd about 2.5 miles northwest 

DRAINAGE AREA. 1,805 square miles .(Shove gaging station).

RECORDS AVAILABLE. Chemical analyses: November 1952 to September 195.5..

Water temperatures: November 1952 to September 1955. 

EXTREMES, 1954-55. Dissolved solids.: Maximum, 96 ppm Jan. 21-31; minimum, 41 ppmUov. 26-30.

Hardness: Maximum, 42 ppm Feb. :21-28; minimum, 12 ppm Nov. 26-30.

Specific conductance: Maximum daily, 147 micromhos Feb. 23; minimum daily, 44.7 micromhos Nov. 

Water temperatures: Maximum, 94°F June ,8; minimum, 40°F Dec. '28. 

EXTREMES, 1952-55.--Dissolved solids: Maximum 117 ppm Jam. 3-10, 1953; .minimum, 34 ppm ,0ct. 11-20

Hardness: Maximum, 53 ppm .Jan. 11-13, 1953; minimum, 10 ppm Nov. 1-5, 7-10, 1952.

Specific conductance: Maximum daily, 170 micromhos Jan. 3, 1953; minimum daily, 36.1 micromhos 

Water temperatures: Maximum, 94°F June 8, 1955; minimum, 36°F¥eb. 23-24, 28, Mar. 1, 2, 1353.

REMARKS. Values reported for dissolved solids are residues on evaporation. Records of specific c

at Sacramento, Calif. Records of discharge for water year October 19.54 to September 1955 given 

point and .gaging station except during periods of heavy runoff.

Chemical analyses, in parts per million, water year -October 1954 

Date of collection

Oct. 1-10, 1954 ..

Oct. 21-31.......

Nov. 1-10. .......

Nov. 21-25 ......

Jan. 1-10, 1955.,

Jan. 21-31.......

Feb. 21-28 ......

Mar. 1-10 .......

Mar. 21-31 ......

Mean 

discharge 

(cfs)

86.4 

113 

105 

101 

109 

114 

172 

671

559 

154 

114 

113 

124 

105 

84-1

67.9 

72.8 

68.5 

70.4 

64.2 

46.9

Silica 

(SiO,)

11

11

11 

11 

12

12 

12 

13 

11

11 

15

14 

12 

13 

13 

12 

12

Iron 

(Fe)

0.03 

.03

.04 

.04 

.04

.04 . 

.06 

.08 

.07

.07 

.12

.07 

.05 

.04 

.00 

.01 

.07

Calcium 

(Ca)

5.8 

5.6

5.6 

5.6 

6.0 

6.2

4.7 

6.2 

6.7 

6.5 

7.3 

7.1 

10

10 

9.2 

11 

11 

9.9 

9.9

Magnesium 

(Mg)

1.2 

1.2

1.3 

1.2 

1.1 

1.3

.5 

1.1 

1.3 

1.7 

1.9 

2.0 

3.7

2.7 

2.7 

3.5 

2. 8 

3.2 

2.7

Sodium 

{Ma)

7.3 

6.5 

6.8 

6.6 

6.6 

6.6 

6.8 

4.2

4.3 

6.6 

7.1 

7.1 

8.1 

8.2 

13

13 

11 

12 

12 

12 

13

Potassium 

(K)

1.5 

1.5

1.2 

1.1 

1.3 

1.3 

1.0

.9 

1.2 

1.5 

1.5

1.4 

2.5

2.0 

1.9 

2.0 

1.8 

1.8 

2.0

Bicarbonate 

(HCO,)

36 

29 

35 

34 

35 

34 

36 

21

24 

34 

36 

37

42 

59

57 

55 

62 

62 

61 

60

Sulfate 

(SO,)

1.8 

6.0

2.0 

1.9 

1.9 

2.3

1.3 

1.4 

2.1 

2.3 

3.0

3. 9

e!s

5.7 

4.8 

6.0 

5.6 

5.0 

4.9

Chloride 

(Cl)

4.0 

3.5

3.8 

3.8 

3.2 

3.5 

2.5

2.5 

3.5 

4.0 

4.8

5.2 

7.8

7.5 

7.5 

8.0 

8.8 

7.8 

8.0

Fluoride 

(F)

0.4 

.4

.3 

.3 

.3

.3 

.3 

.4 

.3

.3 

.5

.5 

.2 

.3 

.1 

.1 

.1

Nitrate 

<MO.)

iO.6 

.5

1.0 

1.0 

1.0 

1.2 

.9

.7 

1.3 

1.2 

1.2

.8 

2.7

1.4 

1.3 

1.2 

.8 

.7 

1.0

Boron 

(B)

0.03 

.03

.04 

.03 

.05

.06 

.03 

.00 

.03

.02 

.04

.06 

.05 

.05 

.04 

.04 

.!>
Apr. 1-10, 1955..

July 21-31 .......

Aug. 11-20 ......

Sept. 11-20 ......

Sept. 21-30 ......

Weighted average b

95.3 

105 

88.2 

85.7 

93 5 

SS.9 

102

92.8 

101 

114 

120 

112 

96.5 

86

118 

118 

108 

94.7 

102 

86.8

119

13

10 

9.5 

8.9 

12 

.10

12 

.13 

9.5 

7.9 

10 

9.3 

10

12 

12 

12 

12 

11 

12

ell

.07

.03 

.02 

.03 

.03 

.00

.03 

.01 

.07 

.06 

.08 

.03

.05 

.02 

.04 

.03 

.06 

.04

cO.04

7.0 

6.6 

7.6 

7.8 

6.8 

7.2 

7.9

6.3 

5.6 

5.3 

5.8 

5.7 

5.7 

6.6

6.0 

5.6 

6.0 

6.0 

6.4 

6.2

6.3

2.1 

1.8 

.7 

1.1 

1.7 

2.2 

.8

1.5 

1.7 

1.9 

1.3 

1.4 

1.4 

2.1

1.0 

1.1 

1.0 

1.0 

1.1 

1.5

1.4

8.9 

8.0 

7.9 

8.8 

8.7 

9.2 

8.2

8.0 

7.7 

7.1 

6.9 

7.2 

7.2 

7.4

7.6 

7.4 

7.8 

7.4 

7.7 

8.0

7.3

1.6

1.7 

1.9 

1.9 

1.7 

1.3

1.4 

1.2 

1.6 

1.6 

1.9 

1.8 

1.1

1.7 

1.4 

1.6 

1.7 

1.6 

1.3

1.4

43 

39 

38 

41 

41 

43 

37

37 

36 

35 

35 

34 

34 

39

34 

34 

34 

34 

37 

39

36

3.2

2.9 

3.2 

2.2 

4.5 

3.0

2.3 

2.6 

3.3 

3.0 

2.1 

2.2 

2.7

2.0 

2.0 

2.0 

2.0 

3.0 

3.0

2.7

6.8

5.8 

6.0 

6.8 

6.8 

5.8

5.8 

5.0 

4.2 

3.9 

5.8 

5.5 

5.0

5.5 

5.5 

6.2 

6.0 

5.2 

4.8

4.8

.1

.1 

.2 

.2 

.0 

.0

.0 

.0 

.2 

.2 

.2 

.2 

.2

.2 

.1 

.1 

.1 

.2 

.1

cO.2

.8

.8 

.9 

.6 

.8 

.7

.7 

.5 

.8 

.8 

.8 

1.0 

.3

1.1 

.8 

.9 

.8 

.4 

.2

0.9

.09

.07 

.03 

.06 

.06 

.04

.05 

.02 

.05 

.05 

.03 

.09 

.03

.04 

.03 

.09 

.02 

.09 

.01

cO.05

a Not included in weighted average computations, 

b Represents 100 percent of runoff for water year October 1954 to September 1955. 

c Represent^ 90 percent of runoff for water year October 1954 to September 1955.
PACIFIC SLOPE BASINS IN CALIFORNIA

SAN JOAQUIN RIVER BASIN--Continued 

SAN JOAQUIN RIVER NEAR BIOLA, CALIF. Continued

Temperature (°f) of water, water year October 1954 to September 1955 

/Once-daily measurement, approximately between 3 p. m. and 5 p. mj

Day

1

2

3

4

5

6

7

8

9

10

11

12

13

14

15

16

17

18

19

20

21

22

23

24

25

26

27

28

29

30

31

Average

Oct.

75

73

72

73

74

72

70

7C

67

71

73

73

74

76

72

74

71

74

72

74

74

66

65

63

66

64

63

64

65

61

70

Nov.

63

60

50

60

61

62

62

56

63

57

68

62

60

59

56

59

56

57

55

--

56

53

53

53

50

50

52

52

51

50

--

57

Dec.

_

58

58

56

56

55

50

50

52

51

54

49

50

__

51

48

48

46

45

44

--

45

47

47

46

40

45

45

49

49

Jan.

50

51

47

45

--

46

48

44

48

50

47

46

45

45

50

45

49

49

50

46

51

-_

48

50

48

46

44

49

55

48

Feb.

55

51

48

51

50

51

54

56

57

56

57

60

60

58

63

__

58

55

56

55

57

59

58

60

59

53

54

54

._

--

--

56

Mar.

60

60

63

62

62

65

68

68

68

64

69

68

67

64

60

64

66

66

65

61

66

68

65

67

70

67

68

65

62

71

65

Apr.

68

61

61

62

67

72

72

__

_

67

65

68

67

68

55

68

61

61

66

65

59

70

66

71

58

68

70

71

70

60

--

66

May

_

70

75

76

75

65

72

76

85

83

85

75

71

76

75

78

84

88

87

86

81

80

80

82

80

88

90

80

--

79

June

80

82

87

87

--

92

89

94

86

85

85

85

_

82

82

..

86

_

81

--

86

82

76

82

84

80

85

76

80

81

--

84

July

67

75

80

82

82

80

83

85

78

86

88

91

81

91

90

..

83

86

83

88

86

86

86

83

78

84

90

91

--

84

Aug.

83

__

87

87

75

86

83

84

83

84

85

_

__

87

86

82

87

_

86

84

85

84

84

81

78

78

82

82

78

85

83

Sept.

84

78

91

89

87

85

85

91

85

-

75

_

__

--

77

78

75

78

78

78

78

78

74

76

62

67

72

72

75

79
SAN JOAQUIN RIVER BASIN--Continued 

SAN JOAQUIN RIVER NEAR MENDOTA, CALIF.

LOCATION. At site of former gaging station 2.5 miles-downstream from Mendota Dam and 4 miles nor

DRAINAGE AREA. 4,310 square miles.

RECORDS AVAILABLE.--Chemical analyses: October 1953 to September 1955.

REMARKS. Values reported for dissolved solids are sums of determined constituents. No discharge 

Chemical analyses, In parts per million, water year October 1954 to 

Date of collection

Oct. 14, 1954 .....

Jan. 12, 1955 .....

Mar. 10 ..........

Sept. 12 ..........

Mean 

discharge 

(cfs)

Silica 

(Si02)

21

31 

19

Iron 

(Fe)

0.15

Calcium 

(Ca)

40 

40 

4.7 

7.7 

13 

35

30 

27 

23 

19 

21 

22

Magnesium 

(Mg)

20 

18 

1.0 

1.3 

4.3 

17

1.5 

17 

9.0 

8.7 

12 

15

Sodium 

(Na)

92 

88 

4.6 

8.3 

18 

77

54 

59 

42 

31 

48 

70

Potassium 

(K)

3.4 

4.0 

.9 

.9 

1.6 

2. 8

2.7 

3.2 

2.5 

3.0 

2.9 

3.4

Bicarbonate 

(HC03 )

152 

140 

26 

39 

68 

100

100 

114 

82 

76 

95 

102

Sulfate 

(S04 )

52 

40

Chloride 

(Cl)

134 

125 

3.5 

5.2 

17 

104

76 

81 

60 

31 

73 

106

Fluoride 

(F)

0.3 

.2

Nitrate 

(N03 )

1.0 

.9

Boron 

(B)

0.23 

.28 

.02 

.17 

.02 

.38

.17 

.18 

.17 

.16 

.09 

.18
SAN JOAQUIN RIVER BASIN--Continued 

SAN JOAQUIN RIVER NEAR DOS PALOS, CALIF.

LOCATION. At site of former gaging station 0.7 mile downstream from Temple Slough and 7 miles eas

DRAINAGE AREA. 5,630 square miles.

RECORDS AVAILABLE. Chemical analyses: October 1953 to September 1955.

REMARKS. Values reported for dissolved solids are sums of determined constituents. No discharge 

Chemical analyses, in parts per million, water 3

Date of collection

Oct. 15, 1954 .....

Dec. 9 ...........

Jan. 12, 1955 .....

Mar. 10 ..........

May 9 ............

July 14 ...........

July 27 ...........

Aug. -16. ..........

Sept. 12 ..........

Discharge 

(cfs)

Silica 

(Si02)

20

19

17 

17

Iron 

(Fe)

0.01

Calcium 

(Ca)

37 

38 

6.7 

12 

17 

32

29 

33 

26 

26 

19 

22 

25

Magnesium 

(Mg)

16 

18 

2.1 

2.8 

6.2 

14

1.7 

13 

10 

10 

10 

12 

15

Sodium 

(Na)

82 

84 

8.9 

18 

31 

71

57 

58 

45 

38 

32 

54 

73

Potassium 

(K)

3.4 

3.9 

1.1 

1.1 

1.9 

2. 8

2.9 

3.0 

2.5 

2. 8 

2.1 

2.9 

3.3

Bicarbonate 

(HCO,)

140 

136 

35 

53 

79 

96

100 

115 

92 

94 

93 

101 

106

Sulfate 

(S04 )

55

31 

43

Chloride 

(Cl)

114 

20 

9.0 

19 

35 

94

80 

80 

65 

47 

40 

73 

110

rear October 1954 to 

Fluoride 

(F)

0.4

.2

.1

Nitrate 

(NO,)

1.2

.7 

.6

Boron 

(B)

0.20 

.28 

.00 

.16 

.04 

.34

.16 

.21 

.13 

.16 

.09 

.10 

.18
SAN JOAQUIN RIVER BASIN Continued 

BEAR CREEK NEAR STEVINSON, CALIF.

RECORDSNe 

KMAWlra

REMARKS

NAVAnAmFe ^h«^ f^ging station 1 mile above confluence with San Joaquin River and 4.5 

AVAILABLE. Chemical analyses: October 1953 to September 1955 

. Values reported for dissolved solids are sums of determined constituents. No discharge 

Chemical analyses, in parts per million, water year October 1954 

Date of collection

Oct. 15, 1954 ..... 

Nov. 12 ..........

Dec. 7............

Jan. 12, 1955 ..... 

Feb. 8 ...........

May 18 ...........

July 12 ...........

July 28 ...........

Sept. 15 ..........

Discharge

(cfs)

Silica. 

(Si02)

28

20

28 

31

Iron 

(Fe)

0.00 

.07

Calcium 

(Ca)

36 

24 

36 

23 

32 

42

52 

51 

48 

38 

32 

35 

44

Magnesium 

(Mg)

18 

9.8 

16 

9.4 

12 

16

18 

19 

17 

25 

17 

18 

18

Sodium 

(Na)

158 

37 

131 

45 

55 

78

120 

106 

98 

146 

185 

196 

223

Potassium 

(KJ

2.4 

4.8 

4.2 

3.9 

3.4 

3.9

4.6 

4.4 

4.2 

5.4 

4.0 

3.2 

4.0

Bicarbonate 

(HCO,)

a 318 

b!58 

262 

162 

184 

173

181 

204 

214 

207 

271 

241 

253

Sulfate 

(S04)

89

59 

76

Chloride 

(Cl)

135 

27 

114 

25 

46 

89

171 

130 

122 

195 

186 

228 

276

Fluoride 

(F)

0.4

.4 

.6

Nitrate 

(NO,)

1.1

2.3 

1.1

Boron 

(B)

0.0

.0

.1

.2

.0

.27

.19 

.29 

.3

.1

.17 

.1

.23

a Includes equivalent of 8 parts per million of carbonate (CO,), 

b Includes equivalent of 2 parts per million of carbonate (CO,).
SAN JOAQUIN RIVER BASIN--Continued 

SAN JOAQUIN RIVER AT FREMONT FORD BRIDGE, CA

LOCATION.--At gaging station at Fremont Ford highway bridge, Merced County, in Orestimba Grant, 2

west of Stevinson, and 6.7 miles upstream from Merced River. 

DRAINAGE AREA. 8,090 square miles, approximately. 

RECORDS AVAILABLE. Chemical analyses: July to September 1955.

Water temperatures: July to September 1955. 

REMARKS. Values reported for dissolved solids are residues on evaporation. Daily samples for ch

specific conductance of daily samples available in district office at Sacramento, Calif. Reco

September 1955 given in WSP 1395.

Chemical analyses, in parts per million, July to Septembe

Date of collection

July 1-10,1955 ...

Aug. 1-10........

Sept. 21-30. ......

Discharge 

(cfs)

148 

132 

125 

112 

114

112 

122 

125 

144 

131 

81.2

Silica 

(S102)

28 

28 

30 

30 

24

29 

27 

27 

30 

30 

29

Iron 

(Fe)

0.07 

.09 

.05 

.01

.01 

.03 

.01 

.01 

.01 

.01

Calcium 

(Ca)

57 

58 

56 

59 

59

55 

55 

53 

52 

56 

72

Magnesium 

(Mg)

27 

27 

26 

28 

27

26 

26 

25 

24 

27 

35

Sodium 

(Na)

146 

144 

135 

146 

148

136 

138 

135 

130 

152 

214

Potassium 

(K)

5.4 

4.6 

3.8 

3.8 

4.0

4.4 

5.0 

4.4 

5.0 

5.0 

5.2

Bicarbonate 

(HCO,)

184 

184 

182 

185 

186

182 

180 

174 

b!74 

c!87 

197

Sulfate 

(SO,)

117 

116 

111 

118 

119

107 

107 

102 

96 

106 

155

Chloride 

(CD

204 

206 

196 

218 

215

197 

203 

199 

196 

229 

324

Fluoride 

(F)

0.4 

.4 

.4 

.3 

.4

.3 

.3 

.3 

.3 

.3 

.3

Nitrate 

(N03)

3.8 

4.2 

6.1 

5.2 

1.0

5.8 

3.9 

4.9 

5.5 

4.2 

5.0

Boron 

(B)

0.24 

.34 

.34 

.38 

.29

.41 

.33 

.25 

.39 

32 

.40

a Sum of determined constituents.

b Includes equivalent of 2 parts per million of carbonate (COS ).

c Includes equivalent of 3 parts per million of carbonate (CO,).

Temperature (°F) of water, July to September 1

/Once-daily measurement at approximately 10 p. m

Day

1 

2 

3 

4 

5 

6

July

71 

72 

73 

70 

70 

69

Aug.

75 

76 

78 

78 

75 

74

Sept.

73 

74 

76 

76 

75 

74

Day

7 

8 

9 

10 

11 

12

July

70 

71 

72 

70 

74 

75

Aug.

77 

78 

77 

75 

75 

74

Sept.

72 

71 

72 

71 

72 

73

Day

13

14 

15 

16 

17 

18

July

77 

79 

79 

75 

71 

70

Aug.

75 

73 

73 

71 

71 

72

Sept.

73 

70 

69

63 

65

Day

19 

20 

21 

22 

23 

24

Average ................................................................................
SAN JOAQUIN RIVER BASIN--Continued 

MERCED RIVER AT EXCHEQUER, CALIF.

£ LOCATION. At gaging station at Exchequer, Mariposa County, 0.65 mile downstream from Lake McClure 

5 DRAINAGE AREA. 1,035 square miles.

N RECORDS AVAILABLE.--Chemical analyses: October 1953 to September 1955.

° REMARKS. Values reported for dissolved solids are sums of determined constituents. Records of d

i given in WSP 1395.

Chemical analyses, in parts per million, water year October 1954 t

Date of collection

Oct: 12, 1954.... .

Jan. 13, 1955 .....

Sent. 15 ..........

Discharge 

(cfs)

80 

58 

49 

50 

52 

49

1,500 

514 

1,750 

1,740 

1,630 

59

Silica 

(Si02)

16 

10

Iron 

(Fe)

0.05

Calcium 

(Ca)

20 

21 

17 

15 

16 

16

5.4 

3.9 

4.5 

3.4 

3.4 

17

Magnesium 

(Mg)

3.1

4.5 

3.3 

3.9 

4.5 

4.2

3.2 

2.7 

.1 

.6 

.4 

3.3

Sodium 

(Na)

3.7 

4.0 

4.1 

4.6 

5.6 

4.3

3.2 

2.6 

2.1 

2.9 

2.5 

3.4

Potassium 

(K)

1.3 

1.5 

1.6 

1.5 

1.0 

1.1

.7 

.5 

.6 

.9 

.5 

1.1

Bicarbonate 

(HCOS)

74 

83 

60 

58 

63 

60

34 

28 

18 

9 

15 

66

Sulfate 

(S04 )

2.8 

5.8

Chloride 

(Cl)

3.8 

5.2 

3.5 

4.8 

5.0 

4.0

2.8 

.8 

1.2 

.8 

.0 

1.8

Fluoride 

(F)

0.1 

.2

Nitrate 

(NO,)

0.1 

.9

Boron 

(B)

0.24 

.04 

.00 

.00 

.01 

.00

.01 

.02 

.02 

.03 

.00 

.04
228 PACIFIC SLOPE BASINS IN CALIFORNIA

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SAN JOAQUIN RIVER BASIN Continued 

T. I. D. DRAINAGE DITCH NEAR TURLOCK, CALI

LOCATION. At old bridge 0.5 mile below gaging station and junction of Turlock Irrigation Distric

about 9 miles southwest of Turlock, Stanislaus County. 

RECORDS AVAILABLE. Chemical analyses: June to September 1955.

Water temperatures: July to September 1955. 

REMARKS. Values reported for dissolved solids are residues on evaporation. Daily samples for ch

specific conductance of daily samples available in district office at Sacramento, Calif. Gagi

District. Discharge records furnished by Turlock Irrigation District.

Chemical analyses, In parts per million, June to Septembe

Date of collection

June 27, 1955.....

July 6-20.........

July 22-27...... ..

July 28-31........

Aug. 1-6 .........

Aug. 13-31 .......

Sept. 14-30.......

Discharge 

(cfs)

24 

22 

15 

28 

17

23 

45 

22 

27 

24 

27 

30 

30

Silica

(sicy

33 

32 

35 

29 

34

28 

24 

30 

28 

33 

26 

32 

36

Iron 

(Fe)

0.13 

.11 

.09 

.11 

.08

.14

.05 

.09 

.12 

.15 

.09 

.03

Calcium 

(Ca)

27 

25 

33 

22 

30

23 

16 

27 

22 

28 

19 

24 

28

Magnesium 

(Mg)

7.4 

6.0 

9.1 

6.1 

8.0

6.2 

4.6 

7.7 

5.9 

7.8 

5.0 

6.6 

7.5

Sodium 

(Na)

78 

102 

84 

152 

76 

119

80 

45 

114 

73 

104 

64 

89 

104

Potassium 

(K)

4.6 

4.8 

6.2 

4.4 

3.8

5.2 

4.3 

3.4 

4.1 

3.6 

3.9 

4.2 

4.0

Bicarbonate 

(HCO,)

136 

222 

184 

a 304 

168 

244

175 

113 

248 

167 

206 

138 

200 

b214

Sulfate 

(S04 )

11 

10

10 

13

9.0 

4.0 

12 

10 

13 

9.0 

7.0 

13

Chloride 

(Cl)

84 

97 

78 

129 

70 

105

74 

46 

98 

70 

105 

62 

77 

95

Fluoride 

(F)

0.3 

.2

.2

.3 

.4 

.4 

.3 

.4 

.4 

.3 

.3

Nitrate 

(NO,)

1.2 

1.2 

1.0 

1.5 

1.7

1.5 

1.7 

1.5 

2.1 

.8 

.5 

1.7 

2.5

Boron 

(B)

0.10 

.14 

.22 

.19 

.17

.15 

.28 

.35 

.14 

.20 

.25 

.23 

.12

Includes equivalent of 5 parts per million of carbonate (CO,). 

Includes equivalent of 4 parts per million of carbonate (CO3).

Temperature (°F) of water, July to September 19

/Once-daily measurement approximately between 1 p. m. a

Day

1

2

3

4

5

6

July

72

74

73

70

76

68

Average

Aug.

80

78

80

77

73

76

Sept.

74

81

78

84

78

75

Day

7

8

9

10

11

12

July

71

76

74

72

74

77

Aug.

80

80

78

76

78

70

Sept.

78

75

78

74

-.

84

Day

13

14

15

16

17

18

July

75

76

80

78

78

78

Aug.

79

77

75

75

77

75

Sept.

79

75

76

73

75

71

Day

19

20

21

22

23

24
SAN JOAQUIN RIVER BASIN Continued 

SAN JOAQUIN RIVER NEAR GRAYSON, CALIF.

LOCATION. At gaging station at Laird Slough Bridge 1.8 miles east of Grayson, Stanislaus County, 

and 14 miles southwest of Modesto.

RECORDS AVAILABLE.--Chemical analyses: October 1953 to September 1955.

REMARKS.--Values reported for dissolved solids are sums of determined constituents. Gaging statio

cooperation with the State of California Division of Water Resources, Modesto Irrigation Distri

charge for water year October 1954 to September 1955 given in Report of Sacramento-San Joaquin 

Joaquin Water Supervision for 1955 as San Joaquin River at Grayson (Laird Slough). Flow is San 

to San Joaquin River main channel 2.1 miles downstream.

Chemical analyses, in parts per million, water year October 1954 t

Date of collection

Oct. 15, 1954 ..... 

Nov. 12 ..........

Jan. 13, 1955 .....

Mar. 7 ...........

Apr. 11 ..........

Aug. 15 ..........

Aog. 2-16 ........

Sept. 16 ..........

Sept. 16-30 .......

Discharge 

(cfs)

310 

300 

330 

780 

680

510 

500 

760 

600 

240

260 

295

Silica 

(Si02)

21 

18

23 

21 

25 

24 

27

Iron 

(Fe)

0.07

Calcium 

(Ca)

60 

57 

55 

39 

53

56 

47 

39 

52 

56 

58

41 

51 

61 

49 

53 

58

Magnesium 

(Big)

26 

33 

32 

17 

28

35 

23 

18 

25 

32 

23

28 

36 

24 

26 

27 

26

Sodium 

(Na)

168 

162 

154 

104 

154

176 

133 

95 

135 

148 

146

124 

142 

130 

133 

144 

140

Potassium 

(K)

3.6 

3.4 

3.6 

4.6 

3.6

4.0 

4.4 

3.4 

4.2 

4.2 

4.0

3.2 

3.6 

3.4 

3.2 

3.4 

3.8

Bicarbonate 

(HCO,)

201 

a 200 

184 

175 

200

194 

178 

158 

190 

201 

189

191 

197 

197 

186 

199 

199

Sulfate 

(S04)

82 

129

135 

123 

112 

121 

123

Chloride 

(Cl)

216 

212 

207 

116 

174

218 

177 

114 

176 

191 

182

159 

198 

179 

172 

184 

193

Fluoride 

(F)

0.4 

.2

.3 

.2 

.4 

.4 

.4

Nitrate 

(NO,)

2.8 

1.4

4.9 

3.8 

3.6 

1.2 

1.8

Boron 

(B)

0.29 

.37 

.35 

.31 

.45

.40 

.32 

.22 

.38 

.38 

.42

.41 

.33 

.25 

.38 

.36 

.26

a Includes equivalent of 6 parts per million of carbonate ( 03).
SAN JOAQUIN RIVER BASIN Continued 

TUOLUMNE RIVER AT LA GRANGE, CALIF.

LOCATION. At gaging station on upstream side of bridge in town of La Grange, Stanislaus County, 

RECORDS AVAILABLE.--Chemical analyses: October 1954 to September 1955.

REMARKS. Values reported for dissolved solids are sums of determined constituents. Gaging stati

Division of Water Resources. Records of discharge for water year October 1954 to September 19

for 1954 and Report of Sacramento-San Joaquin Water Supervision for 1955.

Chemical analyses, In parts per million, water year October 1954 t

Date of collection

Oct. 12, 1954.... .

Jan. 13, 1955 .....

Mar. 11 ..........

July 12 ...........

Sept. 15 ..........

Discharge 

(cfs)

a 149 

406 

566 

582 

1,690 

582

44 

39 

22 

8.6 

23 

20

Silica 

(Si02)

7.7

19 

7.0

Iron 

(Fe)

0.01

Calcium 

(Ca)

5.0 

4.5 

4.9 

5.7 

5.3 

5.5

2.6 

1.6 

5.3 

4.0 

3.8 

4.5

Magnesium 

(Mg)

1.6 

.2 

.8 

1.8 

2.1 

2.0

3.2 

3.4 

1.9 

1.5 

1.3 

.9

Sodium 

(Na)

1.9 

1.4 

1.8 

2.3 

2.4 

2.4

2.4 

2. 6 

2.2 

2.8 

1.7 

1.4

Potassium 

(K)

0.7 

.7 

.6 

.5 

.5 

.7

.6 

.7 

.5 

.7 

.3 

.5

Bicarbonate 

(HC03 )

26 

18 

21 

27 

29 

25

27 

26 

27 

23 

21 

21

Sulfate 

(S04 )

3.0 

.6

Chloride 

(Cl)

0.8 

.8 

1.5 

1.2 

1.5 

1.0

1.0 

.5 

.5 

1.2 

.5 

.0

Fluoride 

(F)

0.1 

.1

Nitrate 

(NO,)

0.2 

.0

Boron 

(B)

0.00 

.02 

.15 

.00 

.00 

.03

.02 

.00 

.00 

.04 

.00 

.00

a Daily mean discharge (cfs).
SAN JOAQUIN RIVER BASIN Cent inued 

TUOLUMNE RIVER AT HICKMAN, CALIF.

LOCATION. At gaging station about 0.6 mile south of Waterford and 1 mile north of Hickman, Stanis

RECORDS AVAILABLE. Chemical analyses: October 1953 to September 1955.

REMARKS. Values reported for dissolved solids are sums of determined constituents. Gaging statio

Division of Water Resources. Records of discharge for water year October 1954 to September 195

Supervision for 1954 and Report of Sacramento-San Joaquin Water Supervision for 1955 as Tuolumn

Chemical analyses, in parts per million, water year October 1954 to 

Date of collection

Oct. 12, 1954 .....

Dec. 10 ..........

Jan. 13, 1955 .....

July 12 ...........

Sept. 15 ..........

Discharge 

(cfs)

108 

590 

622 

665 

2,860 

494

110 

a!25 

86 

81 

88 

90

Silica 

(SiOz)

50

40 

55

Iron 

(Fe)

0.04

Calcium 

(Ca)

32 

8.4 

8.7 

11 

7.8 

8.8

27 

29 

30 

32 

30 

32

Magnesium 

(Mg)

9.5 

2.2 

2.6 

2.8 

2.8 

3.9

12 

9.6 

11 

12 

11 

11

Sodium 

(Na)

57 

8.7 

9.5 

11 

5.8 

9.4

52 

51 

53 

65 

59 

57

Potassium 

(K)

5.3 

1.4 

1.4 

1.3 

.9 

1.3

4.9 

4.9 

5.2 

6.8 

5.8 

5.9

Bicarbonate 

(HCOa)

106 

34 

34 

32 

37 

39

104 

104 

106 

110 

110 

107

Sulfate 

(S04)

3.0 

3.6

Chloride 

(Cl)

112 

16 

18 

20 

7.8 

15

106 

100 

104 

132 

115 

118

Fluoride 

(F)

0.2 

.1

Nitrate 

(NO,)

0.6 

.7

Boron 

(B)

0.06 

.00 

.01 

.00 

.00 

.02

.06 

.10 

.12 

.16 

.07 

.13

a Daily mean discharge (cfs).
SAN JOAQUIN RIVER BASIN Continued 

TUOLUMNE RIVER AT TUOLUMNE CITY, CALIF.

LOCATION .--At gaging station at downstream side of bridge at Tuolumne City, Stanislaus County, and 

RECORDS AVAILABLE. Chemical analyses: October 1953 to September 1955.

REMARKS. Values reported for dissolved solids are sums of determined constituents. Gaging statio

in cooperation with the State of California Division of Water Resources. Records of discharge 

in Report of Sacramento-San Joaquin Water Supervision for 1954 and Report of Sacramento-San Joa

Chemical analyses, in parts per million, water year October 1954 to 

Date of collection

Oct. 15, 1954.....

Dec. 7 ...........

Jan. 13, 1955.....

Apr. 14 ..........

Sept. 16 ..........

Discharge 

(cfs)

a 464 

a 692 

a 660 

a 998 

1,160 

731

a307 

238 

262 

218 

a250 

233 

233

Silica 

(SiO,)

57

39 

44

Iron 

(Fe)

0.03 

.03

Calcium 

(Ca)

45 

24 

32 

21 

20 

22

49 

47 

42 

45 

46 

44 

45

Magnesium 

(Mg)

11 

6.8 

8.8 

6.0 

6.8 

6.3

17 

16 

15 

14 

14 

14 

15

Sodium 

(Na)

74 

38 

52 

32 

32 

36

95 

95 

80 

80 

85 

72 

85

Potassium 

(K)

6.8 

4.0 

5.3 

3.1 

2.3 

2.9

7.4 

7.8 

6.6 

6.3 

6.0 

5.4 

5.8

Bicarbonate 

(HCO,)

145 

73 

94 

64 

66 

67

152 

142 

155 

157 

166 

159 

173

Sulfate 

(S04 )

8.1

8.7 

9.0

Chloride 

(Cl)

141

78 

105 

63 

62 

72

195 

186 

151 

150 

154 

146 

151

Fluoride 

(F)

0.3

.3 

.2

Nitrate 

(NOS )

2.5

4.9 

1.0

Boron 

(B)

0.06 

.08 

.08 

.19 

.03 

.07

.10 

.12 

.15 

.12 

. 12 

.12 

.12

a Daily mean discharge.
SAN JOAQUIN RIVER BASIN--Continued 

SAN JOAQUIN RIVER AT MAZE ROAD BRIDGE, NEAR MODEST

LOCATION. At downstream side of Maze Road Bridge, 0.2 mile below gaging station at Hetch Hetchy C

and 12 miles west of Modesto, Stanislaus County.

RECORDS AVAILABLE.--Chemical analyses: October 1953 to September 1955. 

REMARKS. Values reported for dissolved solids are SIMS of determined constituents. Gaging statio

in cooperation with the State of California Division of Water Resources. Discharge records for 

year October 1954 to September 1955 given in Report of Sacramento-San Joaquin Water Supervision 

Supervision for 1955.

Chemical analyses, in parts per million, water year October 1954 t

Date of collection

Oct. 14, 1954 .....

Jan. 13, 1955 .....

Discharge

(cfs)

770 

1,030 

1,010 

1,840 

2,160 

1,340

520 

450 

300 

420 

490

Silica 

(Si02)

26 

33

Iron 

(Fe)

0.01 

.03

Calcium 

(Ca)

56 

35 

41 

28 

26 

33

54 

59 

53 

54 

52 

58

Magnesium

(MB)

19 

15 

19 

11 

13 

16

25 

24 

21 

22 

24 

21

Sodium 

(Na)

135 

120 

79 

93 

64 

64 

79

124 

130 

107 

114 

114 

116

Potassium 

(K)

5.0 

3.6 

5.1 

3.5 

2.2 

3.2

6.0 

6.2 

6.6 

6.8 

5.0 

5.8

Bicarbonate 

(HCO,)

189 

178 

115 

128 

110 

94 

108

188 

178 

169 

189 

187 

194

Sulfate 

(S04 )

75 

48

Chloride 

(Cl)

228 

192 

126 

130 

81 

86 

112

213 

216 

199 

198 

191 

187

Fluoride 

(F)

0.3

.4

Nitrate 

(N03 )

4.5 

2.8-

Boron 

(B)

0.25 

.15 

.20 

.07 

.17 

.28

.29 

.27 

.31 

.30 

.38 

.28
SAN JOAQUIN RIVER BASIN Continued 

STANISLAUS RIVER NEAR MOUTH, NEAR VERNALIS, 

LOCATION.--At gaging station 2.9 miles above mouth, Stanislaus County, and about 6 miles northeas

RECORDS AVAILABLE. Chemical analyses: October 1953 to September 1955.

REMARKS. Values reported for dissolved solids are sums of determined constituents. Gaging stati

of Water Resources. Records of discharge for water year October 1954 to September 1955 given 

1954 and Report of Sacramento-San Joaquin Water Supervision for 1955.

Chemical analyses, in parts per million, water year October 1954 

Date of collection

Oct. 15, 1954. .... 

Nov. 12 ..........

Dec . 7 ...........

Jan. 13, 1955 .....

Mar. 15......... .

July 15 ...........

Sept. 16..........

Discharge 

(cfs)

103 

215 

445 

a 686 

850 

968

82 

83 

593 

43 

66 

28 

41

Silica 

(Si02)

31

24 

36

Iron 

(Fe)

0.00 

.03

Calcium 

(Ca)

26 

23 

17 

17 

12 

11

22 

25 

9 3 

26 

24 

26 

25

Magnesium 

(Mg)

8.9 

8.7 

6.7 

6.6 

4.6 

4.0

11 

8.9 

3.8 

10 

11 

10 

10

Sodium 

(Na)

15 

13 

8.1 

6.6 

4.6 

4.4

15 

14 

4.2 

17 

17 

16 

16

Potassium 

(K)

2.3 

2.6 

3.4 

1.7 

1.1 

1.1

2.5 

2.5 

1.1 

2.8 

2.5 

2.3 

2.3

Bicarbonate 

(HCO,)

142 

125 

83 

75 

59 

54

144 

133 

54 

144 

146 

153 

149

Sulfate 

(S04)

9.2

7.5 

9.0

Chloride 

(Cl)

9.5 

7.0 

6.0 

4.2 

2.0 

2.0

8.1 

9.5 

1.5 

9.2 

9.8 

7.5 

8 . 2

Fluoride 

(F)

0.0

.0 

.1

Nitrate 

(N03 )

1.6

.2 

1.6

Boron 

(B)

0.0

.0

.0

.0

.0

.0

.0

.0

.0

.0

.0

.0

.0

a Daily mean discharge.
SAN JOAQUIN RIVER BASIN Continued 

SAN JOAQUIN RIVER NEAR VERNALIS, CALIF

LOCATION. At gaging station in El Pescadero Grant, at Durham Ferry highway bridge, 3 miles downs

of Vernalis, San Joaquin County.

DRAINAGE AREA. 14,010 square miles, approximately. 

RECORDS AVAILABLE. Chemical analyses: March 1951 to September 1955.

Water temperatures: March 1951 to September 1955. 

EXTREMES, 1954-55. Dissolved solids: Maximum, 590 ppm May 21-25; minimum, 141 ppm June 1-2, 8-1

Hardness: Maximum, 222 ppm May 21-25; minimum, 51 ppm June 1-2, 8-13.

Specific conductance: Maximum daily, 1,120 micromhos Aug. 5; minimum daily, 157 micromhos June 

Water temperatures: Maximum, 75°F on several days during July to September; minimum, 42°F Jan. 

EXTREMES, 1951-55. Dissolved solids: Maximum, 633 ppm July 21-31, 1954; minimum, 54 ppm June 1-

Hardness: Maximum, 244 ppm Aug. 1-10, 1954; minimum, 23 ppm June 1-10, 1952.

Specific conductance: Maximum daily, 1,120 micromhos Aug. 5, 1955; minimum daily, 60.0 micromh

Water temperatures: Maximum, 78°F July 19, 1951, June 22, July 29, 1954; minimum, 39°F Jan. 10

REMARKS.--Values reported for dissolved solids are residues on evaporation. Records of specific 

office at Sacramento, Calif. Records of discharge for water year October 1954 to September 19

Chemical analyses, in parts per million, water year October 1954 t

Date of collection

Oct. 1-10, 1954 . . . 

Oct. 11-16. .......

Oct. 15a. .........

Nov. 11-20 .......

Nov. 12 a . ........

Dec. 1-10 ........

Dec. 21-31 .......

Jan. 1-2, 1955.....

Jan. 4-10. .........

Jan. 11, 13-18.. ... 

Jan. 13 a ..........

Jan. 12, 19-20.....

Jan. 21-24. ........

Jan. 25-31 ........

Mean 

discharge 

(cfs)

844 

904 

892 

1,188 

1,246

1,245 

1,430 

1,390 

1,482

1,647 

1,540 

2,160 

1,651

2,075 

4,020 

2,686 

2,793 

2,670 

4,047 

4,180 

3,895 

2.526

Silica 

(Si02)

35 

35

27 

29

29 

28

27

25 

24 

22 

26

20 

22 

22

23

Iron 

(Fe)

0.00 

.01

.01 

.00

.00 

.01

.00

.00 

.01 

.02 

.01

.03 

.10 

.10

.08

Calcium 

(Ca)

49 

47 

53 

35 

36

38 

36 

34 

36

32 

34 

26 

34

34 

15 

22 

25 

24 

18 

19 

20 

29

Magnesium 

(Mg)

20 

22 

20 

14 

15

15 

15 

15 

15

14 

13 

11 

13

13 

6.0 

9.5 

11 

10 

8.0 

7.9 

9.3 

13

Sodium 

(Na)

103 

100 

110 

71 

76

81 

74 

69 

73

64 

65 

50 

66

68 

23 

38 

50 

45 

33 

36 

38 

66

Potassium 

(K)

4.3 

5.0 

5.2 

4.3 

3.9

3.8 

4.0 

3.6 

3.7

3.8 

4.5 

3.6 

3.7

3.1 

3.6 

3.2

3.3

Bicarbonate 

(HCO,)

173 

171 

180 

130 

125

126 

125 

123 

121

109 

112 

96 

114

89 

106 

103

86 

121

Sulfate 

(S04 )

61 

64

46 

48

51

47

48

43 

47 

34 

42

27 

34 

32

30 

49

Chloride 

(Cl)

150 

158 

178 

103 

114

121 

110 

109 

112

97 

104 

74 

101

56 

66 

60

46 

79

Fluoride 

(F)

0.2 

.2

.2 

. 1

. 1 

. 1

. 1

.1 

.3 

.3 

.2

.1 

.3 

.4

.3

Nitrate 

(NO,)

4.0 

1.5

1.2

1.7

2.0 

2.1

2.7

2.7 

2.8 

3.0 

3.0

2.6 

3.4 

3.5

2.9 

2.8

Boron 

(B)

0.26 

.23 

.56 

.24 

.29

.33 

.21 

.15 

.24

.20 

.14 

. 17 

.20

.15 

. 10 

.01

.14 

.21

a Not included for computation of weighted analyses.
Feb. 1-10, 1955....

Feb. 11 a . .........

Feb. 21-28 ........

Mar. 1-10.........

Mar. 11-20. .......

Mar. 15 a. .........

Mar. 21-31........

Apr. 1-10 .........

Apr. 6 a . ..........

Apr. 11-20 ........

Apr. 21-30 ........

May 1-10..........

May 17 a ..........

May 26-31.........

June 1-2, 8-13.....

June 14-19. ........

June 17 a ... .......

July 1-10.. ........

July 11-20.........

July 15 a. ..........

July 21-31. ........

July 28 a. ..........

2,208

2,540

2,632

1,980

709

600

780

1,233

625

2,093

2,808

1,010

632

411

347

360

24

17

20

20

30

28

24

17

29

35

30

.03 

.00

.02

.02

.00

.06

.00

.00

.00

.00

32

26

24

46

52

12

45

57

14 

12

13

13

12

13

20

23

20

16

21

6.7

5.1 

9 3

11

17

21

22

68 

59

59

52

58

96

110

91

80

104

24

96

120

3.2 

2. 5

2.5

2.2

2.3

5.8

5.7

4.6

1.7

5.2

6.4

121 

96

97

87

95

151

160

160

139

168

51

94

156

173

180

56 

57

51

49

47

55

51

50

60

9.9

44

61

91

78

70

170

156

120

178

37

140

165

195

.3

.1

. 1

. 1

.2

.3

.2

. 1

.4

3.0

.9

3.7

3.5

3.9

.8

1.6

4.5

.21

.20

.22

.20

.21

. 12

.29

a Not included for computation of weighted analyses.
SAN JOAQUIN RIVER BASIN Continued 

SAN JOAQUIN RIVER NEAR VERNALIS, CALIF.--Cont

Chemical analyses, in parts per million, water year October 1954 to Sept

Date of collection

Aug. 1-10, 1955. . .

Aug. 21-31. .......

Sept. 1-10.... .....

Sept. 11-20. ........

Sept. 16 a . ........

Sept. 21-30 .......

Weighted average b

Mean 

discharge

(CIS)

372 

405 

463 

508

514 

629 

570 

685

1,347

Silica 

(Si02)

37 

33 

29 

33

35 

38 

32 

37

c25

Iron 

(Fe)

0.00 

.05 

.00 

.02

.03 

.01 

.01 

.01

cO. 02

Calcium 

(Ca)

52 

50 

51 

48

50 

48 

49 

51

32

Magnesium 

(Mg)

22 

21 

23 

20

20 

20 

22 

21

14

Sodium 

(Na)

101 

101 

106 

95

102 

101 

104 

106

65

Potassium 

(K)

5.2 

5.2 

4.0 

5.2

5.4 

5.0 

5.0 

5.0

d3.7

Bicarbonate 

(HCO,)

172 

174 

184 

177

180 

183 

185 

186

dllV

Sulfate 

(S04 )

45 

51 

61 

51

55 

56 

61 

63

d44

Chloride 

(Cl)

182 

170 

174 

157

160 

153 

162 

163

d99

Fluoride 

(F)

0.3 

.3 

.2 

.3

.2 

.2 

.2 

.2

cO. 2

Nitrate 

(N03 )

4.9 

3.4 

3.3 

4.4

2.6 

5.0 

4.2 

4.8

d2.4

Boron 

(B)

0.28 

.22 

.32 

.26

.19 

.24 

.24 

.26

dO.20

P

a Not included for computation of weighted analyses.

b Represents 100 percent of runoff for water year October 1954 to September 1955.

c Represents 93 percent of 

d Represents 96 percent of 
SAN JOAQUIN RIVER BASIN 

SAN JOAQUIN RIVER BASIN Continued 

SAN JOAQUIN RIVER NEAR VERNALIS, CALIF.--Continued

Temperature (*F) of water, water year October 1954 to September 1955 

/Once-daily measurement at 7:30 a. m. J

239

Day

1

2

3

4

5

6

7

8

9

10

11

12

13

14

15

16

17

18

19

20

21

22

23

24

25

26

27

28

29

30

31

Average

Oct.

62

63

63

63

62

63

64

65

64

64

65

63

65

64

64

65

65

64

63

63

62

62

62

-_

55

65

55

56

67

67

57

63

Nov.

56

57

57

57

56

56

58

58

58

58

58

56

56

56

56

55

55

55

55

54

54

53

53

50

52

52

50

53

50

47

--

55

Dec.

49

51

53

54

54

54

54

52

52

50

49

48

49

49

50

49

49

49

49

48

48

48

48

47

57

46

44

45

-_

45

46

50

Jan.

50

48

45

45

46

45

44

42

45

45

45

45

45

45

45

45

45

45

45

45

45

45

46

48

46

48

48

48

46

46

48

46

Feb.

50

46

45

45

45

48

48

48

46

48

48

46

50

53

50

54

55

48

45

45

45

__

48

46

50

50

50

48

-_

__

--

48

Mar.

48

48

50

52

50

50

52

54

55

55

58

56

55

54

50

50

50

52

54

50

51

55

55

55

60

60

62

62

60

55

58

54

Apr.

58

54

58

55

54

58

60

62

62

62

60

60

60

58

58

60

60

55

55

60

58

58

60

62

62

58

56

60

60

60

--

59

May

60

58

60

62

64

65

64

64

64

66

70

70

68

62

62

62

65

68

70

74

73

70

68

69

65

60

60

64

68

65

63

65

June

60

62

65

69

72

72

70

68

68

65

65

65

65

65

65

64

65

68

68

68

68

68

63

65

65

66

67

64

65

67

--

66

July

63

68

65

65

68

66

67

70

68

68

70

72

72

75

74

68

70

68

70

70

70

71

70

70

70

68

70

68

72

74

75

70

Aug.

72

74

75

74

73

72

74

75

74

71

72

70

71

70

70

70

69

70

70

71

71

70

72

69

69

65

68

69

69

69

70

71

Sept.

73

74

75

75

75

73

70

68

70

69

70

71

70

68

66

64

64

63

65

65

68

67

66

65

65

65

65

64

64

63

--

68
SAN JOAQUIN RIVER BASIN--Continued 

SAN JOAQUIN RIVER AT MOSSDALE, CALIF.

LOCATION. At boat landing on left bank at Mossdale Bridge at Mossdale, San Joaquin County, opposi

of Tracy.

RECORDS AVAILABLE.--Chemical analyses: October 1953 to September 1955. 

REMARKS. Values reported for dissolved solids are sums of determined constituents. Tidal gaging 

Division of Water Resources. No discharge records available for this station due to tidal effe

Chemical analyses, In parts per million, water year October 1954 to 

Date of collection

Oct. 19, 1954 .....

Jan. 19, 1955 ..... 

Feb. 21 ..........

May 17 ...........

Sept. 21 ..........

Mean 

discharge 

(cfs)

Silica 

(Si02)

24 

28

Iron 

(Fe)

0.00 

.01

Calcium 

(Ca)

37 

31 

30 

22 

28 

22

53 

54 

38 

22 

51 

56

Magnesium 

(Mg)

13 

15 

13 

7.7 

12 

21

21 

20 

17 

44 

23 

16

Sodium 

(Na)

74 

64 

57 

40 

54 

70

109 

107 

72 

106 

104 

102

Potassium 

(K)

3.6 

3.7 

3.1 

4.2 

2.2 

2.5

5.8 

5.6 

3.6 

6.0 

5.0 

4.2

Bicarbonate 

(HCOS)

125 

123 

102 

89 

91 

104

176 

170 

139 

178 

190 

181

Sulfate 

(S04 )

60 

59

Chloride 

(Cl)

110 

99 

89 

50 

71 

106

180 

178 

121 

196 

175 

159

Fluoride 

(F)

0.2 

.3

Nitrate 

(NO,)

0.6 

1.1

Boron 

(B)

0.20 

.13 

.22 

.28 

.19 

.10

.22 

.22 

.15 

.37 

.35 

.26
SAN JOAQUIN RIVER BASIN Continued 

SAN JOAQUIN RIVER AT GARWOOD BRIDGE, NEAR STOCKTON

LOCATION. At boat landing on left bank by Garwood Bridge on State Highway 4, opposite tidal gaging 

County.

RECORDS AVAILABLE.--Chemical analyses: September 1953 to September 1955. 

REMARKS. Values reported for dissolved solids are sums of determined constituents. Tidal gaging s

Bureau of Reclamation. No discharge records available for this station due to tidal effects fro

Chemical analyses, in parts per million, water year October 1954 to 

Date of collection

Oct. 19, 1954.....

Jan. 19, 1955 .....

Mar. 15....... ...

May 19 ...........

Sept. 21 ..........

Mean 

discharge 

(cfs)

Silica 

(SiOj)

21 

7.4

Iron 

(Fe)

0.01 

.02

Calcium 

(Ca)

51 

34 

28 

15 

28 

24

34 

42 

25 

18 

31 

46

Magnesium 

(Mg)

19 

17 

12 

5.4 

13 

16

15 

20 

12 

21 

14 

12

Sodium 

(Na)

109 

76 

45 

23 

58 

59

65 

82 

47 

63 

60 

84

Potassium 

(K)

4.6 

4.9 

5.5 

4.7 

2.5 

2.7

5,6 

4.8 

3.1 

5.1 

4.9 

5.9

Bicarbonate 

(HCO3 )

178 

131 

108 

66 

102 

101

159 

174 

106 

131 

182 

166

Sulfate 

(S04 )

42 

23

Chloride 

(Cl)

166 

112 

68 

26 

78 

86

90 

125 

70 

85 

90 

132

Fluoride 

(F)

0.2 

.5

Nitrate 

(NO,)

3.8 

4.3

Boron 

(B)

0.24 

.14 

.11 

.07 

.17 

.14

.22 

.22 

.21 

.16 

.14 

.27
SAN JOAQUIN RIVER BASIN Continued 

CALAVERAS RIVER AT JENNY LIND, CALIF.

kS?T TI2£ ' 7nAt gag,i= g station at bridge on Milton Road, 0.2 mile south of Jenny Lind, Calaveras Coun

DRAINAGE AREA. 395 square miles.

RECORDS AVAILABLE.-- Chemical analyses: November 1954 to August 1955.

REMARKS. --Values reported for dissolved solids are sums of determined constituents. Records of dis

given in WSP 1395 .

Chemical analyses, in parts per million, November 1954 to Aug

Date of collection

Nov. 17, 1954. .... 

Dec. 6 ...........

Jan. 18, 1955 .....

Discharge 

(cfs)

59 

169 

2,960 

93 

25

106 

111 

162 

171 

0

Silica 

(Si02)

17

Iron 

(Fe)

0.01

Calcium 

(Ca)

35 

19 

14 

25 

22

15 

23 

23 

23 

27

Magnesium 

(Mg)

11 

6.0 

5.6 

9.6

20

12 

5.5 

7.2 

8.9 

12

Sodium 

(Na)

8.4 

5.4 

5.1 

7.6 

11

6.4 

7.6 

6.2 

8.3

7.4

Potassium 

(K)

2.3 

1.9 

1.1 

1.2 

1.4

1.2 

2.9 

1.4 

2.5 

1.9

Bicarbonate 

(HCO,)

142 

69 

62 

110 

148

98 

102 

109 

108 

141

Sulfate 

(S04 )

9.6

Chloride 

(Cl)

12 

5.8 

3.0

6.0 

10

4.8 

3.5 

4.2 

5.0 

5.8

Fluoride 

(F)

0.1

Nitrate 

(NO,)

0.4

Boron 

(B)

0.12 

.10 

.10 

.03 

.04

.05 

.00 

.04 

.20 

.12
SAN JOAQUIN RIVER BASIN--Continued 

STOCKTON SHIP CHANNEL NEAR RINDGE PUMP ON RINDGE TR

LOCATION. At boat landing on right bank of ship channel just below confluence of Fourteen Mile S

northwest of Stockton.San Joaquin County.

RECORDS AVAILABLE.--Chemical analyses: October 1953 to September 1955. 

REMARKS. Values reported for dissolved solids are sums of determined constituents. Tidal gaging 

Division of Water Resources. No discharge records available for this station due to tidal effe

Chemical analyses, in parts per million, water year October 1954 to 

Date of collection

Oct. 19, 1954.....

Dec 13

Jan. 19, 1955... ..

May 19 ...........

Aug. 25 .........

Sept. 21. .........

Discharge

(efs)

Silica 

(Si02)

7.5

18 

20 

21 

19

11

6.8 

8.0 

17 

17

Iron 

(Fe)

0.16 

.37 

.02 

.04

.42 

.01 

.05 

.18 

.10

Calcium 

(Ca)

36 

38 

30 

20 

34 

33

31 

30 

22 

20 

23

Magnesium 

(Mg)

17 

20 

12 

9.0 

15 

15

14 

13 

11 

11 

13

Sodium 

(Na)

75 

86 

42 

27 

66 

66

57 

53 

38 

38 

45

Potassium 

(K)

4.5 

4.8 

3.4 

3.1 

3.1 

3.0

3.1 

3.5 

2.5 

2.2 

2.8

Bicarbonate 

(HC03 )

148 

139 

87 

77 

124 

106

112 

122 

96 

101 

110

Sulfate

(sbj

43 

26 

53 

61

43 

34 

24 

21 

25

Chloride 

(Cl)

119 

136 

68 

38 

90 

97

85 

80 

58 

55 

68

Fluoride 

(F)

0.4 

.4 

.2 

.2

.2 

.3 

.2 

.2 

.3

Nitrate 

(N03 )

10 

4.8 

3.4 

3.1

1.9 

.7 

.9 

1.2 

1.0

Boron 

(B)

0.15 

.22 

.04 

.00 

.17 

.27

.20 

.19 

.11 

.16 

.15
SAN JOAQUIN RIVER BASIN--Continued 

OLD RIVER AT SOUTH TIP OF FABIAN TRACT, NEAR TRACY, 

LOCATION. At southern tip of Fabian Tract on left bank at trash rack of pump intake at end of Larar

north of Tracy, San Joaquin County.

RECORDS AVAILABLE. Chemical analyses: October 1953 to September 1955. 

REMARKS.--Values reported for dissolved solids are sums of determined constituents. No discharge r

Chemical analyses, in parts per million, water year October 1954 to S

Date of collection

Oct. 19, 1954 

Nov. 18 ..........

Dec. 10 ..........

Jan. 20, 1955 ..... 

Feb. 21 ..........

Mar. 15..........

Apr. 15 ..........

July 19 ...........

Sept. 21 ..........

Mean 

discharge 

(cfs)

Silica 

(Si02)

18 

23

Iron 

(Fe)

0.00 

.03

Calcium 

(Ca)

57 

38 

35 

23 

33 

22

58 

50 

25 

49 

44 

56

Magnesium 

(Mg)

21 

20 

15 

9.0 

16 

19

25 

20 

12 

31 

26 

22

Sodium 

(Na)

112 

82 

68 

45 

71 

64

116 

93 

42 

112 

99 

106

Potassium 

(K)

4.6 

5.4 

4.2 

3.9 

3.0 

1.7

5.0 

4.0 

2.6 

5.0 

5.6 

5.4

Bicarbonate 

(HCO,)

185 

147 

120 

93 

107 

95

172 

169 

94 

167 

190 

199

Sulfate 

(S04 )

65 

61

Chloride 

(Cl)

176 

28 

102 

53 

95 

92

209 

150 

76 

178 

170 

174

Fluoride 

(F)

0.3 

.3

Nitrate 

(NO,)

3.7 

2.5

Boron 

(B)

0.23 

.21 

.16 

.07 

.27 

.27

.26 

.21 

. 13 

.63 

.08 

.30
SAN JOAQUIN RIVER BASIN--Continued 

DELTA-MENDOTA CANAL NEAR TRACY, CALIF.

LOCATION. On left bank 1.1 miles above gaging station near Tracy, and 9.2 miles northwest of Tra

RECORDS AVAILABLE.--Chemical analyses: October 1953 to September 1955.

REMARKS. Values reported for dissolved solids are sums of determined constituents. Records of d

October 1954 to September 1955 given in WSP 1395. No appreciable inflow between sampling poin

Chemical analyses, in parts per million, water year October 1954 to 

Date of collection

Oct. 11, 1954 

Feb. 21 ..........

Mar. 7 ..........

Apr. 11. ..........

May 9 ............

July 19 ...........

Aug. 23 ..........

Sept. 22 ..........

Discharge 

(cfs)

1,182 

392 

1,144

2,451 

1,847 

3,328 

3,137 

2,834 

1,433

Silica 

(Si02)

20 

19

Iron 

(Fe)

0.06

Calcium 

(Ca)

28 

33 

29

22 

21 

14 

14 

26 

36

Magnesium 

(Mg)

15 

16 

17

13 

11 

7.3 

10 

15 

19

Sodium 

(Na)

58 

74 

72

36 

31 

20 

26 

63 

90

Potassium 

(K)

2.8 

2.8 

2.3

2.3 

1.8 

1.5 

2.1 

3.4 

4.0

Bicarbonate 

(HC03 )

122 

107 

105

90 

89 

54 

73 

114 

140

Sulfate 

(S04 )

31 

50

Chloride 

(Cl)

90 

98 

104

51 

46 

29 

30 

104 

138

Fluoride 

(F)

0.3 

. 5

Nitrate 

(N03 )

1.4 

2.8

Boron 

(B)

0.17 

.31 

.21

.15 

.14 

.07 

.18 

.00 

.24
SAN JOAQUIN RIVER BASIN Continued 

DELTA-MENDOTA CANAL AT TRACY PUMPING PLANT, CA

LOCATION. At outlet of siphon into canal, 1.0 mile south of Tracy Pumping Plant, Alameda County, 

Tracy, San Joaquin County. 

RECORDS AVAILABLE. Chemical analyses: July to September 1955.

Water temperatures: July to September 1955. 

REMARKS. Values reported for dissolved solids are residues on evaporation. Daily samples for chem

specific conductance of daily samples available in district office at Sacramento, Calif. Recor

for water year October 1954 to September 1955 given in WSP 1395.

Chemical analyses, in parts per million, July to September 

Date of collection

July 1-10, 1955.... 

July 11-20 ........

July 21-31 ........

Aug. 11-20 .......

Aug. 21-31 .......

Sept. 1-17 ........

Sept. 18-26 .......

Sept. 27-30 .......

Discharge 

(cfs)

2,914 

3,088 

3,301 

3,331

3,044 

2,650 

2,059 

1,484 

1,568

Silica 

(Si02)

20 

21 

22 

22

25 

19 

22 

26 

23

Iron 

(Fe)

0.10 

.10 

.10 

.08

:07 

.05 

.06 

.01 

.05

Calcium 

(Ca)

15 

16 

17 

18

19 

22 

24 

39 

22

Magnesium 

(Mg)

8.4 

9.0 

9.1 

10

12 

14 

14 

18 

13

Sodium 

(Na)

21 

24 

27 

38

57 

69 

68 

89 

60

Potassium 

(K)

1.5 

1.9 

2.5 

2.6

2.9 

4.0 

4.1 

3.8 

3.2

Bicarbonate 

(HCO3 )

76 

80 

84 

87

90 

98 

103 

146 

105

Sulfate 

(SO,)

21 

20 

21 

24

28 

32 

33 

54 

28

Chloride 

(Cl)

27 

31 

38 

58

82 

105 

109 

140 

89

Fluoride 

(F)

0.3 

.4 

.4 

.4

.3 

.3 

.2 

.2 

.2

Nitrate 

(N03 )

1.0 

1.1 

1.1 

.9

1.1 

1.2 

1.1 

1.0

.7

Boron 

(B)

0.11 

.14 

.13 

.09

.11 

.10 

.19 

.25 

.18

Temperature (°F) of water, July to September 19

/Once-daily measurement approximately between 11 a. m. a

Day

1

2

3

4

5

6

LJuly

70

72

70

70

70

70

Aug.

76

77

77

78

78

78

Sept.

75

75

76

77

77

76

Day

7

8

9

10

11

12

July

72

72

72

70

71

73

Aug.

78

78

78

77

77

76

Sept.

75

75

75

75

75

75

Day

13

14

15

16

17

18

July

74

74

74

73

73

73

Aug.

76

76

76

75

76

75

Sept.

74

74

74

72

70

70

Day

19

20

21

22

23

24

Average ................................................ .... ...
SAN JOAQUIN RIVER BASIN--Continued 

DELTA-MENDOTA CANAL NEAR MENDOTA, CALIF.

LOCATION. One mile upstream from control gates into Mendota Pool and 2 miles north of Mendota, Fr

RECORDS AVAILABLE. Chemical analyses: October 1953 to September 1955.

REMARKS. Values reported for dissolved solids are sums of determined constituents. No discharge 

Chemical analyses, in parts per million, water ^

Date of collection

Oct. 14, 1954 .....

Jan. 12, 1955 ..... 

Feb. 9 ...........

Apr. 11. ..........

May 9 ............

Sept. 12 ..........

Mean 

discharge 

(cfs)

Silica 

(Si02)

21

46

18 

19

Iron 

(Fe)

0.1 

.16

Calcium 

(Ca)

43 

46 

46 

45 

58 

30

25 

24 

20 

31 

26 

19

21 

22

Magnesium 

(Mg)

20 

20 

22 

21 

27 

14

15 

13 

8.3 

11 

13 

9.6

11 

14

Sodium 

(Na)

99 

104 

117 

116 

162 

64

42 

42 

28 

50 

45 

31

51 

73

Potassium 

(K)

3.8 

4.0 

3.6 

3.2 

3.2 

2.5

2.5 

2.7 

2.1 

2.8 

3.1 

1.9

2.8 

3.6

Bicarbonate 

(HC03 )

156 

151 

138 

136 

141 

95

95 

98 

79 

101 

95 

88

93 

98

Sulfate 

(S04 )

46 

51 

26

42

Chloride 

(Cl)

144 

146 

135 

132 

145 

88

60 

53 

36 

72 

65 

38

73 

108

ear October 1954 to S

Fluoride 

(F)

0.3

.2 

.2

Nitrate 

(NO,)

1.9 

1.2 

1.1

1.0

Boron 

(B)

0.23 

.44 

.71 

.61 

.82 

.18

.15 

.17 

.17 

.19 

.18 

.08

.04 

.18
SAN JOAQUIN RIVER BASIN Continued 

OLD RIVER AT CLIFTON COURT FERRY, CALIF.

LOCATION. At Clifton Court Ferry Crossing, 0.3 mile below tidal gaging station, 2.1 miles east of 

RECORDS AVAILABLE.--Chemical analyses: October 1953 to September 1955.

REMARKS. Values reported for dissolved solids are sums of determined constituents. Tidal gaging s

Reclamation. No- discharge records available for this station due to tidal effects from Suisun B

Chemical analyses, in parts per million, water year October 1954 to Sep

Date of collection

Oct. 11, 1954 ..... 

Nov. 19. ..........

Dec. 16 ..........

Jan. 20, 1955.... . 

Feb. 21 ..........

Mar. 16 ..........

May 18 ...........

July 19 ...........

Sept. 22 ..........

Discharge

(cfs)

Silica 

(S102)

25

21 

22 

17 

16

19 

18 

14 

17 

19 

22

Iron 

(Fe)

0.01 

.21 

.02 

.03

.16 

.03 

.28 

.25 

. 15 

.08

Calcium 

(Ca)

44 

35 

32 

22 

31 

31

23 

25 

16 

16 

20 

28

Magnesium 

(Mg)

18 

19 

14 

9.5 

14 

14

11 

13 

8.8 

8.8 

14 

14

Sodium 

(Na)

92 

77 

60 

43 

67 

66

33 

36 

23 

25 

62 

67

Potassium 

(K)

3.5 

3.4 

4.0 

3.8 

2.6 

2.5

2.9 

2.2 

1.7 

2.1 

3.3 

3.6

Bicarbonate 

(HCO,)

156 

128 

98 

85 

102 

97

90 

94 

76 

78 

92 

118

Sulfate 

(S04 )

55 

37 

68 

60

35 

37 

22 

26 

32 

35

Chloride 

(Cl)

140 

123 

94 

56 

88 

96

46 

56 

30 

30 

100 

110

Fluoride 

(F)

0.3 

.7 

.1 

.2

.3 

.2 

.2 

.2 

.2 

.3

Nitrate 

(NO,)

4.3 

3.5 

2.0 

1.3

1.6 

1.2 

.8 

.7 

.9 

. 5

Boron 

(B)

0.19 

.24 

.09 

.07 

.22 

.28

. 14 

.15 

. 11 

. 12 

. 19 

.08
SAN JOAQUIN RIVER BASIN--Continued 

ITALIAN SLOUGH AT MOUTH, NEAR BYRON, CALI

LOCATION.--On right bank at confluence of Italian Slough and Old River, 3.6 miles east of Byron, 

RECORDS AVAILABLE. Chemical analyses: October 1953 to September 1955.

REMARKS. Values reported for dissolved solids are sums of determined constituents. No discharge 

Chemical analyses, in parts per million, water year October 1954 to 

Date of collection

Oct. 11, 1954 .....

Jan. 20, 1955 .....

Apr. 20. ..........

May 18 ...........

July 19 ...........

Aug. 23. ..........

Sept. 22 ..........

Mean 

discharge 

(cfs)

Silica 

(Si02)

19

17 

19

Iron 

(Fe)

0.2 

.16

Calcium 

(Ca)

22 

37 

35 

42 

34 

32

25 

22 

16 

14 

20 

22

Magnesium 

(Mg)

15 

22 

14 

16 

17 

15

12 

9.8 

8.0 

10 

14 

12

Sodium 

(Na)

55 

87 

65 

69 

77 

69

33 

30 

22 

25 

64 

60

Potassium 

(K)

2.8 

4.5 

4.0 

4.4 

2.9 

2.7

2.0 

2.1 

1.7 

1.8 

3.3 

3.2

Bicarbonate 

(HCO,)

115 

123 

96 

75 

106 

96

84 

86 

76 

78 

93 

98

Sulfate 

(S04 )

33 

29

Chloride 

(CD

78 

135 

102 

103 

104 

106

46 

41 

27 

30 

105 

95

Fluoride 

(F)

0.3 

.4

Nitrate 

(NOS )

1.0 

.6

Boron 

(B)

0.12 

.26 

.23 

.44 

.30 

.37

.09 

.10 

.08 

.15 

.28 

.01
SAN JOAQUIN RIVER BASIN Continued 

INDIAN SLOUGH NEAR BRENTWOOD, CALIF.

LOCATION. At East Contra Costa Irrigation District pump number 1 on Bixler Road, 3 miles north of 

Costa County.

RECORDS AVAILABLE. Chemical analyses: October 1953 to September 1955. 

REMARKS. Values reported for dissolved solids are sums of determined constituents. No discharge 

Chemical analyses, in parts per million, water year October 1954 to 

Date of collection

Oct. 19, 1954 ....

Dec. 16 .........

Jan. 20, 1955 ....

June 21 ..........

July 19 ..........

Sept. 22 .........

Mean 

discharge 

(cfs)

Silica 

(SiO,J

16 

18

Iron 

(Fe)

0.01 

.14

Calcium 

(Ca)

40 

43 

52 

69 

61 

9.7

22 

21 

13 

6.4 

23 

27

Magnesium 

(Mg)

25 

35 

32 

34 

41 

72

12 

13 

8.9 

16 

17 

21

Sodium 

(Na)

101 

140 

140 

131 

176 

114

39 

39 

20 

30 

86 

91

Potassium 

(K)

4.4 

3.4 

4.1 

3.6 

4.2 

2.6

2.0 

2.3 

1.4 

2.5 

3.8 

4.0

Bicarbonate 

(HCO,)

147 

209 

186 

259 

196 

292

92 

101 

77 

81 

104 

124

Sulfate 

(S04 )

38 

54

Chloride 

(Cl)

163 

177 

201 

176 

237 

150

52 

50 

24 

36 

140 

146

Fluoride 

(F)

0.3 

.4

Nitrate 

(N03 )

0.9 

3.7

Boron 

(B)

0.30 

1.3 

1.4 

1.7 

1.6 

1.5

.24 

.27 

.11 

.26 

.36 

.51
SAN JOAQUIN RIVER BASIN Continued 

OLD RIVER AT OROWOOD BRIDGE, NEAR MIDDLE RIVER, C

LOCATION. At right bank at Atchinson, Topeka and Santa Fe Railroad bridge, 1.6 miles west of the 

7.9 miles east of Brentwood.

RECORDS AVAILABLE.--Chemical analyses: October 1953 to September 1955. 

REMARKS. Values reported for dissolved solids are sums of determined constituents. No discharge r

Chemical analyses, in parts per million, water year October 1954 to S

Date of collection

Oct. 21, 1954 .....

Jan. 20, 1955 ..... 

Feb. 16. ..........

Apr. 20 ..........

May 19 ...........

Sept. 22 ..........

Mean 

discharge 

(cfs)

Silica 

(Si02)

19

23 

26 

23 

18

19 

20 

12 

16 

18 

19

Iron 

(Fe)

0.01 

.05 

.05 

.07

.13 

.00 

.28 

.28 

.13 

.13

Calcium 

(Ca)

23 

36 

42 

39 

41 

34

19 

19 

17 

15 

21 

17

Magnesium 

(Mg)

14 

18 

19 

18 

19 

17

10 

8.9 

9.1 

8.4 

16 

15

Sodium 

(Na)

50 

73 

79 

67 

83 

73

27 

22 

23 

25 

81 

61

Potassium 

(K)

2.7 

3.4 

4.0 

3.5 

3.3 

2.9

2.1 

1.8 

1.7 

2.1 

3.8 

3.3

Bicarbonate 

(HCOa )

116 

120 

110 

100 

125 

98

88 

80 

78 

81 

92 

100

Sulfate 

(S04 )

85 

92 

84 

80

27 

22 

19 

19 

38 

29

Chloride 

(Cl)

69 

112 

124 

96 

117 

102

34 

30 

32 

31 

136 

98

Fluoride 

(F)

0.2 

.3 

.3 

.3

.3 

.2 

.3 

.2 

.2 

.3

Nitrate 

(NOS )

5.8 

7.7 

3.4 

2.4

1.1 

1.0 

.7 

.6 

.8 

.4

Boron 

(B)

0.12 

.21 

.23 

.13 

.28 

.33

.13 

.10 

.08 

.14 

.13 

.03
SAN JOAQUIN RIVER BASIN--Continued 

ROCK SLOUGH NEAR KNIGHTSEN, CALIF.

LOCATION.--At Contra Costa Canal intake at the end of Tule Lane, 2 miles northeast of Knightsen, Co

RECORDS AVAILABLE.--Chemical analyses: October 1953 to September 1955.

REMARKS. Values reported for dissolved solids are sums of determined constituents. No discharge re

Chemical analyses, in parts per million, water year October 1954 to Se

Date of collection

Oct. 21, 1954 ..... 

Nov. 16. ..........

Dec. 16. ..........

Jan. 20, 1955 .....

Mar. 16 ..........

May 19 ...........

July 19 ...........

Aug. 24 ..........

Sept. 22 ..........

Mean 

discharge 

(cfs)

Silica 

(Si02)

20

18

17 

19

Iron 

(Fe)

0.00 

.07

Calcium 

(Ca)

22 

27 

43 

46 

41 

35

20 

20 

15 

15 

20 

20

Magnesium 

(Mg)

13 

16 

22 

25 

24 

20

10 

7.8 

712 

9.1 

17 

15

Sodium 

(Na)

45 

54 

87 

89 

91 

80

27 

24 

17 

28 

91 

68

Potassium 

(K)

2.6 

3.1 

3 9 

3! 2 

3.4 

3.0

2.0 

2.5 

1.5 

2.6 

4.2 

3.7

Bicarbonate 

(HCO,)

120 

122 

124 

110 

128 

114

92 

84 

36 

78 

94 

101

Sulfate 

(S04 )

24 

29

Chloride 

(Cl)

58 

77 

132 

129 

129 

116

35 

28 

18 

30 

152 

109

Fluoride 

(F)

0.3 

.2

Nitrate 

(NOS )

0.7 

.3

Boron 

(B)

0.12 

.19 

.35 

.35 

.46 

.39

.16 

.10 

.09 

.09 

.30 

.08
SAN JOAQUIN RIVER BASIN--Continued 

OLD RIVER (NORTHWEST SIDE) MANDEVILLE ISLAN

LOCATION.--At right bank on northwest side of Mandeville Island, San Joaquin County, about 0.5 mi

approximately 5.5 miles southwest of Terminous.

RECORDS AVAILABLE. Chemical analyses: December 1954 to September 1955. 

REMARKS.--Values reported for dissolved solids are sums of determined constituents. No discharge 

Chemical analyses, in parts per million, December 1954 to Sep

Date of collection

Dec. 14, 1954 .... 

Jan. 19, 1955 ..... 

Feb. 16 ..........

Apr. 21 ..........

July 19 ...........

Sept. 21 ..........

Mean 

discharge 

(cfs)

Silica 

(Si02)

19 

23 

20 

20 

19

17 

15 

18 

19 

21

Iron 

(Fe)

0.06 

.10 

.13 

.06 

.14

.1 

.15 

.24 

.08 

.13

Calcium 

(Ca)

29 

32 

31 

22 

16

13 

12 

15 

19 

17

Magnesium 

(Mg)

13 

14 

15 

11 

8.0

6.7 

6.8 

6.9 

15 

14

Sodium 

(Na)

44 

44 

45 

31 

20

14 

15 

32 

82 

48

Potassium 

(K)

2.8 

2.9 

2.7 

1.6 

1.7

1.4 

1.3 

2.1 

4.0 

2.9

Bicarbonate 

(HCOS )

100 

83 

98 

86 

82

69 

69 

83 

93 

109

Sulfate 

(S04 )

45 

56 

61 

32 

17

14 

13 

18 

32 

24

Chloride 

(Cl)

70 

71 

66 

43 

23

17 

15 

38 

130 

70

Fluoride 

(F)

0.3 

.5 

.4 

.2 

.2

.3 

.2 

.0 

.2 

.3

Nitrate 

(N03 )

3.1 

8.0 

4.8 

1.9 

.9

.6 

.5 

.5 

.6 

.6

Boron 

(B)

0.10 

.12 

.10 

.15 

.14

.06 

.03 

.07 

.22 

.13
SAN JOAQUIN RIVER BASIN Continued 

MOKELUMNE RIVER AT LANCHA PLANA, CALIF.

LOCATION. 500 feet below gaging station, 1 mile east of Lancha Plana, Amador County, 3 miles down

Creek.

DRAINAGE AREA.--584 square miles.

RECORDS AVAILABLE. Chemical analyses: October 1953 to September 1955. 

REMARKS. Values reported for dissolved solids are sums of determined constituents. Records of di

given in WSP 1395.

Chemical analyses, in parts per million, water year October 1954 to 

Date of collection

Oct. 20, 1954 .....

Jan. 18, 1955 

Feb. 15 ..........

Mar. 15 ..........

Sept. 20 ..........

Discharge 

(cfs)

693 

693 

693 

812 

660 

63

698 

704 

649 

644 

654 

654

Silica 

(SiOj)

11 

12

Iron 

(Fe)

0.03 

.02

Calcium 

(Ca)

4.5 

3.7 

5.3 

6.1 

5.1 

6.3

3.2 

7.2 

5.7 

6.0 

2. 8 

5.7

Magnesium 

(Mg)

0.2 

.7 

.1 

2.4 

1.3 

2.3

2.6 

.3 

2. 1 

1.5 

2.9 

.3

Sodium 

(Na)

1.9 

1.6 

2.1 

3.4 

2.8 

3.4

3.1 

4.0 

3.1 

4.8 

3. 1 

2.2

Potassium 

(K)

0.6 

.6 

.6 

.7 

.6 

.8

.8 

1.7 

.7 

1.6 

.7 

.7

Bicarbonate 

(HC05)

18 

17 

18 

22 

24 

24

24 

25 

27 

19 

27 

21

Sulfate 

(S04 )

2.6 

1.4

Chloride 

(Cl)

1.8 

2.0 

1.8 

3.5 

3.0 

3.5

3.2 

3.5 

3.5 

3.0 

3.0 

1.9

Fluoride 

(F)

0.2 

. 1

Nitrate 

(N03)

0.2 

.0

Boron 

(B)

0.00 

.00 

.08 

.00 

.01 

.00

.02 

.00 

.05 

. 10 

.00 

. 14
SAN JOAQUIN RIVER BASIN Continued 

MOKELUMNE RIVER AT WOODBRIDGE, CALIF.

LOCATION.--At dam of Woodbridge Irrigation District, San Joaquin County, 0.4 mile upstream from gag

DRAINAGE AREA. 644 square miles (above gaging station).

RECORDS AVAILABLE. Chemical analyses: March 1951 to September 1955.

Water temperatures: March 1951 to September 1955. 

EXTREMES, 1954-55. Dissolved solids: Maximum, 68 ppm Apr. 21-30; minimum, 35 ppm Oct. 1-10, Dec. 

Hardness: Maximum, 31 ppm Apr. 21-30; minimum, 18 ppm Sept. 21-30.

Specific conductance: Maximum daily, 91.8 micromhos Apr. 30; minimum daily, 35.0 micromhos Nov. 

Water temperatures: Minimum, 42°FDec. 27, Jan. 6. 

EXTREMES, 1951-55. Dissolved solids: Maximum, 68 ppm Dec. 12, 15, 1952, Apr. 21-30, 1955; minimum

Hardness: Maximum, 34 ppm Feb. 1, 3, 5, Mar. 3, 1953; minimum, 12 ppm June 1-10, 1952.

Specific conductance: Maximum daily, 202 micromhos Dec. 15, 1952; minimum daily, 29.4 micromhos 

Water temperatures: Maximum, (1951-54), 83°F July 17, 1951; minimum, 35°F Jan. 29, 30, 1954.

REMARKS.--Values reported for dissolved solids are residues on evaporation. Records of specific co

office at Sacramento, Calif. Records of discharge for water year October 1954 to September 1955 

Chemical analyses, in parts per million, water year October 1954 to S

Date of collection

Oct. 1-10, 1954 .. .

Jan. 1-10, 1955 ...

Aor. 21-30 .......

Mean 

discharge 

(cfs)

254 

289 

313 

380 

577 

541

586 

699 

550 

550 

607 

700 

595

634 

566 

498 

262 

195 

23.9

14.1 

11.8 

124

Silica 

(Si02)

Iron 

(Fe)

Calcium 

(Ca)

4.0 

4.0 

4.0 

4.0 

4.0 

4.0

4.9 

6.7 

4.9 

4.2 

4.9 

5.3 

5.3

5.1 

5.3 

5.5 

6.1 

6.4 

6.4

5.7 

6.2 

7.3

Magnesium 

(Mg)

1.0 

1.0 

.7 

.7 

.7 

.7

1.0 

2.3 

1.2 

1.1 

1.3 

2.1 

1.7

1.5 

1.7 

2.0 

2.1 

2.2 

2.2

1.9 

2.8 

3.1

Sodium 

(Na)

2.2 

1.8 

1.8 

1.8 

1.8 

1.8

2.1 

3.2 

2.2 

2.4 

2.7 

3.0 

3.1

3.1 

3.1 

3.1 

3.7 

4.0 

3.6

3.5 

3.8 

4.2

Potassium 

(K)

Bicarbonate 

(HCO.,)

25 

25 

27 

28 

30 

29

28 

30 

34

Sulfate 

(S04 )

Chloride 

(Cl)

Fluoride 

(F)

Nitrate 

(N08)

Boron 

(B)
SAN JOAQUIN RIVER BASIN--Continued

MOKELUMNE RIVER AT WOODBRIDGE, CALIF. Continu

Chemical analyses, in parts per million, water year October 1954 to Septemb

Date of collection

May 1-10, 1955... . May 11-20. .......

July 21-31 ........

Aug. 18-31 .......

Sept. 1-10 ........

Sept. 21-30.......

Weighted average a

Mean 

discharge 

(cfs)

98.2 

45.0 

17.3 

16.7 

11.8 

12.2

19.3 

16.2 

17.4 

16.9 

27.6 

105 

160

256

Silica 

(Si02)

Iron 

(Fe)

0.04

--

Calcium 

(Ca)

6.4 

5.9 

6.7 

9.4 

6.1 

7.1

6.0 

6.2 

6.4 

5.8 

6.9 

6.2 

5.9

5.0

Magnesium

(MB)

2.7 

2.7 

1.0 

.1 

.9 

.0

.6 

.3 

.5 

.3 

.0 

.0 

.9

1.4

Sodium 

(Na)

3.6 

3.9 

4.0 

3.8 

3.8 

3.8

3.8 

3.6 

3.4 

3.4 

3.8 

3.2 

3.1

2.6

Potassium 

(K)

Bicarbonate 

(HCOS)

31 

30 

30 

30 

29 

28

28 

28 

30 

28 

30 

27 

26

-

Sulfate 

(S04)

Chloride 

(Cl)

Fluoride 

(F)

Nitrate 

(NO,)

Boron 

(B)

b

a Represents 99.7 percent of runoff for water year October 1954 to September 1955. 

b Represents 99 percent of runoff for water year October 1954 to September 1955.
SAN JOAQUIN RIVER BASIN

SAN JOAQUIN RIVER BASIN Continued

MOKELUMNE RIVER AT WOODBRIDGE, CALIF.--Continued

Temperature (°F) of water, water year October 1954 to September 1955 

/Once-daily measurement at 6:30 z.mj

257

Day

1

2

3

4

5

6

7

8

9

10

11

12

13

14

15

16

17

18

19

20

21

22

23

24

25

26

27

28

29

30

31

Average

Oct.

59

59

59

60

59

59

63

60

61

62

62

63

63

62

63

62

61

62

60

59

60

62

69

67

51

55

56

58

58

55

66

60

Nov.

56

58

54

54

54

55

55

56

59

58

59

57

59

57

57

58

58

58

54

52

53

51

53

51

53

52

53

53

51

52

--

55

Dec.

52

53

54

54

54

53

53

50

53

53

49

49

49

52

51

50

50

48

48

49

48

48

49

48

49

47

42

45

45

45

50

50

Jan.

51

50

46

45

43

42

45

45

45

45

44

45

46

47

45

43

43

46

48

48

50

53

45

_

45

46

45

45

45

46

45

46

Feb.

45

45

44

43

44

50

50

51

45

44

52

52

47

48

50

50

48

47

44

45

45

46

47

46

45

46

46

47

..

-.

--

47

Mar.

45

46

46

47

48

49

57

52

45

52

52

54

52

57

57

46

45

49

53

49

49

52

53

55

45

56

56

53

56

56

55

51

Apr.

54

55

50

51

50

54

55

55

54

55

55

54

54

55

55

55

54

54

54

55

55

56

56

55

57

58

58

58

58

59

55

May

59

48

49

49

59

59

60

60

61

62

65

63

63

62

63

63

64

62

61

62

63

62

60

63

62

67

66

64

65

66

66

61

June

66

67

66

66

66

66

67

68

68

69

68

68

69

69

70

70

72

73

72

71

72

74

73

74

75

74

75

74

75

75

--

70

July

_

75

..

_

75

..

76

--

_

_

--

77

79

76

78

69

62

63

68

69

68

Aug.

69

69

72

72

71

70

69

69

68

_

--

..

65

65

67

69

_.

65

64

64

69

69

69

69

Sept.

72

67

68

72

70

67

68

68

68

67

68

68

68

68

63

61

62

63

64

63

65

67

64

68

65

63

61

62

65

63

--

66
SAN JOAQUIN RIVER BASIN--Continued 

COSUMNES RIVER AT MICHIGAN BAR, CALIF.

LOCATION.--At gaging station on highway bridge at Michigan Bar, Sacramento County, 5.5 miles south

confluence of North and Middle Forks. 

DRAINAGE AREA.--537 square miles.

RECORDS AVAILABLE.--Chemical analyses: January 1953 to September 1955. 

REMARKS. Values reported for dissolved solids are suras of determined constituents. Records of di

given in WSP 1395.

Chemical analyses, in parts per million, water year October 1954 to 

Date of collection

Oct. 20, 1954..... 

Nov. 17 ..........

Jan. 18, 1955..... 

Feb. 15 ..........

Mar. 15..........

May 20 ...........

Sept. 20 ..........

Discharge 

(cfs)

11 

159 

281 

1,828 

223 

420

587 

448 

79 

26 

3.0 

10

Silica 

(S10J

19 

16

Iron 

(Fe)

0.04 

.06

Calcium 

(Ca)

12

7.3 

9.7 

10 

11 

8.0

8.2 

8.8 

6.8 

8.1 

11 

13

Magnesium 

(Mg)

3.9 

3.4 

3.5 

4.4 

6.1 

3.9

7.2 

.5 

2.7 

4.3 

5.7 

6.1

Sodium 

(Na)

4.9 

3.4 

4.2 

4.7 

4.6 

3.6

4.2 

3.6 

3.4 

5.6 

4.8 

5.3

Potassium 

(K)

1.3 

1.4 

1.2 

.6 

.9 

.9

.9 

1.7 

1.0 

1.7 

1.3 

1.3

Bicarbonate 

(HCO,)

66 

40 

40 

51 

60 

43

64 

36 

40 

46 

a71 

77

Sulfate 

(SO,)

2.7 

2.0

Chloride 

(Cl)

2.8 

3.2 

3.5 

1.8 

2.5 

1.5

1.4 

.5 

.8 

2.5 

2.5 

2.5

Fluoride 

(F)

0.1 

.2

Nitrate 

(NO,)

0.3 

.0

Boron 

(B)

0.03 

.00 

.10 

.00 

.02 

.03

.00 

.00 

.06 

.24 

.00 

.02

a Includes equivalent of 3 parts per million of carbonate (C03 ).
SAN JOAQUIN RIVER BASIN Continued 

DELTA CROSS CHANNEL NEAR WALNUT GROVE, CAL

g LOCATION. At left bank 0.2 mile downstream from control gates, 0.5 mile north of Walnut Grove, S

- RECORDS AVAILABLE. Chemical analyses: October 1953 to September 1955.

R> REMARKS. Values reported for dissolved solids are sums of determined constituents. No discharge 

o

1 Chemical analyses, in parts per million, water year October 1954 t

Date of collection

Oct. 18, 1954. .... 

Nov. 16 ..........

Dec. 13 ..........

Jan. 21, 1955..... 

Feb. 14 ..........

Apr. 18 ..........

Sept. 23 ..........

Discharge 

(cfs)

Silica 

(SlOi)

23

17 

26

Iron 

(Fe)

0.00 

.01

Calcium 

(Ca)

15 

14 

13 

12 

18 

13

11 

11 

12 

13 

15 

18

Magnesium 

(Mg)

8.4 

6.8 

4.8 

5.6 

10 

7.4

6.4 

4.8 

7.6 

8.4 

7.9 

11

Sodium 

(Na)

12 

13 

8.3 

9.2 

18 

9.2

9.6 

11 

15 

17 

17 

17

Potassium 

(K)

1.4 

1.9 

1.4 

1.0 

1.2 

1.1

1.4 

1.0 

1.2 

1.9 

1.3 

1.8

Bicarbonate 

(HCO,)

96 

76 

60 

63 

98 

74

78 

64 

81 

76 

99 

118

Sulfate 

(S04)

10 

14

Chloride 

(Cl)

12 

11 

9.8 

7.0 

19 

7.0

8.2 

8.2 

12 

12 

12 

14

Fluoride 

(F)

0.1 

.2

Nitrate 

(NO,)

0.7 

.6

Boron 

(B)

0.02 

.03 

.12 

.21 

.06 

.12

.16 

.06 

.06 

.14 

.12 

.07
260 PACIFIC SLOPE BASINS IN CALIFORNIA

Ul

o

01 

<H 

<H 

01 01

 H rH

 o

m -H

o 

o

1 i

 o c 

c o

ffl -rt 

 M

h ffl

 H

os <n H 

0) J= 

C <->

O 01

A

1^ (4

O -rl m

&< ffl in

J3 ffl rH

O O XI 

CO t< g

o S

0) 6B *"

C ffl g

§ * 1

« ° s

o S

 M hi

e -M**"* e"

0 C 2

A CJJ QJ rt 

ffl rH C "

r."a

IN d> t< a 

iH O OJ Q

!>> 0) 0) » 

ffl (-> TJ

OB CO O g

S3 o ra 'g

+j co in -3 ffl m g

o QJ in o

OC <->rH

 O O O

 H ^>o in

a c o 3 0)

in'o 

c c ^><n

 H 3 ffl -H M cr c o

 MO I*

a <H

tidal gaging erminous, Sai Chemic ABLE .reported ues 

Bay. n 

0 OS

a

0 A ' *J _ 

S o a> 2 fj

a> S ^^ £

 I^§S

rt

ii*J

n » §-^" So z |j "

a) o u

|« g , g

I S 1

 o rt" 

 g ^ a-o

0

§

 " ^ H a «

.3 M

? 0 =1 0 rt Q. c i o, a S03 i. O

 S^

2£§

° § *^ E'Ct

o«g

U ""^

3"

ill

i is

en

« w § ^" a c -s5

 3 I"*

o-sB

IS1 

3s

Discharge 

n (cfs)

S 

I

"o

»«-.««*« »*C=rH« CiKSM S5SSSI

C-OXDC-OOC- <D<DO>00>rH

O rH rH

ssssss ssssss

- a . asjs o,»«oo

c-osmc-Oc- <oinc-ost-o>

! !2^SS 222SSS

o

!!SS2S 3«8ESS

S

^HOinoat- ooot-o^eo O O O O O -H O O -! -! O

o

i i cooacoos OSCOOSD-ACO

^^.oa

. . .ooacooa -H * oa o ^ oa

o

0><D«0000<0 COV-«««

1 ! «22S ^SSSS

SSSSS" SSSSSS

««*» V rH n =0««

sg : aaa S 2 aaa!(

o -«<n c- c- * co n

ro.-jinc-Na, <D««.-|oo«

to o> CM to -i c- in « * en <o en

1 IrHOa^HO OOOrHOO

O

2ISS22 S22SSS

« « ......

352SS5 S 2 « S S«

 *-»>°c^is r^s**e,5*y>^. ^Ojugtua o-eaa^ef
SAN JOAQUIN RIVER BASIN Continued 

SAN JOAQUIN RIVER AT ANTIOCH, CALIF.

LOCATION.--At tidal gage at Antioch, Contra Costa County, and 4.5 miles from mouth. 

RECORDS AVAILABLE. Chemical analyses: October 1952 to September 1955.

REMARKS. Values reported for dissolved solids are sums of determined constituents. Tidal gaging 

Division of Water Resources. No discharge records available for this station due to tidal ef

Chemical analyses, in parts per million, water year October 1954 to 

Date of collection

Nov. 16, 1954 .....

Jan. 21, 1955 ..... 

Feb. 16 ..........

Apr. 20 ..........

May 19 ...........

July 19 ...........

July 20 ...........

Aug. 24 ..........

Sept. 22 ..........

Mean 

discharge 

(cfs)

Silica 

(Si02)

20 

18 

23 

20 

21 

18

20 

14 

12 

13 

9.4 

17

Iron 

(Fe)

0.16 

.10 

. 11 

.10 

.08

.03 

.04

.16 

.09 

.09

Calcium 

(Ca)

19 

18 

26 

24 

22 

22

13 

18 

51 

31 

61 

33

Magnesium 

(Mg)

16 

9.4 

13 

13 

12 

23

7.2 

28 

87 

52 

138 

54

Sodium 

(Na)

76 

24 

35 

36 

33 

126

15 

184 

740 

398 

1,040 

405

Potassium 

(K)

4. 1 

2.0 

2.0 

2.5 

2.1 

6.2

1.5 

8.0 

31 

17 

42 

17

Bicarbonate 

(HCO,)

99 

80 

83 

88 

89 

88

69 

69 

83 

79 

94 

104

Sulfate 

(SO,)

23 

45 

42 

35 

48

14 

59 

192 

195 

294 

114

Chloride 

(Cl)

118

36 

54 

50 

47 

218

16 

314 

1,280 

625 

1,950 

720

Fluoride 

(F)

0.3 

.3 

.3 

.2 

.3

.0 

.2 

.4 

.2 

.3 

.3

Nitrate 

(N03 )

2.0 

5.3 

3.3 

2.3 

1.8

.6 

2.7 

1.8 

2.0 

2.3 

1.2

Boron 

(B)

0. 14 

.02 

.00 

.11 

.14 

.17

.18 

.31 

.33 

.30 

.53 

.24
SACRAMENTO RIVER BASIN

SACRAMENTO RIVER AT DELTA, CALIF.

LOCATION.--On right bank just above gaging station, 0.2 mile downstream from Dog Creek, 0.6 mile 

south of La Moine. 

DRAINAGE AREA. 427 square miles. 

RECORDS AVAILABLE. Chemical analyses: December 1953 to September 1955.

Water temperatures: June to September 1951, October 1953 to September 1955. 

EXTREMES, 1954-55.--Water temperatures: Maximum, 73°F Aug. 8-11; minimum, 37°F Feb. 27. 

EXTREMES, 1951, 1953-55. Water temperatures: Maximum, 75°FAug. 20, 1951; minimum, 37°FFeb. 27

REMARKS. Values reported for dissolved solids are sums of determined constituents, 

given in WSP 1395.

Records of d

Chemical analyses, in parts per million, water year October 1954 to 

Date of collection

Oct 12, 1954 .....

Jan. 19, 1955.....

Mar. 10. .........

Sept. 13 ..........

Discharge 

(cfs)

248 

1,190 

512 

629 

646 

985

781 

1,240 

358 

248 

a 232 

158

Silica 

(Si02)

29 

19

18

25 

29

Iron 

(Fe)

0.01 

.02

Calcium 

(Ca)

9.1 

6.1 

8.0 

5.7 

6.1 

2.3

5.7 

5.7 

7.2 

8.9 

10 

11

Magnesium 

(Mg)

6.9 

6.5 

6.3 

8.0 

7.5 

9.1

7.0 

6.0 

7.8 

7.5 

6.9 

6.4

Sodium 

(Na)

9.3 

3.6 

6.4 

5.7 

5.7 

4.2

4.1 

3.2 

6.9 

8.8 

9.5 

15

Potassium 

(K)

1.1 

.5 

.7 

.6

.7 

.7

.5 

.4 

.7 

.9 

1.0 

1.5

Bicarbonate 

(HCO,)

75 

54 

63 

64 

64 

58

59 

53 

72 

77 

80 

84

Sulfate 

(SO,)

2.5

2.9 

5.0

Chloride 

(Cl)

7.0 

2.2 

6.0 

4.4 

3.9 

2.4

3.2 

2.0 

5.5 

6.5 

6. 2 

8.9

Fluoride 

(F)

0.1

.0 

.1

Nitrate 

(NO,)

0.1

.0 

.1

Boron 

(B)

0.11 

.10 

.08 

.06 

.04 

.07

.10 

.04 

.12 

.28 

.19 

.25

a Daily mean discharge.
SACRAMENTO RIVER BASIN Continued

SACRAMENTO RIVER AT DELTA, CALIF.--Cont

Temperature (°F) of water, water year October 1954 to Se

Day

1...................

2. ..................

4...................

5. ..................

6. ..................

7...................

8...................

9. ..................

10. ..................

11...................

12...................

15...................

16...................

17...................

19...................

20. ..................

21...................

22...................

23. ..................

24...................

25...................

26. ..................

27. ..................

29...................

30. ..................

31...................

October

max

53 

53 

52 

52 

52

52 

51 

52 

52 

52

52 

52 

52 

52 

52

52 

51 

51 

52 

52

51 

51 

51 

49 

47

46 

46 

46 

46 

46 

46

50

rain

52 

52 

51 

51 

51

.51 

51 

51 

52 

52

52 

51 

51 

52 

52

51 

51 

51 

51 

51

51 

51 

49 

47 

46

45 

45 

45 

46 

46 

46

50

November

max

46 

46 

46 

46 

46

46 

46 

47 

47

47

48 

48 

48 

47 

47

46 

46 

46 

46 

46

46 

46 

46 

46 

45

45 

44 

43 

43 

42

46

min

46 

46 

45 

45 

46

46 

46 

46 

47 

47

47 

48 

47 

47 

46

46 

46 

46 

46 

46

46 

46 

46 

45 

45

44 

43 

43 

42 

40

46

December

max

40 

39 

39 

41 

42

43 

43 

43 

43 

43

43 

42 

42 

42 

42

42 

42 

42 

42 

41

41 

41 

41 

41 

41

41 

40 

39 

39 

39 

39

41

min

39 

39 

39 

39 

41

42 

43 

43 

43 

43

42 

42 

42 

42 

42

42 

42 

42 

41 

41

41 

41 

41 

41 

41

40 

39 

39 

39 

39 

39

41

January

max

39 

39 

39 

40 

40

40 

40 

39 

39 

39

39 

39 

39 

39 

39

39 

39 

39 

39 

39

39 

39 

39 

39 

39

39 

39 

39 

39 

41 

41

39

min

39 

39 

39 

40 

40

40 

39 

39 

39 

39

39 

39 

39 

39 

39

39 

39 

39 

39 

39

39 

39 

39 

39 

39

39 

39 

39 

39 

39 

41

39

February

max

41 

41 

40 

39 

40

40 

40 

40 

40

40

40 

42 

42 

42 

42

42 

42 

42 

40 

38

39 

39 

40 

40 

41

41 

38 

38

40

min

41 

40 

39 

39 

39

40 

40 

40 

40 

40

40 

40 

42 

42 

42

42 

42 

40 

38 

38

38 

39 

39 

40 

40

38 

37 

38

40

March

max

41 

42 

42 

42 

42

41 

43 

43 

44 

45

46 

47 

45 

44 

43

43 

44 

46 

46 

45

44 

47 

47 

48 

48

48 

48 

48 

48 

46 

48

45

min

39 

41 

42 

42 

41

41 

41 

43 

43 

44

45 

45 

43 

43 

43

43 

43 

44 

45 

44

43 

44 

47 

47 

48

48 

48 

48 

46 

44 

45

44

April

max

48 

45 

43 

43 

44

47 

48 

48 

48 

48

48 

48 

48 

48 

46

46 

47 

47 

45 

42

43 

47 

48 

48 

48

45 

45 

45 

45

47

46

mi

4

4

4

4

4

4

4

4

4

4

4

4

4

4

4

4

4

4

4

4

4

4

4

4

4

4

4

4

4

4

4
SACRAMENTO RIVER BASIN Continued 

PIT RIVER NEAR MONTGOMERY CREEK, CAL

LOCATION. At gaging station, 1 mile upstream from Cow Canyon Creek and 3.5 miles west .of the town 

DRAINAGE AREA. 5,170 square miles, approximately, excluding Goose Lake basin. 

RECORDS AVAILABLE. Water temperatures: June to September 1951, October 1953 to September 1955. 

EXTREMES, 1954-55. Water temperatures: Maximum, 68°F July 24-25, 30-31; minimum, 40°F Dec. 27. 

EXTREMES, 1951, 1953-55. Water temperatures: Maximum, 80°F July 22, 1951; minimum, 40°F Dec. 27

REMARKS. Values reported for dissolved solids are sums of determined constituents. Records of d

in WSP 1395.

Chemical analyses, in parts per million, water year Octobe

Date of collection

Oct. 11, 1954 .. . 

Feb. 10, 1955 . . .

July 18. .........

Discharge 

(cfs)

a 2, 990 

4,040 

4,680 

4,040 

2,560 

a2,480

Silica 

(Si02)

33 

29

28

Iron 

(Fe)

0.08

Calcium 

(Ca)

11 

9.7 

12 

10 

12 

15

Magnesium 

(Mg)

6.5 

7.3 

4.9 

7.1 

6.3 

4.9

Sodium 

(Na)

10 

10 

9.2 

11 

11 

11

Potassium 

(K)

2.2 

1.9 

2.2 

2.3 

2.2 

2.0

Bicarbonate 

(HCO,)

90 

90 

80 

91 

92 

89

Sulfate 

(S04 )

3.5 

4.0

Chloride 

(Cl)

3.0 

3.5 

3.0 

4.0 

4.0 

4.5

Fluoride 

(F)

0.2 

.0

Nitrate 

(NOS)

0.4 

.0

Boron 

(B)

0.04 

.00 

.06 

.06 

.11 

.16

a Daily mean discharge.
SACRAMENTO RIVER BASIN Continued 

PIT RIVER NEAR MONTGOMERY CREEK, CALIF. Co

Temperature (°F) of water, water year October 1954 to Sep

Day

4. ..................

5. ..................

6...................

7...................

8. ..................

15...................

16...................

17...................

19...................

21...................

26. ..................

27. ..................

28...................

31...................

October

max

59 

59 

58 

58 

58

57 

57 

57 

57 

57

57 

57 

56 

57 

57 

56 

57 

57 

56 

56

56 

56 

56 

55 

53

53 

53 

53 

53 

52 

50

56

mln

58 

58 

57 

57 

57

57 

57 

57 

56 

56

56 

56 

56 

56 

56

56 

56 

55 

56 

56

56 

56 

55 

53 

51

53 

53 

53 

52 

49 

47

55

November

max

50 

50 

50 

50 

50

50 

50 

50 

50 

50

50 

50 

50 

50 

50 

50 

50 

50 

50 

49

49 

49 

49 

49 

49

48 

48 

48 

47 

47

49

min

50 

50 

50 

50 

50

49 

50 

50 

50 

50

50 

50 

50 

49 

49

50 

50 

50 

49 

49

49 

49 

49 

49 

48

48 

48 

47 

46 

46

49

December

max

47 

47 

46 

46 

45

46 

45 

45 

45 

44

44 

43 

43 

43 

43 

43 

43 

42 

42 

42

42 

42 

42 

42 

42

42 

41 

41 

42 

42 

42

43

min

' 47 

46 

46 

45 

45

45 

45 

44 

43 

43

43 

42 

43 

43 

43

43 

42 

42

41 

41

42 

42 

42 

42 

42

41 

40 

41 

41 

42 

41

43

January

max

42 

42 

41 

42 

42

42 

42 

42 

42 

42

42 

42 

43 

42 

42 

41 

42 

42 

42 

42

42 

42 

42 

42 

43

43 

43 

43 

43 

43 

43

42

min

42 

41 

41 

41 

42

42 

41 

41 

41 

42

41 

42 

42 

41 

41

41 

41 

41 

42 

42

42 

42 

42 

42 

42

42 

43 

43 

43 

43 

43

42

February

max

43 

43 

43 

43 

43

43 

43 

43 

43 

43

43 

44 

44 

44 

44

45 

45 

45 

44 

44

44 

45 

44 

44 

45

45 

43 

44

44

min

43 

42 

42 

42 

42

42 

42 

43 

43 

43

43 

43 

44 

44 

44 

44 

45 

44 

44 

44

44 

44 

44 

44 

44

43 

43 

43

43

March

max

45 

45 

46 

46 

45

45 

46 

46 

46 

47

47 

47 

47 

47 

47

48 

48 

48 

48 

47

47 

48 

49 

49 

49

50 

50 

50 

50 

50 

51

48

min

44 

45 

45 

45 

43

44 

44 

45 

46 

46

47 

47 

46 

45 

47 

47 

47 

47 

47 

45

46 

47 

48 

48 

49

49 

50 

50 

49 

49 

50

47

April

max

51 

50 

50 

50 

50

51 

51 

51 

51 

52

52 

53 

53 

52 

52

52

51 

51 

51 

50

49 

49 

50 

50 

50

49 

49 

49 

49 

50

51

min

50 

49 

48 

47 

49

50 

50 

50 

50 

50

50 

51 

52 

51 

50

51 

49 

50 

50 

49

48 

49 

49 

48 

48

48 

48 

49 

48 

49

49
SACRAMENTO RIVER BASIN Continued

McCLOUD RIVER ABOVE SHASTA LAKE, CALIF.

LOCATION. At gaging station just upstream from Shasta Lake, 0.2 mile downstream from Big Bollibokk

Shasta County.

DRAINAGE AREA. 606 square miles.

RECORDS AVAILABLE. Water temperatures: June to September 1951, October 1953 to September 1955. 

EXTREMES, 1954-55. Water temperatures: Maximum, 56°F June 10-13; minimum, 38°F Jan. 18.

EXTREMES, 1951, 1953-55.--Water temperatures: Maximum, 56°F June 10-13, 1955; minimum, 38°F Jan. 1

PEMARKS. Values reported for dissolved solids are sums of determined constituents. Records of disc

given in WSP 1395.

Chemical analyses, in parts per million, water year October 1954 t

Date of collection

Oct. 11, 1954 ... 

May 16, 1955 ...

Sept. 13 .........

Discharge 

(cfs)

1,100 

1,780 

1,150

1,000 

a 982 

916

Silica 

(Si02)

36 

27

33 

33

Iron 

(Fe)

0.01

.00

Calcium 

(Ca)

8.6 

11 

10

9 3

10 

11

Magnesium 

(Mg)

3.8 

2.6 

3.2

3

Q

3.9 

2.1

Sodium 

(Na)

4.6 

4.0 

4.8

5.4 

4.6

Potassium 

(K)

1.4 

.9 

1.2

1.5 

1.5

Bicarbonate 

(HCO,)

58 

57 

59

61 

62

57

Sulfate 

(SOJ

2.3

1.8 

1.6

Chloride 

(Cl)

0.8 

1.0 

1.0

1.2 

1.5 

.9

Fluoride 

(F)

0.0

.0 

.0

Nitrate 

(NO,)

0.2

.0 

.1

Boron 

(B)

0.00 

.02 

.01

.02 

.01 

.00

a Daily mean discharge.
SACRAMENTO RIVER BASIN Continued 

McCLOUD RIVER ABOVE SHASTA LAKE, CALIF.-

Temperature (°Tr) of water, water year October 1954 to 

Day

4. ..................

5. ..................

6. ..................

7. ..................

8...................

13. ..................

14. ..................

18...................

20. ..................

22. ..................

23. ..................

25...................

26...................

29. ..................

31...................

October

max

48 

48 

47 

48 

48

49 

49 

49 

49 

48

48 

48 

48 

48 

48

48 

49 

48 

49 

49

48 

48 

48 

47 

46 

45 

46 

46 

46 

46 

45

48

min

48 

47 

47 

47 

48

48 

49 

49 

48 

48

48 

48 

48 

48 

48

48 

48 

47 

48 

48

48 

48 

47 

46 

45 

45 

45 

45 

45 

45 

44

47

November

max

46 

46 

46 

46 

46 

46 

46 

47 

47 

47

48 

48 

47 

46 

47

47 

47 

47 

46 

46

46 

46 

46 

46 

45 

45 

45 

45 

44 

43

46

min

45 

46 

46 

46 

45 

45 

46 

46 

47 

47

47 

47 

46 

46 

46

47 

47 

46 

46 

46

46 

46 

46 

45 

45 

45 

45 

44 

43 

42

46

December

max

42 

43 

44 

43 

45

45 

45 

44 

42 

41

41 

41 

41 

42 

42

41 

41 

41 

41 

41

41 

41 

42 

42 

42 

41 

40 

40 

41 

41 

41

42

min

42 

42 

43 

43 

43 

44 

44 

43 

40 

41

40 

40 

41 

41 

42

41 

41 

41 

41 

41

41 

41 

41 

42 

41 

40 

39 

39 

40 

41 

41

41

January

max

42 

42 

40 

40 

41

41 

40 

41 

42 

43

43 

42 

43 

43 

42

42 

42 

41 

42 

42

43 

44 

44 

43 

43 

43 

43 

43 

44 

44 

44

42

min

42 

40 

40 

40 

40

40 

40 

41 

41 

42

42 

42 

42 

42 

41 

41 

41 

38 

41 

42

42 

44 

45 

43 

43 

43 

43 

43 

43 

44 

44

42

February

max

44 

43 

42 

43 

43

44 

44 

45 

45 

45

45 

45 

45 

45 

45

45 

45 

45 

43 

43

44 

45 

45 

46 

46 

46 

45 

45

44

min

43 

42 

42 

42 

43

44 

44 

44 

45 

44

44 

45 

45 

45 

45

45 

45 

43 

43 

43

43 

34 

45 

45 

46 

44 

44 

45

44

March

max

46 

46 

46 

46 

45

46 

46 

46 

46 

47

47 

47 

47 

46 

45

45 

45 

45 

45 

45

45 

46 

47 

47 

47 

47 

47 

47 

47 

46 

47

46

min

45 

46 

46 

45 

45 

45 

46 

45 

46 

46

46 

47 

46 

45 

44

44 

44 

45 

45 

44

44 

45 

46 

46 

47 

46 

47 

47 

46 

44 

44

45

April

max

47 

46 

44 

44 

46

46 

47 

47 

47 

47

47 

47 

48 

48 

46

46 

46 

45 

45 

43

44 

46 

47 

47 

47 

45 

45 

45 

45 

47

46

m
SACRAMENTO RIVER BASIN Continued

SACRAMENTO RIVER AT KESWICK, CALIF.

LOCATION. At gaging station 0.6 mile downstream from Keswick Dam, Shasta County, 0.6 mile upstrea

Dam.

DRAINAGE AREA. 6,710 square miles,approximately.excluding Goose Lake basin. 

RECORDS AVAILABLE.--Chemical analyses: December 1953 to September 1955. 

REMARKS. Values reported for dissolved solids are sums of determined constituents. Records of d

given in WSP 1395.

Chemical analyses, In parts per million, water year October 1954 to 

Date of collection

Oct. 12, 1954 .....

Dec 29

Jan. 19, 1955 .....

May 12 ...........

July 18 ...........

Sept. 13 ..........

Discharge 

(cfs)

6,140 

5,170 

6,320 

8,750 

4,280 

3,120

7,530 

6,370 

9,090 

11,300 

7,740

Silica 

(Si02)

21 

24

25 

24

Iron 

(Fe)

0.05 

.00

Calcium 

(Ca)

9.5 

10 

8.7 

11 

9.7 

8.8

11 

11 

11 

11 

12

Magnesium 

(Mg)

4.0 

4.6 

5.5 

3.5 

6.2 

5.6

4.8 

4.8 

4.8 

5.0 

3.7

Sodium 

(Na)

4.6 

5.1 

6.2 

6.0 

7.9 

7.0

7.3 

7.3 

6.9 

7.3 

5.6

Potassium 

(K)

1.1 

1.2 

1.2 

1.0 

1.8 

1.9

1.5 

1.5 

1.3 

1.4 

1.3

Bicarbonate 

(HCO,)

58 

54 

64 

57 

73 

67

71 

67 

70 

71 

66

Sulfate 

(SO,)

8.0 

3.0

Chloride 

(Cl)

2

0

3

C

3.0 

2.8 

3.0 

1.8

Fluoride

0.1 

.1

Nitrate 

(NO,)

0.2 

. 1

Boron 

(B)

02

no

.06 

.04 

.07 

.09
SACRAMENTO RIVER BASIN Continued 

SACRAMENTO RIVER NEAR REDDING, CALIF.

LOCATION. Near gaging station 2.5 miles south of Redding, Shasta County, and 3.3 miles upstream f

RECORDS AVAILABLE. Chemical analyses: December 1953 to September 1955.

REMARKS. Values reported for dissolved solids are sums of determined constituents. Gaging statio

Division of Water Resources. Records of discharge for water year October 1954 to September 195

Supervision for 1954 and. Report of Sacramento-San Joaquin Water Supervision for 1955.

Chemical-analyses, in parts per million, water year October 1954 to 

Date of collection

Oct. 10, 1954 .....

Dec. 29 ..........

Jan. 19, 1955 ..... 

Feb. 9 ...........

Mar. 8 ...........

Apr. 13. ..........

May 11 ...........

July 14 ...........

Sept. 12 ..........

Discharge

(els)

5,910 

4,970 

6,420 

7,400 

4,360 

3,000

6,050 

5,540 

8,920 

11,200 

7,200

Silica 

(Si02)

21 

24

25 

23

Iron 

(Fe)

0.06 

.03

Calcium 

(Ca)

10 

10 

8.3 

11 

11 

8.1

11 

11 

10 

10 

13

Magnesium 

(Mg)

3.7 

4.6 

6.0 

4.0 

5.3 

6.3

4.8 

4.8 

5.1 

5.1 

3.0

Sodium 

(Na)

4.6 

5.3 

6.3 

6.8 

8. 2 

7.4

7.1 

7.4 

7.1 

7.1 

6.0

Potassium 

(K)

0.9 

1.3 

1.4 

1.4 

1.6 

1.6

1.4 

1.4 

1.3 

1.4 

1.3

Bicarbonate 

(HCO,)

58 

53 

64 

64 

72 

66

71 

66 

69 

70 

66

Sulfate 

(SO,)

8.5 

3.0

Chloride 

(Cl)

1.5 

2.5 

2. 8 

3.0 

3.2 

2.8

3.2 

3.2 

2.8 

2.8 

2.0

Fluoride 

(F)

0.1 

. 1

Nitrate 

(NO,)

0.2 

.4

Boron 

(B)

0.03 

.02 

.02 

.00 

.00 

.00

.06 

.06 

.02 

.05 

.05
SACRAMENTO RIVER BASIN Continued

COTTONWOOD CREEK NEAR COTTONWOOD, C

LOCATION. At gaging station, 2 miles east of Cottonwood, Shasta County, and 2.4 miles upstream fr

DRAINAGE AREA. 945 square miles.

RECORDS AVAILABLE. Chemical analyses: October 1953 to September 1955.

REMARKS. Values reported for dissolved solids are sums of determined constituents. Records of di

given in WSP 1395.

Chemical analyses, in parts per million, water year October 1954 to 

Date of collection

Oct. 13, 1954 ....

Jan. 10, 1955 .... 

Feb. 7 ..........

July 13 ..........

Ancr 17

Seut. 14 .........

Discharge 

(cfs)

130 

343 

3,510 

492 

520 

369 

369

804 

239 

88 

b74 

67 

85

Silica 

(Si02)

23

26 

27

Iron 

(Fe)

0.02 

.05

Calcium 

(Ca)

18 

28 

8.1 

26 

28 

27 

24

13 

21 

17 

21 

14 

14

Magnesium 

(Mg)

8.5 

6.8 

5.1 

10 

12 

12 

11

7.4 

8.4 

12 

8.2 

8.8 

7.4

Sodium 

(Na)

8.3 

14 

5.6 

11 

12 

11 

9.5

7.0 

9.3 

8.7 

8.6 

8.3 

8.3

Potassium 

(K)

1.3 

1.5 

1.5 

.9 

.8 

1.0 

.8

2.7 

1.7 

1.2 

1.5 

1.4 

1.8

Bicarbonate 

(HCOS )

100 

111 

47 

122 

138 

a!31 

126

77 

112 

117 

112 

99 

92

Sulfate 

(SOJ

9.8

5.4 

4.0

Chloride 

(Cl)

7.2 

24 

6.8 

13 

9. 5 

11 

9.4

2.8 

6.2 

6.5 

6.7 

4.0 

3.5

Fluoride 

(F)

0.2

.0 

.3

Nitrate 

(N03 )

1.2

.5 

.5

Boron 

(B)

0.05 

.09 

. 10 

.02 

.03 

.00 

.05

. 16 

.07 

. 16 

.00 

.08 

.02

a Includes equivalent of 2 parts per million of carbonate (CO3 ). 

b Daily mean discharge.
SACRAMENTO RIVER BASIN Continued

SACRAMENTO RIVER AT BEND, CALIF.

LOCATION.--At highway bridge at Bend about 7.9 miles upstream from gaging station near Red Bluff, 

9 miles north of Red Bluff, Tehama County.

DRAINAGE AREA. 9,300 square miles, approximately, excluding Goose Lake basin (above gaging stati

RECORDS AVAILABLE.--Chemical analyses: May to September 1955. 

Water temperatures: May to September 1955.

EXTREMES, 1955. Water temperatures: Maximum, 60°F May 12.

REMARKS. Values reported for dissolved solids are residues on evaporation. Daily samples for ch

specific conductance of daily samples available in district office at Sacramento, Calif. Disc

Calif, for water year October 1954 to September 1955 given in WSP 1395. No appreciable inflow 

Chemical analyses, in parts per million, May to Septembe

Date of collection

May 1-4, 1955 ....

May 24-31 ........

June 1-10 ........

June 11-20 .......

July 1-10.........

July 21-31........

Aug. 1-10 ........

Sept. 1-10........

Sept. 11-20.......

Sept. 21-30.......

Discharge 

(els)

8,435 

7,739 

8,401 

7,286 

8,004 

8,890

10, 170 

11,360 

11,290 

10, 890 

11,210 

10,510

8,859 

8,495 

7,392 

5,868

Silica 

(S102)

25 

25 

25 

26 

27 

27

26 

26 

23 

23 

25 

28

27 

25 

26 

26

Iron 

(Fe)

0.07 

.04 

.01 

.00 

.01 

.03

.05 

.05 

.05 

.04 

.02 

.03

.02 

.01 

.02 

.01

Calcium 

(Ca)

14 

13 

13 

12 

11 

12

11 

11 

11 

11 

11 

11

11 

11 

11 

12

Magnesium 

(Mg)

4.9 

4.8 

4.3 

5.1 

5.2 

4.9

6.2 

5.5 

5.1 

5.2 

5.0 

5.0

5.0 

5.0 

5.0 

4.4

Sodium 

(Na)

7.2 

6.9 

8.0 

7.0 

8.1 

7.4

7.9 

7.9 

6.9 

6.9 

7.7 

7.6

7.7 

6.9 

6.7 

6.8

Potassium 

(K)

1.7 

1.4 

1.6 

1.4 

1.8 

2.1

2.2 

2.5 

2.1 

2.1 

1.9 

2.1

1.4 

1.4 

1.4 

1.4

Bicarbonate 

(HCO,)

71 

71 

71 

71 

72 

72

71 

71 

71 

71 

70 

70

71 

69 

69 

69

Sulfate 

(S04 )

11 

9.3 

8.0 

8.2 

4.9 

5.6

5.1 

5.1 

5.7 

5.0 

4.0 

4.0

3.0 

3.0 

4.0 

4.0

Chloride 

(Cl)

3.0 

2.0 

3.5 

2.0 

3.8 

3.5

3.8 

3.2 

2.4 

2.6 

3.0 

3.0

3.0 

3.0 

3.0 

3.2

Fluoride 

(F)

0.0 

.0 

.1 

.0 

.1 

.2

.3 

.3 

.2 

.2 

.1 

.2

.1 

.1 

.1 

.1

Nitrate 

(NOS )

0.6 

.3 

.5 

.3 

.5 

.5

.9 

.8 

.8 

.8 

.6 

.7

.2

.4 

.4 

.5

Boron 

(B)

0.00 

.00 

.01 

.12 

.06 

.05

.10 

.05 

.07 

.05 

.08 

.01

.06 

.11 

.07 

.05
272 PACIFIC SLOPE BASINS IN CALIFORNIA

SACRAMENTO RIVER BASIN--Continued

SACRAMENTO RIVER AT BEND, CALIF.--Continued

Temperature (°F) of water, May to September 1955 

/Once-daily measurement at approximately 5 p. m._7

Day

1

2

3

4

5

6

7

8

9

10

11

12

13

14

15

16

17

18

19

20

21

22

23

24

25

26

27

28

29

30

31

Average

Oct. Nov. Dec. Jan. Feb. Mar. Apr. May

54

54

55

56

57

58

58

58

58

59

59

60

56

56

54

54

52

58

60

58

59

57

57

57-

57

55

55

55

54

55

56

56

June

55

59

59

58

57

58

59

53

55

53

53

52

53

48

52

52

52

55

55

58

56

50

56

56

56

54

56

53

54

59

55

July

54

54

55

55

55

55

56

55

55

54

55

55

58

58

55

55

55

57

55

57

55

55

56

56

55

55

56

55

55

56

56

55

Aug.

55

55

56

55

55

54

56

55

56

55

55

55

55

55

55

55

55

55

55

56

..

56

55

._

--

56

56

55

55

55

--

55

Sept.

56

56

57

57

57

57

57

56

57

56

56

56

56

55

56

55

55

55

56

56

56

57

56

56

55

55

55

55

55

55

55

56
SACRAMENTO RIVER BASIN Continued

MILL CREEK NEAR LOS MOUNDS, CALIF.

LOCATION. At bridge on U. S. Highway 99, 4.5 miles below gaging station near Los Molinos, Tehama 

DRAINAGE AREA. 134 square miles, above gaging station.

RECORDS AVAILABLE. Chemical analyses: October 1953 to September 1955.

REMARKS. Values reported for dissolved solids are sums of determined constituents. Records of di

given in WSP 1395. Records of discharge for gaging station near Los Molinos, Calif. Considera

point.

Chemical analyses, in parts per million, water year October 1954 to 

Date of collection

Oct 13, 1954 .....

Jan. 11, 1955.....

May 11 ...........

Sept. 14 ..........

Discharge 

(cfs)

130 

151 

375 

164 

161 

156

225 

466 

258 

125

94 

94

Silica 

(Si02)

27

37 

40

Iron 

(Fe)

0.05 

.04

Calcium 

(Ca)

13 

13 

8.1 

13 

13 

13

7.7 

7.6 

12 

15 

19 

16 

18

Magnesium 

(Mg)

5.3 

6.2 

4.6 

4.0 

5.7 

5.0

5.1 

2.4 

1.1 

7.9 

5.7 

9.3 

9.3

Sodium 

(Na)

17 

18 

10 

14 

16 

16

12 

7.3 

11 

15 

15 

17 

16

Potassium 

(K)

2.5 

2.7 

1.7 

1.9 

2.2 

2.6

2.1 

1.6 

3.1 

3.1 

3.7 

3.2 

3.8

Bicarbonate 

(HCOS)

64 

63 

47 

62 

66 

64

54 

36 

38 

81 

85 

92 

98

Sulfate 

(S04 )

10

17 

16

Chloride 

(Cl)

20 

24 

13 

16 

17 

18

13 

6.5 

9.0 

16 

16 

18 

19

Fluoride 

(F)

0.1

.0 

.0

Nitrate 

(NO,)

0.2

.2 

.5

Boron 

(B)

0.43 

.65 

.35 

.37 

.46 

.25

.39 

.19 

.06 

.52 

.41 

.49 

.46
SACRAMENTO RIVER BASIN Cont inued

DEER CREEK AT VINA, CALIF.

LOCATION.--At gaging station downstream from U. S. Highway 99, 1 mile north of Vina, Tehama County 

RECORDS AVAILABLE.--Chemical analyses: October 1953 to September 1955.

REMARKS. Values reported for dissolved solids are sums of determined constituents. Gaging station 

Division of Water Resources. Records of discharge for water year October 1954 to September 195

Supervision for 1954 and Report of Sacramento-San Joaquin Water Supervision for 1955.

Chemical analyses, in parts per million, water year October 1954 to 

Date of collection

Oct. 11, 1954 .....

Dec. 7 ...........

Jan. 11, 1955 .....

Discharge 

(cfs)

20 

128 

643 

158 

144 

122

127 

114 

6 

2

.4 

1.5

Silica 

(Si02)

27

37 

46

Iron 

(Fe)

0.00 

.00

Calcium 

(Ca)

13 

13 

7.8 

12 

12 

12

7.7 

8.5 

13 

17 

33 

27 

34

Magnesium 

(Mg)

6.1 

7.2 

5.1 

5.4 

6.5 

6.8

7.0 

3.8 

9.9 

16 

5.8 

20 

14

Sodium 

(Na)

11 

11 

5.6 

8.6 

9.0 

8.9

7.0 

4.8 

10 

14 

14 

16 

15

Potassium 

(K)

2.0 

1.8 

1.2 

1.3 

1.6 

1.5

1.3 

1.3 

2.1 

2.7 

2.8 

2.9 

3.1

Bicarbonate 

(HC03)

92 

90 

60 

82 

83 

84

76 

52 

al!3 

b!64 

159 

215 

203

Sulfate 

(SO,)

1.1

3.8 

4.8

Chloride 

(Cl)

6.5 

6.0 

3.0 

4.2 

4.0 

4.5

2.5 

1.2 

4.0 

5.0 

5.4 

6.0 

6.5

Fluoride 

(F)

0.2

.0 

.1

Nitrate 

(NO,)

0.3

.1 

.1

Boron 

(B)

0.19 

.12 

.09 

.03 

.09 

.10

.07 

.01 

.13 

.22 

.12 

.18 

.12

a Includes equivalent of 3 parts per million of carbonate (CO,), 

b Includes equivalent of 6 parts per million of carbonate (CO,).
SACRAMENTO RIVER BASIN--Continued 

SACRAMENTO RIVER NEAR HAMILTON CITY, CALI

LOCATION. At gaging station on bridge, State Highway 32, 1.3 miles northeast of Hamilton City, G

RECORDS AVAILABLE. Chemical analyses: October 1953 to September 1955.

REMARKS.--Values reported for dissolved solids are sums of determined constituents. Station main

of Water Resources. Records of discharge for water year October 1954 to September 1955 given 

for 1954 and Report of Sacramento-San Joaquin Water Supervision for 1955.

Chemical analyses, in parts per million, water year October 1954 to 

Date of collection

Oct. 14, 1954 .... 

Nov. 11 ..........

Dec. 7 ...........

Jan. 11, 1955..... 

Feb. 7 ...........

Mar. 7..... ......

Apr. 4 ...........

May 12. ..........

Aug. 18..........

Sept. 15...... ....

Discharge 

(cfs)

6,340 

7,420 

25,700 

11,200 

7,400 

5,320

5,140 

7,550 

6,830 

8,930 

7,870 

6,700

Silica 

(Si02)

24

25 

27

Iron 

(Fe)

0.04 

.03

Calcium 

(Ca)

12 

12 

9.3 

11 

15 

14

12 

12 

13 

11 

12 

11

Magnesium 

(Mg)

3.9 

4.6 

3.4 

4.9 

6.7 

6.8

6.1 

5.4 

3.9 

5.2 

5.1 

5.3

Sodium 

(Na)

6.2 

7.9 

4.9 

6.8 

8.8 

9.5

8.7 

6.9 

7.8 

7.7 

7.4 

6.0

Potassium 

(K)

1.1 

2.1 

1.0 

1.0 

1.2 

1.5

1.5 

1.3 

1.5 

1.3 

1.6 

1.3

Bicarbonate 

(HCO3 )

65 

58 

44 

66 

84 

84

78 

70 

72 

73 

74 

70

Sulfate 

(S04 )

7.3 

5.2

Chloride 

(CD

2.0 

7.0 

3.0 

4.8 

5.0 

5.0

3.2 

4.2 

3.2 

3.2 

3.2 

2.0

Fluoride 

(F)

0.0 

.2

Nitrate 

(NO,)

0.3 

.2

Boron 

(B)

0.04 

.07 

.04 

.00 

.06 

.10

.06 

.04 

.08 

.10 

.00 

.01
SACRAMENTO RIVER BASIN--Continued

BIG CHICO CREEK NEAR CHICO, CALIF

LOCATION. At gaging station in Arroyo Chico Grant, 1 mile upstream from golf clubhouse in Munic

DRAINAGE AREA. 68.3 square miles.

RECORDS AVAILABLE. Chemical analyses: October 1953 to September 1955.

REMARKS. Values reported for dissolved solids are sums of determined constituents. Records of 

given in WSP 1395.

Chemical analyses, in parts per million, water year October 19

Date of collection

Oct. 14, 1954....

Dec. 8 .........

Jan. 11, 1955 ...

Sept. 15.........

Discharge 

(cfs)

31 

39 

157 

67 

84 

98

66 

102 

38 

28 

a25 

25 

37

Silica 

(Si08)

40

34

38 

42

Iron 

(Fe)

0.00 

.00

Calcium 

(Ca)

17 

15 

7.7 

13 

12 

11

9.4 

11 

15 

16 

22 

16 

17

Magnesium 

(Mg)

7.9 

7.4 

5.2 

6.1 

5.1 

6.2

7.9 

6.0 

7.3 

8.0 

4.4 

9.8 

8.2

Sodium 

(Na)

14 

13 

5.3 

10 

7.9 

7.6

8.8 

6.9 

12 

14 

14 

15 

14

Potassium 

(K)

1.3 

1.2 

.6 

.7 

1.0 

.8

.9 

.9 

1.3 

1.3 

1.3 

1.4 

1.6

Bicarbonate 

(HCOS)

108 

91 

56 

81 

71 

71

82 

71 

98 

108 

107 

115 

110

Sulfate 

(SO,)

3.6

4.9 

4.6

Chloride 

(Cl)

10 

12 

5.3 

8.8 

5.0 

5.0

5.8 

6.0 

8.3 

10 

11 

12 

10

Fluoride 

(F)

0.0

.0 

.2

Nitrate 

(NO,)

0.1

.1 

.2

Bo

ron 

(B

0.1

.1

.0

.1

.0

.0

.0

.0

.1

.2

.1

.2

.0

a Daily mean discharge (cfs).
SACRAMENTO RIVER BASIN--Continued

STONY CREEK NEAR HAMILTON CITY, CAL

LOCATION. At gaging station in Capay Grant, 2.3 miles southwest of Hamilton City, Glenn County, 

DRAINAGE AREA. 764 square miles.

RECORDS AVAILABLE. Chemical analyses: October 1953 to July 1955.

REMARKS. Values reported for dissolved solids are sums of determined constituents. Records of di

in WSP 1395.

Chemical analyses, in parts per million, October 1954 t

Date of collection

Oct. 14, 1954 ...

Dec. 7 .........

Jan. 11, 1955....

Feb. 23 .........

Apr. 4 ..........

July 19 ..........

Discharge 

(cfs)

19 

25 

256 

106 

100 

65 

56

0 

1.2

Silica 

(8i02)

10

11

14 

25

Iron 

(Fe)

0.01

Calcium 

(Ca)

40 

40 

31 

38 

41 

39 

42

39 

39 

16

Magnesium 

(Mg)

16 

16 

12 

15 

16 

9.4 

16

18 

14 

5.2

Sodium 

(Na)

17 

18 

17 

17 

20 

16 

18

18 

18 

8.4

Potassium 

(K)

1.1 

1.1 

1.2 

.7 

.6 

.7 

.9

.7 

.9 

1.3

Bicarbonate 

(HCOS)

197 

184 

128 

a 168 

b!74 

134 

176

193 

174 

88

Sulfate 

(S04 )

27

21 

5.1,

Chloride 

(Cl)

17 

23 

26 

26 

29 

26 

26

21 

25 

4.5

Fluoride 

(F)

0.1

.1 

.0

Nitrate 

(NO,)

0.2

.6

.1

Boron 

(B)

0.21 

.18 

.09 

.04 

.09 

.02 

.00

.10 

.15 

.06

a Includes equivalent of 4 parts per million of carbonate (CO3). 

b Includes equivalent of 7 parts per million of carbonate (CO3).
SACRAMENTO RIVER BASIN--Continued 

SACRAMENTO RIVER AT BUTTE CITY, CALIF.

LOCATION.--At highway bridge just below gaging station, 0.5 mile south of Butte City, Glenn County. 

RECORDS AVAILABLE. Chemical analyses: May to September 1955.

Water temperatures: May to September 1955.

EXTREMES, 1955. Water temperatures: Maximum, 74 °F June 5, 7.

REMARKS.--Values reported for dissolved solids are residues on evaporation. Daily samples for chemi

specific conductance of daily samples available in district office at Sacramento, Calif. Record

September 1955 given in WSP 1395.

Chemical analyses, in parts per million, May to September 

Date of collection

May 1-10, 1955... 

May 11-20........

July 1-10...... ...

July 11-20........

Aug. 21-31.......

Sept. 21-30 ......

Mean 

discharge 

(cfs)

8,213 

6,957 

6,384 

5,929 

6,532 

7,432

8,701 

8,634 

8,260 

8,332 

7,986 

6,645

6,686 

6,463 

5,377

Silica 

(Si02)

31 

30 

31 

29 

28 

27

27 

28 

27 

27 

26 

27

29 

27 

26

Iron 

(Fe)

0.05 

.02 

.00 

.02 

.02 

.02

.02 

.03 

.02 

.02 

.03 

.01

.00 

.01 

.03

Calcium 

(Ca)

13 

13 

13 

13 

12 

12

12 

12 

12 

12 

12 

12

12 

12 

12

Magnesium 

(Mg)

6.7 

6.0 

5.5 

5.5 

5.8 

5.1

4.9 

5.1 

5.6 

5.1 

4.9 

5.6

5.6 

5.6

5.8

Sodium 

(Na)

7.3 

7.3 

8.0 

8.3 

8.1 

8.3

8.1 

8.0 

7.8 

7.3 

7.0 

7.2

7.2 

7.1 

7.3

Potassium 

(K)

1.8 

1.6 

1.5 

1.8 

2.0 

2.3

2.2 

1.6 

1.8 

1.7 

2.0 

1.6

1.4 

1.8 

1.9

Bicarbonate 

(HCO,)

76 

76

78 

78 

77 

76

75 

76 

75 

75 

73 

75

75 

74 

77

Sulfate 

(S0<)

10 

8.2 

6.6 

5.9 

5.4 

5.2

5. 1 

4.9 

4.9 

3.0 

3.0 

5.0

3.0 

4.0 

3.0

Chloride 

(Cl)

4.0 

3.5 

3.8 

4.0 

3.8 

3.2

3.2 

3.0 

3.0 

3.0 

3.0 

3.2

3.0 

3.2 

3.5

Fluoride 

(F)

0.2 

.2 

.2 

.1 

.2 

.2

.1 

.2 

.1 

.1

.1 

.1

.1 

.1 

.1

Nitrate 

(N03 )

0.5 

.6 

.4 

.8 

.6 

.7

.6 

.4 

.4 

.4 

.8 

.3

.3 

.4 

.5

Boron 

(B)

0.08 

.01 

.05 

.08 

.06 

.07

.02 

.04 

.07 

.16 

.01 

.11

.13 

.11 

.01
SACRAMENTO RIVER BASIN 279

SACRAMENTO RIVER BASIN--Continued 

SACRAMENTO RIVER AT BUTTE CITY, CALIF.--Continued

Temperature (°F) of water, May to September 1955 

/Once-daily measurement at approximately 4 p. m. to 6 p. in.7

Day

1

2

3

4

5

6

7

8

9

10

11

12

13

14

15

16

17

18

19

20

21

22

23

24

25

26

27

28

29

30

31

Average

Oct. Nov. Dec. Jan. Feb. Mar. Apr. May

55

57

59

61

64

64

62

64

65

67

67

68

64

61

61

62

63

_

67

68

68

65

66

65

65

65

66

68

67

67

60

64

June

64

67

66

68

71

74

64

74

61

67

67

67

66

63

62

64

66

66

67

66

67

65

66

64

65

53

68

63

62

62

--

66

July

63

64

63

64

63

64

64

64

64

65

66

66

66

66

66

65

65

65

65

65

66

66

66

66

65

65

65

67

66

65

66

65

Aug.

65

66

67

65

65

64

65

65

65

66

66

65

66

65

65

64

64

65

64

65

65

__

64

64

65

64

65

66

65

65

65

65

Sept.

66

65

66

66

66

66

66

65

65

65

65

64

64

63

63

63

63

62

63

63

63

63

64

64

63

63

63

63

62

62

--

64
SACRAMENTO RIVER BASIN Continued

BUTTE CREEK NEAR CHICO, CALIF.

LOCATION.--At gaging station, 0.7 mile downstream from Little Butte Creek and 7.5 miles east of Ch

DRAINAGE AREA. 148 square miles.

RECORDS AVAILABLE. Chemical analyses: October 1953 to September 1955.

REMARKS. Values reported for dissolved solids are sums of determined constituents. Records of di

given in WSP 1395.

Chemical analyses, in parts per million, water year October 1954 to 

Date of collection

Oct. 14, 1954 ..... 

Nov. 11 ..........

Jan. 11, 1955 .....

July 20 ...........

Discharge 

(cfs)

92 

174 

393 

270 

242 

242

a 330 

577 

227 

160 

a 160 

129 

160

Silica 

(Si02)

23

20

17 

23

Iron 

(Fe)

0.00 

.00

Calcium 

(Ca)

13 

12 

8.1 

11 

12 

11

5.2 

6.8 

9.8 

16 

14 

11 

12

Magnesium 

(Mg)

4.0 

4.6 

4.3 

4.5 

4.0 

4.5

5.2 

3.4 

3.4 

1.2 

2.3 

5.0 

4.2

Sodium 

(Na)

3 9 

3.7 

2.8 

3.3 

3.8 

3.8

3.4 

2.5 

3.3 

3.7 

3.8 

4.1 

3.3

Potassium 

(K)

0.9 

1.0 

.8 

.6 

.7 

.8

.8 

.7 

.8 

.9 

.9 

1.0 

.9

Bicarbonate 

(HCO,)

70 

64 

51 

61 

63 

61

52 

41 

56 

65 

64 

68 

66

Sulfate 

(SO,)

1.3

2.8 

1.2

Chloride 

(CD

0.5 

1.0 

1.6 

1.5 

.8 

1.0

.8 

.5 

.4 

.5 

.0 

.8 

.0

Fluoride 

<F)

0.0

.0 

.1

Nitrate 

(NO,)

0.3

.1 

.1

Boron 

(B)

0.00 

.05 

.03 

.10 

.00 

.00

.01 

.06 

.00 

.08 

.01 

.04 

.00

a Daily mean discharge (cfs).
SACRAMENTO RIVER BASIN Continued

COLUSA TROUGH NEAR COLUSA, CALIF.

LOCATION. At gaging station, 3 miles west of Colusa, Colusa County, on State Highway 20, and 6 

RECORDS AVAILABLE. Chemical analyses: October 1953 to September 1955.

REMARKS. Values reported for dissolved solids are sums of determined constituents. Gaging sta

Division of Water Resources. Records of discharge for water year October 1954 to September 

Supervision for 1954 and Report of Sacramento-San Joaquin Water Supervision for 1955. This 

the Back Barrow Pit and enters the Sacramento River just above Knights Landing gaging station

Chemical analyses, in parts per million, water year October 1954 

Date of collection

Oct. 15, 1954.....

Jan. 12, 1955 .....

Sept. 19 ..........

Discharge 

(cfs)

347 

1,090 

969 

470 

147 

92

298 

1,000 

607 

699 

827 

583

Silica 

(Si02)

17 

18

Iron 

(Fe)

0.10 

.05

Calcium 

(Ca)

36 

33 

38

49 

70 

51

21 

23 

26 

23 

26 

27

Magnesium 

(Mg)

24 

26 

34 

39 

59 

55

18 

16 

16 

20 

19 

21

Sodium 

(Na)

78 

100 

148 

160 

224 

185

42 

51 

56 

51 

48 

51

Potassium 

(K)

2.6 

5.3 

3.9 

2.6 

1.2 

2.2

2.3 

2.6 

1.5 

1.7 

1.6 

2.2

Bicarbonate 

(HCOS)

224 

200 

243 

281 

a 352 

b339

158 

174 

194 

209 

205 

207

Sulfate 

(S04 )

57 

57

Chlorids 

(Cl)

50 

63 

101 

107 

164 

126

24 

26 

28 

22 

23 

29

Fluoride 

(F)

0.2 

.5

Nitrate 

(NO,)

1.1 

1.2

Bo

ro

(B

0.3

.2

.

.2

.3

.

.

.2

.0

.2

.2

.2

a Includes equivalent of 12 parts per million of carbonate (CO,), 

b Includes equivalent of 10 parts per million of carbonate (CO,).
SACRAMENTO RIVER BASIN--Continue

SACRAMENTO RIVER AT KNIGHTS LANDING, 

LOCATION.--At Southern Pacific Railroad bridge, at Knights Landing, Yolo County, just downstream 

Sacramento. 

RECORDS AVAILABLE.--Chemical analyses: March 1951 to September 1955.

Water temperatures: March 1951 to September 1955. 

EXTREMES, 1954-55.--Dissolved solids: Maximum, 243 ppm May 28-30; minimum, 83 ppm Apr. 21.

Hardness: Maximum, 115 ppm Aug. 26-28; minimum, 42 ppm Nov. 14, 16-19.

Specific conductance: Maximum daily, 406 micromhos May 29; minimum daily, 106 micromhos Nov. 

Water temperatures: Maximum, 70°F on several days during June to September; minimum, 43°F on 

EXTREMES, 1951-55. Dissolved solids: Maximum, 244 ppm May 12, 19, 1953; minimum, 83 ppm Apr. 2

Hardness: Maximum, 115 ppm Aug. 26-28, 1955; minimum, 42 ppm Nov. 14, 16-19, 1954.

Specific conductance: Maximum daily, 447 micromhos Sept. 9, 1952; minimum daily, 99.1 micromh

Water temperatures: Maximum, 78°F July 23, 1952; minimum, 42°F Jan. 3, 9-11, 1952.

REMARKS.--Values reported for dissolved solids are residues on evaporation. Records of specific 

at Sacramento, Calif. Records of discharge for water year October 1954 to September 1955 giv

season of return water from drainage canal about 0.3 mile above sampling site. Mixing not com

Chemical analyses, in parts per million, water year October 1954 

Date of collection

Oct. 1-10, 1954...

Nov. 11-13, 15, 20 

Nov. 14, 16-19 ....

Dec 1

Dec. 11, 13, 15-1& 

Dec. 12, 14, 17-20 

Dec. 21-24, 27-28. 

Dec. 25-26, 29-31.

Jan. 1-10, 1955...

Jan.21-22,25, 29-30 

Jan. 23-24, 26-28,31

Feb. 21-28 ........

Mean 

discharge 

(els)

7,438

7,149 

6,407 

6,452 

10,880 

17,700 

9,002

7,050 

18,210 

17,180 

14,120 

10,570 

9,924

11,810 

12,660 

15,160 

13,250 

9,772 

8,457 

8.548

Silica 

(Si02)

26 

26 

25 

27 

24 

20 

27

21 

21 

27 

27 

24

26 

24

28 

28 

28

Iron 

(Fe)

0.02 

.01 

.04 

.01 

.06 

.17 

.03

.14 

.17 

.05 

.04 

.09

.07 

.07

.07 

.03 

.03

Calcium 

(Ca)

15 

14 

13 

14 

14 

9.5 

16

16 

11 

11 

15 

16 

13

14 

14 

14 

16 

17 

16 

15

Magnesium 

(Mg)

9.1 

7.6 

7.3 

7.1 

6.7 

4.5 

7.9

7.8 

4.6 

5.4 

9.3 

9.0 

6.9

7.6 

7.6 

6.3 

8.3 

8.7 

9.0 

7.9

Sodium 

(Na)

16 

11 

11 

10 

11 

4.9 

14

14 

6.0 

6.3 

15 

16 

11

11 

13 

11 

16 

17 

15 

13

Potassium 

(K)

0.8 

1.6 

1.4 

1.5 

1.6 

1.3 

1.4

1.3 

1.6 

1.8 

1.4 

1.0

1.2 

1.2 

1.4 

1.4 

1.3 

1.5 

1.3

Bicarbonate 

(HCO,)

103 

88 

83 

87 

81 

47 

95

56 

61 

92 

97 

76

84 

82 

77 

92 

96 

98 

93

Sulfate 

(SO,)

14 

9.4 

11 

9.1 

11 

6.4 

15

7.9 

7.9 

19 

17 

11

12 

15 

12 

17 

18 

16 

11

Chloride 

(CD

9.5 

7.0 

7.5 

7.0 

7.2 

4.5 

10

5.0 

5.5 

11 

11 

7.2

8.0 

9.8 

7.2 

12 

12 

11 

8.5

Fluoride 

(F)

0.1 

.1 

.1 

.1 

.1 

.2 

.2

.2 

.2 

.2 

.2 

.2

.2 

.2

.1 

.0 

.0

Nitrate 

(N03 )

0.5 

.4 

.9 

.3 

.9 

4.0 

.6

1.3 

.9 

.8 

.5 

.5

.5 

.7 

.6 

.9 

.8 

.4 

.2

Boron 

(B)

0.10 

.09 

.12 

.11 

.10 

.09 

.16

.08 

.12 

.13 

.12 

.09

.13 

.12 

.07 

.07 

.10 

.10 

.12
Mar. 1-10, 1955 . Mar. 11-20......

Mar. 21-31......

Apr. 1-10 .......

Apr. 11-20 ......

Apr. 21 .........

Apr. 22-30 ......

May 1...........

May 2-10........

May 11-20.......

May 21-27, 31 ... 

May 28-30.......

June 1-6 ..... 

June 7-12..... 

June 13-20 ... 

June 21-30.... 

July 1-10..... 

July 11-20. ... 

July 21-31....

Aug. 1-10,.. 

Aug. 11-20.. 

Aug. 21-25 . 

Aug. 26-28 . 

Aug. 29-31 . 

Sept. 1-10.. 

Sept. 11-20. 

Sept. 21-30.

Weighted average a

7,547

6,875

5,560

5,285

4,460

6,350

10,740

8,820

8,297

7,403

7,072

5,557

5,283

5,092

5,648

6,127

7,273

7,143

7,124

7,196

7,159

6,338

6,110

6,293

7,369

8,158

6,430

9.0 

8.0 

8.4

7.8 

8. 3 

5.7 

7.3

9.6

14

10

7.4

9.3

7.9

9.3

7.6

8.3

8.5

8.4

8.3

13

11

9.6

9.1

7.9

14

12

14

11

13

7.1

15

12

19

20

22

40

21

15

23

18

24

17

18

18

18

19

40

28

22

19

14

1.6 

1.5 

1.7 

1.6 

1.6

1.8 

1.6 

1.8

2.1

2.2 

1.6

1.6

1.7 

1.7 

1.5

1.8

1.9 

1.8 

1.7 

1.9

1.6

1.7 

1.7 

1.5

99

96

96

91

93

68

82

78

97

103

108

150

110

95

111

100

115

100

105

108

166

130

120

117

14

12

12

9.1

11

20

7.5 

8.5

12

12

13

25

12

7.5

13

9.8

13

8. 2

9.0

9.0

9.0

9.5

20

13

11

10

7.2

c9.3

.4

.7

2.2

.5 

.4 

.6 

.5 

.5 

.4

.10 

.10 

.11 

.10

.16 

.08

.17

.05 

.10 

.16 

.13 

.17 

.10

.06 

.14 

.11 

.23 

.23 

.06 

.16 

.17

a Represents 100 percent of runoff for water year October 1954 to September 1955. 

b Represents 94 percent of runoff for water year October 1954 to September 1955. 

c Represents 99 percent of runoff for water year October 1954 to September 1955.
284 PACIFIC SLOPE BASINS IN CALIFORNIA

SACRAMENTO RIVER BASIN Continued 

SACRAMENTO RIVER AT KNIGHTS LANDING, CALIF.--Continued

Temperature (°F) of water, water year October 1954 to September 1955 

/Once-daily measurement at approximately 10 a. m.J~

Day

1

2

3

4

5

6

7

8

9

10

11

12

13

14

15

16

17

18

19

20

21

22

23

24

25

26

27

28

29

30

31

Average

Oct.

63

62

62

62

62

62

62

62

60

60

60

60

62

62

61

60

60

60

60

60

58

60

58

55

55

54

55

55

55

54

53

59

Nov.

53

53

54

54

55

55

55

55

55

55

55

55

54

53

52

52

52

51

51

51

51

51

50

50

50

50

50

50

50

50

52

Dec.

50

50

50

50

49

49

49

49

49

48

46

45

45

45

45

45

45

45

45

45

45

45

45

45

44

44

44

44

44

43

43

46

Jan.

43

43

43

43

43

43

43

44

44

44

44

43

43

43

43

43

44

44

44

44

44

44

44

44

44

45

45

45

45

45

46

44

Feb.

46

46

46

46

46

46

47

47

48

48

48

49

49

48

48

51

48

47

47

47

47

47

47

47

47

47

47

47

__

--

47

Mar.

47

48

48

49

50

51

52

53

53

54

54

54

54

54

53

52

51

51

51

51

51

52

52

53

55

56

56

56

56

56

56

53

Apr.

56

55

55

55

54

54

57

57

57

57

57

57

57

57

57

57

56

55

54

53

52

53

53

53

53

54

54

54

54

55

--

55

May

56

56

56

57

57

58

60

62

64

65

66

67

62

63

64

65

65

67

68

68

69

69

66

65

66

66

66

66

66

68

68

64

June

67

68

68

68

68

68

68

70

70

68

68

68

68

68

68

68

68

68

68

68

69

69

69

69

69

69

69

69

69

69

--

68

July

69

69

67

67

67

66

67

67

67

67

68

69

69

70

70

70

70

70

70

70

70

69

70

69

69

69

70

70

70

70

70

69

Aug.

70

70

70

69

68

67

67

67

67

68

68

68

69

69

69

68

68

68

68

68

68

68

68

68

68

68

68

68

68

68

69

68

Sept.

69

70

70

68

69

70

70

69

68

68

68

68

68

68

67

65

65

64

64

64

63

64

64

64

64

64

63

63

63

63

66
SACRAMENTO RIVER BASIN--Continued

SACRAMENTO SLOUGH NEAR KNIGHTS LANDING, CA

LOCATION. At gaging station on levee near Reclamation District 1,500 pumping plant 5.4 miles sou

above mouth.

RECORDS AVAILABLE.--Chemical analyses: October 1953 to September 1955. 

REMARKS. Values reported for dissolved solids are sums of determined constituents. Gaging stati

Division of Water Resources. Records of discharge for Water year October 1954 to September 19

Supervision for 1954 and Report of Sacramento-San Joaquin Water Supervision for 1955. This wa

and Reclamation District 1,500.

Chemical analyses, in parts per million, water year October 1954 to 

Date of collection

Oct. 15, 1954 ....

Jan. 12, 1955.... .

Sent. 19 .........

Mean 

discharge 

(cfs)

497 

729 

1,260 

802 

431 

0

320 

0 

611 

396

548 

823

Silica 

(SiOa)

28

28

33 

32

Iron 

(Fe)

0.00 

.02

Calcium 

(Ca)

35 

30 

21 

27 

34 

35

22 

27 

34 

36 

53 

35 

30

Magnesium 

(Mg)

22 

20 

15 

19 

25 

25

20 

20 

17 

30 

21 

27 

21

Sodium 

(Na)

29 

25 

23 

24 

32 

32

21 

29 

32 

50 

67 

44 

31

Potassium 

(K)

2.3 

3.2 

2.4 

1.9 

1.7 

2.1

1.8 

2.1 

1.3 

1.3 

1.4 

1.6 

2.3

Bicarbonate 

(HCO,)

a 262 

210 

154 

198 

236 

239

177 

192 

199 

259 

246 

272 

222

Sulfate 

(SO,)

14

18 

7.0

Chloride 

(Cl)

28 

24 

23 

18 

32 

36

22 

35 

38 

68 

102 

44 

24

Fluoride 

(F)

0.2

.2 

.3

Nitrate 

(NO,)

0.9

.9 

.5

Boron 

(B)

0.01 

.07 

.06 

.18 

.04 

.00

.06 

.07 

.03 

.11 

.13 

.02 

.08

a Includes equivalent of 4 parts per million of carbonate (CO,).
SACRAMENTO RIVER BASIN--Continued

FEATHER RIVER NEAR OROVILLE, CALIF.

LOCATION.--At gaging station, 75 feet upstream from bridge on Feather River Highway, 1.9 miles dow

Oroville business district, Butte County. 

DRAINAGE AREA. 3,611 square miles. 

RECORDS AVAILABLE.--Chemical analyses: October 1953 to September 1955.

Water temperatures: October 1953 to September 1954.

REMARKS. Values reported for dissolved solids are sums of determined constituents. Records of di

1955 given in WSP 1395.

Chemical analyses, in parts per million, water year October 195

Date of collection

Oct. 14, 1954.....

Jan. 11, 1955.....

Apr. 4 ...........

May 12 ..........

July 14. ..........

Aug. 18..........

Sept. 15..... .....

Discharge 

(cfs)

2,630 

2,860 

5,300 

2,040 

1,490 

2,380

3,730 

9,790 

2,860 

1,980 

1,840 

3,070

Silica 

(Si02)

15

14 

21

Iron 

(Fe)

0.00 

.00

Calcium 

(Ca)

11 

11 

8.1 

11 

12 

13

6.1 

6.8 

9.7 

12 

11 

14

Magnesium 

(Mg)

4.3 

4.3 

4.2 

3.4 

4.4 

4.0

5.0 

2.2 

3.9

6.2 

4.4

Sodium 

(Na)

5.0 

4.4 

3.4 

3.8 

4.9 

5.3

3.8 

2.3 

4.2 

4.6 

5.0 

5.1

Potassium 

(K)

1.2 

1.3

.7 

.7 

.9 

1.1

.7 

.5 

.9 

1.2 

1.4 

1.4

Bicarbonate 

(HCOS )

65 

64 

51 

56 

64 

62

51 

36 

58 

67 

69 

74

Sulfate 

(SOJ

1.7 

5.2

Chloride 

(Cl)

1.0 

1.0 

2.2 

2.0 

1.8 

2.0

.6 

.5 

1.3 

1.0 

1.8 

.7

Fluoride 

(F)

0.0 

.2

Nitrate 

(N03 )

0.5 

.5

Boron 

(B)

0.03 

.03 

.05 

.15 

.00 

.00

.16 

.12 

.00 

.01 

.15 

.00
SACRAMENTO RIVER BASIN Continued

YUBA RIVER NEAR SMARTSVILLE, CALIF.

LOCATION.--About 0.5 mile downstream from State Highway 20 bridge, 5 miles below Englebright Dam, 

Smartsville, Yuba County.

RECORDS AVAILABLE. Chemical analyses: October 1953 to September 1955. 

REMARKS. Values reported for dissolved solids are sums of determined constituents. Records of d

given in WSP 1395. Discharge records for gaging station at Englebright Dam and Deer Creek nea

station.

Chemical analyses, in parts per million, water year October 1954 t

Date of collection

Oct. 14, 1954.... .

Jan. 11, 1955 .....

Sept. 15..........

Discharge 

(ds)

219 

397 

716 

962 

937 

1,050

1,590 

5,470 

1,440 

708 

629 

164

Silica 

(Si02)

16

12 

17

Iron 

(Fe)

0.04 

.00

Calcium 

(Ca)

16 

17 

12 

12 

11 

12

7.0 

7.2 

7.2 

8.7 

13 

18

Magnesium 

(Mg)

3.9 

3.1 

3.7 

2.6 

3.5 

3.4

4.9 

2.2 

2.7 

2.7 

3.5 

2.6

Sodium 

(Na)

5.7 

3.5 

2.9 

2.4 

3.0 

3.2

2.6 

2.8 

2.2 

2.4 

3.0 

3.5

Potassium 

(K)

0.7 

.8 

.7 

.4 

.5 

.6

.6 

.5 

.5 

.5 

.8 

.9

Bicarbonate 

(HCOS)

67 

66 

50 

48 

48 

49

46 

35 

32 

42 

62 

66

Sulfate 

(S04 )

3.0 

8.2

Chloride 

(Cl)

2.0 

2.0 

1.8 

1.5 

1.5 

1.5

.6 

1.0 

.0 

.5 

1.8 

1.5

Fluoride 

(F)

0.2 

.1

Nitrate 

(N03 )

0.2 

.1

Boron 

(B)

0.00 

.01 

.03 

.16 

.02 

.00

.00 

.04 

.00 

.01 

.00 

.00
SACRAMENTO RIVER BASIN Continued 

YUBA RIVER AT MARYSVILLE, CALIF.

LOCATION. At gaging station on Simpson Lane Bridge in Marysville, Yuba County, and about 2 miles 

RECORDS AVAILABLE.--Chemical analyses: October 1953 to September 1955.

REMARKS. Values reported for dissolved solids are sums of determined constituents. Records of di

given in WSP 1395.

Chemical analyses, in parts per million, water year October 1954 to 

Date of collection

Oct. 14, 1954 .....

Dec . 9 ...........

Jan. 12, 1955 .....

July 15 ...........

Sept. 16 ..........

Discharge 

(cfs)

64 

227 

916 

1,080 

1,010 

1,130

1,560 

5,120 

970 

202 

157 

57

Silica 

(Si02)

12 

20

Iron 

(Fe)

0.01 

.06

Calcium 

(Ca)

16 

15 

11 

12 

12 

12

7.9 

8.5 

9.8 

11 

12 

18

Magnesium 

(Mg)

6.0 

5.1 

4.6 

3.7 

3.4 

4.1

4.5 

1.9 

1.1 

3.8 

4.9 

5.4

Sodium 

(Na)

4.2 

3.7 

3.3 

2.7 

3.2 

3.3

2.7 

1.8 

2.2 

3.1 

3.3 

3.7

Potassium 

(K)

0.8 

.9 

.5 

.5 

.5 

.5

.4 

.4 

.6 

.6 

.8 

.9

Bicarbonate 

(HC03 )

72 

67 

53 

50 

50 

52

48 

34 

36 

50 

62 

73

Sulfate 

(S0«)

4.6 

14

Chloride 

(Cl)

3.6 

1.8 

2 . 8 

1.8 

1.0 

1.5

.6 

.8 

.3 

.5 

1.5 

1.0

Fluoride 

(F)

0.1 

.1

Nitrate 

(NO,)

0.2 

.2

Boron 

(B)

0.01 

.02 

.01 

.11 

.00 

.00

.03 

.04 

.00 

.00 

.14 

.14
SACRAMENTO RIVER BASIN Continued

BEAR RIVER NEAR WHEATLAND, CALIF.

LOCATION. Near gaging station on downstream side of bridge on U. S. Highway 99E, 1 mile southwest 

from Rock Creek.

DRAINAGE AREA.--295 square miles.

RECORDS AVAILABLE. Chemical analyses: October 1953 to September 1955. 

REMARKS. Values reported for dissolved solids are sums of determined constituents. Records of dis

given in WSP 1395.

Chemical analyses, in parts per million, water year October 1954 

Date of collection

Oct. 15, 1954

Jan. 12, 1955

Mar. 8 .........

Sept. 16 ........

Discharge 

(cfs)

12 

54 

420 

704 

145 

188

11 

240 

22 

8. a 

6.4 

6.1

Silica 

(Si02)

12 

21

Iron 

(Fe)

0.03 

.01

Calcium 

(Ca)

33 

26 

24 

10 

21 

21

35 

11 

30 

32 

31 

37

Magnesium 

(Mg)

10 

9.5 

8.1 

3.4 

9.1 

6.7

20 

5.0 

12 

16 

13 

13

Sodium 

(Na)

7.8 

7.3 

5.8 

2.7 

5.6 

4.7

7.1 

3.5 

5.8 

6.9 

6.6 

7.1

Potassium 

(K)

1.0 

1.8 

2.6 

.6 

.8 

1.2

1.1 

.7 

1.2 

1.2 

1.2 

.9

Bicarbonate 

(HCO,)

131 

103 

90 

39 

82 

70

158 

51 

127 

a!57 

149 

151

Sulfate 

(S04 )

8.6 

27

Chloride 

(Cl)

9.5 

10 

8. 2 

3.0 

4.8 

3.5

6.6 

3.8 

5.5 

6.5 

7.5 

7.3

Fluoride 

(F)

0.0 

.2

Nitrate 

(NO,)

0.0

.1

Boron 

(B)

0.10 

.02 

.06 

.11 

.00 

.00

.01 

.00 

.00 

.08 

.00 

.00

Includes equivalent of 2 parts per million of carbonate (CO3).
SACRAMENTO RIVER BASIN--Continued 

FEATHER RIVER AT NICOLAUS, CALIF.

LOCATION.--At highway bridge at Nicolaus, Sutler County, 0.4 mile upstream from gaging station 

RECORDS AVAILABLE.--Chemical analyses: March 1951 to September 1955.

Water temperatures: March 1951 to September 1955. 

EXTREMES, 1954-55.--Dissolved solids: Maximum, 102 ppm Sept. 1-10, 11-20; minimum, 47 ppm May 

Hardness: Maximum, 66 ppm Sept. 1-10, 11-20; minimum, 29 ppm May 21-31.

Specific conductance: Maximum daily, 176 micromhos Sept. 13; minimum daily, 63.5 micromhos M

Water temperatures: Maximum, 79°F July 14, Aug. 3; minimum, 39°F Dec. 27, 29, Jan. 8, 12. 

EXTREMES, 1951-55. Dissolved solids: Maximum, 111 ppm Aug. 1-10, 1951; minimum, 45 ppm June 1

Hardness: Maximum, 114 ppm June 21, 1954; minimum, 22 ppm June 1-3, 8, 10, 1952.

Specific conductance: Maximum daily, 245 micromhos June 21, 1954; minimum daily, 50.0 microm

Water temperatures: Maximum, 82°F July 28, 1954; minimum, 38°F Nov. 18, 1953.

REMARKS. Values reported for dissolved solids are residues on evaporation. Records of specifi

office at Sacramento, Calif. Records of discharge for water year October 1954 to September 

Date of collection

Oct. 1-10, 1954 . ..

Jan. 1-10, 1955....

Mar. 21-31 .......

Mean 

discharge 

(cfs)

2,267 

2,546 

2,420 

2,623 

2,685 

4,978 

3,340 

3,947

7,060 

6,970 

5,819 

3,924 

6,181 

6,045 

4,570 

4,055

3,410 

2,820 

3,320 

4,350 

3,700 

3,110 

5,375 

4,954

Silica 

(Si02)

--

Iron 

(Fe)

--

Calcium 

(Ca)

12 

12 

17 

12 

11 

11 

12 

12

12 

9.5 

12 

11 

11 

11 

12 

12

12 

13 

13 

12 

12 

13 

11 

11

Magnesium 

(Mg)

5.6 

4.8 

1.6 

4.9 

5.1 

4.4 

4.4 

4.4

3.9 

4.2 

3.5 

4.9 

4.3 

4.3 

3.3 

4.6

5.4 

6.0 

4.8 

4.4 

4.9 

5.2 

4.5 

4.3

Sodium 

(Na)

5.5 

5.1 

5.8 

4.9 

4.8 

4.6 

4.8 

4.7

4.5 

4.1 

4.4 

4.5 

4.2 

4.4 

4.1 

4.8

5.0 

4.8 

5.0 

4.2 

4.5 

4.8 

4.2 

4.3

Potassium 

(K)

1.3

1.4

1.1

.8

.7 

64

.9

Bicarbonate 

(HC03 )

71

66

53

53

66 

65

58 

62 

65 

61 

59

Sulfate 

(S04 )

--

--

-

Chloride 

(Cl)

2

C

Fluoride 

(F)

-

-

--

Nitrate 

(N03 )

-

--

--

Bo

ron 

(B

'

'

a Not included for computation of weighted averages.
Apr. 1-10, 1955

Apr. 11-20........

Apr. 21-30 ...

May 1-10 ..... ..

May 11-20 ........

May 13 a ..........

May 21-31.....

June 1-10

June 11-20 ...

Aug. 1-10....... ..

4,992

3,995

7,754

9,220

10,200

13, 000

7,879

4,528

2,257

641

444

3 

CO A

--

_

_.

_

_

15

_

--

._

_

_

_

_

_

_

9.6

5

Q

9.1

9.5

9.5

7.2

7.6

7.6

8.7

9.4

4.1

4.2

4.5

3.7

3.4

2.7

2.4

2.3

3.5

3 3

4 9

5.6

5 0

6.1

3.5 

3 7

3.4

3.4

3.2

2.7

2.4

2.6

3.1

3.7

5 3

5 4

__

__

__

.8

_

1 Q

51

51

50

50

37

39

38

42

52

QQ

83

-

..

__

..

._

3.0

_

..

_

_

.5

_

3

C

3

e

3 f\

-

__

_

_

._

.1

_

"

..

_

._

_

.3

__

_

_

_

.1

_

n

a Not included for computation of weighted averages.

b Sum of determined constituents.

c Represents 100 percent of runoff for water year October 1954 to September 1955.
292 PACIFIC SLOPE BASINS IN CALIFORNIA

SACRAMENTO RIVER BASIN--Continued 

FEATHER RIVER AT NICOLAUS, CALIF.--Continued

Temperature (°F) of water, water year October 1954 to September 1955 

/Once -dally measurement at approximately 7

Day

1

2

3

4

5

6

7

8

9

10

11

12

13

14

15

16

17

18

19

20

21

22

23

24

25

26

27

28

29

30

31

Average

Oct.

61

61

60

60

60

60

61

61

61

61

61

61

61

61

61

61

60

60

60

59

59

59

58

54

53

64

54

54

53

53

52

59

Nov.

52

52

52

51

51

51

53

58

53

52

52

52

51

51

56

52

50

50

49

48

48

49

46

50

48

48

47

48

47

45

50

Dec.

45

45

48

48

47

59

47

46

46

46

45

43

43

43

44

43

43

43

42

42

41

41

41

41

41

40

39

40

39

40

41

44

Jan.

46

45

42

41

41

40

40

39

40

41

40

39

41

41

40

41

40

42

42

41

41

42

41

42

44

42

42

42

43

43

41

Feb.

44

42

41

41

42

41

42

43

43

43

44

45

45

46

45

47

47

44

42

43

42

43

43

43

44

44

43

42

_

..

--

43

Mar.

42

43

44

45

44

45

46

47

49

48

49

49

48

47

46

46

42

46

48

46

42

48

49

50

52

53

54

53

54

51

51

48

Apr.

51

43

49

49

48

50

52

53

54

55

53

54

53

51

52

53

54

50

49

50

50

50

51

53

51

48

49

51

49

49

--

51

May

50

51

52

54

55

56

54

56

55

56

57

58

57

55

55

56

58

59

61

62

61

61

60

59

59

61

61

62

63

62

62

58

June

61

62

65

67

69

69

68

70

70

67

65

66

65

63

63

65

67

68

63

68

67

69

_

70

71

68

70

68

68

68

--

67

July

70

72

70

68

69

68

71

72

69

70

72

74

76

79

74

69

72

70

72

62

73

73

74

74

71

71

70

73

75

76

76

72

Aug.

77

78

79

76

74

76

75

76

77

75

76

73

75

72

71

71

71

72

74

74

74

74

75

70

68

69

70

70

70

72

74

73

Sept.

75

75

77

78

77

74

72

72

74

73

73

74

70

69

65

65

65

64

65

66

67

68

66

66

65

63

64

63

63

64

69
SACRAMENTO RIVER BASIN Continued 

AMERICAN RIVER AT FAIR OAKS, CALIF.

LOCATION (revised). At old highway bridge just downstream from gaging station at Fair Oaks, Sacra

10 miles downstream from South Fork. 

DRAINAGE AREA. 1,921 square miles. 

RECORDS AVAILABLE. Chemical analyses: January to December 1906, March 1951 to September 1955.

Water temperatures: March 1951 to September 1955. 

EXTREMES, 1954-55. Dissolved solids: Maximum, 70 ppm Dec. 3, 6-7, 10; minimum, 34 ppm May 21-31, 

Hardness: Maximum, 40 ppm Jan. 21-31; minimum, 16 ppm June 21-30, July 1-10, 11-20, 21-31.

Specific conductance: Maximum daily, 103 micromhos Jan. 22, 23; minimum daily, 38.1 micromhos J

Water temperatures: Maximum, 76°F Sept. 3; minimum, 38°F Oct. 30-31. 

EXTREMES, 1951-55.--Dissolved solids: 83 ppm Aug. 11-20, 1954; minimum, 29 ppm June 1-10, 1952, J

Hardness: Maximum, 41 ppm Aug. 1 to Sept. 10, 1951, Nov. 21-30, 1952, Aug. 11-20, 1954; minimum

Specific conductance: Maximum daily, 112 micromhos Aug. 28, 1951; minimum daily, 29.1 micromhos 

Water temperatures: Maximum, 81°F July 27, Aug. 3, 1954; minimum, 38°F Oct. 30-31, 1954.

REMARKS. Values reported for dissolved solids are residues on evaporation. Records of specific c

office at Sacramento, Calif. Records of discharge for water year October 1954 to September 195

Chemical analyses, in parts per million, water year October 195

Date of collection

Oct. 1-10, 1954 .. 

Oct. 11-20 .......

Nov. 11-20.......

Nov. 21-30.......

Dec. 3, 6-7, 10... 

Dec. 1-2, 4-5, 8-9 

Dec. 11-20.......

Dec. 21-31.......

Jan. 1-10, 1955...

Jan. 21-31 .......

Feb. 1-10........

Mar. 11-20. ......

Mar. 21-31.......

Mean 

discharge 

(cfs)

393 

426 

473 

523 

1,087 

728

4,650 

3,112 

1,700 

1,123 

3,562 

2,437 

2,067

1,849 

1,968 

1,637 

2/048 

2,531 

497

Silica 

(Si02)

Iron 

(Fe)

Calcium 

(Ca)

7.8 

7.8 

8.9 

7.5 

8.9 

8.0

8.9 

7.8 

8.9 

8.6 

7.8 

8.4 

9.6

9.1 

8.5 

7.9 

8.8 

7.4 

8.1

Magnesium 

(Mg)

2.1 

2.0 

1.9 

2.0 

2 3

2.1

3.1 

2.4 

3 2 

3.1 

3.2 

3.7 

3.9

3.5 

3.4 

3.2 

3.9 

2. 8 

3.1

Sodium 

(Na)

3.2 

3.0 

3.0 

2.7 

3.1 

2. 8

3.1 

2.7 

2.9 

3.1 

3.2 

3.4 

4.0

3.8 

3.5 

3.4 

3.6 

2.9 

3.3

Potassium 

(K)

Bicarbonate 

(HCO,)

43 

41 

45 

37 

40

Sulfate 

(SOJ

Chloride 

(Cl)

Fluoride 

(F)

Nitrate 

(NO,)

Boron 

(B)
SACRAMENTO RIVER BASIN--Continued

AMERICAN RIVER AT FAIR OAKS, CALIF.--Continu

Chemical analyses, in parts per million, water year October 1954 to Septem

Date of collection

Apr. 1-10, 1955.. 

Apr. 11-20.......

May 11-20. .......

May 21-31........

June 11-20 .......

July 11-20..... ...

July 21-31... .....

Aug. 21-31.......

Sept. 1-10... .....

Sept. 21-30. ......

Weighted 

average a .....

Mean 

discharge 

(cfs)

273 

188 

2,868 

4,513 

2,940 

5,163

5,832 

3,402 

2,068 

1,339 

1,817 

2,144

2,127 

2,009 

2,321 

2,040 

597 

535

1,973

Silica 

(Si02)

12

--

Iron 

(Fe)

0.02

"

Calcium 

(Ca)

8.1 

7.9 

8.1 

6.6 

5.1 

5.1

5.0 

4.4 

4.4 

5.0 

4.6 

4.8

4.6 

5.0 

5.4 

6.0 

7.0 

7.6

6.6

Magnesium 

(Mg)

2.6 

2.5 

1.7 

1.8 

3.0 

2.0

1.8 

1.7 

1.2 

.9 

1.1 

1.0

1.6 

1.6 

1.6 

2.0 

1.8 

1.7

2.3

Sodium 

(Na)

3.3 

3.2 

2.8 

2.4 

2.6 

2.2

2.1 

2.1 

1.8 

1.9 

1.9 

1.9

2.1 

2.2 

2.2 

2.3 

2.3 

2.4

2.6

Potassium 

(K)

1.2

--

Bicarbonate 

(HCOS )

38 

36 

31 

31 

30 

25

24 

24 

24 

23 

23 

24

25 

25 

28 

30 

32 

34

b29

Sulfate 

(SOJ

2.0

--

Chloride 

(Cl)

2.2

"

Fluoride 

(F)

0.2

-

Nitrate 

(NOS )

0.4

--

Boron 

(B)

0.05

-

a Represents 100 percent of runoff for water year October 1954 to September 1955. 

b Represents 72 percent of runoff for water year October 1954 to September 1955.
SACRAMENTO RIVER BASIN 295

SACRAMENTO RIVER BASIN Continued 

AMERICAN RIVER AT FAIR OAKS, CALIF. Continued

Temperature (°F) of water, water year October 1954 to September 1955 

/Once-daily measurement approximately between 8 a. m. and 10 a.

Day

1

2

3

4

5

6

7

8

9

10

11

12

13

14

15

16

17

18

19

20

21

22

23

24

25

26

27

28

29

30

31

Average

Oct.

66

62

61

65

65

61

62

66

64

62

65

65

63

59

65

65

62

64

64

62

60

65

61

56

56

55

41

55

40

38

38

59

Nov.

56

56

49

55

57

59

56

55

55

56

55

56

56

55

53

55

53

52

52

56

51

51

52

51

50

51

51

51

49

49

--

53

Dec.

48

48

50

49

50

50

50

48

47

48

45

45

45

46

46

48

48

45

45

45

44

44

44

44

44

43

40

40

41

41

44

46

Jan.

48

45

43

43

42

45

42

41

40

40

40

40

40

40

40

40

40

41

40

41

44

42

42

40

42

42

40

40

40

41

43

42

Feb.

44

41

40

41

40

40

40

45

41

42

45

44

-_

45

45

40

48

45

45

45

42

-.

45

45

48

45

45

45

-_

-.

--

44

Mar.

67

58

45

58

45

45

48

48

48

50

49

49

50

50

50

50

49

51

48

48

48

50

50

56

58

52

56

55

58

55

55

52

Apr.

58

54

55

54

58

54

56

60

54

56

55

65

55

55

56

55

54

50

56

54

52

55

55

51

50

50

50

51

50

50

--

54

May

50

50

51

52

52

53

52

51

51

54

54

54

55

54

55

55

55

56

55

56

56

57

56

58

55

55

56

65

65

55

J

55

June

55

59

60

59

59

59

56

59

58

56

58

58

50

58

59

60

60

60

61

61

63

63

61

63

63

63

61

62

63

62

--

60

July

64

63

61

62

64

64

65

66

63

65

65

68

67

66

68

65

65

66

65

66

65

64

66

66

65

67

67

67

68

67

66

65

Aug.

67

68

70

67

69

68

69

68

70

70

68

69

68

68

69

68

68

68

70

70

75

70

72

69

70

69

69

69

70

70

71

69

Sept.

71

71

76

74

74

74

72

72

75

71

74

70

74

70

68

68

69

68

69

--

70

70

66

70

69

69

74

68

68

70

--

71
SACRAMENTO RIVER BASIN Continued

AMERICAN RIVER AT SACRAMENTO, CALIF.

LOCATION.--At gaging station at H Street Bridge, just east of Sacramento, Sacramento County, and 6

RECORDS AVAILABLE. Chemical analyses: October 1953 to September 1955.

REMARKS. Values reported for dissolved solids are sums of determined constituents. Records of di

1955 given in WSP 1395.

Chemical analyses, In parts per million, water year October 195

Date of collection

Oct. 18, 1954. .... 

Nov. 15..........

Dec. 13..........

Jan. 18, 1955.....

Mar. 18. .........

July 18. ..........

Sept. 19. .........

Discharge 

(cfs)

438 

830 

1,950 

2,740 

1,280 

2,960

166 

3,040 

1,900 

1,910 

1,850 

499

Silica 

(SiOs)

11 

11

12 

11

Iron 

(Fe)

0.00 

.06

Calcium 

(Ca)

7.7 

8.8 

8.9 

10 

9 3 

1.6

3.8 

5.9 

3.4 

4.3 

5.3 

7.0

Magnesium 

(Mg)

2.1 

2.0 

3.4 

3.9 

3.4 

3.7

5.5 

2.3 

1.5 

2.2 

1.7 

2.1

Sodium 

(Na)

3.0 

2.6 

3.4 

5.1 

3.7 

2.9

3.3 

2.3 

2.3 

3.2 

1.8 

2.2

Potassium 

(K)

0.7 

.8 

.6 

.5 

.5 

.7

.8 

.5 

.6 

1.0 

1.0 

1.0

Bicarbonate 

(HCO,)

35 

36 

41 

50 

46 

36

38 

30 

23 

17 

27 

34

Sulfate 

(SO,)

2.6 

1.8

Chloride 

(Cl)

3.0 

2.5 

3.5 

4.0 

3.8 

2.5

3.2

1.0 

.2 

1.0 

.5 

1.1

Fluoride 

(F)

0.0 

.2

Nitrate 

(N03 )

0.5 

.2

Boron 

(B)

0.00 

.01 

.08 

.00 

.01 

.00

.00 

.06 

.05 

.00 

.11 

.02
SACRAMENTO RIVER BASIN Continued

SACRAMENTO RIVER AT SACRAMENTO, CALIF.

LOCATION. At Tower Bridge, 0.4 mile downstream from gaging station at Sacramento, Sacramento Co

confluence of the American River. 

RECORDS AVAILABLE. Chemical analyses: October 1952 to September 1955.

Water temperatures: May to September 1955.

EXTREMES, 1954-55. Water temperatures: Maximum, 77 °F July 31. 

REMARKS.--Except where indicated, samples are composites of stations 1, 2 and 3. Values reported 

Records of specific conductance of daily samples available in district office at Sacramento, C

to September 1955 given in WSP 1395.

Chemical analyses, In parts per million, water year October 1954 to 

Date of collection

Oct. 18, 1954 .....

Nov. 19 .......... 

Dec. 17 ..........

Jan. 17, 1955 .....

Feb. 15. ......... 

Mar. 18 ..........

Apr . 19 .......... 

May 1-9, Sta. 1 ...

May 1-9, Sta. 2...

May 1-9, Sta. 3 ...

May 10-14, Sta. 1 .

May 10-14, Sta. 2 .

May 10-14, Sta. 3 .

May 15-17, Sta. 1 .

May 15-17, Sta. 2.

May 15-17, Sta. 3 .

May 16 ...........

May 18-21, Sta. 1 .

May 18-21, Sta. 2 .

May 18-21, Sta. 3 .

May 22-29, Sta. 1 .

May 22-29, Sta. 2.

May 22-29, Sta. 3 .

May 30 -June 5,

Sta. 1... ........

May 30- June 5,

Sta. 2...... .....

May 30-June 5, 

Sta. 3...........

Mean 

discharge 

(cfs)

10, 400

25,800 

22,300

23,800 

1 9 ann l£, OUU

14, 300

9,070 

21,700

21,700

21,700

25,620

25, 620

25, 620

21,400

21,400

21,400

21,700

18,720

18,720

18,720

20,710

20,710

20,710

17,190

17,190

17.190

Silica 

(Si02)

23

--

22

10

18

19

19

17

21

19

17

19

22

22

24

22

20

19

22

21

20

Iron 

(Fe)

-

-

0.03

.02

.01

.01

.01

.01

.40

.21

.08

.00

.02

.05

.06

.01

.01

.01

.02

.00

.00

Calcium 

(Ca)

15 

12

17

15

17 

14

7.7

13

13

11

11

11

9.8

12

12

11

13

14

14

13

13

11

11

14

13

10

Maguesium 

(Mg)

7.7 

5 2

7.9

7.2

8 7. f

7.1

8 . 2

6.5

5.2

5.2

5.5

5.5

5.2

7.8

7.1

5.2

6.0

7.8

6.8

6.2

7.4

5.5

4.5

8.3

5.7

6.1

Sodium 

(Na)

12 

8.4

15

15 

14

9 Q.V*

7.0

12

10

7.7

9.9

9.5

7.8

13

11

9.4

12

14

14

11

12

12

9.0

17

13

10

Potassium 

(K)

1.2 

2 2

1.6

1.1 

1.2

2 3

1 2

1.3

1.2

1.2

1.1

1.0

.9

1.1

.9

.8

1.0

1.1

1.0

.9

1.1

1.0

.9

1.4

1.2

1.0

Bicarbonate 

(HCO,)

94 

62

93

80 

97

83

72

72

68

56

64

63

55

75

70

62

73

84

81

69

76

70

60

86

77

63

Sulfate 

(S04 )

--

--

13

11

13

11

13

12

13

12

10

13

15

15

12

13

11

9.9

13

9.1

8.4

Chloride 

(Cl)

10 

7.2

10

12 

9 5

8

n

3 .8

9.2

7.0

5.8

7.0

6.5

5.8

9.0

8.0

6.5

9.2

11

10

8.0

8.5

7.5

6.0

13

10

8.2

Fluoride 

(F)

--

-

0.0

.0

.0

.1

.1

.1

.2

.2

.1

.2

.2

.1

.1

.1

.0

.0

.2

.2

.1

Nitrate 

(NO,)

--

--

0.6

.5

.5

.5

.5

.4

.5

.6

.5

.5

.6

.5

.5

.4

.4

.3

1.0

.6

.5

Boron 

(B)

0.03 

.04

.00

.00 

.07

i ft

03

.05

.07

.00

.07

.03

.05

.09

.08

.07

.06

.12

.06

.07

.12

.05

.08

.05

.09

.09

a Sum of determined constituents.
298 PACIFIC SLOPE BASINS IN CALIFORNIA

5 g

OT Z

< W

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0) g ""£>

3 ° 5 rt

T3 ^ - b

n O 

1^

31

Q £

73 6 £

« j- >>

S w rt H a '°

31.3

llg

g

3 rt

' --H oi r-« ca oiftooco^ocooieD 01 01 oo c- i

5 <£) QO OO Ol Ol O10OO1CDO1O1O1OO OOOGOO

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e-co<o<£>cococ-c-oo oo 01 01 oo t

0000 100 00 100000 I 00 10 §

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01 oo oo pa i ^ as (

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SACRAMENTO RIVER BASIN

SACRAMENTO RIVER BASIN Continued

SACRAMENTO RIVER AT SACRAMENTO, CALIF. Continued

299

Temperature (°F) of water, Ma 

/Once--daily measurement at ap

Day

1

2

3

4

5

6

7

8

9

10

11

12

13

14

15

16

17

18

19

20

21

22

23

24

25

26

27

28

29

30

31

Average

Oct. Nov. Dec. Jan. Feb. Mar.

y 1955 to September 1955 

proximately 12:15 p.m./

Apr. May

54

55

54

56

57

58

59

58

59

59

61

66

61

60

59

60

61

63

65

67

67

67

65

64

63

63

64

64

64

65

63

61

June

66

60

59

62

54

54

62

69

66

66

66

66

67

67

66

68

68

69

69

64

70

70

70

69

68

69

68

67

67

--

66

July

67

69

68

67

67

67

68

69

68

69

69

70

71

72

71

70

70

69

69

69

69

70

70

70

69

69

69

70

68

68

77

69

Aug.

67

68 ' 68

67

68

70

71

71

70

70

71

70

70

70

69

69

69

69

69

70

70

70

71

69

69

69

70

69

69

70

71

69

Sept.

71

72

72

63

72

72

71

70

70

70

71

71

70

68

67

67

66

65

65

66

67

68

66

66

66

65

67

65

66

65

68
SACRAMENTO RIVER BASIN Continued 

CLEAR LAKE (NORTH END) CLEAR LAKE OAKS, CALIF

LOCATION. At boat pier at Glen Haven Fish Harbor Motel, 3.6 miles above Clear Lake Oaks, Lake Coun

RECORDS AVAILABLE. Chemical analyses: October 1953 to September 1955.

REMARKS. Values reported for dissolved solids are sums of determined constituents. No discharge r

Chemical analyses, in parts per million, water year October 1954 to 

Date of collection

Oct. 19, 1954 .... 

Nov. 16..........

Dec. 14 .........

Jan. 12, 1955 .... 

Feb. 9...........

Mar g

Mar. 25, ll:15a. m. 

Mar. 25, ll:30a.m. 

Mar. 25, ll:45a.m. 

Mar. 25, 12:00 n.. . 

Mar. 25, 12:30p. m. 

Mar. 25, 1:00 p.m.

May 17...........

July 19. ..........

Aug. 23..........

Sept. 20..........

Discharge 

(cfs)

'

Silica 

(SiOa)

6.6 

7.4

.9

4.8

Iron 

(Fe)

00

.01

.02

Calcium 

(Ca)

27 

26 

26 

26 

26 

26

21 

25 

29

22 

28 

20

Magnesium 

(Mg)

15 

16 

16 

16 

17 

16

18 

17 

15

20 

18 

22

Sodium 

(Na)

12 

11 

11 

11 

12 

12

12 

11 

12

12 

13 

13

Potassium 

(K)

2.1 

2.2 

1.9 

2.0 

2.0 

2.2

2.2 

2.2 

2.1

2.3 

2.2 

2.5

Bicarbonate 

(HCO,)

166 

167 

163 

166 

166 

164

168 

168 

a!74

180 

b!86 

175

Sulfate 

(S04 )

11 

124 

12 

10 

12 

11

12 

16

15

Chloride 

(Cl)

6.0 

6.0 

6.8 

7.2 

8.8 

7.0

6.4 

6.0 

6.5

7.0 

7.0 

7.5

Fluoride 

(F)

0.0 

.2

Nitrate 

(NO,)

0.4 

3.7

Boron 

(B)

0.81 

.81 

.79 

.88 

.79 

.64

.85 

3.4 

1.0 

.92 

.87 

.82

.82 

.87 

.87 

1.1 

1.1 

1.2 

1.4

a Includes equivalent of 5 parts per million of carbonate (CO,), 

b Includes equivalent of 11 parts per million of carbonate (CO,).
SACRAMENTO RIVER BASIN Continued 

CLEAR LAKE AT LAKEPORT, CALIF.

LOCATION. At foot of 3rd Street near municipal wharf in Lakeport, Lake County. 

DRAINAGE AREA. 528 square miles, including water surface of Lake (65 square miles). 

RECORDS AVAILABLE. Chemical analyses: October 1953 to September 1955.

REMARKS. Values reported for dissolved solids are sums of determined constituents. Records of gag

given in WSP 1395.

Chemical analyses, in parts per million, water year October 1954 to 

Date of collection

Oct. 18, 1954 ....

Dec. 14 ..........

Jan. 12, 1955.....

A/Tav 17

Sept. 20. .........

Discharge 

(cfs)

Silica 

(SiO,)

12

1.9 

7.2

Iron 

(Fe)

0.00 

.02

Calcium 

(Ca)

28 

27 

24 

26 

25 

22

22 

24 

30 

24 

27 

28

Magnesium 

(Mg)

14 

15 

15 

15 

16 

17

17 

17 

14 

19 

19 

19

Sodium 

(Na)

12 

11 

10 

11 

11 

11

11 

11 

12 

12 

13 

12

Potassium 

(K)

2.2 

2.2 

1.8 

1.9 

1.9 

2.2

2.0 

2.1 

2.2 

2.6 

2.3 

2.5

Bicarbonate 

(HCOS )

165 

161 

150 

160 

159 

158

164 

166 

174 

179 

190 

195

Sulfate 

(S04)

10 

11

Chloride 

(Cl)

5.5 

6.0 

6.8 

6.5 

6.5 

6.5

6.0 

6.0 

6.3 

7.0 

7.5 

7.2

Fluoride 

(F)

0.0 

.4

Nitrate 

(NO,)

0.5 

.1

Boron 

(B)

0.89 

.77 

.66 

.65 

.74 

.36

.93 

.70 

.80 

.95 

1.1 

1.1
SACRAMENTO RIVER BASIN--Continued 

CACHE CREEK NEAR LOWER LAKE, CALIF.

LOCATION. At gaging station, 500 feet downstream from Clear Lake Dam, 1.5 miles downstream from C

Lake County.

DRAINAGE AREA. 528 square miles including water surface of Clear Lake (65 square miles). 

RECORDS AVAILABLE.--Chemical analyses: October 1953 to September 1955. 

REMARKS. Values reported for dissolved solids are sums of determined constituents. Records of dis

in WSP 1395.

Chemical analyses, in parts per million, water year October 1954 to 

Date of collection

Oct. 18, 1954. .. 

Nov. 16 ........

Jan. 13, 1955 ..

Sept. 20 .......

Discharge 

(cfs)

28 

.5 

.4 

.4 

.4

36 

230 

408 

452 

356 

77

Silica 

(Si02)

2.9 

4.0

2.5 

2.7

Iron 

(Fe)

0.00 

.01

Calcium 

(Ca)

29 

25 

18 

21 

24

25 

34 

29 

27 

26 

27

Magnesium 

(Mg)

16 

15 

14 

12 

13

17 

14 

16 

18 

21 

20

Sodium 

(Na)

13 

12 

14 

11 

13

15 

13 

13 

13 

13 

13

Potassium 

(K)

2.1 

2.2 

2.5 

1.9 

1.7

2.0 

2.3 

2.2 

2.5 

2.2 

2.9

Bicarbonate 

(HCO,)

174 

154 

120 

123 

130

142 

183 

179 

184 

192 

200

Sulfate 

(S04 )

12 

11

Chloride 

(Cl)

7.0 

6.0 

12 

5.2 

5.5

6.8 

7.5 

7.2 

7.0 

8.0 

-7.5

Fluoride 

(F)

0.0 

.5

Nitrate 

(N03 )

0.8 

.1

Boron 

(B)

0.90 

.70 

.67 

.37 

.37

.32 

.96 

1.0 

.90 

1.2 

1.2
SACRAMENTO RIVER BASIN Continued 

NORTH FORK CACHE CREEK NEAR LOWER LAKE, CALI

LOCATION.--At bridge on State Highway 20, 2.7 miles below gaging station, 4.3 miles northeast of Low

with Cache Creek.

DRAINAGE AREA.--198 square miles (above gaging station). 

RECORDS AVAILABLE.--Chemical analyses: October 1953 to September 1955. 

REMARKS. Values reported for dissolved solids are sums of determined constituents. Records of disc

given in WSP 1395. Inflow between gaging station and sampling point during rainy season.

Chemical analyses, in parts per million, water year October 1954 to 

Date of collection

Jan. 12, 1955 .......

Sept . 20. ............

Discharge 

(cfs)

3.0 

209 

134 

64 

94 

97

50 

76 

14 

4.9 

.9 

1.2

Silica 

(Si02)

19 

17

21 

21

Iron

(Fe)

0.00 

.01

Calcium 

(Ca)

38 

29 

25 

28 

25 

25

24 

25 

33 

33 

36 

21

Magnesium 

(Mg)

27 

24 

21 

24 

21 

22

25 

20 

23 

27 

32 

46

Sodium 

(Na)

40 

27 

24 

25 

20 

23

26 

20 

30 

36 

40 

44

Potassium 

(K)

1.8 

1.5 

1.2 

1.2 

.9 

1.2

1.3 

1.3 

1.5 

2.1 

2.0 

2.0

Bicarbonate 

(HCO,)

204 

182 

187 

176 

168 

185

212 

174 

193 

211 

254 

257

Carbonate 

(C03 )

12 

0 

0 

14

7 

0

0 

5 

15 

10 

0 

0

Sulfate 

(S04 )

11 

13

Chloride 

(Cl)

69 

50 

29 

35 

24 

24

28 

14 

38 

52 

68 

87

Fluoride 

(F)

0.0 

.1

Nitrate 

(NO,)

0.5 

.3

B

r

(

4

3

2

1

1

2

2

3

4

4
.SACRAMENTO RIVER BASIN Continued

CACHE CREEK NEAR CAPAY, CALIF.

LOCATION.--At gaging station, 1.8 miles upstream from Clear Lake Water Company's diversion dam, 3.2 

northwest of Esparto. 

DRAINAGE AREA.--1,052 square miles.

RECORDS AVAILABLE. Chemical analyses: October 1952 to September 1955. 

REMARKS. Values reported for dissolved solids are sums of determined constituents. Records of disc

given in WSP 1395.

Chemical analyses, in parts per million, water year October 1954 to Sep

Date of collection

Nov. 12............ .

Dec. 10......... ....

Jan. 14, 1955. .......

Mar. 22 ............

May 16 .............

July 18 .............

Discharge 

(cfs)

25 

56 

820 

91 

83 

91

62 

261 

489 

110

Silica 

(Si02)

11 

7.7

Iron 

(Fe)

0.00 

.00

Calcium 

(Ca)

41 

50 

26 

41 

39 

11

37 

37 

33 

33

Magnesium 

(Mg)

26 

34 

27 

34 

36 

50

38 

27 

27 

23

Sodium 

(Na)

45 

78 

37 

71 

61 

61

69 

39 

35 

30

Potassium 

(K)

2 9 

3.6 

1.8 

2.9 

2.7 

.8

3.5 

2.7 

2.7 

2.9

Bicarbonate 

(HC05)

242 

264 

192 

264 

260 

276

280 

266 

253 

224

Carbonate 

(CO,)

6 

8 

0 

10 

10 

0

8 

0 

4 

0

Sulfate

(so«)

22

17

Chloride

(ci)

57 

116 

44 

100 

80 

78

88 

40 

32 

36

Fluoride 

(F)

0.1 

.3

Nitrate 

(NO,)

0.6 

2.4

B

r

(
SACRAMENTO RIVER BASIN Continued 

PUTAH CREEK NEAR WINTERS, CALIF.

LOCATION. At gaging station, 6 miles west of Winters, Yola County, and 8 miles downstream from Calp

DRAINAGE AREA. 577 square miles.

RECORDS AVAILABLE. Chemical analyses: October 1952 to September 1955.

REMARKS. Values reported for dissolved solids are sums of determined constituents. Records of disc

given in WSP 1395.

Chemical analyses, In parts per million, water year October 1954 to Se

Date of collection

Jan. 13, 1955 .......

Mar. 9 .............

Sept. 19 ............

Discharge 

(cfs)

1.8 

3,100 

1,470 

105 

96 

180

61 

8.8 

5.9 

2.4 

0 

3.9

Silica 

(SiOa)

27

27 

21

Iron 

(Fe)

0.01 

.00

Calcium 

(Ca)

36 

21 

13 

22 

24 

23

25 

24 

37 

23 

33 

29

Magnesium 

(Mg)

58 

31 

28 

41 

44 

40

49 

41 

48 

65 

70 

64

Sodium 

(Na)

45 

8.8 

12 

13 

14 

14

18 

15 

28 

37 

50 

55

Potassium 

(K)

5.6 

1.6 

1.2 

.9 

1.0 

1.0

1.6 

1.3 

1.8 

2.5 

3.1 

2.6

Bicarbonate 

(HCO,)

384 

205 

165 

240 

250 

239

295 

280 

334 

372 

412 

351

Carbonate 

(CO,)

10 

0 

0 

10 

12 

9

12 

0 

13 

18 

25 

25

Sulfate 

(S04)

23 

54

Chloride 

(Cl)

33 

9.5 

11 

12 

10 

10

12 

10 

19 

28 

46 

50

Fluoride 

(F)

0.1 

.4

Nitrate 

(NO,)

0.5 

.2

B

r

(

1

1

1.

1
SACRAMENTO RIVER BASIN--Continued 

SACRAMENTO RIVER AT SNODGRASS SLOUGH, NEAR COURTL

LOCATION. At tidal gaging station 2.0 miles north of Courtland, Sacramento County, and approxim

RECORDS AVAILABLE. Chemical analyses; October 1952 to September 1955.

REMARKS. Values reported for dissolved solids are sums of determined constituents. Tidal gaging 

Division of Water Resources. No discharge records available for this station due to tidal eff

Chemical analyses, in parts per million, water year October 1954 t

Date of collection

Oct. 18, 1954 .....

Jan. 21, 1955 .....

Discharge 

(cfs)

Silica 

(Si02)

22

19 

22 

22 

20

21 

18 

19 

22 

22 

26

Iron 

(Fe)

0.20 

.22 

.02 

.03

.05 

.00 

.03 

.05 

.00 

.01

Calcium 

(Ca)

15 

16 

11 

11 

17 

13

13 

12 

14 

14 

15 

17

Magnesium 

(Mg)

7.4 

7.1 

5.7 

6.2 

9.1 

6.5

6.2 

6.3 

6.1 

7.1 

7.9 

11

Sodium 

(Na)

11 

14 

7.1 

10 

15 

9.8

8.8 

11 

15 

15 

17 

15

Potassium 

(K)

1.2 

1.9 

1.5 

1.1 

1.1 

1.1

1.3 

1.0 

1.0 

1.5 

1.3 

1.8

Bicarbonate 

(HCO,)

91 

80 

60 

63 

96 

75

78 

65 

80 

86 

98 

114

Sulfate 

(SO,)

7.1 

9.1 

17 

10

6.0 

10 

12 

12 

12 

14

Chloride 

(Cl)

11 

12 

6.8 

11 

12 

7.0

7.2 

11 

11 

12 

12 

12

Fluoride 

(F)

0.5 

.5 

.1 

.1

.2 

.1 

.0 

.3 

.1 

.1

Nitrate 

(NO,)

1.6 

1.2 

.6 

.5

1.1 

.8 

.8 

.6 

.6 

1.0

Boron 

(B)

0.03 

.00 

.00 

.00 

.07 

.10

.oa

.09 

.08 

.13 

.11 

.01
SACRAMENTO RIVER BASIN Continued

LINDSAY SLOUGH NEAR RIO VISTA, CALIF.

jj LOCATION. Near tidal gaging station 6 miles north of Rio Vista, Solano County, and 1.1 miles ups

2 RECORDS AVAILABLE. Chemical analyses: October 1953 to September 1955.

^ REMARKS.--Values reported for dissolved solids are sums of determined constituents. No discharge 

from Suisun Bay.

Chemical analyses, in parts per million, water year October 1954 to 

Date of collection

Oct. 20, 1954. .... 

Nov. 16 ..........

Dec. 15..........

Jan. 21, 1955 ....

Mar. 14. ......... 

Apr. 18..........

May 16. ..........

June 22 .......... 

July 20 ..........

Aug. 3...........

Aug. 25 ..........

Sept. 23. .........

Discharge 

(cfs)

Silica 

(SiO,)

21

21

20

--

24

Iron 

(Fe)

0.05

--

.10

Calcium 

(Ca)

18 

15 

18 

19 

20

18 

14 

13 

11 

12

15

15

20

Magnesium 

(Mg)

12 

9.4 

15 

15 

16

15 

8.8 

8.6 

7.7 

7.6

9.4

9.1

15

Sodium 

(Na)

25 

17 

30 

25 

27

24 

13 

12 

13 

13

20

18

29

Potassium 

(K)

1.7 

1.7 

2.2 

1.8 

1.5

2.9 

1.5 

1.3 

1.2 

1.3

2.2

1.6

1.9

Bicarbonate 

(HCO,)

120 

96 

117 

119 

124

JU8 

89 

78 

76 

78

91

101

138

Sulfate 

(SO,)

15 

11

--

24

Chloride 

(Cl)

22

15 

26 

27 

25

24 

12 

12 

11 

11

13 

13 

14 

14 

26

Fluoride 

(F)

0.1 

.3

Nitrate 

(NO,)

0.7 

.6

.6

Boron 

(B)

0.15 

.11 

.22 

.41 

.20

.18 

.11 

.05 

.12 

.06

.12 

.09 

.25

a Residue on evaporation at 180°C.
SACRAMENTO RIVER BASIN Continued 

SACRAMENTO RIVER NEAR RIO VISTA, CALI

LOCATION. On pier 1,500 feet above tidal gaging station, 1 mile south of Rio Vista, Solano Count

RECORDS AVAILABLE. Chemical analyses: October 1953 to September 1955.

REMARKS. Values reported for dissolved solids are sums of determined constituents. No discharge 

Suisun Bay.

Chemical analyses, In parts per million, water year October 1954 t

Date of collection

Oct. 20, 1954 .. 

Nov. 16 ........

Jan. 21, 1955 .. 

Feb. 14 ........

Mar. 14. .......

Apr. 18...... ..

May 16 ........

Aug. 25 ........

Sept. 23........

Discharge 

(cfs)

Silica 

(Si02)

22

19 

24

Iron 

(Fe)

0.02 

.05

Calcium 

(Ca)

16 

15 

14 

12 

18 

17

12 

11 

10 

13 

12 

19

Magnesium 

(Mg)

9.8 

7.2 

7.3 

7.1 

12 

9.1

8.3 

6.0 

7.1 

9.6 

10 

11

Sodium 

(Na)

17 

13 

13 

10 

18 

14

11 

9.6 

11 

18 

18 

23

Potassium 

(K)

1.4 

1.6 

1.6 

1.3 

1.2 

1.1

1.2 

.9 

1.1 

1.9 

1.5 

2.0

Bicarbonate 

(HCO,)

102 

84 

76 

71 

104 

91

81 

66 

70 

76 

100 

126

Sulfate 

(S04 )

3.1

17

Chloride 

(CD

14 

12 

12 

9.5 

16 

13

9.2 

11 

10 

14 

13 

16

Fluoride 

(F)

0.1 

.3

Nitrate 

(NO,)

0.6 

.5

Boron 

(B)

0.08 

.05 

.15 

.19 

.11 

.16

.04 

.09 

.08 

.21 

.11 

.01
SACRAMENTO RIVER BASIN Continued 

MISCELLANEOUS ANALYSES OF STREAMS IN SACRAMENTO RIVER BA

Chemical analyses, in parts per million, water year October 1954 t

Date of collection

Discharge 

(cfs)

Silica 

(Si02)

Iron 

(Fe)

Calcium 

(Ca)

Magnesium 

(Mg)

Sodium 

(Na)

Potassium 

(K)

Bicarbonate 

(HCO,)

Carbonate 

(CO,)

Sulfate 

(S04)

Chloride 

(Cl)

Fluoride 

(F)

Nitrate 

(NO,)

PIT RIVER NEAR CANBY (SEC. 10, T. 41 N., R. 9 

Nov. 10 ...........

Sept. 14 ...........

63

44

202

234

75

5.6

67

34

32

0.05

.06

23

20

19

11

15

25

22

5.0

8.5

6.7

9.9

5.0

8.5

10

27

32

25

18

15

29

30

25

21

5.6

5.5

5.0

3.5

3.7

5.7

4.9

5.3

5.1

156

152

135

106

97

182

173

183

160

7.1

5.0

6.0

10

7.0

6.4

3.0

3.7

4.0

4.5

4.0

0.4

.5

1.3

.6

BURNCT CREEK NEAR BURNCT (SEC. 18, T. 35 N., R. 

Oct. 13, 1954 ......

Nov. 10 ...........

June 15............

July 13 ............

Sept. 14 ...........

Sept. 13 ...........

18 

29

0.05 

.13

12 

11 

11 

3.5 

5.1 

10 

10 

11 

11

5.5 

4.5 

4.0 

4.5 

1.8 

3.4 

4.4 

5.5 

4.6

4.8 

4.5 

4.1 

3.2 

2.4 

3.7 

4.2 

4.6 

4.3

1.0 

1.6 

1.3 

.7 

.8 

1.2 

1.3 

.9 

1.0

71 

64 

59 

42 

32 

58 

66 

71 

70

0.5 

.0

1.0 

1.0 

.5 

.0 

.8 

.4 

.5 

.8 

.0

0.2 

.0

0.1 

.2

INDIAN CREEK NEAR CRESCENT MILLS (SEC. 25, T. 26 

25 

86 

1,120 

214 

21 

5.3 

4.2

21 

29

0. 11 

.01

25 

19 

9.3 

16 

26 

33 

36

6.3 

7.0 

2.1 

3.7 

8.5 

8.4 

12

12 

9.2 

3.8 

5.8 

13 

17 

21

1.8 

1.6 

1.1 

1.6 

2.1 

1.8 

1.6

122 

102 

48 

79 

140 

174 

201

2.2 

10

4.7 

4.2 

.5 

.0 

4.2 

6.8 

12

0.2 

.0

0.4 

.3
SACRAMENTO RIVER BASIN Continued 

MISCELLANEOUS ANALYSES OF STREAMS IN SACRAMENTO RIVER BASIN IN 

Chemical analyses, in parts per million, water year October 1954 to Septe

Date of collection

Discharge

(cfs)

Silica 

(Si02)

Iron

(Fe)

Calcium 

(Ca)

Magnesium 

(Mg)

Sodium 

(Na)

Potassium 

(K)

Bicarbonate 

(HCO,)

Carbonate 

(CO,)

Sulfate 

(SO,)

Chloride 

(CD

Fluoride 

(F)

Nitrate 

(NO,)

SOUTH HONCUT CREEK NEAR BANGOR (SEC. 35, T. 18 N., 

Nov. 11, 1954 .....

July 14 ............

6.2

19

13

1.3

.1

14

23

6.8

4 3

7 9

11

17

29

0.5

.4

82

134

8.5

19
NAPA RIVER BASIN 

NAPA RIVER NEAR ST. HELENA, CALIF.

LOCATION. At highway bridge 0.2 mile downstream from gaging station, 1.2 miles northeast of Zinf

DRAINAGE AREA. 81.3 square miles (above gaging station). 

RECORDS AVAILABLE.--Chemical analyses: October 1953 to July 1955.

REMARKS. Values reported for dissolved solids are sums of determined constituents. Records of d

given in WSP 1395.

Chemical analyses, in parts per million, October 1954 t

Date of collection

Oct. 18, 1954 ...

Jan. 13, 1955

July 19. .........

Discharge 

(cfs)

0.7 

92 

50 

103 

32

34 

13 

11 

2.9 

.5

Silica 

(Si02)

30 

35

41 

11

Iron 

(Fe)

0.02

Calcium 

(Ca)

37 

11 

14 

14 

17

18 

16 

19 

30 

27

Magnesium 

(Mg)

16 

5.2 

7.1 

7.8 

7.0

8.8 

12 

9.1 

13 

18

Sodium 

(Na)

17 

15 

14 

8.9 

17

18 

22 

22 

20 

21

Potassium 

(K)

2.2 

3.1 

2.1 

2.1

3.0 

3.2 

2.9 

2.7 

3.7

Bicarbonate 

(HCO,)

198 

54 

73 

80 

91

100 

123 

118 

162 

195

Sulfate 

(S04 )

14

Chloride 

(CD

12 

16 

11 

7.8 

14

15 

19 

19 

17 

12

Fluoride 

(F)

0.5

Nitrate 

(NOS)

2.4

Boron 

(B)

0.38 

.41 

.23 

.18 

.31

.36 

.58 

.54 

.44 

.49
RUSSIAN RIVER BASIN 

EAST FORK RUSSIAN RIVER AT POTTER VALLEY POWERHOUS

LOCATION. At gaging station of Pacific Gas & Electric Co. powerhouse, 3 miles northwest of Potter 

RECORDS AVAILABLE. Chemical analyses: October 1953 to September 1955.

REMARKS. Values reported for dissolved solids are sums of determined constituents. Records of di

Potter Valley for water year October 1954 to September 1955 given in ¥SP 1395.

Chemical analyses, in parts per million, water year October 1954 to 

Date of collection

Oct. 4, 1954. .....

Dec. 6 ...........

Jan. 3, 1955 ..... 

Feb. 7...........

May 2 ...........

July 11 ..........

Sept. 12 .........

Mean 

Discharge 

(cfs)

304 

11 

258 

311 

308 

320

87 

323 

229 

217 

233

Silica 

(Si02)

6.5

9.3

7:7

Iron 

(Fe)

0.10 

.00

.02

Calcium 

(Ca)

20 

24 

13 

17 

18 

15

21 

18 

21 

19 

21

Magnesium 

(Mg)

6.3 

7.3 

3.9 

4.6 

4.8 

7.5

5.5 

4.9 

4.0 

5.3 

5.4

Sodium 

(Na)

5.0 

6.4 

4.2 

4.7 

5.5 

5.6

6.8 

5.3 

5.4 

5.4 

5.7

Potassium 

(K)

0.7 

.7 

1.6 

.9 

.6 

.8

1.0 

.8 

.5 

.6 

.7

Bicarbonate 

(HCO,)

96 

106 

59 

75 

78 

84

94 

79 

86 

86 

96

Sulfate 

(SO,)

8.4 

7.0

Chloride 

(Cl)

3.0 

5.5 

1.8 

3.2 

3.5 

3.8

4.0 

4.2 

3.2 

3.2 

3.4

Fluoride 

(F)

0.1 

.1

Nitrate 

(NO,)

0.2 

.3

Boron 

(B)

0.28 

.53 

.44 

.32 

.24 

.28

.49 

.23 

.26 

.33 

.35
RUSSIAN RIVER BASIN--Contlimed 

EAST FORK RUSSIAN RIVER NEAR CALPELLA, CA

LOCATION.--Approximately 0.2 mile below gaging station, 1.6 miles downstream from Cold Creek, and 

DRAINAGE AREA. 94.0 square miles.

RECORDS AVAILABLE.--Chemical analyses: October 1952 to September 1955.

REMARKS. Values reported for dissolved solids are sums of determined constituents. Records of d

given in WSP 1395.

Chemical analyses, in parts per million, water year October 1954 to 

Date of collection

Nov. 7 ...........

Mar . 1 ...........

Mean 

discharge 

(cfs)

285 

19 

860 

400 

358 

403

104 

361 

190 

186 

195 

202

Silica 

(Si02)

11 

8.5

Iron 

(Fe)

0.07 

.00

.04

Calcium 

(Ca)

23 

25 

13 

17 

20 

17

22 

21 

20 

19 

20 

20

Magnesium 

(Mg)

4.5 

9.1 

6.1 

4.5 

6.3 

9.1

8.5 

6.2 

6.0 

7.0 

6.3 

7.0

Sodium 

(Na)

5.6 

8.8 

4.6 

4.9 

6.3 

6.6

8.0 

6.2 

6.2 

6.6 

5.9 

6.3

Potassium 

(K)

0.8 

.8 

1.8 

.8 

.7 

.8

1.0 

.7 

1.0 

1.2 

.8 

.9

Bicarbonate 

(HCO,)

100 

130 

66 

76 

90 

96

113 

93 

94 

94 

97 

99

Sulfate 

(SO,)

10 

8.4

Chloride 

(Cl)

7.0 

5.0 

2.5 

3.0 

3.5 

3.0

4.5 

4.0 

3.2 

3.8 

3.2 

3.5

Fluoride 

(F)

0.1 

.2

Nitrate 

(NOS)

0.1 

.3

Boron 

(B)

0.37 

.65 

.31 

.40 

.27 

.27

.46 

.26 

.20 

33

iss

.41
RUSSIAN RIVER BASIN Continued

EAST FORK RUSSIAN RIVER NEAR URIAH, CALI

LOCATION . At gaging station at private road bridge, 1.3 miles upstream from mouth, and 3.7 miles 

DRAINAGE AREA. 104 square miles, approximately.

RECORDS AVAILABLE. Chemical analyses: December 1952 to March 1955 (discontinued).

Water temperatures: December 1952 to March 1955 (discontinued).

Sediment records: December 1952 to March 1955 (discontinued). 

EXTREMES, 1954-55. Dissolved solids: Maximum, 118 ppm Mar. 1-31; minimum, 104 ppm Jan. 1-14, Feb

Hardness: Maximum, 88 ppm Mar. 1-31; minimum, 73 ppm Dec. 1-31.

Water temperatures: Maximum, 60°F on several days during October; minimum, 37°F Jan. 3.

Sediment concentrations: Maximum daily, 530 ppm Dec. 5; minimum daily, 5 ppm Oct. 12, Nov. 1-9

Sediment loads: Maximum daily, 2,800 tons Dec. 5; minimum daily, 2 tons Nov. 1-9, Mar. 25-31. 

EXTREMES, 1952-55. Dissolved solids: Maximum, 150 ppm Jan. 23-31, Feb. 1-10, 1953; minimum, 68 p

Hardness: Maximum, 113 ppm Jan. 23-31, Feb. 1-10, 1953; minimum, 34 ppm Jan. 16, 23, 1954.

Specific conductance: Maximum daily 279 micromhos Feb. 10, 1953; minimum daily 72.8 micromhos 

Water temperatures: Maximum, 75°F Aug. 9, Sept. 3, 10, 1953; minimum, 37°F Jan. 3, 1955.

Sediment, concentrations: Maximum daily,. 3,510 ppm Jan. 17, 1954; minimum daily 1 ppm Jan. 29, 

Sediment loads: Maximum daily, 57,700 tons Jan. 17, 1954; minimum daily, less than 0.50 tons O

REMARKS. Values reported for dissolved solids are residues on evaporation. Records of specific 

at Sacramento, Calif. Records of discharge for water year October 1954 to September 1955 given 

Chemical analyses, in parts per million, October 1954 t

Date of collection

Oct. 1, 5, 8, 12, 

15, 19, 22, 26,

Nov. 2, 5, 9, 11, 

13-30. .........

Dec. 1-16.......

Jan. 1-14, 1955 . 

Jan. 15-18, 20-31 

Feb. 1-28.......

Mar. 1-31 ......

Mean 

discharge 

(cfs)

307

338 

534 

377 

393 

527 

377 

221

Silica 

(Si08)

9.5

8.8 

13 

13 

12 

12 

12 

13

Iron 

(Fe)

0.02

.02 

.09 

.06 

.06 

.06 

.07 

.01

Calcium 

(Ca)

21

21 

16 

18 

18 

18 

19 

21

Magnesium 

(Mg)

7.7

7.7 

8.0 

6.8 

7.6 

7.3 

6.7 

8.7

Sodium 

(Na)

6.5

8.0 

6.7 

6.8 

6.5 

6.5 

6.3 

7.4

Potassium 

(K)

0.7

.9 

1.1 

.9 

1.1 

.9 

.8 

.9

Bicarbonate 

(HCO,)

102

104 

86 

90 

94 

93 

92 

108

Sulfate 

(SO,)

7.2

8.4 

8.6 

8.1 

9.2 

10 

9.6 

11

Chloride 

(Cl)

5.2

5.5 

4.0 

4.0 

3.8 

3.8 

3. 8 

4.2

Fluoride 

(F)

0.1

. 1 

.3 

.1 

.1 

.2 

.1 

.1

Nitrate 

(NO,)

0.5

.6 

1.4 

.6 

.8 

.8 

.6 

.5

Boron 

(B)

0.3

.5

.3

.4

.3

.3

.3

.4
RUSSIAN RIVER BASIN 

RUSSIAN RIVER BASIN Continued 

EAST FORK RUSSIAN RIVER NEAR UKIAH, CALIF.--Continued

Temperature (°F) of water, October 1954 to March 1955 

/Once-daily measurement at approximately 10 a. mj

315

Day

1

2

3

4

5

6

7

8

9

10

11

12

13

14

15

16

17

18

19

20

21

22

23

24

25

26

27

28

29

30

31

Average

Oct.

58

60

60

~

..

60

60

_.

60

_

60

-

57

52

--

Nov.

..

58

57

_

54

~

53

53

50

52

52

52

48

49

50

50

50

50 47

48

50

50

48

48

44

45

--

--

Dec.

47

49

50

50

50

50

50

45

45

43

45

44

44

45

45

43

45

45

44

43

43

44

44

42

41

41

39

45

45

45

45

45

Jan.

45

40

37

40

42

42

38

38

42

42

41

42

42

38

41

39

42

43

40

40

40

41

39

40

42

40

39

39

41

45

42

41

Feb.

42

40

38

40

39

42

41

41

40

40

40

40

40

42

44

40

46

41

40

39

41

42

40

40

42

42

40

39

_

_

41

Mar.

39

42

42

43

42

44

45

49

49

40

45

50

45

42

46

45

41

49

47

47

49

49

46

47

48

49

55

52

53

46

49

46

Apr. May June July Aug. Sept.
316 PACIFIC SLOPE BASINS IN CALIFORNIA

RUSSIAN RIVER BASIN--Continued

EAST FORK RUSSIAN RIVER NEAR URIAH, CALIF.--Continued 

Suspended sediment, October 1954 to March 1955

Day

1. .....

2. ..... 

3. ..... 

4. ..... 

5. .....

6......

9. .....

10. .....

12. .....

15. .....

16. .....

17. .....

20. .....

22......

24. .....

25. .....

29......

30. .....

31......

Total.

L..... 

2. ..... 

3...... 

4...... 

5......

a.....

10. ..... 

11. .....

13...... 

14. ..... 

15. .....

1p

19. ..... 

20. .....

22. ..... 

23. ..... 

24. ..... 

25......

26...... 

27. ..... 

28. ..... 

29. ..... 

30. ..... 

31...... 

Total.

October

Mean 

discharge 

(cfs)

286 

302 

306 

282 

286

286 

306 

306 

302 

302

298 

302 

306 

302 

302

306 

294 

306 

314 

314

310 

314 

318 

318 

322

318 

334 

338 

338 

346 

354

9,618

Suspended sediment

Mean 

concentration 

(ppm)

9 

6 

9

5 

11

10

--

Tons 

per 

day

7 

5

} ' 

} .

9 

9

243

January

665 

482 

414 

390 

382

378 

378 

370 

398 

390

318 

243 

346 

342 

434

548 

608 

885 

1,320 

730

598 

562 

530 

504 

478

462 

442 

430 

422 

406 

398

15,253

190 

45 

19 

14 

12

11 

12 

14

16 

14 

20 

14 

70

86 

160 

190 

350 

65

33 

35 

26 

22 

20

15 

16 

14 

15 

11 

14

-

sa390 

59 

21 

15 

12

11 

e!2 

12 

el5 

15

14 

9 

19 

13 

a 82

127 

sa 550 

sa530 

sal, 300 

128

53 

53 

37 

30 

26

19 

19 

16 

17 

12 

15

3,631

November

discharge 

(cfs)

366 

350 

173 

170 

89

29 

18 

24 

26 

90

342 

394 

366 

418 

607

438 

354 

342 

338 

346

342 

342 

342 

338 

342

342 

342 

342 

342 

338

8,692

Suspended sediment

Mean 

concentration 

(ppm)

5

20

47 

37 

28 

32 

140

100 

69 

90 

80 

50

38 

} 28

12

-

Tons 

per 

day

2

b5

s46 

39 

b28 

b36 

sb270

b!20 

66 

83 

73 

47

35 

26

11

1,010

February

422 

398 

386 

382 

382

378 

374 

370 

370 

366

362 

362 

358 

358 

358

330 

362 

358 

354 

354

354 

354 

354 

354 

354

414 

548 

430

10,546

7 

8

8

9

25 

42 

17

-

e20 

7

8

8

9

28 

62 

20

316

December

Mean 

discharge 

(cfs)

470 

910 

512 

430 

744

896 

535 

390 

910 

478

378 

342 

386 

402 

390

378 

374 

366 

362 

362

362 

358 

354 

354 

354

354 

350 

350 

350 

362 

645

14,208

Suspended sediment

Mean 

concentration 

(ppm)

50 

490 

180 

60 

530

400 

80 

41 

367 

40

27 

24 

41 

32 

24

21 

28 

23 

26 

23

23 

22 

23 

17 

21

12 

16 

14 

11 

115 

190

-

Tons 

per 

day

63 

si, 510 

249 

70 

sa2,800

si, 160 

116 

43 

si, 220 

52

28 

22 

43 

35 

25

21 

28 

23 

25 

22

22 

21 

22 

16 

20

11 

15 

13 

10 

15 

s398

8,118

March

406 

402 

390 

378 

370

362 

362 

358 

366 

362

346 

179 

194 

191 

191

176 

173 

123 

119 

123

123 

119 

116 

114 

112

114 

110 

110 

114 

126 

121

6,850

9

.

8 

6

"

9 

8

3 

2

174

Total discharge for period (cfs-days). 

Total load for period (tons) .........

65,167

13,492

e Estimated.

s Computed by subdividing day.

a Computed from estimated concentration graph.

b Computed from partly estimated concentration graph.
RUSSIAN RIVER BASIN Continued

RUSSIAN RIVER NEAR UKIAH, CALIF.

LOCATION. On right bank below Talmadge Road bridge, 1 mile east of Ukiah, Mendocino County, and 

RECORDS AVAILABLE. Chemical analyses: October 1953 to September 1955.

REMARKS.--Values reported for dissolved solids are sums of determined constituents. No discharg

Chemical analyses, in parts per million, water year October 1

Date of collection

Oct. 4, 1954.. ... 

Nov. 7 .........

Feb. 7, 1955 ....

May 2 ..........

Sept. 12. ........

Mean 

discharge 

(cfs)

Silica 

(Si02)

8. 2

17 

10

Iron 

(Fe)

0.00 

.06

Calcium 

(Ca)

20 

23 

18 

28 

26 

23

31 

27 

21 

19 

22

Magnesium 

(Mg)

6.8 

9.4 

5.6 

8.8 

9.8 

8.9

8.2 

2.2 

6.5 

7.4 

8.2

Sodium 

(Na)

5.8 

8. 2 

5.6 

8.9 

9.6 

9.8

8.0 

6.5 

6.7 

6.2 

8.7

Potassium 

(K)

0.8 

1.0 

1.8 

1.0 

1.3 

1.1

1.1 

.8 

1.1 

1.0 

1.0

Bicarbonate 

(HC03 )

98 

119 

80 

126 

128 

121

138 

98 

101 

100 

113

Sulfate 

(S04 )

10 

8.2

Chloride 

(Cl)

3.5 

5.5 

3.0 

4.8 

6.6 

6.0

5.8 

.6 

3.8 

3.0 

5.2

Fluoride 

(F)

0.1 

.2

Nitrate 

(NO,)

0.1 

.2

Bo

ron 

(B

0.2

.5

.1

.2

.1

.5

.1

.3

.3

.4

.3
RUSSIAN RIVER BASIN Continued

RUSSIAN RIVER NEAR HOPLAND, CALIF.

LOCATION. At gaging station in Rancho de Sanel Grant, 0.2 mile downstream from McNab Creek, 4 mil

upstream from Sulfur Creek. 

DRAINAGE AREA. 362 square miles.

RECORDS AVAILABLE. Chemical analyses: October 1953 to September 1955. 

REMARKS. Values reported for dissolved solids are sums of determined constituents. Records of dis

in WSP 1395.

Chemical analyses, In parts per million, water year October 1954 to 

Date of collection

Oct 4 1 9 54

Nov. 7 ...........

Jan. 3, 1955......

Feb. 7 ...........

Apr. 4 ...........

May 2 ...........

Sept. 12..........

Mean 

discharge 

(cfs)

293 

75 

3,040 

925 

586 

719

171 

658 

220 

186 

189 

180

Silica 

(Si02)

7.3

13 

9.3

Iron 

(Fe)

0.06 

.00

.03

Calcium 

(Ca)

22 

26 

12 

18 

20 

16

23 

22 

19 

19 

20 

21

Magnesium 

(Mg)

6.3 

9.5 

6.3 

7.6 

8.3 

10

9.9 

7.3 

7.0 

7.9 

7.3 

6.1

Sodium 

(Na)

6.0 

8.1 

5.1 

6.4 

7.8 

7.6

9.6 

7.7 

7.3 

7.8 

6.7 

6.9

Potassium 

(K)

0.7 

.7 

2.0 

1.0 

.7 

1.1

1.3 

.8 

.8 

.9 

1.1 

.5

Bicarbonate 

(HC05)

102 

127 

62 

88 

100 

98

125 

103 

104 

a 100 

104 

b97

Sulfate 

(S04 )

10 

9.0

Chloride 

(Cl)

4.0 

6.0 

3.0 

4.5 

5.2 

4.8

6.0 

5.5 

4.5 

4.2 

6.0 

4.1

Fluoride 

(F)

0.0 

.2

Nitrate 

(NO,)

0.9 

.6

Boron 

(B)

0.27 

.44 

.11 

.34 

.25 

.23

.39 

.28 

.25 

.33 

.35 

.40

a Includes equivalent of 9 parts per million of carbonate (COS). 

b Includes equivalent of 13 parts per million of carbonate (CO,).
RUSSIAN RIVER BASIN Continued

RUSSIAN RIVER NEAR HEALDSBURG, CALIF.

LOCATION. At gaging station in Sotoyome Grant, 2 miles east of Healdsburg, Sonoma County, and 3.

DRAINAGE AREA. 791 square miles.

RECORDS AVAILABLE. Chemical analyses: October 1953 to September 1955.

REMARKS.--Values reported for dissolved solids are sums of determined constituents. Records of di

in WSP 1395.

Chemical analyses, In parts per million, water year October 195

Date of collection

Oct. 4, 1954 ...

Jan. 3, 1955 ...

May 2 .........

Sept. 12 .......

Mean 

discharge 

(els)

288 

180 

8,330 

1,570 

926 

908

318 

1,380 

196 

177 

141 

168

Silica 

(Si02)

14

5.6 

12

Iron 

(Fe)

0.00 

.02

Calcium 

(Ca)

25 

28 

14 

19 

25 

21

27 

25 

31 

27 

27 

28

Magnesium 

(Mg)

12 

13 

6.5 

9.6 

12 

14

16 

11 

12 

15 

15 

12

Sodium 

(Na)

9.6 

14 

4.2 

7.7 

12 

8.4

11 

8.7 

16 

17 

16 

18

Potassium 

(K)

1.2 

1.2 

3.2 

1.3 

.9 

1.1

1.0 

.9 

1.5 

1.2 

1.2 

1.2

Bicarbonate 

(HCO,)

140 

158 

70 

102 

136 

132

168 

129 

164 

171 

173 

164

Sulfate 

(SO,)

13 

7.8

Chloride 

(Cl)

7.0 

10 

2.5 

4.5 

7.8 

5.3

7.1 

7.5 

11 

12 

12 

12

Fluoride 

(F)

0.1 

.1

Nitrate 

(N03 )

0.6 

.1

Boron 

(B)

1.1 

2.5 

.28 

.39 

1.2 

.34

.84 

.16 

2.5 

3.1 

3.3 

3.5
RUSSIAN RIVER BASIN--Continued 

RUSSIAN RIVER AT GUERNEVILLE, CALIF.

LOCATION. On bridge on State Highway 12 in Guerneville, Sonoma County, 5.3 miles downstream from ga

Austin Creek.

DRAINAGE AREA. 1,349 square miles.

RECORDS AVAILABLE. Chemical analyses: October 1953 to September 1955. 

REMARKS. Values reported for dissolved solids are sums of determined constituents. Records of disc

water year October 1954 to September 1955 given in WSP 1395.

Chemical analyses, in parts per million, water year October 1954 to Sep

Date of collection

Oct. 4, 1954. .......

Nov. 7 .............

Jan. 3, 1955. .......

Feb. 7... ..........

May 2. .............

Sept. 12..... .......

Mean 

discharge 

(cfs)

299 

225 

11,300 

2,120 

1,320 

1,700

418 

2,030 

212 

186 

138 

148

Silica 

(SiOa)

13

16 

15

Iron 

(Fe)

0.00 

.00

Calcium 

(Ca)

26 

28 

13 

18 

24 

17

29 

23 

30 

28 

27 

23

Magnesium 

(Mg)

13 

14 

6.3 

9.0 

13 

13

15 

12 

15 

16 

16 

18

Sodium 

(Na)

13 

14 

5.3 

6.7 

10 

10

15 

9.0 

13 

15 

15 

15

Potassium 

(K)

1.2 

1.4 

2.5 

1.4 

1.1 

1.5

1.3 

1.2 

1.3 

1.3 

1.4 

1.4

Bicarbonate 

(HCOS)

156 

159 

68 

95 

132 

112

170 

126 

170 

174 

181 

169

Carbonate 

(CO,)

Sulfate 

(SO,)

14 

11

Chloride 

(Cl)

9.5 

12 

9.0 

4.8 

7.0 

8.0

10 

6.5 

».9 

11 

12 

12

Fluoride 

(F)

0.1 

.0

Nitrate 

(N03 )

0.9 

1.2

B

r

(

2

2 

.

1

1

2

2

2
EEL RIVER BASIN

EEL RIVER AT McCANN, CALIF.

LOCATION. On right bank below Summer bridge, about 0.5 mile northwest of McCann, Humboldt Coun

RECORDS AVAILABLE.--Chemical analyses: October 1953 to September 1955.

REMARKS. Values reported for dissolved solids are sums of determined constituents. No dischar

Chemical analyses, in parts per million, water year October 1

Date of collection

Oct. 5, 1954 . . .

Jan. 4, 1955.... 

Feb. 8 ........

May 4

July 12, 10:15 a. m. 

July 12, ll:20a. m.

Sept. 13 .......

Mean 

discharge 

(cfs)

Silica 

(Si02)

9.5

10 

12

Iron 

(Fe)

0.00 

.02

Calcium 

(Ca)

37 

14 

17 

21 

17 

20

19 

28 

31 

37 

35 

37

Magnesium 

(Mg)

9.7 

3.2 

4.4 

5.7 

7.4 

5.1

4.8 

4.4 

8.9 

9.4 

6.7 

8.6

Sodium 

(Na)

7.9 

3.0 

3.6 

4.9 

5.0 

4.6

4.5 

5.2 

6.6 

8.9 

7.1 

7.8

Potassium 

(K)

1.2 

2.0 

.9 

.7 

1.0 

.8

.8 

.9 

1.1 

3.2 

1.1 

1.3

Bicarbonate 

(HCOS )

142 

54 

70 

88 

84 

83

80 

99 

135 

173 

131 

150

Sulfate 

(S04)

9.7 

19

Chloride 

(Cl)

8.0 

1.2 

1.8 

3.0 

3.2 

2.5

2.2 

3.4 

5.0 

6.5 

5.5 

5.6

Fluoride 

(F)

0.0 

.1

Nitrate 

(NO,)

0.1 

.1

B

ro

(B

0

.

.

.
EEL RIVER BASIN--Continued

SOUTH FORK EEL RIVER NEAR MIRANDA, CALI

LOCATION. At gaging station at Sylvandale campgrounds on U. S. Highway 101, 0.5 mile upstream fr

Miranda, Humboldt County, and 20 miles upstream from mouth. 

DRAINAGE AREA. 537 square miles (revised).

RECORDS AVAILABLE. Chemical analyses: October 1953 to September 1955. 

REMARKS. Values reported for dissolved solids are sums of determined constituents. Records of 

given in WSP 1395.

Chemical analyses, in parts per million, water year October 1954 t

Date of collection

Oct. 5, 1954 .....

Jan. 4, 1955 .....

Sept. 13.........

Mean 

discharge 

(cfs)

59 

79 

7,040 

2,990 

1,000 

940

571 

1,790 

300 

114 

77 

44

Silica 

(Si02)

38 

9.4

Iron 

(Fe)

0.00 

.02

CaU 

cium 

(Ca)

30 

25 

9.8 

12 

15 

12

16 

11 

11 

21 

22 

25

Magnesium 

(Mg)

8.1 

8.9 

3.3 

3.2 

4.6 

6.1

4.9 

6.0 

4.2 

8.4 

9.3 

10

Sodium 

(Na)

9.0 

8.9 

4.5 

5.5 

6.2 

6.1

6.6 

6.1 

2.6 

8.9 

9.0 

9.3

Potassium 

(K)

1.1 

1.0 

1.4 

.8 

.7 

.8

.8 

1.0 

.6 

1.2 

1.3 

1.1

Bicarbonate 

(HCO,)

136 

122 

47 

58 

72 

70

78 

70 

51 

113 

126 

135

Sulfate 

(SOJ

6.3

4.0

Chloride 

(Cl)

3.5 

8.0 

2.2 

2.0 

4.0 

4.4

4.5 

3.1 

2.8 

5.5 

5.5 

7.0

Fluoride 

(F)

0.3 

.2

Nitrate 

(NO,)

0.3 

.2

Boron 

(B)

0.13 

.16 

.03 

.00 

.03 

.00

.09 

.06 

.00 

.09 

.12 

.11
EEL RIVER BASIN Continued

EEL RIVER AT SCOTIA, CALIF.

LOCATION. On left bank near gaging station on bridge on U. S. Highway 101, 0.5 mile north of Sco

Van Duzen River.

DRAINAGE AREA. 3,113 square miles.

RECORDS AVAILABLE.--Chemical analyses: October 1953 to September 1955. 

REMARKS. Values reported for dissolved solids are sums of determined constituents. Records of d

given in WSP 1395.

Chemical analyses, in parts per million, water year October 1954 t

Date of collection

Oct. 5, 1954 ......

Sent. 13.. ........

Mean 

discharge 

(cfs)

184 

35, 100 

12, 500 

4,700 

4,720

3,280 

4,800 

1,300 

205 

106

Silica 

(S102)

9.5

10 

9.3

Iron 

(Fe)

0.10 

.02

Calcium 

(Ca)

38 

13 

16 

24 

19

26 

24 

28 

28 

33

Magnesium 

(Mg)

12 

3.1 

4.3 

7,1 

7,9

14 

4.2 

11 

10 

11

Sodium 

(Na)

11 

3.8 

4.8 

9.9 

8.1

8.4 

6.8 

8.4 

8.6 

10

Potassium 

(K)

1.3 

2.0 

1.0 

.7 

1.1

1.3 

.8 

2.7 

1.3 

1.5

Bicarbonate 

(HCO,)

174 

53 

68 

101 

92

143 

90 

149 

a 140 

159

Sulfate 

(S04)

9.6 

13

Chloride 

(Cl)

9.0 

1.8 

4.0 

10 

8.3

3 3 

1.0 

5.2 

7.2 

8.5

Fluoride 

(F)

0.0 

.1

Nitrate 

(NO,)

0.1 

.9

Boron 

(B)

0.12 

.0

.1

.0

.0

.1

.0

.1

.1

.1

a Includes equivalent of 6 parts per million of carbonate {CO,).
KLAMATH RIVER BASIN

KLAMATH RIVER BELOW FALL CREEK, NEAR COPCO, 

LOCATION.--At gaging station 500 feet downstream from Fall Creek, half a mile downstream from C

and 1 mile south of Copco, Siskiyou County. 

DRAINAGE AREA. 4,370 square miles, approximately.

RECORDS AVAILABLE.--Chemical analyses: October 1953 to September 1955. 

REMARKS.--Values reported for dissolved solids are sums of determined constituents. Records of 

given in WSP 1395.

Chemical analyses, in parts per million, November 1954 to Se

Date of collection

Nov. 10, 1954.....

Feb. 11 ..........

Mar. 16..........

July 12 ..........

Sept. 13. .........

Mean 

discharge 

(cfs)

3,200 

2,520 

2,020 

1,900 

1,370

998 

2,280 

1,050 

297 

1.220

Silica 

(SiOz)

40

19 

35

Iron 

(Fe)

0.01 

.02

Calcium 

(Ca)

9.1 

10 

9.7 

11 

19

25 

5.1 

13 

11 

13

Magnesium 

(Mg)

4.7 

4.4 

4.3 

5.2 

10

13 

10 

6.9 

5.0 

7.2

Sodium 

(Na)

11 

11 

12 

12 

21

26 

14 

14 

11 

15

Potassium 

(K)

2.2 

2.0 

1.7 

2.2 

3.6

4.0 

2.5 

2.3 

2.3 

2.5

Bicarbonate 

(HCO,)

66 

64 

64 

70 

95

106 

73 

94 

76 

92

Sulfate 

(S0«)

18 

13

Chloride 

(Cl)

1.5 

1.8 

2.5 

2.0 

4.0

5.5 

4.0 

4.8 

1.5 

3.2

Fluoride 

(F)

0.1 

.3

Nitrate 

(N03 )

2.9 

2.6

B

ro

(B

0.

.

.

.

.

.

.

.

.

.
KLAMATH RIVER BASIN--Continued

KLAMATH RIVER AT SOMESBAR, CALIF.

LOCATION. 100 feet below gaging station, 400 feet downstream from Salmon River and 1 mile west 

DRAINAGE AREA. 8,480 square miles, approximately.

RECORDS AVAILABLE.--Chemical analyses: October 1953 to September 1955.

REMARKS. Values reported for dissolved solids are sums of determined constituents. Records of d

given in WSP 1395.

Chemical analyses, in parts per million, water year October 195

Date of collection

Oct. 6, 1954....

Jan. 5, 1955....

Sept. 14........

Mean 

discharge 

(cfs)

3,530 

4,940 

6,380 

6,570 

5,580 

4,900

5,320 

10,300 

7,400 

1,980 

1,490 

2,020

Silica 

(Si02)

33

5.3 

26

Iron 

(Fe)

0.10 

.00

.04

Calcium 

(Ca)

15 

13 

12 

13 

16 

16

11 

11 

11 

14 

14 

15

Magnesium 

(Mg)

8.4 

6.2 

6.6 

6.3 

8.3 

8.5

9.9 

3.1 

2.6 

6.6 

6.3 

7.9

Sodium 

(Na)

17 

9.9 

6.6 

5.3 

9.0 

9.4

7.2 

3.6 

4.1 

6.6 

8.4 

12

Potassium 

(K)

2.3 

1.8 

1.2 

.9 

1.2 

1.6

1.1 

.9 

.8 

1.2 

1.8 

2.1

Bicarbonate 

(HCOS)

104 

80 

74 

75 

95 

91

82 

52 

50 

82 

86 

99

Sulfate 

(S04 )

5.5 

11

Chloride 

(Cl)

5.0 

3.5 

2 8 

3! 8 

4.8 

4.2

3.3 

1.5 

2.0 

4.0 

3.0 

5.7

Fluoride 

(F)

0.0 

.4

Nitrate 

(NOS)

0.5 

.9

Boron 

(B)

0.03 

.10 

.07 

.08 

.06 

.07

.04 

.09 

.04 

.15 

.07 

.09
KLAMATH RIVER BASIN--Continued 

TRINITY RIVER AT LEWISTON, CALIF.

A ga li?g station °n downstream side of left pier of highway bridge at Lewiston, Trin

tA. 7/7 square miles. 

RECORDS AVAILABLE. Chemical analyses: December 1953 to September 1955.

Water temperatures: September 1951 to September 1955.

EXTREMES, 1954-55.--Water temperatures: Maximum, 76°F Aug. 3, 7-12; minimum, 34°F Jan. 19, 20. 

EXTREMES, 1951-55. Water temperatures: Maximum, 76°F Aug. 3, 7-12, 1955; minimum, 33°F Jan. 10

REMARKS.--Values reported for dissolved solids are sums of determined constituents. Records of d

§iV6n in WoP 1J95.

Chemical analyses, in parts per million, water year October 1954 

Date of collection

Oct. 12, 1954....

Jan. 20, 1955.... 

Feb. 9 ..........

Apr. 14 .........

Sept. 12 ........

Mean 

discharge 

(cfs)

244 

3,220 

618 

787 

844

1,540 

4,530 

850 

407 

114

Silica 

(Si02)

15

14 

18

Iron 

(Fe)

0.10 

.00

Calcium 

(Ca)

9.0 

5.9 

7.6 

5.3 

5.5

5.3 

4.6 

5.1 

8.1 

12

Magne-

(Mg)

10 

7.2 

8.8 

11 

10

8.2 

6.4 

7.1 

8.9 

9.8

Sodium 

(Na)

4.3 

2.2 

3.6 

3.7 

3.6

2.4 

1.6 

2.3 

3.5 

4.1

Potassium 

(K)

0.6 

. 5 

.3 

.3 

.5

.4 

.4 

.5 

.6 

.7

Bicarbonate 

(HCO,)

78 

54 

68 

72 

71

61 

48 

54 

72 

85

Sulfate 

(SO,)

1.8 

2.0

Chloride 

(Cl)

5.0 

1.8 

4.0 

3.5 

4.9

2.0 

.8 

2.0 

3.5 

6.2

Fluoride 

(F)

0.2 

.1

Nitrate 

(NO,)

0.2

.1

Boron 

(B)

0.06 

.02 

.01 

.00 

.00

.04 

.02 

.06 

.04 

.02
KLAMATH RIVER BASIN Continued

TRINITY RIVER AT LEWISTON, CALIF.--Con

Temperature (°F) of water, water year October 1954 to S

Day

4...................

5. ..................

6...................

7...................

8...................

9. ..................

10. ..................

11...................

12...................

14...................

15...................

16...................

17...................

18. ..................

19...................

20. ..................

21...................

22...................

23...................

24. ..................

25...................

26...................

27...................

28. ..................

29...................

30...................

31. ..................

Average .......

October

max

60 

60 

60 

59 

59

58 

57 

58 

58 

59

59 

59 

58 

58 

58 

57 

58 

58 

57 

56

56 

56 

56 

54 

52

52 

51 

51 

51 

51 

51

56

min

56 

56 

56 

56 

56

55 

56 

56 

56 

56

56 

56 

55 

56 

56 

55 

55 

55 

56 

54

54 

55 

52 

50 

50

49 

48 

48 

48 

48 

48

54

November

max

51 

50 

50 

50 

51

50 

51 

51 

48 

47

47 

47 

46 

46 

45 

46 

46 

46 

46 

46

46 

46 

46 

46 

46

45 

44 

43 

43 

41

47

mln

48 

49 

50 

50 

49

49 

49 

48 

47 

47

47 

46 

46 

45 

44 

45 

46 

45 

45 

46

46 

46 

46 

46 

45

44 

43 

42 

41 

39

46

December

max

39 

38 

38 

39 

40

42 

42 

42 

41 

40

40 

40 

39 

39 

39 

40 

40 

38 

38 

38

39 

39 

39 

39 

39

39 

38 

35 

35 

36 

36

39

min

38 

38 

38 

38 

39

40 

41 

41 

40 

40

40 

39 

38 

39 

39 

39 

38 

38 

38 

38

38 

39 

39 

39 

39

38 

35 

35 

35 

35 

36

38

January

max

36 

37 

38 

37 

37

38 

38 

36 

36 

37

38 

38 

39 

39 

38 

37 

37 

36 

35 

36

38 

38 

39 

40 

40

39 

38 

36 

37 

38 

39

38

mln

36 

36 

37 

37 

37

37 

36 

35 

35 

36

37 

38 

38 

38 

36 

36 

36 

35 

34 

34

36 

38 

38 

39 

38

37 

36 

35 

36 

37 

38

37

February

max

39 

38 

37 

37 

37

38 

39 

40 

41 

40

39 

40 

41 

42 

41 

41 

43 

41 

39 

38

39 

40 

40 

40 

41

41 

38 

38

40

mln

37 

37 

36 

36 

36

37 

38 

38 

39 

38

38 

38 

40 

40 

40 

40 

41 

39 

38 

38

38 

38 

38 

38 

39

38 

38 

37

38

March

max

38 

41 

42 

42 

40

41 

43 

44 

44 

44

46 

46 

44 

42 

42 

43 

44 

45 

45 

44

44 

45 

46 

47 

47

47 

46 

46 

45 

44 

46

44

mln

37 

38 

39 

39 

38

38 

39 

40 

42 

43

43 

44 

42 

40 

40 

39 

40 

41 

41 

41

40 

41 

42 

43 

45

45 

46 

44 

44 

42 

44

41

April

max

47 

46 

45 

44 

46

48 

49 

49 

49 

48

48 

48 

49 

48 

48 

47 

47 

46 

45 

40

41 

45 

47 

47 

47

44 

44 

44 

44 

46

46

min

4

4

4

4

4

4

4

4

4

4

4

4

4

4

4

4

4

4

4

4

4

4

4

4

4

3

4

4

4

4

4
KLAMATH RIVER BASIN Continued

TRINITY RIVER NEAR HOOPA, CALIF.

LOCATION (revised).--At gaging station in Hoopa Indian Reservation, 0.7 mile downstream from Ca

DRAINAGE AREA.--2,846 square miles (revised).

RECORDS AVAILABLE. Chemical analyses: October 1953 to September 1955.

REMARKS. Values reported for dissolved solids are sums of determined constituents. Records of 

given in WSP 1395.

Chemical analyses, in parts per million, water year October 19

Date of collection

Oct. 5, 1954....

Jan. 5, 1955 . .. 

Feb. 8 .........

Apr. 5 ........

July 12 ........

Sept. 13........

Mean 

discharge 

(cfs)

577 

3,960 

13,200 

5,650 

4,150 

4,280

4,220 

11,100 

4,720 

1,170 

609 

328

Silica 

(Si02)

14

21 

17

Iron 

(Fe)

0.10 

.00

.02

Calcium 

(Ca)

24 

15 

13 

18 

20 

17

15 

7.0 

24 

18 

21 

26

Magnesium 

(Mg)

9.3 

7.2 

6.2 

6.6 

8.3 

7.7

6.9 

8.3 

3.7 

7.8 

8.7 

9.1

Sodium 

(Na)

4.9 

4.1 

2.9 

2.8 

3 9 

3.5

3.2 

2.5 

7.9 

4.1 

4.8 

5.7

Potassium 

(K)

0.9 

.7 

.9 

.5 

.4 

.5

.5 

.5 

.9 

.5 

.8 

.6

Bicarbonate 

(HCOS)

114 

75 

64 

83 

96 

90

81 

64 

97 

91 

108 

117

Sulfate 

(SO.)

3.5 

10

Chloride 

(Cl)

7.0 

5.5 

2.2 

4.2 

3.5 

3.5

3.2 

.4 

5.2 

5.0 

6.0 

9.4

Fluoride 

(F)

0.2 

.1

Nitrate 

(N03 )

0.3 

.1

Boron 

(B)

0.00 

.09 

.02 

.09 

.00 

.02

.04 

.04 

.07 

.02 

.04 

.0
KLAMATH RIVER BASIN--Continued

KLAMATH RIVER NEAR KLAMATH, CALIF.

LOCATION. At gaging station, 2.8 miles upstream from Turwar Creek and 3.3 miles east of Klamath

DRAINAGE AREA. 12,100 square miles, approximately.

RECORDS AVAILABLE.--Chemical analyses: October 1953 to September 1955.

REMARKS. Values reported for dissolved solids are sums of determined constituents. Records of d

in WSP 1395.

Chemical analyses, in parts per million, water year October 195

Date of collection

Oct. 6, 1954 ....

Jan. 5, 1955.... .

Aug. 2.......... 

Sept. 15. ........

Mean 

discharge 

(cfs)

4,550 

6,950 

19,100 

18,100 

12,800 

13,000

12,700 

25,200 

13,400 

4,130 

3,060 

3,170

Silica 

(S102)

26

5.7 

21

Iron 

(Fe)

0.20 

.00

.00

Calcium 

(Ca)

17 

16 

13 

13 

16 

12

13 

12 

13 

16 

15 

17

Magnesium 

(Mg)

8.2 

6.1 

6.1 

5.5 

7.6 

7.9

6.2 

5.1 

2.5 

6.3 

7.2 

7.4

Sodium 

(Na)

13 

8.3 

3.8 

3.4 

5.4 

5.2

3.9 

3.2 

2.9 

5.6 

6.9 

8.8

Potassium 

(K)

1.9 

1.4 

.8 

. 5 

.8 

.8

.8 

.7 

.6 

.9 

1.2 

1.5

Bicarbonate 

(HCO,)

103 

87 

69 

67 

82 

78

70 

59 

51 

83 

91 

94

Sulfate 

(S04 )

4.8

11

Chloride 

(Cl)

5.0 

5.5 

2.5 

4.2 

3.5 

3.4

3.0 

1.8 

1.8 

4.0

5.0

Fluoride 

(F)

0.1

.3

Nitrate 

(NO,)

0.2

.7

Boron 

(B)

0.04 

.06 

.03 

.15 

.02 

.04

.05 

.54 

.00 

.06

.09
SMITH RIVER BASIN

SMITH RIVER NEAR CRESCENT CITY, CALIF.

LOCATION. At gaging station 0.5 mile downstream from South Fork and 8 miles east of Crescent City, 

DRAINAGE AREA. 613 square miles.

RECORDS AVAILABLE.--Chemical analyses: October 1953 to September 1955.

REMARKS. Values reported for dissolved solids are sums of determined constituents. Records of dis

in WSP 1395.

Chemical analyses, in parts per million, water year October 1954 t

Date of collection

Oct. 7, 1954....

Jan. 6, 1955 ...

Sept. 15 .......

Mean 

discharge 

(cfs)

5 430 

1,390 

5,370 

5,000 

4,190 

5,290

3,480 

1,360 

464 

353 

380

Silica 

(810.)

27 

14

Iron 

(Fe)

0.04 

.00

.02

Calcium 

(Ca)

8.1 

7.3 

5.1 

5.3 

5.3 

3.1

2. 6

6.8 

6.8

8.1

Magnesium 

(Mg)

11 

9.7 

8.3 

7.1 

8.2 

8.0

7.3

10 

11 

10

Sodium 

(Na)

2.5 

2.2 

1.6 

1.6 

1.8 

1.9

1.7 

2.0 

2.5 

2.4 

2.7

Potassium 

(K)

0.4 

.2 

.2 

.2 

.1 

.5

.3 

.2 

.3 

.4 

.4

Bicarbonate 

(HC03)

76 

69 

56 

51 

55 

51

48 

51 

71 

78 

76

Sulfate 

(SO,)

1.5 

2.6

Chloride 

(Cl)

3.2 

3.0 

1.8 

2.5 

2.8 

2.3

.4 

2.2 

2.5 

3.0 

2.9

Fluoride 

(F)

0.1 

.1

Nitrate 

(NO,)

0.0 

.1

Boron 

(B)

0.04 

.06 

.00 

.06 

.00 

.00

.01 

.00 

.00 

.00 

.03
PART 12. PACIFIC SLOPE BASINS IN WASHINGTON AND UPPER 

PACIFIC SLOPE BASINS NORTH OF COLUMBIA R

WILLAPA RIVER BASIN 

WILLAPA RIVER AT LEBAM, WASH.

LOCATION. Temperature recorder at gaging station, half a mile west of Lebam, Pacific County, 

DRAINAGE AREA. 41.4 square miles.

RECORDS AVAILABLE. Water temperatures: March 1952 to September 1955.

EXTREMES, 1954-55.--Water temperatures: Maximum, 65°F June 9, 10; minimum, 42°F Jan. 6-12, 1

EXTREMES, 1952-55. Water temperatures: Maximum, 67°F July 9-11, 14, 15, Aug. 4, 5, 1952; min

REMARKS. Records of discharge for water year October 1954 to September 1955 given in WSP 1396

Temperature (°F) of water, water year October 1954 to Sep

Day

1...................

2. ..................

3...................

4. ..................

5...................

6...................

7............ .......

8...................

9...................

10. ..................

11...................

12...................

13...................

14. ..................

15...................

16...................

17...................

18...................

19...................

20. ..................

21...................

22...................

23...................

24. ..................

25...................

26...................

27. ..................

28...................

29. ..................

30. ..................

31...................

October

max

50 

50 

50 

50 

50

51 

53 

53 

52 

52

52 

51 

50 

51 

51

52 

52 

52 

52 

52

51 

49 

49 

47 

46

45 

45 

46 

47 

47 

48

50

min

49 

48 

49 

50 

50

50 

51 

52 

51 

51

51 

50 

47 

48 

50

51 

52 

51 

52 

50

49 

48 

46 

45 

44

43 

44 

44 

46 

45 

47

49

November

max

48 

48 

49 

49 

50

50 

51 

50 

50 

50

50 

49 

49 

50 

50

50 

50 

50 

50 

50

50 

50 

50 

50 

49

49 

49 

49 

47 

47

49

min

46 

47 

48 

49 

49

50 

50 

50 

48 

49

49 

49 

49 

49 

50

50 

50 

50 

50 

50

50 

50 

50 

48 

48

49 

49 

47 

47 

46

49

December

max

46 

45 

45 

45 

46

46 

46 

46 

46 

46

46 

46 

46 

46 

46

46 

46 

45 

45 

45

46 

45 

45 

45 

45

45 

44 

44 

44 

45 

45

45

min

45 

45 

45 

45 

45

46 

46 

46 

46 

46

46 

46 

46 

46 

46 

46 

45 

45 

45 

45

45 

45 

45 

45 

45

44 

44 

44 

44 

44 

45

45

January

max

45 

45 

44 

44 

43

43 

42 

42 

42 

42

42 

43 

43 

43 

43

43 

42 

42 

42 

42

43 

44 

44 

44 

44

44 

43 

43 

43 

43 

44

43

min

45 

44 

44 

43 

43

42 

42 

42 

42 

42

42 

42 

43 

43 

43

42 

42 

42 

42 

42

42 

42

44 

44 

44

43 

43 

42 

42 

43 

43

43

February

max

45 

44 

44 

44 

44

44 

45 

45 

45 

44

43 

44 

45 

45 

45 

46 

45 

44 

43 

42

42 

43 

44 

44 

44

44 

44 

43

44

min

44 

44 

43 

44 

44

44 

44 

45 

43 

43

43 

43 

44 

45 

45

45 

44 

43 

42 

42

42 

42 

43 

44 

44

44 

43 

42

44

March

max

43 

43 

43 

43 

43

43 

43 

43 

43 

43

43 

43 

43 

43 

43

43 

44 

44 

44 

44

44 

44 

44 

44 

44

45 

46 

46 

46 

46 

46

44

min

43 

43 

43 

43 

42

42 

42 

43 

43 

43

43 

42 

42 

43 

43

43 

43 

44 

44 

43

43 

44 

44 

44 

44

44 

45 

46 

46 

45 

45

43

April

max

46 

46 

46 

47 

47

48 

48 

48 

48 

48

47 

47 

46 

47 

46

47 

47 

47 

46 

47

47 

48 

48 

47 

47

47 

46 

48 

49 

51

47

min

4

4

4

4

4

4

4

4

4

4

4

4

4

4

4

4

4

4

4

4

4

4

4

4

4

4

4

4

4

4

4
CHEHALIS RIVER BASIN

CHEHALIS RIVER NEAR GRAND MOUND, WAS

LOCATION. Temperature recorder at gaging station, highway bridge at Meadows, lj miles southw

from Skookumchuck River. 

DRAINAGE AREA. 895 square miles.

RECORDS AVAILABLE. Water temperatures: March 1952 to September 1955 (fragmentary).

EXTREMES, November 1954 to September 1955. Water temperatures: Maximum, 68°F July 17, 18, A

EXTREMES, 1952-55. Water temperatures: Maximum, 74°F July 11, 1953; minimum, 36°F Feb. 28 t

REMARKS. Records of discharge for water year October 1954 to September 1955 given in WSP 139

Temperature (°F) of water, November 1954 to Septe

Day

1.. .................

3...................

4...................

5. ..................

6...................

7...................

8. ..................

9. ..................

10. ..................

11...................

12...................

13. ..................

14...................

15...................

16. ..................

17...................

18...................

19...................

20. ..................

21. ..................

22...................

23...................

24...................

25. ..................

26...................

27...................

28. ..................

29...................

30. ..................

31...................

Average .......

October

max min

November

max

49

50 

50 

50 

50 

50

50 

49 

49 

49 

49

49 

49 

49 

49 

49

49 

49 

49 

49 

48

48 

47 

46 

45 

44

49

min

49

49 

50 

50 

50 

50

49 

49 

49 

49 

49

49 

48 

48 

48 

49

49 

49 

49 

48 

48

47 

46 

45 

44 

42

48

December

max

42 

41 

39 

40 

41

43 

43 

43 

43 

43

43 

42 

42 

42 

43

43 

41 

40 

40 

39

40 

41 

42 

43 

42

41 

41 

40 

41 

43 

44

42

min

41 

39 

39 

39 

40

41 

43 

43 

43 

43

42 

41 

41 

41 

42

41 

40 

40 

39 

39

39 

40 

41 

42 

40

40 

40 

40 

40 

41 

43

41

January

max

44 

44 

43 

42 

41

41 

41 

41 

41 

41

41 

41 

42 

42 

42

41 

41 

41 

41 

41

41 

42 

43 

44 

44

44 

43 

43 

43 

42 

43

42

min

44 

43 

42 

41 

41

41 

41 

41 

41 

41

41 

41 

41 

42 

41

41 

41 

41 

41 

41

41 

41 

42 

43

44

43 

43 

43 

42 

42 

42

42

February

max

43 

43 

42 

42 

42

42 

42 

43 

43 

41

40 

40 

41 

42 

42

42 

41 

39 

39 

38

37 

38 

39 

38 

38

38 

38 

37

40

min

43 

42 

42 

42 

42

41 

41 

42 

41 

40

40 

40 

40 

41 

41

41 

39 

39 

38 

37

37 

37 

38 

38 

38

38 

37 

36

40

March

max

36 

36 

37 

38 

38

38 

39 

40 

41 

41

41 

41 

41 

41 

41

41 

42 

43 

44 

43

43 

43 

43 

43 

43

44 

46 

45 

47 

46 

45

42

min

36 

36 

36 

37 

37

37 

38 

39 

40 

41

40 

40 

41 

41 

41

41 

41 

41 

43 

43

43 

43 

43 

43 

43

43 

44 

46 

46 

45 

45

41

April

max

45 

45 

44 

45 

46

47 

48 

48 

48 

48

47 

47 

46 

46 

46

45 

46 

46 

46 

46

47 

47 

47 

47 

47

46 

46 

46 

48 

50

47

mi
SKOKOMISH RIVER BASIN

SOUTH FORK SKOKOMISH RIVER NEAR POTLATCH

LOCATION.--Temperature recorder at gaging station at head of canyon, 1 mile upstream from Rock 

7£ miles west of Potlatch, Mason County. 

DRAINAGE AREA.--65.6 square miles.

RECORDS AVAILABLE.--Water temperatures: May to September 1955.

EXTREMES, May to September 1955. Water temperatures: Maximum, 58°F July 21, 23, Aug. 6, 10, 

REMARKS.--Records of discharge for water year October 1954 to September 1955 given in WSP 1396

Temperature (°F) of water, May to September 19

Day

1...................

2. ..................

3...................

4. ..................

5. ..................

6. ..................

7. ..................

8. ..................

9. ..................

10. ..................

11...................

12...................

13. ..................

14...................

15. ..................

16. ..................

17. ..................

18. ..................

19...................

20. ..................

21...................

22. ..................

23...................

24...................

25. ..................

26. ..................

27. ..................

28...................

29. ..................

30. ..................

31. ..................

Average .......

October

max min

November

max min

December

max min

January

max min

February

max min

March

max min

April

max min
334 PACIFIC SLOPE BASINS IN WASHINGTON AND UPPER COLUMBIA RIVER BASIN

OOQ H OQ

t,*v

&

3

>>

t-a

g

*

1s

'i.

<

l

>,

3

.Q

S

1

1 

fi01

Q

t«

i 

6

3

1

S

5

ed Q

h

S

6

c

S

c

6

2 

6

c

H

2

E

5

6

2

c

E

2 

6

.5 

E

3 

6

c 

E

3

E

3

c 

E

3

E

S

13

c 

E

13

^ N « N « -00,0,0 0-O.COCO 0,0,000, 0,=00,0,0, 000,0,0 ,

OOC- ttlCOCOCOCO CO COCO CO COOO

«««in« u,«««in «««,«« ««««m ujmwinw « u, u, m « «

! i ! 15 S5S5S SSSSS 5SSSS SS^SS SS3SS8

SS9S9 SSSSS SSS5S 93SSS 89339 S5 : ! ! !

SSSS S SSSSS S3SSS 3SS3S SS5S? S33353

. i , , ,i,,, , , , , , . i < . . ,,,,, co-n.nco.ni

: : : : : : : : : : :, ::: : : : : : : : : : : sssas :

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<
SKOKOMISH RIVER BASIN--Continued

SKOKOMISH RIVER NEAR POTLATCH, WASH.

LOCATION. Temperature recorder at gaging station, half a mile upstream from U. S. Highway 101

South Forks, 4.7 miles southwest of Potlatch, Mason County, and 5.5 miles upstream from mou

DRAINAGE AREA. 230 square miles.

RECORDS AVAILABLE.--Water temperatures: May to September 1955.

EXTREMES, May to September 1955. Water temperatures: Maximum, 61°F Aug. 6; minimum, 43°F May 

REMARKS. Records of discharge for water year October 1954 to September 1955 given in WSP 1396

Temperature (°F) of water, May to September 195

Day

1...................

2. ..................

3...................

4. ..................

5. ..................

6...................

7. ..................

8. ..................

9. ..................

10. ..................

11...................

12...................

13. ..................

14...................

15...................

16...................

17...................

18...................

19...................

20...................

21...................

22...................

23...................

24. ..................

25...................

26...................

27...................

28...................

29...................

30...................

31...................

Average .......

October

max min

November

max min

December

max min

January

max min

February

max min

March

max min

April

max min
336 PACIFIC SLOPE BASINS IN WASHINGTON AND UPPER COLUMBIA RIVER BASIN

.1-1 Tl< I (DO

M

JS 

s

4

to

-s

x

|

.

""*

S? S

-

3

I

s

>, i

A

V 

*4

&«

1

S 

fi

<L>

Q

1

5

1

§

S

Q

1

i

s

M

S

s

5

S

9

s

s

s

a

c

a

9 

a

3 

S

9

S

I

3

s

a

3 

a

a

3 

a

a

9 

a

a

a

9 

a

ininminin minminin inminmua inmmmiA ^ ^m-^^ ^m-^'-q'-q* i

.».». ..«,.. ».»«,» ..»«>. »».». «,o«^^ ,

1010101010 loiomiom m 10 10 m m m m in 10 m m 10 m m 10 m 10 10 10 m 10

».... .».. »..»» »»»»» «,»... »..»».

lonnnu) ««««« nnnnio » 10 u> 10 u> ««««« ,0 « « ,0 ,0 ,0

??ggg ggsss ssggg ?gggg sssss sssss i

3 O O -( rt .-( CM CM CO CO CM ea «-( O O O O i-t i-« rt CM N CM i-t i-t ^f^rHi-Ht-t 1

I I I I 1 1(111 1 1 OJ OJ 0 OJOO-HOJ 010JOOJO 010JOJOOJOJ

" i i r i i r i i i i iO!O*-i O«-Hi-ii-i.-( OOOOO OOOOOO i i i i i r i i i i i i ^ 10 10 mmmmin in in m m m in in m IA in m

t-( N CO ^ m «D t- CO O5 O «-( N CO ^* irt «D t- CO O5 O ^H M CO ^ irt «D t- CO O5 O ^H

in

10

m

«

O

O

(

!

<u

? 

1
NISQUALLY RIVER BASIN 

NISQUALLY RIVER NEAR NATIONAL, WASH.

LOCATION.--Temperature recorder at gaging station, 100 feet downstream from railroad bridge, 1 

of Ashford and 3 miles upstream from Mineral Creek. 

DRAINAGE AREA.--133 square miles.

RECORDS AVAILABLE. Water temperatures: October 1951 to September 1955.

EXTREMES, 1954-55. Water temperatures: Maximum, 57°F July 13, minimum, freezing point Feb. 2

EXTREMES, 1951-55. Water temperatures: Maximum, 61°F July 9, 1952; minimum, freezing point o

REMARKS. Records of discharge for water year October 1954 to September 1955 given in WSP 1396

Temperature (°F) of water, water year October 1954 to Sep

Day

2...................

4...................

5. ..................

6...................

7...................

8. ..................

9. ..................

10...................

11...................

14...................

15...................

16...................

17...................

18. ..................

19...................

20. ..................

21...................

22...................

23. ..................

24. ..................

25...................

26. ..................

27. ..................

28...................

29...................

30. ..................

31...................

October

max

47 

45 

48 

47 

47

48 

48 

48 

49 

49

47 

46 

44 

47 

49

49 

49 

47 

47 

44

44 

43 

43 

42 

42

42 

43 

43 

43 

44 

45

46

mln

41 

41 

44 

44 

45

46 

47 

47 

45 

47

44 

43 

40 

43 

45

46 

46 

44 

44 

43

43 

42 

42 

39 

40

38 

39 

40 

40 

41 

41

43

November

max

45 

44 

45 

45 

46

46 

44 

44 

44 

44

44 

44 

43 

44 

44

44 

42 

42 

43 

43

43 

45 

44 

43 

43

43 

41 

40 

40 

38

43

mln

43 

42 

43 

41 

45

44 

44 

43 

43 

43

43 

43 

42 

43 

43

42 

42 

42 

42 

43

43 

43 

41 

42 

43

41 

40 

39 

38 

36

42

December

max

38 

38 

41 

41 

42

42 

40 

40 

40 

41 

39 

40 

40 

41 

41

38 

39 

39 

40 

42

42 

42 

41 

41 

38

37 

37 

38 

38 

38 

39

40

min

37 

38 

38 

41 

41

40 

40 

40 

40 

39 

38 

39 

39 

40 

38

37 

38 

38 

38 

40

41 

41 

41 

38 

37

37 

36 

37 

36 

37 

38

39

January

max

39 

39 

39 

38 

39

39 

39 

39 

39 

39

39 

39 

39 

39 

38

38 

38 

38 

36 

37

38 

39 

39

39

40

39 

38 

37 

39 

39 

39

39

min

39 

39 

37 

37 

37

38 

38 

38 

38 

39

39 

39 

37 

37 

38

37 

37 

37 

35 

36

37 

38 

39 

38 

39

37 

36 

36 

37 

38 

38

38

February

max

38 

38 

37 

37 

37

37 

37 

37 

37 

37

38 

39 

40 

40 

39

38 

37 

35 

36 

37

38 

39 

38 

38 

37

38 

37 

36

38

min

37 

37 

36 

37 

36

37 

37 

37 

37 

35 

36 

37 

38 

38 

37

35 

35 

32 

32 

33

34 

37 

37 

36 

36

35 

35 

32

36

March

max

33 

36 

34 

34 

33

37 

40 

39 

39 

38 

36 

36 

37 

39 

40

40 

42 

41 

41 

40

38 

39 

39 

42 

40

44 

45 

43 

42 

40 

41

39

min

32 

33 

32 

32 

32

32 

32 

36 

37 

34

33 

33 

33 

34 

34

35 

34 

38 

37 

34

37 

38 

36 

37 

36

37 

40 

40 

39 

39 

39

35

April

max

42 

41 

42 

45 

47

49 

47 

43 

42 

44 

44 

42 

43 

44 

42

45 

47 

43 

44 

44

44 

45 

43 

46 

46

44 

43 

48 

47 

50

44

min

39 

39 

39 

38 

38

39 

39 

41 

40 

41

40 

41 

40 

40 

40

40 

40 

41 

41 

41

42 

40 

41 

40 

40

39 

39 

40 

42 

41

40
NISQUALLY RIVER BASIN Continued 

MINERAL CREEK NEAR MINERAL, WASH.

LOCATION. Temperature recorder at gaging station, three-eighths of a mile downstream from rai

northeast of Mineral, Lewis County. 

DRAINAGE AREA. 74.3 square miles.

RECORDS AVAILABLE.--Water temperatures: August 1951 to September 1955.

EXTREMES, 1954-55.--Water temperatures: Maximum, 69°F Aug. 6, 7; minimum, 36°F Feb. 28, Mar. 

EXTREMES, 1951-55. Water temperatures: Maximum, 70°F July 14, Aug. 3, 4, 9-13, 1952; minimum

REMARKS. Records of discharge for water year October 1954 to September 1955 given in WSP 1396

Temperature (°F) of water, water year October 1954 to Se

Day

3...................

4...................

5. ..................

6...................

7...................

8...................

9. ..................

10...................

11...................

12...................

13. ..................

14...................

15...................

16...................

17. ..................

18...................

20. ..................

22. ..................

23. ..................

24. ..................

25. ..................

26...................

27. ..................

28...................

29. ..................

30...................

31...................

Average .......

October

max

53 

52 

52 

53 

53

53 

53 

53 

53 

53

53 

51 

50 

49 

50

51 

51 

51 

51 

50

49 

49 

48 

47 

46

46 

45 

45 

45 

45 

46

50

min

50 

50 

51 

52 

53

53 

53 

53 

52 

52

51 

49 

47 

47 

48

50 

50 

50 

50 

49

49 

48 

47 

45 

45

44 

44 

44 

45 

45 

45

49

November

max

46 

46 

46 

46

48

48 

47 

47 

48 

48

48 

48 

48 

47 

47

47 

47 

47 

47 

47

47

47 

47 

46 

47

46 

45 

44 

43 

42

47

min

44 

45 

45 

45 

46

47 

47 

47 

47 

47

47 

48 

47 

47 

47

47 

47 

47 

47 

47

46 

47 

45 

45 

46 

45 

44 

43 

42 

41

46

December

max

41 

41 

42 

43 

44

44 

43 

42 

42 

42

41 

41 

42 

43 

43

41 

41 

41 

42 

43

43 

43 

42 

42

39

39 

39 

40 

40 

41 

41

42

min

40 

40 

40 

42 

43

42 

42 

42 

42 

41

40 

41 

41 

42 

41

40 

40 

40 

40 

42

42 

42 

42 

39 

39

39 

38 

39 

39 

40 

41

41

January

max

41 

41 

40 

39 

40

40 

40 

40 

40 

40

40 

41 

41 

40 

39

39 

39 

39 

39 

39

39 

41 

41 

40 

41

40 

40 

40 

41 

41 

41

40

min

41 

40 

39 

39 

39

39 

40 

40 

39 

39

39 

40 

39 

39 

39

39 

39 

38 

37 

38

38 

39 

40 

39 

40

39 

38 

38 

39 

40 

40

39

February

max

41 

40 

40 

40 

41

40 

41 

41 

40 

40

40 

41 

41 

41 

41

40 

39 

39 

38 

40

40 

41 

41 

41 

40 

40 

40 

40

40

min

40 

39 

39 

40 

39

40 

40 

40 

40 

39

39 

40 

41 

41 

40

39 

38 

37 

37 

38

38 

40 

40 

40 

39

39 

39 

36

39

March

max

37 

39 

38 

39 

38

39 

41 

40 

42 

41

39 

39 

39 

41 

41

41 

41 

41 

40 

40

39 

40 

39 

41 

41

42 

43 

42 

42 

41 

41

40

min

37 

37 

37 

36 

36

36 

37 

38 

39 

38

38 

38 

37 

39 

38

39 

37 

39 

38 

37

38 

38 

38 

39 

39

39 

40 

41 

41 

41 

41

38

April

max

41 

41 

41 

43 

45

46 

45 

45 

44 

44

43 

43 

43 

43 

43

44 

45 

43 

43 

43

44 

44 

44 

44 

45 

44 

44 

46 

46 

47

44

min

41 

41 

41 

41 

40

41 

41 

44 

44 

43

42 

43 

42 

42 

42

42 

42 

42 

42 

42

43 

42 

42 

42 

42

41 

42 

42 

44 

42

42
DUWAMISH RIVER BASIN 

GREEN RIVER NEAR PALMER, WASH.

LOCATION. At city of Tacoma Green River Pipe Line bridge about half a mile below the headworks dam 

downstream from North Fork and 4 miles southeast of Palmer, King County. 

DRAINAGE AREA. 230 square miles at gaging station. 

RECORDS AVAILABLE. Water temperatures: August 1950 to September 1955.

Sediment records: August 1950 to September 1955. 

EXTREMES, 1954-55. Water temperatures: Maximum, 53°F Sept. 7; minimum, 33°F Mar. 5.

Sediment concentrations: Maximum daily, 607 ppm Feb. 8; minimum daily, 0.3 ppm Oct. 1-10.

Sediment loads: Maximum daily, 19,700 tons Feb. 8; minimum daily, 0.2 ton Oct. 1-10. 

EXTREMES, 1950-55. Water temperatures: Maximum, 61°F Sept. 6, 1950; minimum, freezing point on se

Sediment concentrations: Maximum daily, 1,350 ppm Dec. 9, 1953; minimum daily, 0.3 ppm Oct. 1-10

Sediment loads: Maximum daily, 49,000 tons Dec. 9, 1953; minimum daily, 0.2-ton Oct. 1 to Nov. 3

REMARKS. Records of discharge for water year October 1954 to September 1955 given in WSP 1396.

Chemical analyses, in parts per million, February to Septe

Date of collection

Mean 

discharge 

(cfs)

10,900 

243

Silica 

(S102)

11 

12

Iron 

(Fe)

0.01 

.00

Calcium 

(Ca)

3.4 

5.2

Magnesium

(MB)

0.3 

.7

Sodium 

(Na)

2.2 

3.1

Potassium 

(K)

0.3 

.4

Bicarbonate 

(HCOa )

13 

24

Sulfate 

(SO,)

2.1 

2.2

Chloride 

(Cl)

1.0 

1.5

Fluoride 

(F)

0.1 

.1

Nitrate 

(NOS )

0.9 

.2

Boron 

(B)

0.09 

.02
340 PACIFIC SLOPE BASINS IN WASHINGTON AND UPPER COLUMBIA RIVER BASIN

DUWAMISH RIVER BASIN--Continued 

GREEN RIVER NEAR PALMER, WASH.--Continued

Temperature (°F) of water, water year October 1954 to September 1955 

,/Once-daily measurement at approximately 8:30

Day

1

2

3

4

5

6

7

8

9

10

11

12

13

14

15

16

17

18

19

20

21

22

23

24

25

26

27

28

29

30

31

Average

Oct.

46

45

46

47

46

46

46

46

45

48

46

48

46

45

48

46

46

46

46

46

46

46

45

44

43

42

41

41

39

43

40

45

Nov.

40

43

42

43

43

43

44

42

43

43

43

45

42

42

43

43

43

44

45

46

43

46

42

42

42

42

42

42

38

39

--

43

Dec.

38

38

38

38

39

39

36

42

39

40

39

40

38

37

39

38

37

37

37

38

40

40

40

39

38

38

37

37

38

37

38

38

Jan.

38

37

37

36

36

37

36

37

36

36

37

38

38

38

38

37

37

37

36

37

37

38

40

40

38

38

38

37

37

38

38

37

Feb.

38

38

37

37

37

37

38

39

38

37

37

37

37

36

37

36

36

36

35

36

37

37

37

38

38

38

37

38

37

Mar.

35

35

35

34

33

34

35

36

36

37

37

37

36

36

36

37

36

37

36

36

37

38

38

36

35

35

37

38

39

34

38

36

Apr.

38

38

38

37

38

40

40

40

40

41

40

38

38

38

37

38

37

38

38

40

38

40

40

39

38

37

38

38

40

40

39

May

40

41

41

41

40

42

42

42

41

42

41

42

40

40

41

40

40

42

43

41

42

42

42

42

44

42

42

42

42

41

42

41

June

42

41

41

41

42

42

42

43

44

42

43

42

42

42

42

43

43

43

43

44

46

42

44

49

44

44

44

44

44

44

--

43

July

44

44

44

44

44

44

45

45

45

45

45

45

46

46

46

46

46

46

46

46

48

46

46

46

46

47

46

45

45

46

47

45

Aug.

47

48

48

48

48

50

50

50

50

50

50

51

51

51

50

50

50

50

50

50

51

52

52

50

50

50

50

50

51

51

51

50

Sept.

51

52

52

52

52

52

53

52

52

52

52

51

51

50

50

50

49

49

49

50

48

48

48

47

47

47

48

48

48

47

50
DUWAMISH RIVER BASIN 341

DUWAMISH RIVER BASIN Continued

GREEN RIVER NEAR PALMER, WASH.--Continued

Suspended sediment, water year October 1954 to September 1955

Day

1. .....

2. ..... 

3. ..... 

4. ..... 

5. .....

6. .....

7. .....

8. ..... 

9. .....

11......

15. .....

17. .....

18. ..... 

19. .....

21......

22......

24. .....

25. .....

27. .....

29

30. .....

31......

Total.

1...... 

2...... 

3...... 

4...... 

5......

8...... 

9. ..... 

10. .....

11......

13. ..... 

14. ..... 

15. .....

16. .....

18. .....

20. ..... 

21. .....

23. ..... 

24...... 

25......

26. ..... 

27. ..... 

28. ..... 

29. ..... 

30. ..... 

31. ..... 

Total.

October

Mean 

discharge 

(cfs)

226 

221 

226 

217 

209

201 

197 

197 

197 

205

322 

393 

349 

314 

288

271 

271 

263 

292 

490

750 

635 

590 

527 

480

438 

406 

375 

357 

340 

322

10,569

Suspended sediment

Mean 

concentration 

(ppm)

. 0.3

3.1

10 

1.7

--

Tons 

per 

day

0.2

2.6

16 

1.8

118.0

January

3,270 

2,240 

1,680 

1,360 

1,170

1,020 

910 

840 

780 

725

680 

655 

660 

630 

605

581 

561 

542 

518 

523

499 

532 

1,430 

2,180 

2,100

1,690 

1,390 

1,210 

1,080 

982 

1,040

34,083

27 

9 

4 

2 

2

1.9 

3.2

 2.4

2.4 

2.3 

12 

9 2

3.9

»

j 3.0

-

a 238 

a 54 

al8 

a7.3 

a6.3

4.4 

5.6

3.5

a3.2 

a3.3 

sa53 

a 54

16 

8.2

603.0

November

discharge 

(cfs)

310 

297 

288 

280 

322

375 

322 

301 

310 

301

284 

327 

371 

471 

480

655 

895 

1,980 

2,670 

2,020

1,470 

1,170 

971 

825 

1,160

1,950 

2,620 

1,970 

1,510 

1,230

28,135

Suspended sediment

Mean 

concentration 

(ppm)

 1.9 

4.3

Tons 

per 

day

1.6

5.0

a 19 

sa250 

sa220 

a 27

a!6 

a9.5 

a5.2 

a4.5 

a 22

a 53 

allO 

a27 

a!6 

alO

835.2

February

1,080 

932 

885 

865 

850

1,120 

5,950 

10,900 

4,410 

2,730

2,080 

1,690 

1,430 

1,260 

1,160

1,060 

988 

888 

838 

793

762 

749 

714 

723 

688

644 

613 

613

47,465

 2.2

387 

607 

100 

22

8.5

}"

 2.4

3.5 

2.6

-

5.7

s8, 250 

s 19, 700 

1,190 

a 162

48 

9.9

6.4

7.1

4.5

29,497.4

December

discharge

(cfs)

1,030 

900 

810 

745 

685

690 

650 

595 

566 

542

508 

518 

542 

542 

625

551 

518 

494 

471 

457

499 

900 

890 

835 

760

680 

620 

605 

905 

2,390 

4,970

26. 493

Suspended sediment

Mean 

concentration 

(ppm)

0.9 

.7

1.1

-

Tons 

per 

day

1.8 

1.0

2.2

sa620 

sa2, 340

3.007.0

March

600 

579 

549 

506 

485

494 

485 

511 

532 

683

762 

701 

635 

592 

553

527 

511 

511 

506 

490

519 

1,600 

1,240 

983 

834

727 

674 

661 

829 

919 

1.160

21,358

2.5 

3.2

2.0 

3.3 

10

2.3

-

3.7 

4.7 

b5.6

2.8 

14 

24

5.5

242.8

s Computed by subdividing day.

a Computed on basis of turbidity-concentration relation, and composite of daily samples.

b Estimated on basis of turbidity-concentration relation and daily turbidity readings.
342 PACIFIC SLOPE BASINS IN WASHINGTON AND UPPER COLUMBIA RIVER BASIN

DUWAMISH RIVER BASIN Continued

GREEN RIVER NEAR PALMER, WASH.--Continued

Suspended sediment, water year October 1954 to September 1955--Continued

Day

1......

2. .....

3. .....

4. .....

5. .....

6. .....

8. .....

9. .....

10. .....

11......

12. .....

13......

15......

16......

17. .....

19. .....

22. .....

24. .....

25. ..... 

26......

27. .....

28. .....

30. .....

31......

Total.

2. ..... 

3...... 

4...... 

5......

8...... 

g

10......

1 ^

14. ..... 

15. .....

1 Q

19

20. .....

23. .....

25......

26. ..... 

27. ..... 

28. ..... 

29. ..... 

30. ..... 

31. ..... 

Total.

April

Mean 

discharge 

(cfs)

1,500 

1,330 

1,130 

1,000 

974

1,080 

* 1,390 

1,770 

3,040 

3,200

2,350 

1,940 

1,720 

1,510 

1,320

1,200 

1,110 

1,050 

992 

974

1,000 

1,130 

1,300 

1,210 

1,080

1,040 

932 

874 

856 

856

40, 858

Suspended sediment

Mean 

concentration 

(ppm)

2.3

} '

50 

30

6.9 

2.7

-

Tons 

per 

day

7.4

4.2

s450 

259

33 

7.8 

b9.3 

b4.9

1,033.6

July

2,450 

2,140 

1,740 

1,510 

1,360

1,290 

1,240 

1,180 

1,200 

1,200

1,160 

1,160 

1,240 

1,360 

1,320

1,220 

1,040 

910 

824 

767

718 

688 

666 

639 

604

617 

635 

609 

762 

865 

860

33, 974

4.5 

1.9 

2.0

3.0 

1.7

--

Total discharge for year (efsTotal load for year (tons)

22 

6.3 

6.7 

7.7 

3.0

b4.9

257.9

May

discharge 

(cfs)

946 

937 

955 

1,060 

1,300

1,540 

1,710 

2,010 

1,780 

1,820

2,440 

3,160 

2,600 

2,080 

1,830

1,720 

1,740 

2,180 

3,440 

3,600

2,860 

2,360 

2,050 

1,830 

1,860

1,980 

2,000 

1,860 

2,150 

2,860 

2,480

63, 138

Suspended sediment

Mean 

concentration 

(ppm)

2.0

3.7

11 

30

9.0

45 

34

14 

I 6.2

7.8

-

Tons 

per 

day

5.6

18

72 

256

49

418 

330

108 

34

47

2,014.0

August

824 

740 

670 

613 

574

540 

515 

490 

464 

439

418 

406 

393 

376 

359

347 

338 

326 

317 

313

305 

296 

292 

292 

288

284 

276 

268 

259 

255 

255

12, 532

2.4 

.7 

.8 

1.0 

.7

1.7

4.4 

.9 

.8 

.9 

.6

1.2

45.2

June

Mean 

discharge

(cfs)

2,050 

1,890 

2,130 

2,570 

2,860

2,800 

3,070 

3,840 

4,720 

4,890

4,560 

3,960 

3,240 

2,590 

2,130

1,790 

1,600 

1,590 

1,620 

1,720

2,190 

2,460 

2,320 

1,940 

1,620

1,500 

1,520 

1,580 

1,760 

1,870

74, 380

Suspended sediment

Mean 

concentration 

(ppm)

1.3

] 20

80 

140 

100

95

)"

3.7

1.6 

1.6

-

Tons 

per 

day

8.1

158

829 

1,780 

1,320

1,170 

88

17

9.1 

7.1

5,973.5

September

251 

243 

243 

239 

235

231 

235 

239 

231 

224

220 

216 

231 

268 

251

305 

288 

259 

239 

239

235 

228 

224 

220 

216

212 

239 

305 

326 

280

7,372

0.6 

.5 

.8 

.8 

.6 

2.7

0.4 

.3 

.5 

.6 

.4 

2.0

21.0

400, 357 

43,648.6

s Computed by subdividing day.

b Estimated on basis of turbidity-concentration relation, and daily turbidity readings.
DUWAMISH RIVER BASIN--Continued 

GREEN RIVER NEAR PALMER, WASH.--Contin

Particle-size analyses of suspended sediment, water year October 

(Methods of analysis: B, bottom withdrawal tube; D, decantation; P, pipe

W, in distilled water; C, chemically dispersed; M, mechanically dispe

Date 

of 

collection

Nov. 18, 1954....

Feb. 7, 1955.....

June 8 ..........

June 12 .........

Time

7:00 a.m. 

12:00 m. 

9:30 a.m. 

6:00 a.m. 

3:30 p.m.

8:30 a.m. 

9:00 a.m. 

3:00 p.m. 

2:00 p.m. 

12:00 p.m. 

6:00 a.m.

8:00 a.m. 

12:00 p.m. 

8:00 a.m.

Discharge 

"(cfs)

1,400 

2,800 

1,850 

5,200 

5,100

a 5, 950 

a 10, 900 

a 10, 900 

a 3, 040 

a 3, 040 

a 3, 200

a 3, 840 

a 4, 560 

a3.960

Water 

temperature 

(°F)

Suspende

Concentration 

of sample 

(ppm)

57 

32 

35 

172 

96

93 

784 

403 

12 

16 

10

41 

31 

22

Concentration 

of suspension 

analyzed 

(ppm)

266 

249 

253 

1,390 

781

430 

3,730 

2,390

Percent 

0.002

29 

41 

32 

14 

15

12 

10 

15

0.004

38 

45 

39 

19 

20

14 

14 

20

0.008

48 

50 

45 

26 

26

19 

21 

28

0.016

5

6

56 

35 

32

29 

28 

36

a Daily mean discharge.
DUWAMISH RIVER BASIN Continued 

GREEN RIVER NEAR AUBURN, WASH.

LOCATION. Temperature recorder at gaging station, Ij miles east of Auburn and 2 miles downstream 

DRAINAGE AREA. 382 square miles (excludes 4 square miles in the vicinity of Youngs Lake, flow from 

about 1935).

RECORDS AVAILABLE. Water temperatures: March 1952 to September 1955.

EXTREMES, 1954-55. Water temperatures: Maximum recorded, 65°F Aug. 7; minimum, 34°F Mar. 5. 

EXTREMES, 1952-55. Water temperatures: Maximum recorded, 65°F Aug. 7, 1955; minimum, 34°F Mar. 5

REMARKS. Records of discharge for water year October 1954 to September 1955 given in WSP 1396.

Chemical analyses, in parts per million, February to Augu

Date of collection

Feb 9, 1955 .....

Mean 

discharge 

(cfs)

6,690 

305

Silica 

(S102)

11 

15

Iron 

(Fe)

0.03 

.00

Calcium 

(Ca)

4.2 

9.1

Magnesium 

(Mg)

0.8 

2.2

Sodium 

(Na)

2.7 

4.8

Potassium 

(K)

0.6 

.4

Bicarbonate 

(HCOS )

18 

44

Sulfate 

(S04 )

3.0 

4.6

Chloride 

(Cl)

1.5 

2.2

Fluoride 

(F)

0.3 

.1

Nitrate 

(NO,)

1.3 

.6

Boron 

(B)

0.04 

.01
DUWAMISH RIVER BASIN--Continued 

GREEN RIVER NEAR AUBURN, WASH.--Con

Temperature (°F)of water, water year October 1954 to S

Day

2. ..................

3...................

4. ..................

5. ..................

6...................

7...................

8...................

9. ..................

10. ..................

11...................

13. ..................

14...................

15...................

16. ..................

18...................

19...................

20. ..................

22. ..................

23. ..................

24. ..................

25...................

26...................

27...................

29. ..................

30...................

31...................

Average .......

October

max

54 

54 

53 

53 

53

53 

55 

56 

56 

56

55 

54 

53 

53 

53

53 

54 

54 

52 

52

50 

50 

49 

48 

48

47 

47 

47 

46 

46 

46

52

min

51 

50 

51 

53 

52

52 

53 

55 

55 

55

54 

52 

49 

50 

51

51 

53 

52 

52 

50

50 

48 

48 

46 

47

45 

45 

45 

46 

46 

45

50

November

max

46 

48 

49 

49 

50

50 

49 

49 

49 

49

49 

50 

50 

48 

47

48 

48 

47 

47 

47

47 

48 

48 

47 

47

47 

47 

45 

44 

44

48

min

46 

47 

48 

48 

49

49 

48 

48 

48 

48

48 

49 

48 

47 

47

47 

47 

47 

47 

47

47 

47 

47 

46 

46

47 

45 

44 

44 

42

47

December

max

42 

39 

40 

42 

43

43 

43 

43 

43 

43

43 

42 

42 

43 

43

43 

41 

41 

41 

43

44 

44 

44 

44 

42

41 

40 

40 

40 

41 

41

42

min

39 

39 

39 

40 

42

43 

43 

43 

43 

43

42 

42 

42 

42 

43

41 

40 

40 

40 

41

43 

44 

44 

42 

41

40 

40 

40 

40 

40 

41

41

January

max

41 

41 

41 

40 

40

40 

40 

40 

40 

41

41 

42 

42 

42 

41

40 

39 

39 

39 

39

39 

41 

41 

41 

41

41 

41 

41 

41 

41 

42

41

min

41 

41 

40 

39 

39

40 

40 

40 

40 

40

41 

41 

42 

41 

40

39 

39 

39 

37 

38

39 

39 

41 

40 

40

41 

41 

41 

41 

41 

41

40

February

max

42 

42 

42 

41 

42

42 

42 

41 

40 

39

39 

40 

42 

42 

42 

42 

40 

39 

39 

40

41 

42 

42 

42 

41

40 

40 

40

41

min

42 

42 

40 

41 

41

42 

42 

40 

39 

38

38 

39 

40 

42 

42

40 

39 

38 

37 

37

39 

41 

41 

41 

40

40 

39 

39

40

March

max

39 

39 

38 

37 

37

40 

41 

41 

42 

42

41 

40 

40 

41 

42

42 

43 

43 

44 

42

42 

42 

41 

42 

41

43 

46 

46 

46 

45 

43

42

min

38 

37 

36 

35 

34

36 

38 

40 

41 

41

39 

40 

39 

40 

39 

41 

39 

42 

41 

39

42 

40 

40 

40 

40

39 

42 

44 

45 

43 

42

40

April

max

43 

44 

44 

46 

48

49 

48 

46 

46 

43

43 

43 

43 

44 

43

44 

45 

45 

46 

46

47 

47 

46 

46 

48

46 

46 

49 

48 

51

46

m
346 PACIFIC SLOPE BASINS IN WASHINGTON AND UPPER COLUMBIA RIVER BASIN

DUWAMISH RIVER BASIN--Continued

GREEN RIVER NEAR AUBURN, WASH. Continued

Periodic determinations of suspended-sediment discharge, water year October 1954 to September 1955

Date

Oct. 28, 1954 ............

Dec. 10 .................

Jan. 24, 1955 ............

Feb. 8 ..................

Mar. 15 .................

Apr. 20 .................

July 21 ..................

Aue. 31 .................

Discharge 

(ds)

465 

800 

2,550 

6,570 

902

1,500 

2,110 

846 

305

Suspended sediment

Mean 

concentration 

(ppm)

5 

7 

77 

1,210 

16

12 

23 

11 

19

Discharge 

(tons per day)

6.3 

15 

530 

21,500 

39

49 

131 

25 

16
LAKE WASHINGTON BASIN 

CEDAR RIVER NEAR LANDSBURG, WASH.

LOCATION. Temperature recorder at gaging station, 2 miles upstream from Landsburg and intake 

Valley, 5 miles downstream from Taylor Creek, and 12 miles downstream from Cedar Lake. 

DRAINAGE AREA. 125 square miles, excludes that of Rock Creek. 

RECORDS AVAILABLE. Water temperatures: August 1953 to September 1955. 

EXTREMES, 1954-55. Water temperatures: Maximum, 56°F July 17, minimum, 37°F Mar. 2-5. 

EXTREMES, 1953-55. Water temperatures: Maximum, 64°F Aug. 19, 1953; minimum, 37°F Mar. 2-5, 

REMARKS. Records of discharge for water year October 1954 to September 1955 given in WSP 1396

Temperature (°F) of water, water year October 1954 to Se

Day

4. ..................

5. ..................

6. ..................

7...................

8. ..................

9. ..................

10...................

11...................

12...................

13...................

14. ..................

15...................

16...................

17...................

18...................

19...................

20...................

21...................

22...................

23...................

24. ..................

25...................

26...................

27...................

28. ..................

29...................

30...................

31...................

October

max

--

--

45 

45 

45 

45 

45

mln

--

45 

45 

45 

45 

45

November

max

45 

45 

46 

46 

46

46 

46 

46 

46 

46

46 

46 

46 

46 

46

46 

47 

46 

46 

46

46 

46 

46 

46 

46

46 

46 

46 

46 

45

46

min

45 

45 

45 

46 

46

46 

46 

46 

46 

46

46 

46 

46 

46 

46

46 

46 

46 

46 

46

46 

46 

46 

46 

46

46 

46 

46 

45 

44

46

December

max

44 

43 

43 

44 

44

44 

44 

43 

43 

43

43 

43 

42 

42 

42

42 

42 

42 

42 

42

43 

43 

42 

42 

42

42 

42 

41 

41 

41 

41 

42

min

43 

43 

43 

43

44

44 

43 

43 

43 

43

43 

42 

42 

42 

42

42 

42 

42 

42 

42

42 

42 

42 

42 

42

42 

41 

41 

41 

41 

41 

42

January

max

41 

41 

41 

41 

41

41 

41 

41 

42 

41

41 

42 

41 

41 

41

41 

41 

41 

41 

41

41 

42 

42 

42 

42

41 

41 

41 

42 

42 

42 

41

min

41 

41 

41 

41 

41

41 

41 

41 

41 

41

41 

41 

41 

41 

40 

40 

41 

40 

40 

40

40 

41 

42 

41 

41

41 

41 

41 

41 

41 

41 

41

February

max

42 

41 

41 

41 

41

41 

41 

41 

42 

41

40 

42 

43 

43 

42

42 

42 

40 

42 

42

42 

43 

42 

42 

42

41 

38 

38

41

min

41 

41 

41 

41

41

41 

41 

41

41 

40

40 

40 

41 

42 

41

41 

40 

40 

40 

42

41 

41 

41 

42 

40

38 

38 

38

41

March

max

39 

39 

39 

37 

40

42 

42 

42 

42 

42

42 

41 

42 

42 

42 

42 

43 

43 

44 

44

44 

42 

43 

44 

42

45 

46 

46 

45 

43 

43 

42

min

38 

37 

37 

37 

37

38 

40 

40 

40 

40

40 

39 

39 

40 

40 

39 

39 

43 

43 

42

41 

41 

41 

41

40

40 

45 

44 

42 

42 

43 

40

April

max

43 

45 

45 

45 

45

45 

45 

45 

45 

44

44 

44 

44 

44 

44

44 

46 

45 

46 

45

45 

44 

46 

45 

45

44 

45 

45 

45 

50

45

min

43 

43 

45 

42 

42

43 

43 

44 

44 

43

44 

44 

44 

44 

44 

44 

44 

44 

44 

44

44 

44 

44 

45 

44

44 

43 

43 

44 

45

44
STILLAGUAMISH RIVER BASIN 

JIM CREEK NEAR ARLINGTON, WASH.

LOCATION. Temperature recorder, at gaging station at abandoned bridge 1J miles upstream from mo

DRAINAGE AREA. 48.9 square miles.

RECORDS AVAILABLE. Water temperatures: October 1951 to September 1955.

EXTREMES, 1954-55. Water temperatures: Maximum, 66°F July 21, Aug. 10; minimum, not determined

EXTREMES, 1951-55. Water temperatures: Maximum, 71°F July 10, 11, 1953; minimum, freezing poin

REMARKS. Records of discharge for water year October 1954 to September 1955 given in WSP 1396.

Temperature (°F) of water, water year October 1954 to Septem

Day

3...................

4...................

5. ..................

6.. .................

7...................

8...................

9. ..................

10. ..................

11...................

13. ..................

14...................

16...................

18. ..................

19...................

23...................

24...................

26...................

27...................

30. ..................

31...................

October

max

52 

51 

51 

51 

51

52 

53 

53 

54 

54

54 

52 

51 

51 

51

52 

53 

53 

52 

52

51 

51 

50 

49 

47

46 

46 

46 

46 

46 

46

51

min

51 

50 

50 

51 

51

51 

52 

53 

53 

54

52 

51 

50 

50 

50

51 

52 

52 

52 

51

51 

50 

49 

47 

46

46 

46 

46 

45 

46 

46

50

November

max

46 

46 

47 

47 

49

49 

48 

48 

48 

48

48 

48 

48 

48 

48

48 

47 

47 

47 

47

48 

49 

48 

46 

47

47 

46 

45 

45 

43

47

min

45 

45 

46 

47 

47

48 

47 

48 

48 

48

47 

48 

47 

47 

48

47 

47 

47 

47 

47

47 

48 

46 

45 

46

46 

45 

45 

43 

42

46

December

max

42 

40 

41 

42 

43

43 

43 

43 

43 

43

42 

42 

42 

43 

42

42 

41 

40 

40 

42

44 

44 

43 

43 

41

40 

39 

40 

40 

40 

42

42

min

40 

39 

39 

41 

42

43. 

42 

42 

42 

42

41 

41 

42 

42 

41

41 

40 

39 

39 

40

42 

43 

43 

41 

40

39 

39 

39 

40 

40 

40

41

January

max

42 

41 

41 

40 

40

40 

41 

41 

41 

39

39 

40 

40 

39 

39

40 

40 

40 

40 

39

39 

40 

41 

40 

41

41 

40 

39

44

min

41 

41 

40 

39 

39

40 

40 

40 

39 

39

39 

39 

39 

39 

39

39 

40 

40 

38 

39

39 

39 

40 

40 

40

40 

39 

39

39

February

max

39

39 

39 

41 

41 

41

41 

39 

39 

38 

38

38 

40 

40 

40 

39

39 

39 

39

-

min

38

38 

39 

39 

41 

41

39 

39 

37 

37 

37

38 

38 

39 

39 

39

37 

38 

37

--

March

max

39 

39 

38 

36

42 

42

43 

45 

45 

44 

43 

43

--

min

38 

38 

36 

35

41 

40

40 

42 

43 

43 

42 

42

-

April

max

43 

43 

44 

46 

47

49 

48 

46 

45 

44

44 

45 

44 

44 

43

44 

46 

44 

48 

47

47 

46 

45 

45 

49

46 

48 

49 

47 

51

46

min

41 

41 

42 

41 

42

43 

43 

45 

41 

41

42 

43 

42 

41 

42

42 

42 

41 

42 

44

44 

44 

43 

41 

41

43 

42 

42 

43 

43

42
STILLAGUAMISH RIVER BASIN Continu

NORTH FORK STILLAGUAMISH RIVER NEAR DARRIN

LOCATION. Temperature recorder at gaging station at highway bridge, 1 mile downstream from 

Snohomish County.

DRAINAGE AREA. 82.2 square miles.

RECORDS AVAILABLE. Water temperatures: March 1952 to September 1955.

EXTREMES, 1954-55. Water temperatures: Maximum, 56°F Aug. 18-21, 28, 29, Sept. 4-6; minimum

EXTREMES, 1952-55. Water temperatures: Maximum, 63°F Aug. 10-12, 1952; minimum, 35°F Nov. 

REMARKS. Records of discharge for water year October 1954 to September 1955 given in WSP 13

Temperature (°F) of water, water year October 1954 to S

Day

1...................

2...................

3...................

4...................

5. ..................

6. ..................

7...................

8...................

9...................

10. ..................

11...................

12...................

13. ..................

14...................

15...................

16...................

17...................

18. ..................

19. ................'..

20. ..................

21...................

22...................

23...................

24. ..................

25...................

26...................

27...................

28...................

29...................

30. ..................

31. ..................

October

max

49 

49 

49 

49 

49

49 

49 

49 

49 

49

49 

48 

48 

48 

49

49 

50 

49 

49 

48

48 

47 

47 

46 

46

44 

45 

45 

45 

45 

46

48

min

49 

49 

49 

49 

49

49 

48 

49 

49 

49

48 

47 

48 

48 

48

49 

49 

49 

48 

48

47 

47 

46 

46 

44

43 

43 

44 

44 

44 

45

47

November

max

46 

46 

45 

45 

45

45 

45 

45 

45 

45

45 

45 

45 

44 

44

45 

45 

45 

45 

45

46 

47 

47 

46 

46

46 

45 

44 

44 

43

45

min

46 

45 

45 

45 

45

45 

45 

45 

45 

45

45 

45 

44 

44 

44

44 

45 

45 

45 

45

45 

46 

46 

46 

46

45 

44 

44 

43 

42

45

December

max

42 

40 

40 

41 

42

42 

42 

42 

42 

42

42 

41 

42 

42 

42

41 

41 

40 

40 

42

42 

42 

42 

42 

41

40 

40 

40 

41 

41 

41

41

min

40 

40 

40 

40 

41

42 

42 

42 

42 

42

41 

41 

41 

42 

41

41 

40 

40 

40 

40

42 

42 

42 

41 

40

40 

40 

40 

40 

40 

40

41

January

max

41 

41 

41 

41 

40

41 

41 

41 

41 

41

40 

41 

41 

41 

41

40 

39 

39 

39 

39

39 

39 

39 

39 

39

39 

39 

39 

39 

40 

40

40

min

41 

41 

41 

40 

40

40 

41 

41 

40 

40

40 

40 

41 

41 

40

39 

39 

39 

38 

38

39 

39 

39 

39 

39

39 

39 

39 

39 

39 

40

40

February

max

40 

39 

40 

40 

40

39 

38 

38 

38 

37

37 

38 

39 

39 

39

39 

39 

38 

38 

39

39 

40 

40 

40 

39

38 

38 

38

39

min

39 

39 

39 

39 

39

38 

38 

37 

37 

37

37 

37 

38 

39 

39

39 

38 

38 

38 

38

38 

39 

40 

39 

38

38 

38 

38

38

March

max

38 

38 

38 

37 

37

39 

39 

39 

39 

40

39 

39 

39 

42 

41

41 

42 

42 

42 

41

41 

40 

41 

42 

42

42 

44 

44 

42 

41 

41

40

min

38 

38 

37 

37 

37

37 

38 

39 

39 

38

39 

39 

39 

39 

40

41 

40 

41 

40 

40

40 

39 

39 

40 

40

40 

42 

42 

41 

40 

40

39

April

max

40 

41 

42 

43 

44

44 

43 

42 

40 

41

42 

41 

42 

43 

42

42 

44 

44 

44 

44

44 

44 

44 

43 

44

44 

44 

45 

45 

45

43

m
STILLAGUAMISH RIVER BASIN Continued

PILCHUCK CREEK NEAR BRYANT, WASH.

LOCATION. Temperature recorder at gaging station, 500 feet upstream from highway bridge and 2 

DRAINAGE AREA. 49.7 square miles.

RECORDS AVAILABLE. Water temperatures: March 1952 to September 1955.

EXTREMES, 1954-55.--Water temperatures: Maximum, 66°F Sept. 5; minimum, 33°F Mar. 7.

EXTREMES, 1952-55.--Water temperatures: Maximum, 66°F Sept. 5, 1955; minimum, 33°F Mar. 7, 19

REMARKS.--Records of discharge for water year October 1954 to September 1955 given in WSP 1396

Temperature (°F) of water, water year October 1954 to Sep

Day

1.. .................

3...................

4...................

5. ..................

6. ..................

7. ..................

8. ..................

9. ..................

10. ..................

12...................

13...................

15...................

16...................

17...................

18...................

19...................

20. ..................

22...................

23. ..................

24...................

25...................

26...................

27. ..................

28...................

30. ..................

31...................

Average .......

October

max

51 

51 

51 

51 

51

51 

52 

53 

53 

53

53 

50 

49 

50 

50 

52 

52 

52 

52 

51

49 

48 

48 

46 

45

43 

44 

44 

45 

45 

44

49

min

50 

49 

50 

51 

51

51 

51 

52 

53 

53

50 

49 

48 

48 

50

50 

51 

52 

51 

49

48 

48 

46 

45 

43

43 

43 

44 

44 

44 

44

48

November

max

44 

45 

47 

48 

49

49 

48 

48 

48 

48

48 

48 

47 

47 

47

47 

47 

47 

47 

47

47 

47 

47 

47 

48

47 

47 

47 

45 

44

47

min

44 

44 

45 

47 

48

48 

47 

47 

48 

48

48 

47 

47 

47

47

47 

46 

46 

46 

46

47 

47 

46 

46

47

47 

47 

45 

44 

43

46

December

max

43 

41 

41 

43 

44

44 

44 

43 

43 

43

43 

43 

43 

43 

43

43 

42 

42 

41 

43

45 

45 

45 

44 

42

40 

40 

40 

40 

41 

41

43

min

41 

41 

41 

41 

43

44 

43 

43 

43 

43

43 

43 

43 

43 

43

42 

42 

41 

41 

41

43 

45 

44 

42 

40

40 

40 

40 

40 

40 

40

42

January

max

40 

40 

40 

40 

40

40 

40 

40 

40 

39

38 

38 

38 

37 

37

38 

38 

38 

38 

38

38 

38 

39 

40 

40

40 

40 

40 

40 

40 

41

39

min

40 

40 

40 

40 

40

40 

40 

40 

39 

38

37 

37 

37 

37 

37

37 

38 

38 

38 

38

38 

38 

38 

39 

40

40 

40 

39 

39 

40 

40

39

February

max

41 

40 

39 

39 

39

39 

39 

39 

39 

38

37 

38 

39 

39 

39

39 

39 

38 

37 

37

37 

38 

38 

38 

37

37 

37 

37

38

min

40 

39 

39 

39 

39

39 

39 

39 

38 

37

37 

37 

38 

39 

39 

39 

38 

37 

37 

37

37 

37 

37 

37 

37

37 

37 

35

38

March

max

36 

36 

35 

34 

34

34 

34 

35 

35 

35

35 

35 

35 

35 

36

36 

37 

37 

37 

37

36 

36 

36 

37 

37

38 

40 

40 

39 

39 

39

36

min

35 

35 

34 

34 

34

34 

33 

34 

35 

35

35 

35 

35 

35 

35 

36 

36 

37 

36 

36

36 

36 

36 

36 

37

37 

38 

39 

39 

38 

38

36

April

max

38 

38 

39 

40 

41

42 

42 

41 

40 

39

40 

40 

40 

41 

41.

42 

42 

42 

44

44

42 

42 

43 

42 

44

44 

44 

45 

45 

47

42

min

36 

36 

38

37 

38

39 

40 

40 

39 

39

39 

40 

40 

39 

40

40 

41 

40 

41 

43

43 

43 

42 

41 

40

42 

41 

42 

43 

43

40
SKAGIT RIVER BASIN

SKAGIT RIVER ABOVE ALMA CREEK, NEAR MARBLEMOUN

LOCATION.--Temperature recorder at gaging station, three-quarters of a mile upstream from Alma 

DRAINAGE AREA. 1,260 square miles, approximately, of which 400 square miles is in Canada.

RECORDS AVAILABLE. Water temperatures: January 1953 to September 1955.

EXTREMES, 1954-55. Water temperatures: Maximum, 53°F Sept. 3, 5; minimum, 38 °F Feb. 27 to Ma

EXTREMES, 1953-55.--Water temperatures: Maximum, 53°F Sept. 3, 5, 1955; minimum, 37°F Feb. 17

REMARKS. Records of discharge for water year October 1954 to September 1955 given in WSP 1396

Temperature (°F) of water, water year October 1954 to Sep

Day

2. ..................

3...................

4...................

5. ..................

6. ..................

7. ..................

8. ..................

9. ..................

10...................

11...................

12...................

13. ..................

14...................

15...................

16. ..................

17...................

18...................

19...................

20. ..................

21...................

22...................

23...................

24...................

25...................

26...................

27...................

28...................

29...................

30. ..................

31...................

October

max

49 

49 

49 

49 

49

50 

50 

50 

50 

50

50 

48 

48 

48 

48

48 

48 

47 

47 

47

46 

46 

46 

46 

46

45 

45 

45 

45 

45 

45

48

min

49 

49 

49 

49 

49

49 

50 

50 

50 

50

48 

48 

48 

47 

47

48 

47 

47 

47 

46

46 

46 

46 

46 

45

45 

45 

45 

45 

45 

45

47

November

max

46 

46 

45 

45 

45

44 

44 

44 

44 

44

44 

43 

43 

43 

43

43 

43 

43 

43 

44

44 

44 

44 

44 

44

44 

44 

44 

44 

44

44

min

45 

45 

45 

45 

44

44 

43 

44 

44 

44

43 

43 

43 

43 

43

43 

43 

42 

43 

43

44 

44 

44 

44 

44

44 

44 

44 

44 

43

44

December

max

43 

42 

42 

42 

42

42 

42 

42 

42 

42

42 

42 

42 

42 

42

42 

42 

41 

41 

41

41 

41 

41 

41 

41

41 

40 

40 

40 

40 

40

41

min

42 

42 

42 

42 

42

42 

42 

42 

42 

42

42 

42 

42 

42 

42

42 

41 

41 

41 

41

41 

41 

41 

41 

41

40 

40 

40 

40 

40 

40

41

January

max

40 

40 

39 

39 

40

40 

41 

41 

41 

41

41 

41 

41 

41 

41

41 

41 

41 

41 

41

42 

42 

42 

42 

42

42 

41 

41 

41 

41 

41

41

min

40 

39 

39 

39 

40

40 

40 

40 

40 

40

40 

40 

40 

40 

40

40 

40 

40 

40 

40

41 

41 

41 

41 

41

41 

41 

41 

41 

41 

41

40

February

max

41 

41 

41 

41 

41

41 

40 

40 

40 

40

40 

40 

40 

40 

40

40 

40 

40 

40 

40

40 

40 

40 

40 

40

40 

39 

39

40

min

41 

41 

41 

41 

41

40 

40 

40 

40 

40

40 

40 

40 

40 

40

40 

40 

40 

40 

40

40 

40 

40 

40 

40

39 

38 

38

40

March

max

39 

39 

39 

38 

38

38 

38 

38 

38 

38

38 

38 

38 

38 

38

38 

38 

39 

39 

39

39 

39 

39 

39 

38

38 

39 

39 

39 

39 

39

38

min

38 

38 

38 

38 

38

38 

38 

38 

38 

38

38 

38 

38 

38 

38

38 

38 

38 

39 

39

39 

39 

39 

38 

38

38 

38 

39 

39 

39 

39

38

April

max

39 

39 

40 

39 

39

39 

40 

40 

40 

40

40 

40 

41 

41 

41

41 

42 

42 

42 

41

42 

42 

42 

42 

42

42 

42 

42 

42 

42

41

min

39 

39 

39 

39 

39

39 

39 

40 

40 

40

40 

40 

40 

41 

41

41 

41 

41 

41 

41

41 

41 

42 

42 

42

42 

42 

41 

41 

41

40
SKAGIT RIVER BASIN--Continued

CASCADE RIVER AT MARBLEMOUNT, WASH.

LOCATION. Temperature recorder at gaging station, 1J miles downstream from Boulder Creek, 2 mi

upstream from mouth. 

DRAINAGE AREA. 171 square miles. 

RECORDS AVAILABLE. Water temperatures: May 1952 to September 1955.

Maximum, 53°F Aug. 16, 18, Sept. 2-6; minimum, 33°F Mar

Maximum, 57°F July 9, 11-14, 29-31, Aug. 2-5, 9-13, 19

EXTREMES, 1954-55. Water temperatures: 

EXTREMES, 1952-55.--Water temperatures:

REMARKS. Records of discharge for water year October 1954 to September 1955 given in WSP 1396.

Temperature (°F

Day

3...................

4...................

5. ..................

6...................

7...................

8. ..................

9. ..................

10. ..................

11...................

14...................

15...................

16...................

18. ..................

20. ..................

21...................

22...................

23. ..................

24...................

26...................

27...................

28...................

29...................

30. ..................

31. ..................

October

max

44 

44 

45 

45 

45

46 

46 

46 

47 

47

46 

44 

43 

44 

44

45 

45 

45 

45 

44

44 

43 

43 

42 

41

41 

41 

42 

42 

42 

42

44

mln

43 

43 

44 

45 

45

45 

46 

46 

46 

46

44 

43 

43 

43 

44

44 

45 

44 

44 

44

43 

43 

42 

41 

41

4Q/ 

40 

41 

41 

41 

41

43

November

max

41 

42 

42 

42 

44

44 

42 

43 

43 

43

43 

43 

43 

42 

42

42 

42 

42 

42 

42

43 

43 

43 

42 

42

42 

41 

41 

41 

39

42

mln

41

41 

42 

42 

42

42 

41 

42 

43 

42

42 

43 

42 

42 

42

42 

42 

42 

42 

42

42 

43 

42 

42 

42

41 

41 

41 

39 

38

42

December

max

38 

38 

38 

39 

39

39 

39 

39 

39 

39

39 

39 

38 

38 

38

38 

38 

37 

38 

39

40 

40 

39 

39 

39

37 

37 

37 

38 

38 

39

38

mln

38 

37 

37 

38 

39

39 

39 

39 

39 

39

39 

38 

38 

38 

38

38 

37 

37 

37 

38

39 

39 

39 

39 

37

37 

37 

37 

37 

38 

38

38

January

max

39 

39 

38 

38 

38

39 

39 

39 

39 

38

38 

39 

39 

39 

39

39 

39 

39 

39 

38

38 

38 

39 

39 

39

39 

39 

38 

39 

39 

39

39

min

38 

38 

38 

37 

38

38 

39 

39 

38 

37

37 

38 

38 

38 

39

39 

38 

38 

37 

37

38 

38 

38 

39 

39

39 

38 

38 

38 

39 

39

38

of water, water year October 1954 to Sept

February

max

39 

39 

39 

39 

39

39 

37 

37 

37 

37

37 

38 

39 

38 

39

39 

38 

37 

36 

37

37 

38 

38 

38 

37

36 

36 

35

38

min

39 

39 

39 

39 

39

37 

37 

37 

37 

36

36 

37 

38 

38 

38

38 

37 

35 

35 

36

37 

37 

38 

37 

36

36 

35 

35

37

March

max

36 

36 

35 

34 

34

36 

37 

37 

37 

37

36 

36 

37 

38 

38

38 

38 

38 

38 

38

37 

36 

36 

37 

38

39 

41 

40 

41 

40 

40

37

min

35 

35 

34 

33 

33

34 

36 

37 

37 

36

36 

36 

36 

37 

37

38 

38 

38 

37 

36

36 

36 

37 

36 

36

37 

39 

39 

40 

39 

39

37

April

max

39 

40 

42 

42 

42

42 

43 

42 

41 

41

41 

41 

42 

42 

42

42 

44 

44 

44 

44

45 

44 

44 

43 

43

45 

44 

45 

45 

45

43

min

39 

39 

39 

39 

39

39 

40 

41 

40 

40

40 

40 

41 

41 

41

41 

41 

41 

42 

43

43 

43 

42 

41 

42

42 

42 

42 

42 

43

41
PACIFIC SLOPE BASINS NORTH OF COLUMBIA 

MISCELLANEOUS ANALYSES OF STREAMS IN PACIFIC SLOPE BASINS NORTH 

Chemical analyses, in parts per million, water year October 195

Date of collection

Mean 

discharge 

(cfs)

Silica 

(Si02)

Iron 

(Fe)

Calcium 

(Ca)

Magnesium 

(Mg)

Sodium 

(Na)

Potassium 

(K)

Bicarbonate 

(HCO,)

Sulfate 

(S04)

Chloride 

(Cl)

Fluoride 

(F)

Nitrate 

(NO,)

Boron 

(B)

NISQUALLY RIVER BASIN 

NISQUALLY RIVER NEAR McKENNA

Feb. 9, 1955 ...... 

Seot. 1 ...........

3,390 

968

14 

10

0.11 

.02

4.8 

4.8

1.2 

1.0

3.0 

2.8

0.7 

.6

22 

24

2.5 

2.1

1.5 

1.0

0.2 

.1

1.2 

.2

0.05 

.05

CHAMBERS RIVER BASIN 

CHAMBERS CREEK BELOW LEACH CREEK NEAR STE

Feb. 18, 1955 ..... 

Aug. 30...........

148 

39

15 

18

0.01 

.00

9.9 

10

3.6 

5.2

5.0 

5.7

1.2 

1.0

44 

51

6.9 

7.4

4.0 

5.0

0.1 

.1

4.7 

3 . 8

0.10 

.04

PUYALLUP RIVER BASIN 

KAPOWSIN CREEK NEAR KAPOWSIN

Feb. 8, 1955 ......

Sept. 1 ...........

246 

6.4

16 

13

0.08 

.03

3.4 

4.8

1.1

1.4

3.0 

3.4

0.9 

.9

18 

28

1.5 

.7

1.0 

2.0

0.3 

.2

1.6 

.7

0.08 

.01

PUYALLUP RIVER NEAR ORTING

Feb. 8, 1955. ..... 3,240 

499

13

9.7

0.05 

.02

3.8 

4.2

0.9 

1.3

2.3 

2.3

0.9 

.6

17 

16

2.5 

7.4

1.2

1.0

0.3 

.1

1.6 

.2

0.11 

.04

CARBON RIVER NEAR FAIRFAX

Sent. 1 ...........

1,760 

295

8.9 

7.1

0.00 

.01

3.2 

2.4

0.5 

.3

1.7 

1.8

0.6 

.5

12 

13

1.5 

1.4

0.2 

.5

0.2 

.1

1.6 

.4

0.05 

.08
PACIFIC SLOPE BASINS NORTH OF COLUMBIA RIVER Co

MISCELLANEOUS ANALYSES OF STREAMS IN PACIFIC SLOPE BASINS NORTH OF COLUMB

Chemlca analyse

Date of collection

Mean 

discharge 

(ds)

Silica 

(Si02)

Iron 

(Fe)

Calcium 

(Ca)

Magnesium 

(Mg)

Sodium 

(Na)

s, in pa

Potassium 

(K)

rts oer n

Bicarbonate 

(HCO,)

lillion. water vear October 1954

Sulfate 

(SO,)

Chloride 

(Cl)

Fluoride 

(F)

Nitrate 

(NO,)

to Seot

Boron 

(B)

PUYALLUP RIVER BASIN Continued 

SOUTH PRAIRIE CREEK AT SOUTH PRAIRIE

Sept. 1 ...........

902 

54

11 

14

0.00 

.00

4.6 

11

1.0 

2.9

2.5 

5.8

0.7 

.6

18 

51

4.5 

7.7

1.2 

2.2

0.3 

.1

1.9 

.3

0.05 

.02

PUYALLUP RIVER AT ALDERTON

Aug. 31 ..........

4,190 

1,020

12 

10

0.05 

.03

4.8 

5.6

1.0 

1.6

2.6 

3.0

0.8

.7

20 

26

3.0 

5.1

1.0 

1.0

0.2 

.1

1.6 

.3

0.14 

.01

WHITE RIVER AT GREENWATER

Aug. 30 ..........

3,040 

723

13 

14

0.00 

.02

4.4 

5.6

0.8 

.9

2.3 

3.9

0.6 

.8

17 

18

4.4 

10

0.5 

1.2

0.3 

.1

0.9 

.3

0.12 

.11

GREENWATER RIVER AT GREENWATER

Aug . 30 ..........

1,150 

73

14 

16

0.03 

.00

4.6 

6.7

0.5 

1.2

2.5 

4.3

0.5 

.3

19 

33

2.6 

3.3

1.0 

1.2

0.3 

.0

0.9 

.1

0.08 

.02

WHITE RIVER NEAR BUCKLEY

Aug. 31 ..........

3,390 

865

9.5 

12

0.07 

.03

3.2

5.4

0.5 

.8

1.9 

3.7

0.7 

.8

12 

20

3.8 

8.8

1.0 

1.5

0.3 

.1

1.1

.4

0.12 

.02
PACIFIC SLOPE BASINS NORTH OF COLUMBIA RIVER

W

>

5

1W

528

o o

to « 

to c-'

C- 0>

to to

88

o o

10 rt

o *H

t- o»

0 0

o

00 tTf tO

to rt 

rt O

o

CO IO

o

O 00

2ci

ss

o> o

10 in

0 0

Tf 0>

S

C4 

0

o

 «

0 W

in

£< 

172 O

§

1

at 

I

1

i

-59-2

o o

to to'

00 to

88

rt O

£3

O U3

28

°°

o

t- IO

o o 

o

"*. *.

o

« o

t- tn*

OS ^<

O i-l

n°

"*

22

o o

o

nn

oo en

IO 

10

& bp

i
356 PACIFIC SLOPE BASINS IN WASHINGTON AND UPPER COLUMBIA RIVER BASIN 

PACIFIC SLOPE BASINS NORTH OF COLUMBIA RIVER--Continued

MISCELLANEOUS ANALYSES OF STREAMS IN PACIFIC SLOPE BASINS 

NORTH OF COLUMBIA RIVER IN WASHINGTON Continued

Periodic determinations of suspended-sediment discharge, 

water year October 1954 to September 1955

Date

Discharge 

(cfs)

Suspended sediment

Mean 

concentration 

(ppm)

Discharge 

(tons per day)

NISQUALLY RIVER BASIN 

NISQUALLY RIVER NEAR McKENNA

Jan. 18, 1955 ............

Sept. 1 ..................

2 0 on

1,420

7

8

27

10

7

196

42

81

26

53

245

56

51

51

1,090

161

CHAMBERS CREEK BASIN 

CHAMBERS CREEK BELOW LEACH CREEK, NEAR STEILACOOM

Oct. 27, 1954.. ..........

Jan. 19, 1955 ............

Feb. 18 .................

Mar . 14 .................

July 18 ..................

Aug . 30. .................

51 

87 

131 

145 

136

164 

95 

61 

39

5 

6 

10 

10

7

7 

4 

4 

7

0.7 

1.4 

3.5 

3.9 

2.6

3.1 

1.0 

.7

.7

PUYALLUP RIVER BASIN 

KAPOWSIN CREEK NEAR KAPOWSIN

Feb. 8 ..................

Apr. 25 .................

Sept. 1 ..................

22 

43 

57 

283 

54

92 

34 

15 

6.1

3 

2 

5 

13 

5

3 

5 

6 

5

0.18 

.23 

.77 

9.9 

.73

.75 

.46 

.24 

.08

PUYALLUP RIVER NEAR ORTING

Jan. 17, 1955 ............

Feb. 8 ..................

Apr. 22 .................

May 27 ..................

July 19 ..................

Aug. 31 .................

QQC

522

7

581

8

223

448

91

4,310

15

585

631

CARBON RIVER NEAR FAIRFAX

Nov. 2, 1954 ............

Dec. 13 .................

Mar. 18 .................

Apr. 28 .................

Sept. 1 ..................

215

285

5

6

283

5

3

7

275

179

2.1

3.5

(t)

1,150

1.6

1.6

9.8

448

138

t Less than 0.50 ton.
PACIFIC SLOPE BASINS NORTH OF COLUMBIA RIVER 

PACIFIC SLOPE BASINS NORTH OF COLUMBIA RIVER Continued

MISCELLANEOUS ANALYSES OF STREAMS IN PACIFIC SLOPE BASINS 

NORTH OF COLUMBIA RIVER IN WASHINGTON Continued

Periodic determinations of suspended-sediment discharge, 

water year October 1954 to September 1955--Continued

357

Date

Discharge 

(cfs)

Suspended sediment

Mean 

concentration 

(ppm)

Discharge 

(tons per day)

PUYALLUP RIVER BASIN--Continued 

SOUTH PRAIRIE CREEK AT SOUTH PRAIRE

Nov. 2, 1954 ............

Dec. 13 .................

Jan. 17, 1955 ............

Feb. 9 ..................

Mar. 16.................

Apr. 22 .................

July 20 ..................

Sept. 1 ..................

85 

168 

159 

840 

146

365 

247 

151 

52

3 

4 

4 

113 

3

8

4 

7 

10

0.7 

1.8 

1.7 

256 

1.2

7.9 

2.7 

2.9 

1.4

PUYALLUP RIVER AT ALDERTON

Oct. 29, 1954 ............

Jan. 19, 1955 ............

Feb. 9 ..................

Mar. 16 .................

Apr. 21 .................

May 26 ..................

July 25 ..................

Aue. 31. .................

987

1,880

1.040

9

25

296

27

20

187

832

831

WHITE RIVER AT GREENWATER

Dec . 9 ..................

Jan. 21, 1955 ............

Feb. 8 ..................

Mar. 21 ................

Apr . 27 .................

July 22 .................

Aug. 30 ................. 700

on

1 1

1,630

38

9.1

6,140

3,080

GREENWATER RIVER AT GREENWATER

Nov. 10, 1954 ...........

Dec . 7 ..................

Jan. 21, 1955 ............

Mar. 22 .................

Apr. 27 .................

July 22 ..................

Aug. 30 .................

66

73

3

17

2

0.5

1.1

277

2.2

6.2

9.2

.4

WHITE RIVER NEAR BUCKLEY

Oct. 28, 1954 ............

Dec . 9 ..................

Jan. 21, 1955 ............

Apr. 28 .................

Aug. 31 .................

rjcn

875

9

11

175

1,270

20

15

16

2,130

13

27

3,360

1,290

3,000
PACIFIC SLOPE BASINS IN WASHINGTON AND UPPER COLUMBIA RIVER BASIN 

PACIFIC SLOPE BASINS NORTH OF COLUMBIA RIVER--Continued

MISCELLANEOUS ANALYSES OF STREAMS IN PACIFIC SLOPE BASINS 

NORTH OF COLUMBIA RIVER IN WASHINGTON Continued

Periodic determinations of suspended-sediment discharge, 

water year October 1954 to September 1955--Continued

Date

Discharge 

(cfs)

Suspended sediment

Mean 

concentration 

(ppm)

Discharge 

(tons per day)

PUYALLUP RIVER BASIN Continued 

STUCK RIVER NEAR SUMNER

Jan. 20, 1955 .............

Feb . 9 ....................

Mar. 15 ..................

Apr. 21 ..................

July 21 ...................

Aue. 29 .................. 96

5

744

4

1,740

52

25

0.8

4,680

1.5

2.6

27, 100

61

6.5

PUYALLUP RIVER AT PUYALLUP

Aug. 30 ..................

S

OTfi

2,480 146 978
PACIFIC SLOPE BASINS NORTH OF COLUMBIA RIVER 

MISCELLANEOUS ANALYSES OF STREAMS IN PACIFIC SLOPE BASINS NORTH OF CO

Particle-size analyses of suspended sediment, water year October 19

(Methods of analysis: B, bottom withdrawal tube; D, decantation; P, pipett

W, in distilled water; C, chemically dispersed; M, mechanically disperse

Date 

of 

Collection

Time Discharge 

(cfs)

Water 

temperature 

(°F)

Suspended 

Concentration 

of sample 

(ppm)

Concentration 

of suspension 

analyzed 

(ppm)

Percent 

0.002 0.004 0.008 0.016 

N I SQUALLY RIVER BASIN 

NISQUALLY RIVER NEAR McKENNA

July 25, 1955 . .. . | 12:45 p.m. 2,060 53 1 196 750 69 75 78 89 

PUYALLUP RIVER BASIN 

PUYALLUP RIVER NEAR ORTING

July 19, 1955 .... |ll:15a.m.| 971 18 

CARBON RIVER NEAR FAIRFAX

July 20, 1955 . 

PUYALLUP RIVER AT ALDERTON

May 26, 1955 . 1:30 p.m. 1,610

WHITE RIVER AT GREENWATER

June 8, 1955 1:50 p.m. 4,230 1,190 1,940 

WHITE RIVER NEAR BUCKLEY

June 10, 1955. 1:25 p.m. 7,120

STUCK RIVER NEAR SUMNER

June 9, 1955. . 7:30 p.m. 5,770 1,740 2,580 

PUYALLUP RIVER AT PUYALLUP

May 31, 1955 . .. 4:35 p.m. 5,320
KOOTENAI RIVER BASIN 

MISCELLANEOUS ANALYSES OF STREAMS IN KOOTENAI RIVE

Particle-size analyses of suspended sediment, Jun

(Methods of analysis: B, bottom withdrawal tube; D, decantation; P, pip

^W^ln distilled water; C, chemically dispersed; M, mechanically dispers

Date

of 

collection

Discharge 

(cfs)

Water 

temperature

Suspende

Concentration

of sample

(ppm)

Concentration

of suspension

analyzed

(ppm)

Percen

0.002 0.004 0.008 0.01

KOOTENAI RIVER AT LEONIA

June 20, 1955 .... 12:00 m. 52,000 159 1,340 21 31 39 52 

KOOTENAI RIVER NEAR BONNERS FERRY

June 20, 1955 .... 7:00 p.m. 56, 300 127 1,330 10 34 47 59 
COLUMBIA RIVER MAIN STEM

COLUMBIA RIVER AT INTERNATIONAL BOUNDAR

LOCATION.--At cableway 2.2 miles downstream from gaging station, which is 0.5 mile downstream fr

Northport, Stevens County, Washington.

DRAINAGE AREA. 59,700 square miles, approximately (above gaging station). 

RECORDS AVAILABLE.--Chemical analyses: February 1910 to January 1911, November 1951 to Septembe

Water temperatures: November 1951 to September 1955. 

EXTREMES, 1954-55. Dissolved solids: Maximum, 108 ppm Mar. 1-10, 21-31; minimum, 76 ppm July 1

Hardness: Maximum, 87 ppm Mar. 1-10, 21-31; minimum, 61 ppm Aug. 1-13.

Specific conductance: Maximum daily, 183 micromhos Mar. 3, 5, 28, 30; minimum daily, 129 micr

Water temperatures: Maximum, 69°F Aug. 31; minimum, 35°F on many days during February and Mar

EXTREMES, 1951-55.--Dissolved solids: Maximum, 110 ppm Apr. 11-20, 1953; minimum, 73 ppm July 2

Hardness: Maximum, 92 ppm Mar. 1-10, 1953; minimum, 61 ppm Aug. 1-13, 1955.

Specific conductance: Maximum daily, 190 micromhos Mar. 10, 1953; minimum daily, 129 micromho

Water temperatures: Maximum 69°F Aug. 31, 1955; minimum, freezing point Jan. 2, 11, 1952.

REMARKS.--Values reported for dissolved solids are residues on evaporation. Records of specific 

office at Portland, Oreg. Records of discharge for water year October 1954 to September 1955 

Chemical analyses, in parts per million, water year October 1954 t

Date of collection

Oct. 1-10, 1954 ... 

Oct. 11-20..... .. .

Nov. 11-20.... ....

Nov. 21-30.... ....

Dec. 11-20........

Jan. 1-10, 1955 ...

Jan. 21-31 ........

Feb. 20-28.... ....

Mar. 1-10 ........

Mar. 21-31 .......

Mean 

discharge 

(cfs)

62,310 

59, 570 

58, 600 

55,170 

64, 900 

65,760

60, 050 

54, 300 

47,210 

42,420 

42,970 

42,050

41,850 

41,530 

39,880 

34, 050 

39,140 

42. 630

Silica 

(Si02)

4.4 

5.2 

4.8 

4.9 

5.6 

6.4

5.0 

5.2 

6.3 

6.8

7.4 

7.0

6.9 

6.2 

6.2 

7.2 

6.8 

7.0

Iron 

(Fe)

Calcium 

(Ca)

21 

21 

22 

21 

21 

21

21 

22 

23 

24 

24 

24

24 

24 

24 

25 

24 

25

Magnesium 

(Mg)

5.1 

5.0 

4.8 

4.9 

4.9 

4.7

4.8 

4.8 

5.4 

5.3 

5.5 

5.7

5.7 

5.6 

5.6 

5.9 

5.9 

6.0

Sodium 

(Na)

1.4 

1.4 

1.4 

1.8 

1.8 

1.9

1.9 

1.8 

2.4 

2.3 

2.3 

2.3

2.3 

2.0 

2.0 

2 2 

2.0 

2.2

Potassium 

(K)

0.9 

.9 

1.0 

.9 

.9 

.9

.9 

.9 

.2 

.2 

.2 

.2

.2 

.1 

.1 

.0 

.0 

.0

Bicarbonate 

(HCOS )

73 

74 

75 

78 

79 

78

77 

79 

90 

88 

90 

90

90 

85 

85 

88 

87 

90

Sulfate 

(S04 )

14 

13 

14 

14 

13 

13

14 

14 

16 

17 

17 

17

16 

16 

16 

17 

16 

16

Chloride 

(Cl)

1.2 

.8 

1.0 

1.4 

.8 

1.1

1.4 

1.1 

1.0 

1.0 

1.0 

1.0

1.0 

1.1 

.9 

1.8 

1.1 

1.8

Fluoride 

(F)

Nitrate 

(NO,)

0.9 

.6 

.8 

1.0 

.7 

.9

1.1 

.9 

.8 

.8 

.8 

.7

.6 

.4 

.4 

.7 

.5 

1.0

Bo

ron 

(B)

0.0

.0

.0

.0

.0

.0
COLUMBIA RIVER MAIN STEM--Continued 

COLUMBIA RIVER AT INTERNATIONAL BOUNDARY--Contin

Chemical analyses, in part per million, water year October 1954 to Septembe

Date of collection

Apr. 1-11, 1955 ...

Apr. 21-30.... ....

May 1-16 .........

July 1-15 .........

Sept. 1-30 ........

Weighted average

Mean 

discharge 

(cfs)

58,270 

51,560 

53,370 

66,010 

136,900

193,300 

299,200 

372,700 

325, 200 

277,100

171,900 

102,800 

71,330

104,100

Silica 

(SiOz)

7.4 

8.3 

8.2 

7.1 

7.1

6 9 

6.3 

5.9 

6.4 

4.9

8.1 

6.7 

5.8

6.3

Iron 

(Fe)

Calcium 

(Ca)

25 

24 

23 

21 

21

20 

19 

19 

19 

18

18 

19 

20

20

Magn6- 

sium 

(Mg)

4.5 

4.6 

4.3 

4.5 

4.1

3 9 

4.5 

4.8 

3.6 

4.2

4.0 

3 .8 

4.2

4.4

Sodium 

(Na)

3.3 

2.4 

2 3 

2.1 

2.0

2.4 

2.3 

1.6 

1.6 

1.7

1.6 

1.6

1.7

1.9

Potassium 

(K)

1.0 

1.0 

1.0 

1.0 

.9

1.4 

1.0 

1.0 

1.0 

.8

1.3 

1.5 

1.5

1.1

Bicarbonate 

(HCO3 )

89 

84 

82 

78 

78

73 

73 

72 

68 

68

66 

66 

70

74

Sulfate 

(S04 )

15 

16 

14 

13 

12

11 

11 

10 

9.3 

9.3

10 

11 

12

12

Chloride 

(Cl)

0.5 

.8 

.5 

.5 

.2

.8 

.2 

.2 

.2 

.2

.5 

.5 

.2

0.5

Fluoride 

(F)

Nitrate 

(N03 )

1.1 

1.2 

.7 

.6 

.8

.9 

.7 

.7 

1.0 

1.4

1.1 

1.0 

.8

0.9

Boron 

(B)

0.04 

.06

.02 

.04 

.01 

.04

"

P

m
COLUMBIA RIVER MAIN STEM 363

COLUMBIA RIVER MAIN STEM Continued 

COLUMBIA RIVER AT INTERNATIONAL BOUNDARY Continued

Temperature (° F) of water, water year October 1954 to September 1955

Day

1

2

3

4

5

6

7

8

9

10

11

12

13

14

15

16

17

18

19

20

21

22

23

24

25

26

27

28

29

30

31

Average

Oct.

56

55

55

54

54

54

54

54

-

._

54

53

53

52

52

52

52

52

--

52

52

51

50

50

49

49

50

50

49

49

52

Nov.

48

48

48

48

48

49

48

48

48

49

48

48

48

48

48

48

48

47

..

47

__

47

47

_

45

45

44

--

48

Dec.

44

44

43

43

44

44

44

44

44

43

43

43

43

42

--

41

42

42

..

41

41

40

41

40

_

39

39

_

38

40

42

Jan.

40

39

41

40

40

39

38

38

38

38

38

37

37

37

_

37

36

37

37

..

37

36

36

37

37

37

38

38

38

38

38

Feb.

38

38

37

38

..

37

37

37

37

37

36

36

--

36

36

36

36

36

36

36

36

_

35

35

35

35

_

_

--

36

Mar.

35

35

35

35

35

35

35

35

35

35

35

35

35

35

35

36

36

37

37

35

37

36

37

37

37

38

38

38

38

36

Apr.

39

39

40

_

--

40

40

41

42

42

42

42

42

41

41

43

43

43

42

42

42

42

_

42

43

43

43

43

44

--

42

May

..

_

44

45

45

45

45

45

46

46

46

46

46

46

--

47

47

47

47

47

_

47

48

48

47

47

_

48

June

48

49

49

49

50

51

52

52

52

53

53

52

52

52

52

52

52

52

52

52

53

--

53

53

53

54

52

52

July

52

54

54

54

54

53

55

55

52

54

54

54

54

52

53

54

55

..

_

_

54

55

55

54

55

55

_

54

Aug.

55

_

58

58

56

60

60

58

60

60

60

_

61

--

60

60

--

58

62

63

63

--

_

60

..

_

67

69

--

Sept.

62

_

_

62

63

62

62

63

62

_

63

63

63

--

65

--

_

51

63

_

62

63

_

~
SPOKANE RIVER BASIN

COEUR D'ALENE RIVER AT CATALOG, IDAH

LOCATION. At wooden bridge, just upstream from bridge on U. S. Highway 10, at Cataldo, Shoshone 

miles downstream from South Fork.

DRAINAGE AREA. 1,220 square miles, approximately (above gaging station). 

RECORDS AVAILABLE. Chemical analyses: October 1953 to September 1955.

Water temperatures: October 1953 to September 1955. 

EXTREMES, 1954-55. Dissolved solids: Maximum, 90 ppm Sept. 1-2, 7-9, 11, 13-14, 27-28; minimum

Hardness: Maximum, 51 ppm Sept. 1-2, 7-9, 11, 13-14, 27-28; minimum, 19 ppm May 21-31.

Specific conductance: Maximum daily, 159 micromhos Sept. 11; minimum daily, 44.2 micromhos May 

Water temperatures: Maximum, 72°F June 23; minimum, 33°F Feb. 28. 

EXTREMES, 1953-55.--Dissolved solids: Maximum, 98 ppm Oct. 21-31, 1953; minimum, 36 ppm May 21-

Hardness: Maximum, 61 ppm Sept. 11-20, 1953; minimum, 18 ppm May 11-20, 1954.

Specific conductance: Maximum daily, 178 micromhos Oct. 29, 1953; minimum daily, 39.2 micromho

Water temperatures: Maximum, 72°F July 13, 1953, June 23, 1955; minimum, freezing point on se

REMARKS. Values reported for dissolved solids are residues on evaporation. Records of specific 

Portland, Oreg. Records of discharge for gaging station near Cataldo for water year October 

Chemical analyses, in parts per million, water year October 1954 

Date of collection

Oct. 1-10, 1954.. 

Oct 11 20

Oct. 21-28 .....

Nov. 11-20 .....

Jan. 1-10, 1955. .

Mar. 11-19 .....

Mean 

discharge 

(cfs)

468 

528 

1,040 

646 

1,674 

2,004

1,263 

832 

789 

969 

661 

545

878 

2,244 

900 

711 

748 

796

Silica 

(Si02)

9.9 

9.9 

10 

9.8 

9.4 

11

11 

11 

11 

10 

9.8 

9.7

10 

10 

10 

9.8 

9.6 

10

Iron 

(Fe)

Calcium 

(Ca)

12 

12 

11 

11 

9.9 

8.0

9.0 

10 

10 

9.8 

11 

11

12 

8.1 

9.6 

11 

12 

11

Magnesium 

(Mg)

4.9 

4.9 

4.2 

4.6 

3.9 

3.0

3 3 

3 9 

4.1 

4.3 

4.4 

4.3

4.1 

3.2 

3.8 

4.2 

5.0 

4.7

Sodium 

(Na)

4.0 

3.5 

2.7 

3.3 

2.1 

2.2

2.3 

2.7 

2.2 

1.9 

2.8 

2.3

2.8 

2.2 

2.2 

3.4 

2.8 

2.7

Potassium 

(K)

1.5 

1.3 

1.1 

1.3 

1.3 

.6

.7 

1.1 

1.1 

.9 

1.2 

1.1

1.1 

1.0 

1.1 

1.1 

1.2 

1.5

Bicarbonate 

(HCOS )

36 

35 

34 

34 

32 

27

30 

29 

32 

25 

32 

33

32 

25 

26 

32 

30 

31

Sulfate 

(S04 )

31 

28 

22 

27 

19 

17

20 

25 

25 

28 

28 

26

28 

18 

24 

29 

31 

28

Chloride 

(Cl)

1.5 

1.0 

1.0 

1.2 

1.2 

1.2

1.4 

1.4 

1.5 

1.4 

1.7 

1.6

1.0 

1.0 

1.2 

1.1 

1.2 

1.1

Fluoride 

(F)

Nitrate 

(NO,)

1.1 

.9 

.8 

1.0 

1.0 

.5

.6 

.6 

.7 

.9 

.6 

.2

.7 

.6 

.9 

.6 

.9 

1.6

Boron 

(B)

0.06 

.03

.02 

.01

.01

.00 

.00
Apr. 8-12, 14-20

1955 .........

Apr. 13, 21-30 .

May 1-10

May 11-20 .....

May 21-31......

June 1-2, 4-9, 11-13

June 3, 10, 14-19,

25.............

June 20-24, 26-30

July 1-10 .......

July 11-20 ......

July 21-31.......

Aug. 1-10 ......

Aug. 11-20. .....

Aug. 21-31 ......

Sept. 1-2, 7-9, 11,

13-14, 27-28...

Sept. 3-4, 6, 10,

12, 16, 20-22,24

Sept. 5, 15, 17-19,

23, 25-26, 29-30

Weighted average

4,598

5,047

9,366

9,832

9,895

6,962

4,374

2,569

2,079

1,580

1,076

817

649

538

471

516

576

a 2, 299

11

9.3

9.9

9.8

9.7

9.1

9.8

9.6

11

11

10

12

13

11

8.8

9.5

9.7

10

8. 2

7.1

6.2

5.4

5.2

4.8

6.2

7.7

8.1

8.5

9.7

11

12

12

12

11

11

7.3

2.4

2.2

1.9

1.6

1.4

1.9

1.9

2 3

2.5

3.2 3 7 . (

4.1

4. 5

4.7

5.2

5.3

5.3

2.5

2.3

2.3

1.8

1.6

1.7

1.7

1.9

2 2

2!o

2.5

2.7 3

O 

. 0

3.6

3.8

5.4

4.0

2.8

2.1

1.4

1.3

1.4

1.5

1.2

1.4

1.9

2.1

1 9. &

1.2

1.4

1 Q i. y

2.0

1.6

1.4

1.4

1.3

1.4

26

23

22

20

19

20

23

24

26

29

on OU

09 OA

35

00 

O£

32

31

32

24

16

11

9.9

7.9

7.2

7.2

10

14

15

18

23

26

30

O9

OA

37

33

28

14

.5

.5

.5

.5

.2

.2

.5

.8

.5

.8

1.0

1.0

1.2

1.0

.8

1.0

.8

0.6

.7

.5

.8

.5

.5

.4

.7

.6

.6

.5

.7

.8

.8

1.1

.9

.9

.8

0.6

.05

__

.02

__

.04

__

.05

__

.00

__

--

.08

--

_.

a Represents 98 percent of runoff for water year October 1954 to September 1955.
366 PACIFIC SLOPE BASINS IN WASHINGTON AND UPPER COLUMBIA RIVER BASIN

SPOKANE RIVER BASIN--Continued

COEUR D'ALENE RIVER AT CATALOG, IDAHO--Continued 

Temperature (°F) of water, water year October 1954 to September 1955

Day

1

2

3

4

5

6

7

8

9

10

11

12

13

14

15

16

17

18

19

20

21

22

23

24

25

26

27

28

29

30

31

Average

Oct.

..

58

51

52

53

53

54

54

53

53

50

50

49

49

49

51

51

51

51

50

48

47

44

45

45

"

Nov.

_.

45

45

46

47

47

47

47

"

47

47

46

47

47

41

44

44

45

46

46

46

46

45

44

44

43

41

41

40

45

Dec.

38

37

41

41

42

42

41

41

39

40

_.

38

39

39

39

38

--

36

35

36

37

38

38

38

37

35

36

38

37

38

Jan.

..

37

37

36

35

36

37

37

37

37

36

37

36

37

36

38

38

36

37

37

._

38

38

39

40

39

39

38

38

39

37

Feb.

39

39

38

36

38

36

38

37

38

35

37

37

39

40

39

38

38

35

37

35

38

37

37

36

34

33

37

Mar.

35

36

35

35

34

35

36

40

40

37

38

38

39

40

39

41

41

41

40

39

40

39

40

39

41

42

42

42

39

Apr.

..

-.

--

--

--

_

45

42

43

42

41

42

41

41

41

42

43

44

45

45

43

43

43

44

44

43

45

45

46

"

May

47

46

45

47

46

47

45

46

46

47

47

43

43

44

47

46

48

49

49

45

46

47

49

46

46

50

47

48

46

46

June

49

48

52

50

52

54

54

54

55

57

..

56

57

51

56

56

54

55

58

61

64

64

59

59

57

58

59

54

53

53

--

55

July

52

54

55

56

59

57

53

59

59

60

60

59

61

67

62

70

67

68

66

67

67

69

72

70

64

64

61

62

57

57

--

62

Aug.

67

65

63

64

66

67

66

65

65

65

65

66

66

65

64

64

65

65

65

_

64

64

64

62

64

62

__

64

63

63

65

Sept.

62

63

64

65

63

63

63

63

63

62

59

58

57

52

51

56

57

57

55

54

53

53

53

54

53

52

53

52

58
COLUMBIA RIVER MAIN STEM 

COLUMBIA RIVER AT GRAND COULEE DAM, WA

LOCATION. At Grand Coulee Dam, Grant-Okanogan County line, 2,500 feet upstream from gaging statio

DRAINAGE AREA. 74,100 square miles (above gaging station).

RECORDS AVAILABLE. Chemical analyses: November 1950 to September 1955.

Water temperatures: November 1950 to September 1955. 

EXTREMES, 1954-55. Dissolved solids: Maximum, 111 ppm Apr. 11-20, 21-30; minimum, 75 ppm Sept. 

Specific conductance: Maximum daily, 193 micromhos Apr. 24, 25; minimum daily. 123 micromhos S

Water temperatures: Maximum, 61°F on several days during October; minimum, 35 F Mar. 31, Apr. 

EXTREMES, 1950-55.--Dissolved solids: Maximum, 111 ppm Apr. 11-20, 21-30, 1955; minimum, 75 ppm 

Specific conductance: Maximum daily, 193 micromhos Apr. 24, 25, 1955; minimum daily, 123 micro

Water temperatures: Maximum, 65°F Aug. 19, 1951; minimum, 35°F on several days during March an

REMARKS. Values reported for dissolved solids are residues on evaporation. Records of specific 

Portland, Oreg. Records of discharge for water year October 1954 to September 1955 given in W

Chemical analyses, in parts per million, water year October 1954 

Date of collection

Oct. 1-10, 1954...

Jan. 1-10, 1955...

Mar. 11-20 ...... 

Mar. 21-31.......

Apr. .1-10 ........

Mean 

discharge 

(cfs)

67,690 

65,820 

63,600 

65,460 

59,880 

69,980

67,560 

63,180 

62,350 

58,720 

65,990 

65,040

69,290 

68,920 

78,210 

80,720 

79,610 

77,450

71,370 

71,290 

71,890

Silica 

(Si02)

4.7 

4.9

4.5 

6.7

7.5

8.8 

8.8

8.9

Iron 

(Fe)

Calcium 

(Ca)

21

21

23

22

22

24 

24 

26

25

Magnesium 

(Mg)

4.0

3.9

2.8

4.2

4.2

4.6 

4.1 

4.4

5.2

Sodium 

(Na)

1.5

1.6

1.7

2 2

2.1

2.1 

2.3 

3.6

3.4

Potassium 

(K)

--

-

-

-

-

"

-

Bicarbonate 

(HCOS )

74

72

74

77

76

81 

83 

86

92

Sulfate 

(S04 )

11

12

14

13

13

16 

16

17

Chlorids 

(Cl)

1.1

1.2

1.1

1.5

1.8

2.0 

1.5

1.2

Fluoride 

(F)

Nitrate 

(N03 )

0.9 

.9

1.1 

1.3

.9

1.0 

.9

1.0

Boron 

(B)

0.06 

.06

.03

.00 

.08
COLUMBIA RIVER MAIN STEM Continued 

COLUMBIA RIVER AT GRAND COULEE DAM, WASH. Co

Chemical analyses, in parts per million, water year October 1954 to Se

Date of collection

May 1-10, 1955 ...

Sept. 21-30 ......

Weighted average

Mean 

discharge 

(cfs)

70, 820 

68,830 

85,310

208,800 

289,300 

374,000 

332,900 

308,800 

262,800

184,900 

124, 400 

95,620 

74,870 

71,870 

70,680

113,000

Silica 

(Si08)

10

11 

7.4

8.7 

5.3

--

Iron 

(Fe)

Calcium 

(Ca)

22

19

18

18

18

Magnesium 

(Mg)

5.1

3.8

3.7

3. 8

4.4

Sodium 

(Na)

3.3

2.6

1.9

1.8

1.5

Potassium 

(K)

--

--

--

1.3

1.1

Bicarbonate 

(HCOS)

85

72

69

70

66

Sulfate 

(S04 )

15

11

9.7

9.2

9.4

Chloride 

(Cl)

1.2

.8

.2

. 5

.2

Fluoride 

(F)

Nitrate 

(NO,)

0.6

.6 

.8

.8 

.7

-

Boron 

(B)

0.04

.06 

.02

-
COLUMBIA RIVER BASIN 

COLUMBIA RIVER MAIN STEM Continued 

COLUMBIA RIVER AT GRAND COULEE DAM, WASH. Continued

Temperature (°F) of water, water year October 1954 to September 1955 

/Once -daily measurement at approximately 10 a. mj

369

Day

1

2

3

4

5

6

7

8

9

10

11

12

13

14

15

16

17

18

19

20

21

22

23

24

25

26

27

28

29

30

31

Average

Oct.

60

60

60

61

61

61

61

61

61

61

61

60

60

60

60

60

60

60

60

60

60

60

60

60

60

59

59

58

58

57

57

60

Nov.

57

57

57

57

57

57

58

58

57

57

57

57

x 57

57

56

56

56

56

56

56

56

56

55

54

54

54

54

54

94

94

56

Dec.

54

94

54

54

54

54

54

53

53

52

51

51

50

50

50

50

50

49

49

48

48

48

48

48

48

47

47

47

47

47

48

50

Jan.

48

48

48

47

47

47

47

47

46

46

45

45

45

45

45

45

46

46

46

45

45

45

45

44

44

44

43

44

43

43

42

45

Feb.

42

42

42

42

42

42

42

42

42

41

40

40

40

39

39

39

39

39

39

39

39

39

39

39

39

39

38

38

40

Mar.

38

38

38

38

38

38

38

38

38

39

39

39

39

39

39

39

39

38

39

39

39

37

37

37

37

37

37

36

36

35

38

Apr.

35

35

35

35

36

37

37

36

36

36

36

36

36

37

37

37

38

38

38

39

39

39

39

39

39

39

39

39

39

39

--

37

May

40

40

42

43

44

44

44

44

44

44

44

44

45

45

44

45

46

46

46

46

46

46

46

46

46

46

46

46

47

46

47

45

June

46

47

47

47

47

48

48

48

48

49

49

49

49

49

49

49

49

49

50

50

50

50

51

51

51

52

52

53

53

53

49

July

53

53

53

53

53

53

53

53

53

53

53

53

53

53

53

53

53

53

52

53

53

54

54

54

54

54

58

58

58

57

57

54

Aug.

56

56

56

56

56

56

56

56

56

56

57

57

58

58

58

58

59

59

59

59

59

59

59

59

59

59

59

59

58

58

59

58

Sept.

59

59

59

59

59

58

58

58

58

58

58

59

59

59

59

59

59

59

59

59

59

59

59

59

59

59

59

59

59

59

--

59
YAKIMA RIVER BASIN 

YAKIMA RIVER AT CLE ELUM, WASH.

LOCATION. At gaging station at Cle Elum, Kittitas County, just upstream from Roslyn Creek and 7 mi

DRAINAGE AREA. 500 square miles, approximately.

RECORDS AVAILABLE. Chemical analyses: February 1910 to January 1911, December 1952 to September 1

Water temperatures: December 1952 to September 1955. 

EXTREMES, 1954-55. Dissolved solids: Maximum, 52 ppm Mar. 1-10; minimum, 27 ppm Aug. 11-20, 21-31

Hardness: Maximum, 28 ppm Nov. 11-20, Mar. 1-10; minimum, 18 ppm Aug. 11-20.

Specific conductance: Maximum daily, 75.8 micromhos Mar. 5, 10; minimum daily, 43.6 micromhos Au

Water temperatures: Maximum, 59°F July 23; minimum, freezing point Feb. 18, Mar. 2, 4, 5, 6. 

EXTREMES, 1952-55. Dissolved solids: Maximum, 52 ppm Oct. 21-31, 1953, Apr. 1-10, 1954; Mar. 1-10

Hardness: Maximum,35 ppm Nov. 11-21, 1953; minimum, 17 ppm Sept. 21-30, 1954.

Specific conductance: Maximum daily, 89.5 micromhos Nov. 12, 1953; minimum daily, 42.3 micromhos 

Water temperatures: Maximum, 61°F July 12, 18, 1953; minimum, freezing point on many days during 

REMARKS. Values reported for dissolved solids are residues on evaporation. Records of specific co

at Portland, Oreg. Discharge records for water year October 1954 to September 1955 given in WSP 

Chemical analyses, in parts per million, water year October 1954 t

Date of collection

Oct. 1-10, 1954...

Jan. 1-10, 1955...

Mar. 21-31 .......

Mean 

discharge 

(cfs)

1,886 

908 

1,331 

536 

284 

598

702 

393 

468 

396 

479

826 

746 

359 

348 

405 

992

Silica 

(Si02)

Iron 

(Fe)

Calcium 

(Ca)

5.2 

5.6 

5.4 

6.6 

7.9 

7.5

6.7 

7.1 

7.1 

6.9 

6.9

6.9 

6.9 

7.5 

7.9 

7.5 

6.7

Magnesium 

(Mg)

1.4 

1.6 

1.4 

2.2 

1.9 

1.3

1.5 

1.9 

1.9 

2.2 

1.8

1.7 

1.8 

2.0 

1.9 

2.0 

1.8

Sodium 

(Na)

1.7 

2.1 

2.1 

2.5 

2.7 

2.7

2.3 

2.5 

2.2

2! 8

2.5 

2.6 

2.9 

2.9 

2.7 

2.4

Potassium 

(K)

Bicarbonate 

(HCOS)

26 

30 

28 

36 

38 

34

32

36 

35 

35 

36

33 

34 

41 

40 

38 

33

Sulfate 

(S04 )

1.1 

1.2 

1.2 

1.4 

1.4 

1.6

1.5 

1.4 

1.9 

1.2 

1.6

1.4 

1.6 

1.5 

1.6 

1.5 

1.6

Chloride 

(Cl)

1.0 

.5 

.5 

.5 

1.0 

1.0

1.2 

.8 

.8 

1.2 

1.8

1.0 

1.0 

1.5 

1.2 

1.5 

1.0

Fluoride 

(F)

Nitrate 

(NO,)

0.4 

.4 

.3 

.5 

.4 

.4

.3 

.4 

.3 

.3 

.3

.6 

.5 

.4 

.4 

.4 

.5

Boron 

(B)

0.05 

.01

.05 

.04

.01 

.06
Apr. 1-10, 1955 ..

July 11-20 .......

Sept, 11-20 ......

Sept. 21-30. .......

Weighted average

1,366

1,947

1,709

6.6

6.4

6.9

4.6

5.0

5.7

1.8

1.5

1.4

1.7

1.8

1.6

1.8

1.8

1.6

2.4

2.1

2.3

2.9

2.5

.7

.6

.5

1.8

1.7

1.9

34

28

31

35

32

27

27

26

25

26

26

27

29

.5

.4

.4

.4

1.0

.9

1.4

1.2

1.2

1.0

1.0

1.0

1.0

1.0

.8

.8

.8

.5

.5

.5

0.9

.5 

.4

.5

.7

.6

.9

1.2

1.0

.4

.8

.4

.7

.6

.6

0.6

.02

.04

.01

.00

.02
372 PACIFIC SLOPE BASINS IN WASHINGTON AND UPPER COLUMBIA RIVER BASIN

YAKIMA RIVER BASIN Continued

YAKIMA RIVER AT CLE ELUM, WASH. Continued

Temperature (°F) of water, water year October 1954 to September 1955

Day

1

2

3

4

5

6

7

8

9

10

11

12

13

14

15

16

17

18

19

20

21

22

23

24

25

26

27

28

29

30

31

Average

Oct.

50

49

52

51

~

51

51

52

50

--

52

50

48

49

48

48

50

47

48

47

49

47

46

47

44

44

44

44

45

45

48

Nov.

44

44

48

48

47

46

46

45

45

45

43

44

47

45

43

45

45

43

43

42

42

41

42

41

39

39

37

44

Dec.

36

35

36

38

41

40

38

39

39

38

38

38

_

38

37

37

..

33

33

_

_

Jan.

37

38

38

35

36

35

36

35

36

37

38

38

38

38

38

37

36

36

35

36

36

39

42

36

36

37

36

36

36

37

--

37

Feb.

35

36

38

37

39

36

39

34

34

33

..

33

35

_

35

35

33

32

33

33

34

36

38

37

34

33

35

_

..

--

35

Mar.

-.

32

33

32

32

31

34

38

35

34

36

34

35

34

34

34

37

35

34

37

37

35

35

35

37

37

38

37

37

35

Apr.

37

37

36

36

36

36

38

39

38

38

38

37

37

37

37

37

37

38

38

39

_

38

38

39

38

38

41

39

38

May

40

41

40

39

40

40

40

41

41

44

_

41

40

40

42

42

47

44

44

43

42

42

42

43

43

43

43

43

41

43

43

42

June

43

45

45

46

45

45

45

45

45

47

49

50

49

48

48

48

49

49

49

52

51

51

50

51

51

51

51

51

48

July

50

50

51

50

50

51

52

51

54

52

52

53

55

57

58

58

56

56

56

56

56

58

59

57

57

_

57

56

57

56

55

Aug.

58

49

48

49

49

49

49

._

48

48

49

49

49

43

49

50

49

49

50

51

50

51

50

50

51

50

51

_

_

51

50

Sept.

..

52

53

53

54

53

52

54

54

54

55

53

53

54

54

54

54

54

54

52

_.

52

51

54

56

54

54

53

53
YAKIMA RIVER BASIN Continued

YAKIMA RIVER AT KIONA, WASH.

LOCATION. At highway bridge just downstream from gaging station at Kiona, Benton County, 3i miles 

upstream from mouth.

DRAINAGE AREA.--5,600 square miles, approximately. 

RECORDS AVAILABLE.--Chemical analyses: December 1952 to September 1955.

Water temperatures: December 1952 to September 1955. 

EXTREMES, 1954-55. Dissolved solids: Maximum, 219 ppm Sept. 21-30; minimum, 85 ppm June 10-17, 2

Hardness: Maximum, 125 ppm Sept. 21-30; minimum, 44 ppm June 10-17, 24-26.

Specific conductance: Maximum daily, 387 micromhos Sept. 29; minimum daily, 112 micromhos June 

Water temperatures: Maximum, 78°F July 23, 30; minimum, 35°F Dec. 20, 27. 

EXTREMES, 1952-55.--DissolVed solids: Maximum, 236 ppm Sept. 11-20, 1953; minimum, 85 ppm June 10

Hardness: Maximum, 145 ppm Sept. 11-20, 21-30, 1953; minimum, 44 ppm June 10-17, 24-26, 1955.

Specific conductance: Maximum daily, 387 micromhos Sept. 29, 1955; minimum daily, 112 micromhos 

Water temperatures: Maximum, 78°F July 18, Aug. 15, 1953, Aug. 5, 1954, July 23, 30, 1955; mini

REMARKS. Values reported for dissolved solids are residues on evaporation. Records of specific c

at Portland, Oreg. Discharge records for water year October 1954 to September 1955 given in WS

Chemical analyses, in parts per million, water year October 1954 to S

Date of collection

Oct. 1-10, 1954...

Nov. 1-10........

Dec. 1-13........

Jan. 1-10, 1955... 

Jan. 11-20 .......

Jan. 21-31 .......

Feb. 1-9, 19-28 ..

Mar. 1-10. .......

Mar. 11-20. ......

Apr. 1-10........

Apr. 21-30.......

May 1-3, 17-19, 

27-30..........

Mean 

discharge 

(cfs)

2,933 

2,773 

3,898 

3,338 

2,932 

3,680

3,115 

2,284 

2,405 

2,171 

2,109

2,093 

3,153 

1,788 

1,747 

2,086

2,314 

1,998 

1,682

2,581

Silica 

(Si02)

Iron 

(Fe)

Calcium 

(Ca)

27 

27 

22 

22 

24 

20

23 

23 

23 

25 

24

23 

18 

24 

25 

22

19 

20 

23

24

Magnesium 

(Mg)

8.8 

9.3 

8.2 

7.7 

8.4 

7.0

8.6 

8.8 

7.4 

7.6 

8.4

8.3 

6.1 

9.4 

8.8 

7.3

6.9 

7.8 

8.6

8.0

Sodium 

(Na)

19 

19 

16 

16 

17 

14

15 

16 

15 

16 

16

16 

11 

17 

15 

14

12 

12 

16

16

Potassium 

(K)

Bicarbonate 

(HCO,)

149 

154 

127 

126 

136 

111

126 

108 

123 

130 

131

128 

95 

135 

131 

118

108 

110 

126

131

Sulfate 

(S04 )

17 

17 

14 

15 

16 

12

15 

16 

15 

16 

16

15 

10 

16 

15 

13

12 

13 

18

16

Chloride 

(Cl)

6.0 

5.8 

5.5 

5.5 

5.8 

4.5

5.2 

5.5 

6.0 

6.0 

6.2

6.2 

4.5 

6.5 

6.0 

5.0

4.8 

4.2 

5.5

4.8

Fluoride 

(F)

Nitrate 

(NO,)

1.7 

2.0 

1.8 

1.5 

1.9 

1.8

2.7 

2.5 

2.1 

2.3 

2.5

2.0 

2.0 

2 3 

2!o 

2.3

1.9 

2.0 

2.0

2.7

Boron 

(B)

0.05 

.08

.04 

.05

.02 

.08

.02
YAKIMA RIVER BASIN--Continued

YAKIMA RIVER AT KIONA, WASH.--Continued

Chemical analyses, in parts per million, water year October 1954 to Septem

Date of collection

May 4, 7-8, 11-13, 

16, 20, 26, 31, 

1955.. ...........

May 5-6, 9-10, 14- 

15, 21-25 ........

June 1-6, 22, 29-30. 

June 7-9, 18-21, 23, 

27-28

June 10-17, 24-26 . . 

July 1-10....... ...

July 11-20.........

Aug. 1-10 ......... 

Aug. 11-20 ........

Aug. 21-31 ........

Sept. 1-10...... ...

Sept. 11-20........

Sept. 21-30........

Weighted average .

Mean 

discharge 

(cfs)

3,074 

4,016 

4,747

7,551 

12,490 

4,928 

3,584 

2,197

2,045 

1,640 

1,747 

1,964 

2,162 

2,060

3,068

Silica 

(Si02)

Iron 

(Fe)

Calcium 

(Ca)

21

17 

17

13 

11 

17 

19 

27

28 

31 

30 

30 

30 

32

21

Magnesium 

(Mg)

6.9 

6.2 

6.2

4.8 

4.1 

6.2

6.7 

9.0

11 

11 

11 

11 

12 

11

7.4

Sodium 

(Na)

13 

10 

11

8.6 

6.9 

11 

I? 

19

20 

22 

22 

21 

21 

23

14

Potassium 

(K)

Bicarbonate 

(HCO,)

116 

96 

100

76 

62 

96 

107 

150

159 

174 

170 

170 

172 

176

115

Sulfate 

(S04 )

13 

10 

9.8

6.9 

5.8 

9.9 

11 

18

19 

22 

21 

20 

21 

23

13

Chloride 

(Cl)

4.2 

3.2 

3.5

2.2 

1.8 

3.5 

4.0 

5.8

6.0 

6.2 

6.2 

6.1 

6.9 

7.4

4.6

Fluoride 

(F)

Nitrate 

(NO,)

2.4 

2.4

1.9

2.0 

2.2 

1.7 

1.9 

2.2

1.9 

1.6 

1.9 

2.0 

2.1 

1.9

2.1

Boron 

(B)

0.09

.05 

.01

.02 

.02

-
YAKIMA RIVER BASIN

YAKIMA RIVER BASIN Continued

YAKIMA RIVER AT KIONA, WASH. Continued

Temperature (°F) of water, water year October 1954 to September 1955

375

Day

1

2

3

4

5

6

7

8

9

10

11

12

13

14

15

16

17

18

19

20

21

22

23

24

25

26

27

28

29

30

31

Average

Oct.

52

57

57

56

52

51

59

57

58

--

51

--

55

54

54

54

--

55

54

53

53

54

52

--

50

49

49

48

48

-.

48

53

Nov.

58

49

48

48

48

49

50

50

52

--

51

52

50

50

50

49

50

51

52

51

49

49

48

47

48

48

46

45

43

42

--

49

Dec.

40

39

40

40

41

42

41

41

40

39

39

39

40

41

41

40

40

37

36

35

36

37

36

36

37

37

35

36

40

41

42

39

Jan.

42

40

39

37

38

37

36

38

36

37

37

38

38

39

39

38

38

37

39

39

39

38

38

38

38

37

38

38

38

39

39

38

Feb.

._

._

.-

40

40

41

40

39

42

39

36

38

39

40

41

42

40

40

40

39

41

43

42

43

41

39

40

39

..

._

--

40

Mar.

40

41

39

36

37

41

43

45

46

44

43

44

43

41

46

46

47

48

47

47

46

46

46

49

49

45

46

47

49

49

50

45

Apr.

50

50

49

49

52

54

56

59

55

55

52

49

49

51

57

49

49

51

51

51

51

54

53

__

58

50

52

54

55

58

--

53

May

58

59

60

61

61

61

61

61

61

61

61

61

59

54

54

54

58

64

68

61

61

58

58

59

58

61

62

63

61

61

60

June

61

64

60

68

68

68

65

65

65

65

65

64

63

61

60

61

60

63

64

65

68

68

66

64

63

65

65

64

_

62

--

64

July

60

-.

63

65

65

63

66

66

65

--

69

71

74

75

76

76

74

72

.-

74

76

74

78

76

75

68

72

._

72

78

74

71

Aug.

75

74

74

74

75

76

75

74

75

76

76

75

73

74

74

75

74

75

75

73

73

73

73

72

70

70

__

71

71

71

72

74

Sept.

73

73

73

73

73

72

72

68

--

70

65

69

65

68

60

63

62

63

65

"

61

60

-.

60

61

63

59

60

63

63

--

66
PART 13. SNAKE RIVER BASIN

SNAKE RIVER MAIN STEM 

SNAKE RIVER NEAR HEISE, IDAHO

LOCATION. At Eagle Rock canal headgate, 11 miles upstream from Heise, Bonneville County, i 5/8 mi

downstream fr«i gaging station, about 4j miles east of Ririe, and about 21 miles upstream from 

DRAINAGE AREA.--5,752 square miles (above gaging station). 

RECORDS AVAILABLE. Chemical analyses: January 1953 to September 1955.

Water temperatures: January 1953 to September 1955.

EXTREMES, 1954-55. Dissolved solids: Maximum, 369 ppm Dec. 21-31; minimum, 162 ppm July 11-20. 

Hardness: Maxiama, 276 ppm Feb. 1-10, 11-19, 20-28; minimum, 117 ppm July 21-31, Aug. 1-10. 

Specific conductance: Maximum daily, 635 micromhos Jan. 9; minimum daily, 241 micromhos June 2

Water temperatures: Maximum, 67°F July 19; minimum, freezing point on many days from November 

EXTREMES, January 1953 to September 1955.--Dissolved solids: Maximum, 369 ppm Dec. 21-31, 1954; 

Hardness: Maximum, 276 ppm Feb. 1-10, 11-19, 20-28, 1955; minimum, 117 ppm July 21-31, Aug. 1-

Specific conductance: Maximum daily, 635 micromhos Jan. 9, 1955; minimum daily 240 micromhos J

Water temperatures: Maximum, 67°F July 19, 1955; minimum, freezing point on many days during w

REMARKS.--Values reported for dissolved solids are residues on evaporation. Records of specific 

at Salt Lake City, Utah. Records of discharge for water year October 1954 to September 1955 g

streamflow of 5,000,000 acre feet is diverted by Anderson canal between sampling point and gag

except for leakage through the headgate. No other diversion or appreciable inflow between sam

local rains.

Chemical analyses, in parts per million, water year October 195

Date of collection

Oct. 1-10, 1954..

Dec. 11-20 ......

Dec. 21-31 ......

Jan. 1-10, 1955..

Jan. 21-31.......

Mar. 1-10.......

Mar. 11-20 ..... 

Mar. 21-31......

M*a*

dJsekwge 

<rf»)

8,218 

S,117 

1,883 

2,880 

1,873 

J,S«4

1,867 

1,176 

2, 192 

S,1M 

1,184 

1,141

1,111 

2,159 

2,176 

2,152 

2,193 

2.084

Silica 

(Si02)

11 

10 

9.6 

10 

12 

9.5

12 

12 

12 

11 

11 

11

13 

13 

13 

12 

12 

13

Iron 

(Fe)

0.02

Calcium 

(Ca)

84 

69 

70 

71 

72 

73

71 

75 

77 

74 

76 

W

76 

76 

76 

75 

74 

72

Magnesium 

(Mg)

18 

19 

18 

19 

19 

20

19 

20 

20 

20 

19 

19

21

21 

21 

21 

20 

21

Sodium 

(Na)

14 

14 

14 

14 

14 

14

17 

17 

18 

18 

18 

17

17 

17 

17 

17 

17 

18

Potassium 

(K)

2.0 

2.0 

2.0 

2.0 

2.1 

2.1

2.8 

2.8 

2.8 

2.9 

3.3 

2.5

2.4 

2.4 

2.4 

2.4 

2.4 

2.1

Bicarbonate 

(HCO.)

202 

209 

207 

214 

215 

215

218 

226 

228 

224 

227 

21§

222

218 

224 

222 

218 

218

Sulfate 

(SO,)

74 

80 

81 

81 

80 

83

83 

85 

92 

87 

86 

86

93 

98 

98 

92 

91 

88

Chloride 

(Cl)

18 

18 

19 

20 

20 

20

20 

22 

22 

22 

22 

20

22 

23 

22 

23 

23 

24

Fluoride 

(F)

0.4

«itrate 

(NO,)

0.6 

.9 

.8 

.9 

1.0 

.7

.9 

1.0 

1.2 

1.0 

1.2 

.6

1.1 

1.1 

.9 

1.0 

.7 

1.0

Boron 

(B)

0.0

.1

.1

.05

0

0
Apr. 1-10, 1955 .. 

Apr. 11-20 .......

July 1-10.........

Sept. 11-20.......

Sept. 21-30 ......

Weighted average

2,204 

3,223

6,026

11,510

10,550

7,544

6,852

4,425

5,651

12 

9.0

14

15

16

20

14

14

68 

66

49

48

20 

18

13

12

18 

17

1 9

15

11

2.1 

2.1

.7

1.7

2.0

2.2

1.8

208 

205

124

165

156

83 

71

32

39

51

47

24 

22

8.0 9 e

13

11

.9 

1.1

.8

1.7

1.0

.7

1.3

1.2

1.0

1.2

1.1

.05

.10

-.
378 SNAKE RIVER BASIN 

SNAKE RIVER MAIN STEM--Continued 

SNAKE RIVER NEAR HEISE, IDAHO Continued 

Temperature (°F) of water, water year October 1954 to September 1955

Day

1

2

3

4

5

6

7

8

9

10

11

12

13

14

15

16

17

18

19

20

21

22

23

24

25

26

27

28

29

30

31

Average

Oct.

44

45

46

46

47

48

50

49

51

48

48

44

43

41

41

43

44

43

44

44

45

45

45

41

41

40

39

38

39

39

38

44

Nov.

38

38

38

38

37

38

36

36

38

39

42

41

44

47

40

41

39

39

39

40

39

38

37

38

39

34

31

31

--

38

Dec.

32

33

34

33

34

32

34

32

31

32

32

32

32

32

33

32

32

32

32

32

..

32

33

33

33

32

32

32

32

32

32

32

Jan.

33

32

32

32

32

32

32

32

32

32

32

33

32

32

32

32

33

32

32

32

32

32

32

33

33

32

33

34

32

Feb.

33

32

32

33

..

33

34

32

32

32

33

32

33

32

32

34

33

32

32

34

33

34

32

34

34

34

34

--

33

Mar.

34

35

34

33

32

33

34

34

35

36

36

35

34

34

33

35

36

36

33

34

35

35

36

35

34

34

42

39

41

40

35

Apr.

41

43

39

42

36

38

40

40

43

44

40

42

40

42

40

43

45

44

42

39

44

43

44

44

45

41

46

38

44

45

42

May

48

46

44

46

49

51

50

50

46

46

46

48

47

46

44

42

43

45

49

51

51

49

47

46

45

45

45

44

47

52

47

47

June

46

45

44

45

47

50

56

56

58

55

56

47

48

51

49

48

53

54

53

56

..

57

57

57

55

58

57

56

53

--

53

July

52

54

56

56

59

58

56

56

59

57

58

58

58

59

60

61

66

64

67

64

60

61

64

62

66

63

64

62

61

61

62

60

Aug.

64

65

64

63

63

62

62

63

64

62

61

63

62

62

62

63

62

58

60

61

62

61

62

61

61

61

60

60

59

60

60

62

Sept.

59

59

57

59

60

60

60

60

57

56

56

57

55

58

55

55

54

53

55

53

52

49

50

50

50

49

49

49

47

47

--

54
HENRYS FORK BASIN

HENRYS FORK NEAR REXBURG, IDAHO

LOCATION. Temperature recorder at gaging station, 200 feet downstream from highway bridge, do

Rexburg, Madison County.

DRAINAGE AREA. 2,920 square miles, approximately.

RECORDS AVAILABLE. Water temperatures: October 1953 to September 1955.

EXTREMES, 1954-55. Water temperatures: Maximum, 77°F July 17-19; minimum, freezing point on 

EXTREMES, 1953-55. Water temperatures: Maximum, 77°F July 17-19, 1955, minimum, freezing poi

REMARKS. Records of discharge for water year October 1954 to September 1955 given in WSP 1397

Temperature (°F) of water, water year October 1954 to Septe

Day

2. ..................

3. ..................

4. ..................

5. ..................

6. ..................

7. ..................

8. ..................

9. ..................

10...................

11...................

12...................

13...................

14. ..................

15. ..................

16. ..................

17...................

18. ..................

19...................

20. ..................

21...................

22. ..................

23...................

24. ..................

25...................

26...................

27...................

28. ..................

29

30. ..................

31...................

October

max

52 

51. 

52 

51 

52

54 

54 

54 

54 

53

51 

49 

47 

47 

46

47 

47 

47 

47 

47

47 

48 

48 

46 

42

42 

42 

41 

41 

41 

41

48

min

49 

50 

49 

49 

48

50 

51 

52 

53 

50

49 

46 

45 

45 

44

45 

47 

45 

46 

46

46 

47 

46 

42 

41

41 

41 

40 

40 

40 

40

46

November

max

41 

41 

41 

41 

40

40 

40 

40 

40 

41

41 

43 

43 

43 

43

43 

43 

41 

41 

41

41 

40 

40 

40 

40

40 

38 

36 

34 

33

40

min

40 

40 

40 

40 

40

40 

40 

39 

39 

40

40 

41 

43 

42 

42

43 

41 

40 

41 

41

40 

40 

40 

40 

39

38 

36 

34 

33 

33

40

December

max

33 

33 

33 

34 

34

34 

34 

34 

33 

33

33 

33 

33 

33 

33

33 

33 

33 

33 

33

33 

33 

33 

33 

33

33 

33 

33 

33 

33 

32

33

min

33 

33 

33 

33 

34

34 

34 

33 

33 

33

33 

33 

33 

33 

33

33 

33 

33 

33 

33

33 

33 

33 

33 

33

33 

33 

33 

33 

32 

32

33

January

max

32 

32 

32 

32 

32

32 

32 

32 

32 

32

32 

32 

32 

32 

32

32 

32 

32 

32 

32

32 

32 

32 

32 

32

32 

32 

32 

32 

32 

32

32

min

32 

32 

32 

32 

32

32 

32 

32 

32 

32

32 

32 

32 

32 

32

32 

32 

32 

32 

32

32 

32 

32 

32 

32

32 

32

OO

<j£

32 

32 

32

32

February

max

32 

32 

32 

093£

32

32 

32 

32 

32 

32

32 

32 

32 

32 

32

32 

32 

32 

33 

33

33 

33

09

<j£

32 

32

32 

32 

32

32

min

32 

32 

32 

32 

32

32 

32 

32 

32 

32

32 

32 

32 

32 

32

32 

32 

32 

32 

33

33 

32 

32 

32 

32

32 

32 

32

32

March

max

32 

32 

32 

32 

33

33 

33 

32 

32 

32

32 

32 

32 

33 

33

33 

33 

33 

33 

33

33 

33 

33 

34 

34

34 

34 

34 

34 

36 

37

33

min

32 

32 

32 

32 

32

33 

32 

32 

32 

32

32 

32 

32 

32 

33

33 

33 

32 

32 

33

33 

33 

33 

33 

33

33 

34 

34 

34 

34 

36

33

April

max

39 

39 

37 

37 

38

39 

40 

41 

42 

43

42 

43 

43

45 

45

43 

45 

45 

45 

43

45 

45 

45 

44 

49

49 

45 

44 

51 

54

44

min

37 

37 

36 

36 

37

38 

39 

40 

41 

42

40 

42 

42 

43 

43

42 

43 

45 

43 

42

43 

45 

44 

44 

45

45 

44 

43 

43 

51

42
SNAKE RIVER MAIN STEM 

SNAKE RIVER AT KING HILL, IDAHO

LOCATION. At county highway bridge about 400 yards downstream from gaging station, which is 300 

and 20 miles downstream from Malad River. 

DRAINAGE AREA. 35,800 square miles, approximately. 

RECORDS AVAILABLE. Chemical analyses: March 1951 to September 1955.

Water temperatures: March 1951 to September 1955. 

EXTREMES, 1954-55. Dissolved solids: Maximum, 351 ppm Aug. 11-20; minimum,306 ppm May 1-10.

Hardness: Maximum, 218 ppm Jan. 21-31, Feb. 1-10; minimum, 180 ppm May 1-10, 11-20, 21-31.

Specific conductance: Maximum daily, 577 micromhos Oct. 12; minimum daily, 461 micromhos Apr. 

Water temperatures: Maximum, 73°F Aug. 2; minimum, 42°F Jan. 18. 

EXTREMES, 1951-55. Dissolved solids: Maximum, 359 ppm Sept. 1-10, 1952; minimum, 252 ppm May 1-

Hardness: Maximum, 220 ppm Nov. 1-10, 21-30, 1953; minimum, 166 ppm May 1-10, 1952.

Specific conductance: Maximum daily, 594 micromhos Oct. 3, 1952; minimum daily, 394 micromhos 

Water temperatures: Maximum, 73°F Aug. 2, 1955; minimum, 41°F Jan. 3-6, Feb. 15, 1952.

REMARKS. Values reported for dissolved solids are residues on evaporation. Records of specific 

at Portland, Oreg. Records of discharge for water year October 1954 to September 1955 given i

Chemical analyses, in parts per million, water year October 1954 to 

Date of collection

Oct. 1-10, 1954... 

Oct. 11-20 .......

Nov. 1-10 ........

Nov. 11-20. ......

Dec. 1-20 ........

Jan. 1-10, 1955... 

Jan. 11-20. .......

Feb. 1-10 ........

Mar. 11-20..

Mar. 21-31.......

Mean 

discharge 

(cfs)

9,384 

11,490 

10, 960 

11,090 

10, 670 

10, 860

10,220 

9,754 

10,000 

10, 240 

9,966

9,615 

8,288 

8,193 

8,586 

9,885 

11. 140

Silica 

(Si02)

35 

37 

38 

37 

36 

35

36 

35 

35 

35 

38

38 

38 

38 

38 

40 

37

Iron 

(Fe)

Calcium 

(Ca)

48 

50 

50 

51 

52 

52

49 

49 

51 

50 

51

51 

50 

49 

48 

47 

48

Magnesium 

(Mg)

22 

22 

22 

21 

21 

21

20 

20 

20 

20 

22

22 

22 

22 

21

»o

20

Sodium 

(Na)

36 

38 

37 

35 

35 

35

34 

34 

34 

34 

32

32 

32 

32 

32 

33 

32

Potassium 

(K)

4.9 

4.0 

4.0 

4.0 

4.0 

4.0

4.6 

4.6 

4.6 

4.6 

3.5

3.5 

3.6 

3.6 

3.6 

4.5 

4.5

Bicarbonate 

(HCO.)

228 

232 

228 

226 

226 

226

222 

223 

222 

218 

218

216 

212 

212 

212 

209 

213

Sulfate 

(S04)

61 

62 

62 

62 

63 

62

54 

55 

57 

57 

58

57 

58 

59 

58 

54 

54

Chloride 

(CD

28 

30 

29 

29 

29 

30

28 

28 

28 

30 

28

28 

28 

28 

29 

27 

28

Fluoride 

(F)

Nitrate 

(NO,)

4.7 

3.9 

3.1 

3.2 

4.0 

3.9

2.5 

2.6 

2.8 

3.0 

3.3

3.7 

3.9 

3.8 

4.0 

3.2 

3.3

Boron 

(B)

0.11 

, 13

.07

.12 

.10
Apr. 1-10, 1955... 

Apr. 11-20 .......

May 1-10.........

May 11-20........

May 21-31........

June 11-20 .......

June 21-30 .......

July 1-10.........

July 11-20........

July 21-31........

Aug. 1-10 ........

Aug. 11-20 .......

Aug. 21-31 .......

Sept. 1-10........

Sept. 21-30.......

Weighted average

12,020 

12, 650

8,503 7

QQQ

9,455

32 

36

38

36

45

44

48

48

47

17

1 Q

1Q

19

21

19

19

91

20

29

9Q

3 1

33

01

04

37

33

4.6

4 8

4 9

5

4

4 9

4.4

206

208

204

204

2 10

91 ft

991

99ft

994

216-

50

49

50

53

KA

56

26

nc

24

24

24

24

25

27

2.8 

2 9

2 

A

2 8

3 0

3 0

2

Q

2 9

2

Q

2 9

2

Q

2

Q

2

0

3 1

3 5

3

Q

3 2

f\Q

HASNAKE RIVER BASIN

SNAKE RIVER MAIN STEM--Continued

SNAKE RIVER AT KING HILL, IDAHO Continued

Temperature (°F) of water, water year October 1954 to September 1955

Day

1

2

3

4

5

6

7

8

9

10

11

12

13

14

15

16

17

18

19

20

21

22

23

24

25

26

27

28

29

30

31

Average

Oct.

56

57

57

57

57

58

58

59

59

58

58

57

55

55

55

56

56

56

56

55

55

57

55

54

53

53

53

53

53

53

53

56

Nov.

53

53

53

53

53

53

53

53

53

54

54

54

53

53

53

53

52

53

53

53

53

53

53

53

52

52

50

50

49

48

--

52

Dec.

48

47

49

50

50

49

_.

_.

..

--

..

_

._

__

--

..

__

__

__

"

44

47

47

46

45

45

45

45

..

45

48

--

Jan.

48

47

45

46

45

46

46

43

44

44

43

43

44

45

44

45

44

42

44

45

45

44

46

47

47

46

47

46

46

46

47

45

Feb.

46

46

45

46

45

44

46

47

47

46

46

47

45

47

49

49

48

47

47

45

45

46

47

49

48

48

49

49

_.

__

--

47

Mar.

49

50

49

48

49

47

47

48

48

49

49

50

50

49

48

49

49

50

48

48

49

47

48

49

49

49

49

49

52

50

52

49

Apr.

51

_.

48

49

49

51

51

49

49

49

48

48

49

50

51

50

52

52

51

51

52

52

53

53

53

52

52

52

53

55

--

51

May

53

50

55

55

58

59

60

60

61

61

62

61

60

58

55

57

58

64

63

63

60

63

58

58

58

59

60

61

60

--

59

June

58

59

61

62

63

64

65

65

66

67

66

66

67

66

64

64

65

64

66

67

69

69

69

65

65

66

66

65

61

62

--

65

July

62

65

64

64

64

64

63

65

63

63

64

65

67

66

69

70

70

70

71

70

71

70

71

70

70

70

69

67

68

68

68

67

Aug.

69

73

70

66

70

69

69

70

68

68

71

69

69

69

69

68

68

68

68

67

68

65

70

69

68

67

67

67

66

68

67

68

Sept.

67

66

66

66

67

67

66

66

65

65

65

64

64

64

63

63

64

62

60

61

60

60

60

60

58

60

59

59

59

60

--

63
BOISE RIVER BASIN 

BOISE RIVER AT NOTUS, IDAHO

LOCATION. At steel highway bridge 1,100 feet downstream from gaging station, a quarter of a mil

northwest of Caldwell. 

DRAINAGE AREA. 3,820 square miles, approximately. 

RECORDS AVAILABLE. Chemical analyses: January 1939 to January 1940, November 1950 to September 

Water temperatures: November 1950 to September 1955.

Sediment records: January 1939 to June 1940. 

EXTREMES, 1954-55. Dissolved solids: Maximum, 546 ppm May 8-11, 14; minimum 264 ppm June 1 11

Hardness: Maximum, 234 ppm Jan. 21-31; minimum, 109 ppm May 15-20, 26-31.

Specific conductance: Maximum daily, 924 micromhos May 10; minimum daily, 307 micromhos May 1

Water temperatures: Maximum, 83°F July 15, 17; minimum, 38°F Jan. 15, 18. 

EXTREMES, 1939-40, 1950-55. Dissolved solids: Maximum, 914 ppm Aug. 21-31, 1939; minimum, 77 p

Hardness: Maximum, 284 ppm July 21-31, 1939; minimum, 35 ppm June 11-20, 21-26, 1953. 

Specific conductance: Maximum daily, 1,470 micromhos July 30, Aug. 26, 1939; minimum daily, 8

Water temperatures, (1950-54): Maximum, 85°F on several days during summer months; minimum, 3

REMARKS. Values reported for dissolved solids are residues on evaporation. Records of specific 

office at Portland, Oreg. Records of discharge for water year October 1954 to September 1955 

Chemical analyses, in parts per million, water year October 19

Date of collection

Oct. 1-10, 1954 ..

Nov. 1-10 .......

Jan. 1-10, 1955 . .

Mean 

discharge 

(cfs)

412 

908 

831 

700 

688 

621

594 

550 

546 

566 

499 

472

456 

464 

475 

477 

461 

440

Silica 

(Si08)

30 

30 

36 

36 

36 

42

44 

44 

42 

42 

46 

44

42 

39 

37 

36 

35 

33

Iron 

(Fe)

Calcium 

(Ca)

41 

41 

51 

54 

53 

54

53 

54 

55 

54 

57 

66

61 

55 

52 

54 

52 

52

Magnesium 

(Mg)

12 

12 

16 

17 

16 

16

16 

16 

16 

17 

17 

17

16 

16 

15 

14 

14 

14

Sodium 

(Na)

68 

63 

80 

82 

82 

83

81 

84 

84 

81 

82 

82

82 

77 

77 

74 

77 

79

Potassium 

(K)

4.2 

3 9 

4!? 

4.7 

5.2 

4.8

4.8 

5.1 

5.4 

5.4 

4.8 

4.8

4.8 

4.8 

4.8 

4.1 

4.1 

4.1

Bicarbonate 

(HCOS )

240 

227 

284 

294 

288 

291

293 

295 

294 

287 

299 

329

316 

282 

271 

264 

266 

267

Sulfate 

(S04 )

77 

73 

99 

105 

110 

102

103 

102 

105 

104 

104 

103

104 

102 

100 

99 

101 

102

Chloride 

(CD

19 

17 

22 

24 

24 

23

24 

24 

24 

24 

25 

26

27 

25 

24 

24 

24 

24

Fluoride 

(F)

Nitrate 

(NO,)

4.1 

3.2 

3.4 

4.5 

4.5 

2.7

2.8 

2.1 

2.5 

2.2 

3.8 

3.1

3.7 

6.8 

6.9 

5.9 

4.1 

4.2

Bo

ron 

(B)

0.1

,2

.1

.1

.1

.1
BOISE RIVER BASIN--Continued

BOISE RIVER AT NOTUS, IDAHO Continu

Chemical analyses, in parts per million, water year October 1954 to S

Date of collection

Apr. 1-10, 1955.. 

Apr. 11-13, 15-18, 

28-30 ..........

Apr. 14, 19-27... 

May 1-7, 12-13, 

21-25 ..........

May 8-11, 14 .... 

May 15-20, 26-31.

June 1, 11-17, 29-30 

June 2-4, 6, 18-20, 

25-27 ...........

June 5, 7-10, 21-24 

28 ..............

July 1-7, 29-31.... 

July 12-17, 19-21,

July 8-11, 18,22-27

Aug. 1-2, 6-7, 

11-13, 24-26 .... 

Aug. 3, 15-18,20-23,

Aug. 4-5, 8-10, 14,

Sept. 1-10 ........

Sept. 11-20 .......

Sept. 21-30 .......

Weighted aver age.

Mean 

discharge 

(cfs)

381

128 

257

103 

29.6 

297

364 

170

91.6 

275

79.1 

132

153 

85.2

99.1 

159 

475 

409

386

Silica 

(Si02)

31

26 

29

28 

34 

26

28 

30

28 

31

35 

34

30 

37

33 

36 

32 

32

36

Iron 

(Fe)

Calcium 

(Ca)

48

42 

33

41 

52 

31

33 

37

43 

37

47 

44

43 

48

47 

44 

40 

42

49

Magnesium 

(Mg)

12

10 

8.8

9.7 

16 

7.6

6.9 

9.7

11 . 

9.2

13 

12

12 

14

12 

13 

11 

11

14

Sodium 

(Na)

75

62 

48

66 

106 

43

45 

63

79 

63

93 

81

76 

102

87 

85 

68 

72

75

Potassium 

(K)

4.2

3.6 

3.5

3.8 

5.7 

3.5

4.1 

4.3

4.9 

4.2

5.1 

4.8

4.6 

5.0

4.7 

4.6 

4.2 

4.2

4.6

Bicarbonate 

(HCO,)

257

230 

185

220 

288 

162

170 

204

237 

207

268 

247

244 

282

265 

262 

227 

241

265

Sulfate 

(SO,)

93

78 

54

78 

134 

48

49 

67

90 

65

108 

89

86 

115

102 

95 

74 

79

93

Chloride 

(Cl)

22

21 

14

22 

39 

13

12 

18

24 

15

28 

22

22 

30

26 

24 

18 

18

22

Fluoride 

(F)

Nitrate 

(NO,)

5.6

3.4 

3.7

3.6 

3.2 

3.1

4.6 

3.5

3.6 

3.3

3.8 

3.7

3.5 

3.6

3 3 

3!? 

3.9 

3.9

3. 8

Boron 

(B)

0.09 

.06

.0.9 

.06

.06 

.04

-
BOISE RIVER BASIN 

BOISE RIVER BASIN Continued 

BOISE RIVER AT NOTUS, IDAHO Continued 

Temperature (°f) of water, water year October 1954 to September 1955

385

Day

1

2

3

4

5

6

7

8

9

10

11

12

13

14

15

16

17

18

19

20

21

22

23

24

25

26

27

28

29

30

31

Average

Oct.

59

59

61

61

63

63

63

63

63

60

60

54

54

55

55

56

60

58

56

56

58

58

52

50

50

53

53

53

53

53

52

57

Nov.

55

55

55

53

55

53

51

51

63

63

54

55

52

54

53

54

50

53

52

52

54

52

52

52

50

49

48

48

46

45

53

Dec.

45

46

48

49

49

48

49

47

41

45

44

44

46

46

45

43

43

43

40

41

42

43

43

45

44

41

39

40

40

44

44

Jan.

46

44

43

43

43

43

42

40

40

41

41

44

44

46

38

42

40

38

44

43

44

43

44

40

44

43

40

43

43

40

44

42

Feb.

46

42

43

40

45

40

45

46

44

43

40

44

44

44

47

40

45

45

42

42

44

45

45

40

45

45

48

40

44

Mar.

45

51

45

45

43

46

48

50

50

47

50

52

50

47

45

49

52

50

48

46

58

52

49

53

52

55

50

50

50

51

59

50

Apr.

50

48

47

49

55

57

59

60

62

59

53

51

57

52

53

54

54

50

50

56

58

55

55

56

55

55

54

56

60

65

55

May

58

56

60

65

65

65

69

66

66

70

70

70

65

45

46

58

67

68

62

62

65

66

65

61

66

64

64

65

65

65

62

63

June

60

65

65

71

75

76

79

76

75

75

80

78

70

68

66

70

71

76

76

79

82

82

72

72

70

70

76

63

69

70

73

July

70

70

68

67

73

68

72

70

71

70

76

77

78

80

83

81

83

82

78

82

80

82

80

61

60

75

75

75

77

80

79

75

Aug.

79

79

75

78

79

79

80

78

79

79

80

79

76

78

78

79

78

76

78

75

77

78

78

76

75

75

75

74

76

75

74

77

Sept.

78

74

74

76

75

76

75

70

70

70

72

70

73

72

61

61

65

65

61

62

60

60

60

60

60

60

62

62

60

60

67
SNAKE RIVER MAIN STEM 

SNAKE RIVER NEAR CLARKSTON, WASH.

LOCATION. One mile downstream from gaging station, 1 mile upstream from Alpowa Creek, 8 miles dow

upstream from mouth.

DRAINAGE AREA. 103,200 square miles, approximately (above gaging station). 

RECORDS AVAILABLE-. Chemical analyses: November 1951 to September 1955.

Water temperatures: November 1951 to September 1955. 

EXTREMES, 1954-55. Dissolved solids: Maximum, 298 ppm Sept. 21-30; minimum, 76 ppm June 9-16, 18

Hardness: Maximum, 166 ppm Dec. 21-31; minimum, 34 ppm June 9-16, 18, 23.

Specific conductance: Maximum daily, 513 micromhos Dec. 23; minimum daily, 97.9 micromhos June 

Water temperatures: Maximum, 74°F July 23, 24, 25; minimum, 33°F Feb. 21, Mar. 4. 

EXTREMES, 1951-55. Dissolved solids: Maximum, 314 ppm Oct. 21-31, 1953; minimum, 76 ppm June 9-1

Hardness: Maximum, 176 ppm Oct. 21-31, 1953; minimum, 34 ppm June 9-16, 18, 23, 1955.

Specific conductance: Maximum daily, 529 micromhos Nov. 30, Dec. 3, 1952; minimum daily, 91.8 m

Water temperatures: Maximum, 74*F July 23, 24, 25, 1955; minimum, freezing point Jan. 14, 1952.

REMARKS. Values reported for dissolved solids are residues on evaporation. Records of specific c

office at Portland, Oreg. Records of discharge for water year October 1954 to September 1955 g

Chemical analyses, in parts per million, water year October 1954 

Date of collection

Oct. 1-10, 1954...

Jan. 1-10, 1955...

Mar. 21-31.......

Mean 

discharge 

(cfs)

23,110 

25, 580 

25, 550 

24,740 

25, 560 

25, 000

23, 880 

21,850 

20, 990 

23,070 

21,680 

21,460

21,840 

20, 790 

19, 590 

20, 220 

23, 090 

26. 380

Silica 

(Si02)

31 

32 

31 

31 

29 

31

30 

31 

34 

32 

32 

31

29 

30 

29 

27 

25 

24

Iron 

(Fe)

Calcium 

(Ca)

37 

36 

37 

37 

36 

37

37 

38 

42 

39 

40 

38

40 

35 

37 

36 

32 

31

Magnesium 

(Mg)

15 

15 

14 

15 

14 

13

14 

15 

15 

15 

15 

14

14 

12 

12 

12 

11 

12

Sodium 

(Na)

40 

39 

37 

36 

34 

32

34 

34 

33 

32 

32 

31

31 

29 

30 

30 

28 

27

Potassium 

(K)

4.1 

4.0 

3.9 

4.0 

3.7 

3.6

4.0 

4.0 

3 3 

3.3 

3.3 

3.3

3.3 

3.6 

3.6 

3.6 

3.6 

3.6

Bicarbonate 

(HCO,)

187 

181 

178 

187 

179 

174

181 

183 

190 

176 

186 

172

176 

164 

168 

168 

150 

149

Sulfate 

(SOJ

59 

59 

55 

54 

50 

49

52 

52 

56 

52 

52 

50

49 

46 

47 

45 

43 

42

Chloride 

(Cl)

18 

20 

18 

18 

18 

17

18 

19 

19 

18 

19 

18

18 

18 

19 

18 

18 

17

Fluoride 

(F)

Nitrate 

(NOS)

1.6 

2.1 

2.2 

2.6 

2.4 

2.5

2.7 

3.0 

2.3 

2.5 

2.1 

1.7

2.0 

1.2 

1.7 

1.3 

1.1 

1.1

Boron 

(B)

0.12 

.08

.06 

.08

.05 

.05
Apr. 1-10, 1955...

May 9-11,17-21,

May 12-15, 22-28 .

June 1-6, 26-30.. . 

June 7-8, 17,19-22,

June 9-16, 18, 23 .

Sept. 21-30 ......

Weighted average

43,810

95, 650

118,200 

92, 350

170, 400

34, 270

20, 980

21,740

42, 670

24

16 

16

14

30

22

27

19

12 

14

9.5

35

22

8.6

5 3

3.3 

3.7

2.4

13

1 9

13

7.5

21

13

8.6 

11

9 

A

7.6

01

35

19

2.0

2 3

2 

A

1.9 

2.4

2.1 2 9 4 9

4.4

2.8

121

89

58 

67

45

T)

ion

190

107

31

19

11

15

19

9.2 

19

QQ

QQ

44

27

12

9 2

4.0 

4.8

3.0

1 9

15

9.7

3.1

.8 

.8

.8

1

9

1.9

1.4

-
388 SNAKE RIVER BASIN

SNAKE RIVER MAIN STEM Continued

SNAKE RIVER NEAR CLARKSTON, WASH. Continued

Temperature (°F) of water, water year October 1954 to September 1955

Day

1

2

3

4

5

6

7

8

9

10

11

12

13

14

15

16

17

18

19

20

21

22

23

24

25

26

27

28

29

30

31

Average

Oct.

55

55

59

56

55

57

56

60

59

56

57

58

55

56

58

55

59

53

52

..

52

58

59

52

59

47

46

46

47

47

55

Nov.

48

47

46

47

47

50

47

49

47

47

46

47

47

48

48

47

48

46

46

46

47

49

48

50

47

45

43

44

40

--

47

Dec.

38

38

39

40

38

38

38

39

39

43

43

40

39

39

39

36

36

35

37

34

35

35

39

36

35

34

34

34

35

38

40

38

Jan.

38

38

36

35

37

37

37

37

36

35

34

35

36

35

35

35

38

36

35

36

36

37

37

36

37

36

38

35

35

35

35

36

Feb.

38

36

35

34

36

36

40

42

37

35

36

39

40

39

38

39

37

34

35

36

33

38

37

40

40

38

37

39

..

..

--

37

Mar.

39

39

39

33

39

45

39

38

39

41

41

41

40

39

39

38

38

38

41

41

43

45

40

39

39

_

44

44

45

45

40

Apr.

46

45

47

46

45

45

_

45

49

47

47

47

47

47

47

47

47

47

47

47

49

50

50

50

50

50

48

48

50

49

..

48

May

49

51

51

53

54

54

54

55

53

54

54

54

54

51

49

50

52

52

54

56

55

54

54

54

53

54

53

54

54

52

54

53

June

54

53

53

54

57

55

56

56

57

57

58

58

59

57

57

57

57

56

57

58

60

61

60

59

59

58

59

59

58

_

57

July

57

59

57

56

59

56

59

59

59

61

61

64

64

65

67

70

69

70

70

71

71

73

74

74

74

72

72

70

70

69

70

66

Aug.

71

72

70

71

70

70

69

70

69

70

72

70

70

71

67

71

69

70

68

70

67

68

68

67

66

66

65

68

60

66

61

68

Sept.

65

68

68

72

69

68

68

71

68

67

64

62

66

63

61

61

59

60

60

58

58

57

50

58

56

60

56

55

--

62
PART 14. PACIFIC SLOPE BASINS IN OREGON AND LOWER COL

JOHN DAY RIVER BASIN 

 SOUTH PORK JOHN DAY RIVER NEAR DAYVILLE, 

LOCATION. Temperature recorder at gaging station, 0.7 mile downstream from Smoky Creek and 3 

DRAINAGE AREA. 590 square miles approximately.

RECORDS AVAILABLE. Water temperatures: October 1951 to September 1955.

EXTREMES, 1954-55. Water temperatures: Maximum, 76°F July 14; minimum, 33'FDec. 28.

EXTREMES, 1951-55. Water temperatures: Maximum, 77°F July 10, 11, 27, 1952; minimum, freezin

February 1952. 

REMARKS. Records of discharge for water year October 1954 to September 1955 given in WSP 1398

Temperature (F) of water, water year October 1954 to Sep

Day

1...................

2. ..................

3...................

4. ..................

5. ..................

6. ..................

7. ..................

8. ..................

9. ..................

10. ..................

11. ..................

12. ..................

13...................

14...................

15...................

16...................

17...................

18. ..................

19...................

20. ..................

21...................

22. ..................

23...................

24. ..................

25...................

26. ..................

27...................

28. ..................

29. ..................

30. ..................

31...................

Average .......

October

max

53 

53 

54 

54 

54

55 

54 

55 

54 

53

53 

51 

51 

51 

52

53 

54 

52 

52 

52

54 

54 

50 

47 

46

44 

45 

45 

46 

46 

47

51

min

44 

45 

46 

46 

48

49 

51 

49 

48 

50

50 

47 

46 

44 

45

48 

49 

48 

50 

45

51 

50 

46 

42 

42

40 

39 

40 

41 

41 

41

46

November

max

47 

46 

46 

45 

45

47 

48 

47 

49 

49

48 

49 

47 

47 

49

48 

48 

50 

49 

47 

47 

48 

46 

46 

45

43 

44 

43 

41 

39

46

min

42 

41 

41 

41 

41

42 

44 

45 

47 

45

47 

47 

43 

44 

47

46 

46 

47 

46 

44

44 

45 

44 

43 

43

42 

42 

41 

39 

36

44

December

max

37 

41 

42 

43 

43

44 

42 

40 

41 

40

38 

39 

41 

40 

40

38 

36 

35 

35 

37

38 

38 

40 

40 

38

37 

36 

34 

38 

40 

39

39

min

36 

37 

40 

41 

42

42 

40 

36 

39 

38

36 

37 

39 

37 

38

35 

35 

34 

34 

35

36 

36 

37 

38 

35

35 

34 

33 

34 

38 

38

37

January

max

39 

38 

36 

34 

34

35 

35 

35 

36 

36

36 

37 

37 

37 

37

37 

36 

38 

38 

37

39 

38 

40 

39 

40

38 

37 

36 

38 

39 

40

37

min

38 

36 

34 

34 

34

34 

34 

34 

34 

35

34 

34 

36 

35 

39

35 

34 

35 

34 

34

37 

36 

37 

35 

37

34 

34 

34 

35 

37 

39

35

February

max

40 

39 

39 

38 

37

38 

42 

42 

38 

36

37 

41 

42 

41 

42

40 

40 

37 

36 

39

40 

40 

40 

42 

41

39 

41 

41

40

min

36 

37 

36 

34 

35

35 

38 

38 

35 

34

34 

35 

36 

36 

37

38 

36 

34 

34 

34

34 

37 

37 

37 

37

37 

36 

34

36

March

max

42 

43 

41 

40 

37

41 

46 

46 

42 

42

43 

44 

41 

39 

43

44 

46 

47 

42 

43

43 

47 

43 

50 

43

47 

48 

49 

45 

42 

47

44

min

38 

39 

36 

36 

34

34 

35 

38 

38 

38

39 

41 

38 

35 

35

34 

36 

38 

38 

35

37 

40 

38 

41 

41

40 

42 

45 

41 

39 

41

38

April

max

47 

43 

43 

43 

50

51 

49 

49 

48 

46

46 

45 

45 

45 

47

47 

44 

43 

41 

43

47 

49 

51 

48 

47

47 

47 

46 

51 

54

47

min

4

3

3

4

3

42 

4

4

42 

4

4

42 

43 

42 

4

4

4

4

3

4

4

4

4

4

4

4

4

4

4

4

4
JOHN DAY RIVER BASIN Continued

DESOLATION CREEK NEAR DALE, OREG.

LOCATION. Temperature recorder at gaging station, three-quarters of a mile upstream from mo

DRAINAGE AREA. 108 square miles.

RECORDS AVAILABLE. Water temperatures: July 1950 to September 1955.

EXTREMES, 1954-55. Water temperatures: Maximum, 72 °F July 22, Aug. 1; minimum, freezing po

EXTREMES, 1950-55. Water temperatures: Maximum, 76°F July 24, 1951; minimum, freezing poin

REMARKS. Records of discharge for the water year October 1954 to September 1955 given in WS

Temperature (°F) of water, water year October 1954 to S

Day

1...................

4. ..................

5. ..................

6. ..................

7. ..................

8...................

9. ..................

10. ..................

11...................

13. ..................

14...................

15...................

16...................

17...................

18. ..................

19...................

21...................

22...................

23. ..................

24...................

25. ..................

26...................

27. ..................

28...................

30. ..................

31...................

Average .......

October

max

45 

46 

45 

46 

46

49 

51 

50 

48 

48

48 

45 

44 

43 

44

47 

47 

47 

46 

45

49 

49 

45 

42 

39

38 

36 

36 

36 

37 

38

44

mln

37 

38 

38 

37 

40

42 

46 

44 

41 

43

45 

42 

41 

36 

37

39 

44 

40 

44 

39

45 

45 

42 

38 

36

33 

33 

33 

33 

33 

33

39

November

max

38 

36 

36 

36 

36

40 

40 

40 

42 

42

42 

42 

39 

41 

40

40 

42 

41 

41 

40

39 

39 

38 

38 

37

36 

36 

36 

35 

33

39

min

33 

33 

33 

33 

33

35 

36 

35 

40 

39

39 

39 

36 

38 

39

39 

40 

40 

39 

36

36 

36 

35 

35 

34

34 

35 

34 

33 

33

36

December

max

33 

32 

32 

32 

32

32 

32 

32 

32 

32

32 

32 

32 

32 

32

32 

32 

32 

32 

32

32 

32 

32 

32 

32

32 

33 

33 

32 

32 

32

32

mln

32 

32 

32 

32 

32

32 

32 

32 

32 

32

32 

32 

32 

32 

32

32 

32 

32 

32 

32

32 

32 

32 

32 

32

32 

32 

32 

32 

32 

32

32

January

max

32 

32 

33 

33 

33

32 

32 

32 

32 

32

32 

32 

32 

32 

32

32 

32 

33 

33 

32

32 

32 

32 

32 

33

33 

33 

32 

32 

32 

32

32

min

32 

32 

33 

33 

32

32 

32 

32 

32 

32

32 

32 

32 

32 

32

32 

32 

32 

32 

32

32 

32 

32 

32 

32

32 

32 

32 

32 

32 

32

32

February

max

32 

32 

32 

32 

32

32 

32 

32 

32 

33

32 

32 

32 

32 

33

33 

33 

33 

33 

33

32 

32 

33 

33 

33

33 

33 

33

32

min

32 

32 

32 

32 

32

32 

32 

32 

32 

32

32 

32 

32 

32 

32

32 

32 

32 

32 

32

32 

32 

32 

32 

33

33 

32 

32

32

March

max

33 

34 

34 

34 

33

33 

33 

33 

33 

34

33 

34 

34 

34 

34

34 

33 

34 

34 

35

35 

35 

35 

36 

36

36 

36 

35 

35 

37 

40

34

min

32 

33 

33 

33 

33

32 

32 

32 

33 

33

33 

33 

33 

33 

32

32 

32 

33 

33 

33

34 

35 

34 

35 

35

35 

35 

34 

34 

35 

35

33

April

max

38 

38 

40 

39 

40

40 

42 

41 

38 

40

39 

38 

40 

38 

40

38 

38 

38 

40 

39

45 

41 

44 

43 

41

41

44 

43 

48 

48

41

mi

3

3

3

3

3

3

3

3

3

3

3

3

3

3

3

3

3

3

3

3

3

3

3

3

3

3

3

3

3

4

3
DESCHUTES RIVER BASIN 

DESCHUTES RIVER NEAR CULVER, OREG.

LOCATION. Temperature recorder at gaging station, 0.7 mile downstream from bridge on Cove-Gran

4 miles northwest of Culver, Jefferson County, and at mile 116.5 

DRAINAGE AREA.--2,723 square miles.

RECORDS AVAILABLE. Water temperatures: September 1952 to September 1955.

EXTREMES, 1954-55.--Water temperatures: Maximum, 60°F June 11, July 13-15; minimum, 38°F Jan. 

EXTREMES, 1952-55.--Water temperatures: Maximum, 63°F July 6-8, 11, 12, 1953, July 4, 5, 14, 

Jan. 12, Mar. 5, 6, 1955. 

REMARKS. Records of discharge for water year October 1954 to September 1955 in WSP 1398.

Temperature (°F) of water, water year October 1954 to Sep

Day

2. ..................

3...................

4...................

5. ..................

6. ..................

7. ..................

8...................

9. ..................

10...................

11...................

12...................

13. ..................

14...................

15. ..................

16...................

17...................

18. ..................

19...................

20. ..................

21. ..................

22. ..................

23...................

24. ..................

25...................

26. ..................

27. ..................

28. ..................

31...................

Average .......

October

max

51 

51 

51 

52 

52

51 

51 

51 

51 

52

52 

52 

52 

50 

50

50 

51 

51 

51 

51

51 

51 

51 

50 

50

49 

49 

49 

49 

49 

49

51

min

50 

50 

51 

51 

51

51 

51 

51 

51 

51

51 

51 

50 

49 

50

50 

50 

51 

51 

51

51 

51 

50 

49 

49

48 

48 

48 

48 

48 

49

50

November

max

49 

47 

47 

47 

47

47 

49 

49 

49 

48

48 

48 

48 

48 

47

47 

47 

47 

47 

47

46 

46 

46 

46 

46

46 

45 

44 

44 

43

47

min

47 

46 

46 

46 

46

46 

47 

48 

48 

48

48 

48 

48 

47 

47

46 

46 

46 

46 

46

46 

46 

46 

46 

46

44 

44 

44 

43 

42

46

December

max

42 

39 

39 

40 

43

43 

43 

42 

41 

41

41 

41 

41 

41 

42

42 

41 

41 

39 

39

40 

40 

41 

41 

42

42 

40 

39 

40 

42 

42

41

min

39 

39 

39 

39 

40

43 

42 

41 

41 

41

41 

41 

41 

41 

41

41 

41 

39 

39 

39

39 

40 

40 

41 

41

40 

39 

39 

39 

40 

41

40

January

max

42 

42 

41 

40 

39

39 

39 

39 

39 

39

39 

39 

39 

39 

39

39 

39 

39 

39 

39

40 

42 

42 

42 

42

42 

41 

40 

40 

41 

41

40

min

41 

41 

40 

39 

39

39 

39 

39 

39 

39

39 

38 

39 

39 

39

39 

39 

39 

39 

39

39 

40 

41 

41 

41

41 

40 

40 

40 

40 

41

40

February

max

41 

41 

40 

39 

39

40 

42 

42 

42 

41

39 

40 

41 

41 

41

42 

42 

41 

39 

40

41 

40 

40 

42 

42

42 

42 

42

41

min

41 

40 

39 

39 

39

39 

40 

42 

41 

39

39 

39 

40 

40 

41

41 

41 

39 

39 

39

39 

39 

40 

40 

42

41 

41 

41

40

March

max

42 

42 

41 

40 

39

40 

43 

44 

44 

44

44 

43 

43 

43 

42

42

44 

45 

45 

44

44 

46 

46 

47 

47

46 

46 

48 

49 

49 

49

44

min

41 

41 

40 

39 

38

38 

40 

42 

43 

43

43 

43 

42 

41 

40

41 

42 

43 

44 

43

43 

44 

45 

46 

46

45 

45 

46 

48 

48 

48

43

April

max

49 

48 

48 

48 

49

51 

51 

52 

52 

51

50 

50 

49 

49 

49

50 

50 

50 

49 

49

49 

50 

50 

50 

50

50 

49 

49 

51 

51

50

min

48 

48 

47 

47 

47

48 

50 

50 

51 

50

50 

49 

49 

49 

48

49 

49 

49 

49 

49

49 

49 

49 

49 

49

49 

49 

49 

49 

50

49
DESCHUTES RIVER BASIN Continued 

CROOKED RIVER NEAR CULVER, OREG.

LOCATION. Temperature recorder at gaging station, 1 mile upstream from mouth, 1 mile downstre

Jefferson County.

DRAINAGE AREA. 4,330 square miles, approximately, of which 500 square miles is probably nonco

RECORDS AVAILABLE. Water temperatures: July 1952 to September 1955.

EXTREMES, 1954-55. Water temperatures: Maximum, 60°F May 20; minimum, 51°F several days dur

EXTREMES, 1952-55 . Water temperatures: Maximum, 63°F July 14, 1953; minimum, 44 °F Feb. 9, 1

REMARKS. Records of discharge for water year October 1954 to September 1955 given in WSP 1398

Temperature (°F) of water, water year October 1954 to Se

Day

4...................

5. ..................

6. ..................

7. ..................

8. ..................

9. ..................

10. ..................

11...................

13. ..................

14...................

15...................

17. ..................

18. ..................

20. ..................

22. ..................

23. ..................

24...................

25. ..................

27...................

29...................

30. ..................

31. ..................

Average .......

October

max

55 

55 

55 

55 

55

55 

55 

55 

55 

55

55 

55 

55 

55 

55

55 

55 

55 

55 

55

54 

54 

54 

54 

54

54 

53 

53 

53 

53

H

54

min

55 

55 

55 

55 

55

55 

55 

55 

55 

55

55 

55 

55 

54 

54

54 

54 

54 

54 

54

54 

54 

54 

54 

54

53 

53 

53 

53 

53 

53

54

November

max

53 

53 

53 

53 

53

54 

54 

54 

54 

54

54 

54 

54 

54 

54

54 

54 

54 

54 

54

54 

53 

53 

53 

53

S3 

53 

53 

53 

53

54

min

53 

53 

53 

53 

53

53 

53 

54 

54 

54

54 

54 

53 

53 

53

53 

53 

53 

53 

53

53 

53 

53 

53 

53

53 

53 

53 

53 

52

53

December

max

52 

52 

52 

52 

52

52 

52 

52 

52 

52

52 

52 

52 

52 

52

52 

52 

52 

52 

52

52 

52 

52 

52 

52

52 

51 

51 

52 

52 

52

52

min

52 

52 

52 

52 

52

52 

52 

52 

52 

52

52 

52 

52 

52 

52

52 

52 

52 

52 

52

52 

52 

52 

52 

52

51 

51 

51 

51 

52 

52

52

January

max

52 

52 

52 

51 

51

51 

51 

51 

51 

51

51 

51 

51 

51 

51

51 

51 

52 

52 

52

52 

52 

52 

52 

52

52 

52 

51 

51 

51 

52

51

min

52 

52 

51 

51 

51

51 

51 

51 

51 

51

51 

51 

51 

51 

51

51 

51 

51 

52 

52

52 

52 

52 

52 

52

51 

51 

51 

51 

51 

51

51

February

max

52 

52 

52 

52 

52

52 

52 

52 

52 

52

52 

52 

52 

52 

52

52 

52 

52 

52 

52

52 

52 

52 

52 

52

52 

51 

51

52

min

52 

52 

52 

52 

52 

52 

52 

52 

52 

52

52 

52 

52 

52 

52

52 

52 

51 

51 

51

51 

52 

52 

52 

52

51

51 

51

52

March

max

51 

51 

51 

51 

51

51 

53 

53 

53 

53

52 

52 

52 

51 

51

52 

52 

53 

53 

53

52 

53 

52 

53 

53

52 

52 

53 

53 

52 

51

52

min

51 

51 

51 

51

51

51 

51 

52 

52 

52

52 

51 

51 

51 

51

51 

52 

52 

53 

52

52 

52 

52 

52 

52

52 

52 

52 

52 

51 

51

52

April

max

51 

51 

51 

51 

52

52 

54 

54 

54 

53

52 

51 

51 

52 

52

52 

53 

53 

53 

53

53 

53 

53 

53 

53

53 

53 

53 

53 

54

53

min

51 

51 

51 

51 

51

51 

52 

53 

53 

52

51 

51 

51 

51 

52

52 

52 

53 

53 

53

53 

53 

53 

53 

53

53 

53 

52 

52 

53

52
DESCHUTES RIVER BASIN Continued 

METOLIUS RIVER NEAR GRANDVIEW, OREG.

LOCATION. Temperature recorder at gaging station at Montgomery Ranch, 8 miles northwest of 

Culver .

DRAINAGE AREA. 324 square miles, hydrologic drainage boundary uncertain owing to ground-wat

RECORDS AVAILABLE. Water temperatures: July 1952 to September 1955. 

EXTREMES, 1954-55. Water temperatures: Maximum, 52°F Aug. 18, 19, and during period of no 

during winter months.

EXTREMES, 1952-55. Water temperatures: Maximum, 53°F July 12-14, 16, 18, 19, 1954; minimum

REMARKS. Records of discharge for water year October 1954 to September 1955 given in WSP 13

Temperature of water, water year October 1954 to Sep

Day

1...................

2...................

3...................

4. ..................

5. ..................

6...................

7. ..................

8...................

9. ..................

10...................

11...................

12...................

13. ..................

14...................

15. ..................

16. ..................

17...................

18...................

19. ..................

20. ..................

21...................

22...................

23. ..................

24...................

25. ..................

26...................

27...................

28...................

29. ..................

30. ..................

31...................

October

max

46 

47 

47 

47 

46

46 

47 

47 

47 

47

47 

46 

46 

46 

46

46 

46 

46 

46 

46

46 

45 

43 

43 

43

42 

43 

43 

43 

43 

43

45

' min

44 

44 

45 

45 

45

45 

45 

45 

45 

46

46 

45 

45 

44 

44

45 

45 

45 

45 

44

44 

42 

42 

42 

42

41 

41 

42 

42 

42 

42

44

November

max

43 

43 

43 

44 

44

44 

44 

44 

44 

43

43 

43 

42 

43 

43 

43 

43 

43 

43 

43

43 

43 

43 

43 

43

42 

42 

42 

41 

41

43

min

42 

42 

42 

42 

42

44 

44 

44 

43 

42

43 

42 

41 

42 

42

42 

42 

42 

42 

42

42 

42 

42 

42 

41

41 

42 

40 

40 

40

42

December

max

40 

40 

41 

42 

42

42 

42 

41 

41 

41

40 

41 

41 

42 

42 

41 

40 

40 

40 

41

41 

41 

41 

41 

41

40 

39 

41 

41 

41 

41

41

min

40 

40 

40 

41 

41

42 

41 

39 

40 

40

40 

40 

41 

41 

41

39 

39 

39 

39 

40

40 

41 

41 

41 

40

39 

39 

39 

41 

41 

41

40

January

max

41 

40 

40 

39 

40

40 

40 

40 

40 

41

40 

41 

41 

41 

41 

41 

41 

41 

41 

41

42 

43 

42 

42 

42

42 

41 

41 

42 

42 

43

41

min

40 

40 

39 

39 

39

39 

39 

39 

39 

40

39 

40 

41 

39 

39 

40 

40 

40 

40 

41

41 

41 

41 

41

41

40 

40 

40 

41 

41 

42

40

February

max

42 

41 

41 

41 

41

42 

42 

42 

41 

40

41 

42 

42 

42 

42

42 

42 

41 

41 

41

42 

42 

43 

43 

42

43 

42 

42

42

min

41 

40 

39 

40 

40

41 

41 

41 

40 

39

»9 

40 

40 

40 

40

41 

40 

39 

39 

39

40 

41 

40 

41 

40

41 

41 

41

40

March

max

41 

41 

41 

41 

41

42 

43 

43 

43 

42

42 

42 

41 

42 

42 

43 

43 

43 

43 

43

43 

43 

43 

43 

43

43 

43 

44 

44 

44 

45

43

min

40 

40 

40 

39 

39

41 

41 

41 

40 

41

40 

41 

40 

39 

39

38 

40 

41 

41 

40

41

41 

40 

42 

41

41 

41 

42 

42 

41 

42

41

April

max

45 

43 

44 

43 

45

45 

46 

47 

46 

45

44 

44 

44 

44 

43

44 

44 

44 

43 

43

44 

43 

46 

43 

43

44 

43 

43 

45 

46

44

min

4

4

4

4

4

4

4

4

4

4

4

4

4

4

4

4

4

4

4

4

4

4

4

4

4

4

4

4

4

4

4

a Recorder stopped; range in temperature only, 52° to 44°, for period July 7 to Aug. 17.
DESCHUTES RIVER BASIN--Continued

DESCHUTES RIVER NEAR MADRAS, OREG.

LOCATION. Temperature recorder at gaging station, 1 mile downstream from Pelton dam site, 5 

Madras, Jefferson County, and at mile 101.6 (river-profile survey). 

DRAINAGE AREA.--7,800 square miles, approximately, (revised). 

RECORDS AVAILABLE.--Water temperatures: March 1952 to September 1955.

EXTREMES, 1954-55.--Water temperatures: Maximum, 58°F on several days in June, July, August, 

EXTREMES, 1952-55. Water temperatures: Maximum, 59°F July 3-5, 10, 1952, June 17, July 6-8, 

1952, Jan. 20-22, 27, 28, Feb. 9, 10, 19, 1953. 

REMARKS.--Records of discharge for water year October 1954 to September 1955 given in WSP 139

Temperature (°F) of water, water year October 1954 to Sep

Day

2. ..................

3...................

4...................

5. ..................

8. ..................

7. ..................

8...................

9. ..................

10. ..................

11. ..................

12...................

14...................

15...................

16...................

17...................

18...................

19...................

20. ..................

21...................

22...................

23...................

25...................

27. ..................

29...................

30. ..................

31...................

Average .......

October

max

52 

52 

52 

52 

52

52 

53 

53 

52 

53

53 

53 

52 

52 

52

52 

52 

52 

52 

52

53 

53 

52 

51 

50

50 

50 

50 

50 

50 

50

52

min

51 

51 

51 

51 

52

52 

52 

52 

51 

52

53 

52 

51 

51 

51 

51 

52 

52 

52 

51

52 

51 

51 

50 

50

49 

49 

49 

49 

49 

50

51

November

max

50 

50 

49 

49 

49

51 

51 

51 

51

51

50 

50 

50 

50 

50 

50 

50 

50 

50 

50

50 

50 

50 

50 

50 

50 

49 

49 

48 

48

50

min

50 

49 

49 

49 

48

49 

50 

51 

51 

50

50 

50 

50 

50 

50

50 

50 

50 

50 

49

50 

50 

50 

50 

50

49 

49 

48 

48 

47

50

December

max

47 

47 

46 

47 

48

49 

48

47 

47 

47

47 

47 

47 

47 

47

47 

47 

46 

46 

46

46 

46 

47 

47 

47 

47 

47 

46 

47 

47 

47

47

min

47 

46 

46 

46

47

48

47 

47 

47 

47

46 

46 

47 

47 

47 

47 

46 

46 

46 

46

46 

46 

46

47 

47

47 

46 

46 

46 

47 

47

47

January

max

47 

47 

47 

46 

46

46 

46 

46 

46 

46

46 

46 

46 

46 

46 

46 

46 

46 

46 

46

47 

48 

48 

48 

48 

48 

47 

47 

47 

47 

48

47

min

47 

47 

46 

46 

46

46 

46 

46 

46 

46

45 

45 

46 

46 

46

46 

46 

46 

46 

46

46 

47 

47 

48 

48

47 

47 

47 

47 

47 

47

46

February

max

48

47 

47 

46 

47

47 

48 

48 

48 

47

46

47 

47 

47 

47

47 

47 

47 

46 

46

47 

47 

47 

49 

49 

48 

48 

48

47

min

47 

47 

46 

46 

46

47 

47 

48 

47 

46

46 

46 

47 

47 

47 

47 

47 

46 

46 

46

46 

47 

47 

47 

48 

48 

48 

48

47

March

max

48 

48 

48

47 

47

47 

49 

50 

49 

49

49 

49 

49 

48

47

47 

48 

49 

49 

48

49 

49 

49 

50 

50

49 

49 

50 

51 

50 

50

49

min

48 

48 

47 

46 

45

45 

47 

49 

49 

49

49 

49 

48 

47 

46

46 

47 

48 

48

47

47 

48 

48 

49 

49

48 

48 

49 

50 

49 

49

48

April

max

50 

50 

50 

49 

50

51 

52 

53 

53 

53

51 

51 

50 

50 

50

51 

51 

51 

51 

50

51 

51 

52 

52 

51

50 

50 

49 

52 

53-

51

mm

4

4
DESCHUTES RIVER BASIN Continued 

DESCHUTES RIVER AT MOODY, NEAR BIGGS, O

miles upstream from mouth and 

LOCATION. Temperature recorder at gaging station at Moody,

DRAINAGE AREA. 10, 500 square miles approximately.

RECORDS AVAILABLE. Chemical analyses: August 1911 to July 1912, December 1952 to February 1

Water temperatures: December 1952 to February 1954, October 1954 to September 1955. 

EXTREMES, 1954-55. Water temperatures: Maximum, 70°F July 14; minimum, 41°F Dec. 19-22 Jan. 

REMARKS. Records of discharge for water year October 1954 to September 1955 given in WSP 139

Temperature (°F) of water, water year October 1954 to S

Day

1.. .................

2. ..................

3...................

4...................

5. ..................

6. ..................

7. ..................

8. ..................

9. ..................

10...................

11...................

12...................

14...................

15. ..................

16...................

17...................

19...................

20. ..................

21...................

22...................

23...................

24...................

25...................

26. ..................

27. ..................

28...................

29. ..................

30. ..................

31. ..................

October

max

-'

--

--

--

48 

47 

46 

46 

48 

48

--

min

--

"

47 

46 

45 

46 

46 

47

--

November

max

48 

48 

48 

48 

48

48 

51 

51 

51 

51

50 

50 

50 

49 

49

49 

49 

49 

50 

50

50 

50 

49 

50 

50

50 

49 

48 

47 

45

49

min

47 

47 

48 

47 

47

47 

48 

51 

51 

50

50 

50 

49 

48 

48

49 

49 

49 

49 

50

49 

49 

49 

49 

50

49 

48 

47 

45 

44

48

December

max

44 

43 

43 

43 

45

46 

46 

46 

45 

45

45 

44 

45 

45 

45

45 

45 

43 

42 

41

41 

42 

43 

43 

43

43 

43 

42 

44 

45 

45

44

min

43 

43 

43 

43 

43

45 

46 

45 

45 

45

44 

44 

44 

45 

45

45 

43 

42 

41 

41

41 

41 

42 

43 

43

43 

42 

42 

42 

44 

45

43

January

max

45 

45 

44 

43 

42

41 

42 

42 

42 

43

42 

42 

43

43 

43

43 

43 

43 

43 

43

43 

44 

45 

46 

46

45 

45 

45 

44 

44 

45

44

min

45 

44 

43 

42 

41

41 

41 

42 

41 

42

42 

42 

42 

43 

43

43 

43 

43 

43 

43

43 

43 

44 

45 

45

45 

45 

44 

44 

44 

44

43

February

max

45 

45 

45 

44 

45

45 

47 

48 

47 

45

44 

43 

45 

46 

46

46 

45 

44 

44 

44

44 

45 

45 

45

45

45 

45 

45

45

min

45 

45 

44 

43 

43

44 

45 

47 

45 

44

43 

43 

43 

45 

45

45 

44 

43 

43 

43

43 

43 

45 

45 

45

45 

44 

44

44

March

max

46 

46 

46 

45 

43

45 

47 

49 

49 

49

48 

48 

48 

47 

47

48 

48 

49 

49 

48

48 

49 

49 

49 

49 

49 

49 

51 

52 

52 

52

48

min

45 

45 

44 

43 

42

42 

43 

46 

48 

48

47 

47 

47 

46 

45

45 

45 

47 

47 

46

47 

47 

47 

47 

47

47 

47 

49 

50 

50 

50

46

April

max

52 

52 

51 

51 

52

54 

55 

55 

55 

55

54 

53 

52 

51 

51

51 

52 

52 

51 

51

51 

53 

53 

53 

52

52 

51 

51 

54 

57

53

min

51 

50 

49 

49 

49

49 

51 

53 

54 

53

53 

52 

51 

49 

49

49 

49 

50 

50 

50

50 

51 

51 

52 

51

49 

49 

49 

49 

52

50
COLUMBIA RIVER MAIN STEM 

COLUMBIA RIVER AT MARYHILL FERRY NEAR RUFUS, 

LOCATION. At Maryhill Ferry about 2£ miles downstream from Rufus, Sherman County, and about 9 mile

upstream from Celilo Falls, 3 miles downstream from Deschutes River, and 11 miles east of The Da

DRAINAGE AREA.--237,000 square miles (above gaging station near The Dalles). 

RECORDS AVAILABLE.--Chemical analyses: December 1950 to September 1955.

Water temperatures: December 1950 to September 1955.

EXTREMES, 1954-55. Dissolved solids: Maximum, 137 ppm Dec. 1-10; minimum, 78 ppm June 11-20, 21-3

Hardness: Maximum, 89 ppm Dec. 11-20; minimum, 51 ppm June 1-10, 11-20.

Specific conductance: Maximum daily, 232 micromhos Dec. 8; minimum daily, 110 micromhos June 7. 

Water temperatures: Maximum, 70°F Sept. 1, 3, 4, 6, 7; minimum, 35°F Mar. 2, 3.

EXTREMES, 1950-55. Dissolved solids: Maximum, 157 ppm Dec. 21-31, 1952; minimum, 78 ppm June 11-2

Hardness: Maximum, 104 ppm Dec. 21-31, 1952; minimum, 49 ppm May 11-20, 1954.

Specific conductance: Maximum daily, 268 micromhos Dec. 29, 1952; minimum daily, 110 micromhos J

Water temperatures: Maximum, 77°F Sept. 4-6, 1953; minimum, freezing point Jan. 25, 30, 1951, Ja

REMARKS. Values reported for'dissolved solids are residues on evaporation. Records of specific co

at Portland. Oreg. Records of discharge for gaging station near The Dalles for water year Octob

ords include the inflow of the Deschutes River, which on the average amounts to less than 5 per

other appreciable inflow between Maryhill Ferry and gaging station except during periods of heav

Chemical analyses, in parts per million, water year October 1954 t

Date of collection

Oct. 1-10, 1954...

Nov. 21-30.......

Jan. 1-10, 1955...

Feb. 1-13 ........

Mar. 11-20.......

Mar. 21-31..... ..

Mean 

discharge 

(cfs)

114,000 

106,000 

108,900 

108, 200 

110,900 

119,200

113,000 

100,000 

97,250 

100,700 

101,800 

103,900

108, 600 

108,300 

116,300 

119,200 

120.300

Silica 

(Si02)

10 

11

Iron 

(Fe)

0.02 

.01

Cal- ' 

cium 

(Ca)

23 

25

Magnesium 

(Mg)

6.4 

6.2

Sodium 

(Na)

11 

11 

11 

11 

9.2 

9.8

11 

10 

9.9 

9.5 

10 

10

10 

9.4 

9.1 

8.9 

9.2

Potassium 

(K)

2.3 

1.7

Bicarbonate 

(HCOS)

98 

101 

102 

103 

93 

94

100 

97 

99 

97 

99 

99

101 

94 

95 

96 

96

Sulfate 

(S04 )

23 

21

Chloride 

(Cl)

5.0 

4.5

Fluoride 

(F)

0.2 

.2

Nitrate 

(NO,)

1.3

1.6

Boron 

(B)

0.09 

.04
Apr. 1-10, 1955...

Aug. 1-10........

Sept. 21-30.......

Weighted average

130,700

194,900

525, 200

467,400

172,200

i it nnn

111,700

179,000

14

-

--

.03

.08-

--

23

17-"

6.7--9.1 

7 3

7 1

5.3 3 e 3 7 4 0

7 3

9.5

6.5

2.1-~96 

85

91

90

79

19-

--

4.5-

--

.2

--

--

4.0

---

.02

.08-

--
398 PACIFIC SLOPE BASINS IN OREGON AND LOWER COLUMBIA RIVER BASIN

COLUMBIA RIVER MAIN STEM Continued

COLUMBIA RIVER AT MARYHILL FERRY NEAR RUFUS, OREG.--Continued 

Temperature (°F) of water, water year October 1954 to September 1955

Day

1

2

3

4

5

6

7

8

9

10

11

12

13

14

15

16

17

18

19

20

21

22

23

24

25

26

27

28

29

30

31

Average

Oct.

57

57

57

56

57

56

57

57

56

56

56

56

55

54

53

55

55

54

55

54

54

55

55

54

54

53

52

53

52

53

55

Nov.

53

53

53

53

53

52

52

52

51

52

51

52

51

53

53

52

51

50

48

48

48

47

47

45

45

44

43

43

42

43

49

Dec.

42

45

45

46

45

44

43

44

43

44

43

42

42

40

42

41

41

39

38

39

39

40

39

38

40

39

40

41

39

38

--

41

Jan.

39

40

40

40

39

38

39

40

41

42

40

39

40

41

42

41

40

39

40

40

41

40

42

41

42

41

41

42

40

40

42

40

Feb.

41

42

42

42

41

42

42

43

42

41

42

42

43

39

38

40

39

39

40

40

38

37

39

39

39

39

38

37

_

--

40

Mar.

36

35

35

39

40

40

39

38

39

40

40

39

40

39

39

41

40

39

40

40

40

41

42

41

41

42

40

42

42

42

42

40

Apr.

43

42

44

44

46

46

46

46

45

45

45

46

46

45

46

45

46

46

47

46

47

48

48

47

48

47

49

49

50

50

--

46

May

50

51

52

52

50

52

52

54

54

55

56

55

52

55

55

55

56

55

55

55

56

55

56

56

56

53

54

56

54

52

52

54

June

55

55

56

55

56

58

57

59

59

59

59

60

59

59

60

60

61

62

62

60

60

61

59

60

60

61

62

61

61

60

--

59

July

59

59

59

60

58

58

60

62

62

63

64

65

64

65

65

65

65

64

65

65

65

65

65

65

65

66

66

66

67

66

66

64

Aug.

66

67

67

66

65

66

66

67

67

67

67

67

67

67

67

66

67

67

67

68

67

67

66

67

67

67

68

69

69

67

69

67

Sept.

70

69

70

70

69

70

70

69

69

69

69

69

67

67

67

67

67

67

68

67

68

67

66

66

66

67

67

67

65

66

--

68
KLICKITAT RIVER BASIN

KLICKITAT RIVER NEAR GLENWOOD, WASH.

LOCATION. Temperature recorder at gaging station half a mile downstream from Dairy Creek, 5 

7 miles upstream from Trout Creek. 

DRAINAGE AREA. 360 square miles.

RECORDS AVAILABLE. Water temperatures: July 1950 to September 1955. 

EXTREMES, 1954-55. Water temperatures: Maximum, 58°F July 22, Aug. 7, 8; minimum, probably 

EXTREMES, 1950-55. Water temperatures: Maximum, 59°F July 10, 11, 1952; minimum, freezing p

REMARKS. Records of discharge for water year October 1954 to September 1955 given in WSP 139

Temperature (°F) of water, water year October 1954 to Se

Day

October January 

min

February 

min

March April 

Average.
KLICKITAT RIVER BASIN Continued

KLICKITAT RIVER NEAR PITT, WASH.

LOCATION. Temperature recorder at gaging station, 2J miles south of Pitt, Klickitat County, 5 

from mouth at Lyle.

DRAINAGE AREA. 1,290 square miles approximately.

RECORDS AVAILABLE.--Water temperatures: August 1950 to September 1955.

EXTREMES, 1954-55.--Water temperatures: Maximum, 66°F Aug. 7, 8; minimum, 33°F Mar. 5, 6.

EXTREMES, 1950-55. Water temperatures: Maximum, 66°F July 17, 23, 1951, Aug. 7, 8, 1955; min

REMARKS. Records of discharge for water year October 1954 to September 1955 given in WSP 1398

Temperature (°F) of water, water year October 1954 to Sep

Day

4...................

5. ..................

6. ..................

7. ..................

8...................

9. ..................

11...................

13...................

14...................

15...................

16...................

18. ..................

20. ..................

21...................

22. ..................

23...................

24...................

25...................

26. ..................

27. ..................

28...................

29. ..................

30. ..................

31...................

October

max

48 

48 

50 

50 

49

49 

50 

52 

52 

50

50 

50 

48 

46 

46

46 

49 

49 

48 

48

48 

48 

47 

46 

44

44 

42 

41 

42 

43 

43

47

min

46 

45 

47 

47 

49

49 

49 

50 

49 

50

50 

48 

45 

44 

45

46 

46 

48 

48 

47

47 

47 

45 

44 

44

42 

40 

41 

41 

41 

42

46

November

max

43 

43 

43 

43 

44

46 

47 

47 

47 

47

46 

46 

46 

45 

45

45 

45 

45 

46 

46

45 

44 

44 

44 

44

44 

44 

43 

40 

39

44

min

42 

42 

42 

42 

43

44 

46 

47 

47 

46

46 

46 

44 

44 

45

45 

45 

45 

45 

45

44 

43 

43 

44 

44

44 

43 

40 

39 

37

44

December

max

37 

37 

38 

40 

40

40 

40 

40 

40 

40

39 

38 

38 

40 

40

40 

37 

36 

37 

37

37 

38 

38 

39 

39

39 

36 

35 

37 

38 

39

38

min

36 

36 

37 

38 

40

40 

40 

40 

40 

39

38 

38 

38 

38 

40

37 

36 

35 

35 

37

37 

37 

38 

38 

39

36 

34 

34 

35 

37 

38

37

January

max

39 

39 

37 

37 

35

35 

35 

35 

36 

37

37 

38 

38 

38 

37

37 

37 

37 

37 

37

37 

38 

40 

40 

39

39 

38 

38 

38 

38 

38

37

min

39 

37 

37 

35 

35

35 

35 

35 

35 

36

37 

37 

38 

37 

37

37 

37 

37 

36 

36

37 

37 

38 

39 

39

37 

38 

38 

38 

38 

38

37

February

max

38 

38 

38 

37 

38

38 

41 

41 

40 

38

37 

37 

38 

39 

39

39 

38 

37 

35 

37

38 

39 

39 

40 

40

38 

37 

37

38

min

38 

37 

36 

36 

37

38 

38 

40 

38 

36

35 

36 

37 

37 

38

37 

36 

35 

35 

35

35 

37 

37 

39 

37

37 

36 

36

37

March

max

37 

38 

39 

37 

37

37 

39 

41 

41 

41

41 

41 

41 

40 

40

41 

41 

42 

42 

40

41 

43 

42 

41 

40

41 

42 

43 

44 

43 

45

41

min

36 

37 

37 

35 

33

33 

36 

37 

39 

39

39 

39 

38 

37 

37

37 

38 

39 

39 

37

39 

41 

39 

39 

38

38 

40 

42 

43 

42 

42

38

April

max

45 

44 

42 

45 

46

47 

47 

48 

46 

46

46 

44 

43 

43 

42

45 

45 

46 

44 

44

44 

47 

47 

45 

45

45 

44 

43 

47 

40

45

min

43 

41 

40 

39 

41

43 

43 

45 

44 

43

43 

41 

41 

41 

41

42 

42 

42 

42 

43

44 

44 

44 

43 

43

43 

42 

41 

43 

44

42
WILLAMETTE RIVER BASIN 

MIDDLE FORK WILLAMETTE RIVER BELOW NORTH FORK, NEA

LOCATION. T««p*rature recorder at gaging station, half a mile downstream from Whitehead Cree

Willamette River, and 7 miles northwest of Oakridge, Lnne County. 

DRAINAGE ARIA. 924 square miles.

RECORDS AVAILABLE. Water temperatures: September 1950 to September 1955.

EXTREMES, 1954-55. Water temperatures: Maximum, 67'F Aug. 1, 5-7, 19; minimum, 36°F Dec. 27

EXTREMES, 1950-55. Water temperatures: Maximum, 67°F Aug. 12, 1952, Aug. 1, 5-7, 19, 1955; 

Nov. 29, 1*52. 

REMARKS. tecerte of discharge for wnter yenr October 1954 to September 1955 given in WSP 139

Temperature (*F) of water, water year October 1954 to S

Day

1...................

5. ..................

....................

9...................

10...................

12...................

13...................

14...................

16...................

18...................

U..... ....... ......^i

20...................

21...................

22...................

23...................

2«. ..................

27...................

29. ..................

30. ..................

31...................

October

M*X

52 

SI 

SI 

S2 

SI

SO 

S2 

51 

52 

52

53 

51 

50 

SI 

SI

13

S3 

*1 

M

* 

SO 

48 

47 

47

45 

45 

45 

49 

45 

4*

SO

min

48 

48 

48 

48 

50

50 

50 

49 

49 

50

51 

49 

48 

48

48

SO 

SI 

49 

40 

48

49 

49 

47 

46 

44

43 

42 

42 

43 

43 

43

46

November

max

47 

46 

47 

47 

45

47 

47 

47 

47 

47

47 

47 

47 

47 

47

48 

48 

48 

48 

48

47 

47 

47 

46 

4*

4« 

4t 

45 

44

43

47

mill

44 

46 

46 

45 

44

45 

47 

47 

47 

46

46 

47 

45 

45 

46

47 

47 

47 

47 

47

46 

46 

46 

46 

4S

45 

45 

44 

42 

W

«t

December

max

39 

41 

41 

43 

43

44

43 

42 

42 

42

42 

40 

42 

42 

42

42 

40 

38 

38 

40

40 

40 

40 

40 

40

37 

37 

37 

38 

41 

41

41

min

38 

39 

41 

41 

43

43 

42 

41 

41 

41

40 

40 

40 

42 

42

40 

38 

38 

38 

38

39 

39 

40 

40 

37

37 

36 

36 

37 

38 

40

40

January

max

41 

41 

41 

40 

39

39 

39 

39 

39 

40

40 

40 

40 

40 

40

39 

39 

39 

39 

39

39 

41 

41 

41 

42

41 

40 

39 

41 

41 

41

40

min

41 

41 

40 

39 

39

39 

38 

38 

39 

39

40 

39 

39 

40 

39 

39 « 

39 

39 

39 

39

39 

39 

41 

40 

41

40 

39 

38 

39 

41 

41

39

February

max

41 

40 

41 

41 

41

41 

42 

42 

41 

41

41 

41 

41 

41

42

42 

41 

40 

38 

38

38 

40 

41 

40 

40

40 

40 

40

41

min

40 

40 

40 

39 

39

41 

41 

41 

41 

39

39 

41 

40 

40 

41

41 

40 

38 

36 

36

36 

38 

39 

39 

39

39 

38 

38

39

March

max

39 

40 

39 

40 

39

40 

41 

42 

41 

41

41 

41 

39 

40 

41

41 

42 

43 

42 

40

40 

39 

39 

40 

42

44 

43 

43 

43 

42 

45

41

min

39 

39 

38 

38 

36

37 

39 

39 

39 

39

39 

39 

39 

38 

38

39 

39 

39 

39 

37

38 

39 

39 

39 

40

41 

41 

42 

41 

41 

41

39

April

max

44 

42 

43 

44 

45

46 

46 

47 

46 

44

43 

42 

42 

43

42

42 

44 

43 

42 

42

43 

44 

44 

44 

43

42 

43 

43 

46

47

44

mi

4

4

4

4

4

4

4

4

4

4

4

4

4

4

4

4

4

4

4

4

4

4

4

4

4

4

3

4

4

4

4
WILLAMETTE RIVER BASIN Continu

MIDDLE FORK WILLAMETTE RIVER NEAR DEX

LOCATION. Temperature recorder at gaging station, three quarters of a mile upstrea

Lane County. 

DRAINAGE AREA. 1,001 square miles. '' "

RECORDS AVAILABLE. Water temperatures: August to September 1955.

EXTREMES, August to September 1955. Water temperatures: Maximum, 60*F Aug. 24, 2

28, Sept. 17, 18. 

REMARKS. Thermograph installed Aug. 24, 1955. Record of discharge for June to Se

Temperature (°F) of water, August to Septem

1

2

3

4

5

6

August

max

_

_

_

_

_i.

_

mln

_

_

_

_

_

_

September

max

60

60

60

60

60

60

min

57

57

57

57

58

58

7

8

9

10

11

12

August

max

_

_

_

mln

_

_

_

_

September

max

58

59

60

58

60

60

mln

58

58

57

57

57

57

13

14

15

16

17

18

August

max

..

_.

mln

..

September

max

59

58

58

58

58

58

min

58

57

57

57

56

56

Average
WILLAMETTE RIVER BASIN Continued

FALL CREEK BELOW WINBERRY CREEK, NEAR FALL CR

LOCATION. Temperature recorder at gaging station, 10 feet upstream from highway bridge, 1J m

of Fall Creek, Lane County, and 5 miles above mouth. 

DRAINAGE AREA. 186 square miles.

RECORDS AVAILABLE. Water temperatures: August 1950 to September 1955.

EXTREMES, 1954-55. Water temperatures: Maximum, 70°F July 31, Aug. 1, 6-8; minimum, 36°F Feb

EXTREMES, 1950-55. Water temperatures: Maximum, 74°F Aug. 17, 18, 20, 21, 1950, July 17, 19

REMARKS. Records of discharge for water year October 1954 to September 1955 given in WSP 1398

Temperature (°F) of water, water year October 1954 to Se

Day

3...................

4...................

5. ..................

6. ..................

7...................

8. ..................

9. ..................

10...................

11...................

12...................

13. ..................

14...................

16. ..................

17...................

18...................

19. ..................

20. ..................

21...................

22...................

23. ..................

25...................

27...................

28. ..................

29. ..................

31...................

October

max

52 

51 

&2 

52 

52

52 

53 

53 

53

54

54 

54 

51 

49 

50

52 

53 

53 

52 

51

51 

52 

51 

49 

47

46 

45 

44 

44 

44 

45

50

mm

49 

49 

49 

49 

51

51 

51 

52 

51 

53

54 

51 

49 

47 

48

50 

52 

51 

51 

50

50 

51 

49 

47 

45

43 

42 

43 

43 

43 

44

49

November

max

45 

47 

48 

48 

47

47 

49 

49 

49 

49

48 

49 

49 

48 

49

49 

49 

49 

49 

49

48 

48 

48 

48 

47

47 

47 

47 

45 

43

48

min

45 

45 

47 

47 

47

47 

47 

49 

49 

48

48 

48 

47 

47 

48

49 

49 

49 

49 

48

47 

47 

47 

47 

46

47 

47 

45 

43 

39

47

December

max

39 

39 

41 

43 

44

44 

44 

43 

42 

43

42 

41 

43 

43 

44

43 

41 

40 

40 

40

41 

43 

43 

43 

42

40 

39 

39 

41 

44 

45

42

min

38 

38 

39 

41 

43

44 

43 

42 

42 

42

41 

40 

40 

43 

43 

41 

40 

39 

39 

40

40 

41 

43 

42 

40

39 

37 

38 

39 

41 

44

41

January

max

45 

45 

43 

42 

41

41 

41 

41 

41 

41

41 

41 

41 

41 

41

41 

40 

41 

41 

41

41 

42 

42 

43 

43

43 

41 

41 

41 

43 

43

42

min

45 

43 

42 

41 

41

41 

41 

41 

41 

41

41 

41 

41 

41 

41

40 

40 

40 

40 

40

41 

41 

42 

42 

43

41 

41 

40 

40 

41 

43

41

February

max

43 

41 

41 

41 

42

42 

43 

43 

43 

43

42 

43 

43 

43 

43

43 

42 

41 

38 

38

38 

40 

41 

41 

40

40 

40 

40

41

min

41 

41 

41 

41 

41

42 

42 

43 

43 

41

41 

42 

43 

42 

43

42 

41 

38 

37 

36

37 

38 

40 

40 

39

39 

39 

39

40

March

max

41 

41 

41 

41 

40

41 

41 

41 

41 

41

42 

42 

41 

41 

41

41 

43 

42 

42 

41

40 

40 

41 

42 

43

44 

44 

44 

44 

43 

45

42

min

39 

41 

41 

40 

39

38 

39 

40 

40 

41

41 

41 

41 

40 

40

40 

40 

40 

41 

39

39 

40 

40 

41 

42

43 

43 

44 

43 

43 

43

41

April

max

45 

43 

43 

44 

44

45 

46 

46 

46 

45

43 

43 

43 

43 

43

42 

43 

43 

43 

43

44 

44 

44 

44 

44

43 

42 

43 

45 

46

44

min

43 

42 

41 

42 

42

42 

43 

43 

45 

43

41 

42 

43 

42 

42

42 

42 

42 

42 

42

43 

43 

43 

43 

43

42 

41 

42 

43 

44

42
WILLAMETTE RIVER BASIN Continued 

MIDDLE FORK WILLAMETTE RIVER AT JASPER, 

LOCATION. Temperature recorder at gaging station, 25 feet downstream from highway bridge at 

and 7| miles southeast of Springfield. 

DRAINAGE AREA. 1,340 square miles.

RECORDS AVAILABLE. Water temperatures: October 1953 to September 1955.

EXTREMES, 1954-55.--Water temperatures: Maximum, 66°F July 31, Aug. 1; minimum, 38°F Feb. 19

EXTREMES, 1953-55. Water temperatures: Maximum, 66°F July 31, Aug. 1, 1955; minimum, 38°F F

REMARKS. Record of discharge for water year October 1954 to September 1955 given in WSP 1398

Temperature (°F) of water, water year October 1954 to Sep

Day

2. ..................

4. ..................

5. ..................

6...................

7. ..................

8...................

10...................

11...................

12...................

14...................

17...................

18...................

20. ..................

22...................

23. ..................

25...................

28...................

28. ..................

29. ..................

30. ..................

31...................

October

max

61 

60 

61 

60 

59

59 

59 

59 

59 

59

59 

58 

56 

58 

58

58 

58 

58 

57 

56

56 

55 

54 

53 

53

53 

53 

52 

53 

53 

54

57

min

57 

57 

57 

57 

59

58 

58 

57 

56 

58

58 

56 

54 

55 

56

57 

56 

56 

56 

55

55 

53 

52 

51 

51

50

51 

50 

50 

51 

51

55

November

max

52 

52 

53 

53 

52

52 

53 

53 

52 

52

52 

52 

51 

51 

52

52 

51 

50 

50 

50

51 

51 

51 

51 

51

50 

50 

49 

49 

47

51

min

51 

52 

52 

51 

52

52 

52 

52 

52 

51

52 

51 

50 

51 

51

51 

50 

50 

50 

49

50 

50 

51 

50 

50

50 

49 

48 

47 

46

50

December

max

46 

43 

45 

45 

45

45 

45 

44 

44 

45

44 

43 

44 

44 

44

43 

47 

41 

41 

42

42 

44 

44 

44 

43 

42 

41 

41 

42 

44 

44

43

min

43 

43 

43 

45 

45

45 

44 

43 

43 

44

43 

43 

43 

44 

43

42 

41

41 

41 

41

41 

42 

44 

43 

41

41 

39 

39 

41 

42 

44

42

January

max

44 

44 

43 

42 

42

42 

42 

42 

42 

42

42 

42 

42 

42 

42

42 

41 

41 

41 

41

42 

43 

43 

43 

43 

42 

41 

41 

41 

42 

42

42

min

44 

43 

42 

42 

42

42 

42 

42 

42 

42

42 

42 

42 

42 

42

41 

41 

41 

41 

41

41 

41 

42 

42 

42

41 

41 

41

41 

41 

42

42

February

max

42

41 

41 

41 

42

42 

43 

43 

43 

42

42 

43 

44 

43 

42

42 

42 

41 

41 

41

41 

41 

43 

42 

42 

42 

41 

41

42

min

41 

40 

41 

40 

41

42 

42 

43 

42 

41

41 

42 

42 

42 

42

42 

41 

39 

38 

38

38 

41 

41 

41 

41 

41 

39 

41

41

March

max

41 

42 

41 

42 

42

43 

44 

44 

43 

43

43 

43 

42 

42 

43

42

44 

45 

42 

44

43 

42 

42 

43 

43

44 

44 

44 

44 

44 

46

43

min

41 

41 

41

41 

39

39 

40 

41 

42 

43

42 

42 

41 

41 

40

40 

40 

41 

41 

39

41 

41 

41 

42 

43

43 

44 

44 

44 

43 

44

41

April

max

46 

45 

46 

46 

47

47 

47 

47 

47 

45

45 

45 

45 

44 

44

45 

46 

46 

45 

45

46 

46 

46 

46 

46

45

45 

45 

49 

50

46

min

4

4

4

4

4

4

4

4

4

4

4

4

4

4

4

4

4

4

4

4

4

4

4
WILLAMETTE RIVER BASIN

SOUTH FORK McKENZIE RIVER NEAR RAINBOW, O

LOCATION. Temperature recorder at gaging station, 0.2 mile upstream from Cougar Creek, 2 miles 

town of Blue River. 

DRAINAGE AREA. 211 square miles

RECORDS AVAILABLE. Water temperatures: July to September 1955.

EXTREMES, July to September 1955. Water temperatures: Maximum 62°F July 15, 22, Aug. 1; minim

REMARKS. Thermograph installed July 14, 1955. Record of discharge for water year October 1954 

Temperature (°F) of water, July to September 1955

Day

1

2

3

4

5

6

7

8

9

10

Average

July

max

..

__

_

_

_

min

_

_

_

_

_

August

max

62

61

59

60

61

61

60

60

59

60

min

55

54

52

53

53

54

54

53

52

53

September

max

55

55

56

56

55

56

54

55

54

54

min

49

50

51

51

51

52

52

51

50

50

Day

11

12

13

14

15

16

17

18

19

20

July

max

_

62

58

59

60

60

61

min

_

-_

56

54

52

53

53

53

August

max

60

59

57

58

58

57

57

58

58

57

min

53

52

51

51

51

53

50

51

51

51

September

max

56

54

53

52

51

51

52

52

52

51

min

52

50

50

50

50

50

50

48

48

50
WILLAMETTE RIVER BASIN--Continued 

LOOKOUT CREEK NEAR BLUE RIVER, OREG.

LOCATION. Temperature recorder at gaging station, 0.4 mile upstream from mouth and 6 miles nor

DRAINAGE AREA.--24.1 square miles.

RECORDS AVAILABLE. Water temperatures: December 1950 to September 1955 (discontinued).

EXTREMES, 1954-55. Water temperatures: Maximum, 63°F Aug. 6; minimum, 35°F Dec. 28, Feb. 18-2

EXTREMES, 1950-55.--Water temperatures: Maximum, 64°F July 16-18, 23, 1951, Aug. 2-4, 12, 1952

REMARKS. Records of discharge for water year October 1954 to September 1955 given in WSP 1398

Temperature (°F) of water, water year October 1954 to Sep

Day

2...................

3...................

4...................

5. ..................

6. ..................

7...................

8. ..................

9. ..................

10...................

11...................

12...................

13...................

14...................

15...................

16...................

17. ..................

18...................

19...................

20. ..................

21...................

22...................

23...................

24...................

25...................

26...................

27...................

28...................

29...................

30...................

31...................

October

max

49 

49 

49 

49 

49

49 

49 

50 

50 

50

50 

49 

47 

47 

48

49 

49 

48 

48 

48

48 

48 

47 

45 

45

44 

43 

44 

44 

44 

45

48

min

47 

47 

46 

46 

48

48 

48 

49 

48 

49

49 

47 

46 

45 

46

47 

48 

47 

48 

47

48 

47 

45 

44 

43

42 

42 

43 

43 

43 

44

46

November

max

45 

45 

45 

45 

45

46 

46 

46 

46 

46

46 

46 

46 

46 

46

46 

46 

46 

46 

46

45 

45 

45 

45 

45

45 

45 

44 

42 

40

45

mln

44 

45 

45 

44

44

45 

46 

46 

46 

46

46 

46 

45 

45 

46

46 

46 

46 

46 

45

45 

45 

45 

45 

45

45 

44 

42 

40 

39

45

December

max

39 

39 

40 

41 

42

42 

41 

41 

40 

41

40 

40 

40 

41 

41

41 

40 

40 

39 

39

40 

41 

41 

41 

39

38 

37 

37 

37 

40 

41

40

min

39 

39 

39 

40 

41

41 

41 

40 

40 

40

39 

39 

39 

40 

40

40 

39 

39 

39 

39

39 

40 

40 

38 

37

37 

36 

35 

36 

37 

40

39

January

max

41 

41 

41 

39 

39

39 

39 

39 

39 

39

39 

38 

38 

38 

38

37 

37 

37 

37 

38

38 

39 

39 

39 

39

39 

38 

38 

39 

39 

39

39

min

41 

41 

39 

38 

38

38 

37 

37 

38 

38

38 

38 

38 

38 

36

36 

36 

37 

37 

37

38 

38 

38 

38 

39

38 

38 

38 

38 

39 

39

38

February

max

39 

39 

39 

38 

38

38 

39 

39 

39 

38

39 

39 

39 

39 

39

39 

38 

37 

36 

37

37 

38 

38 

38 

38

37 

37 

37

38

min

39 

39 

38 

37 

37

37 

38 

38 

38 

38

38 

38 

38 

38 

38

38 

37. 

35 

35 

35

36 

37 

38 

37 

36

36 

35 

36

37

March

max

37 

38 

38 

38 

37

38 

39 

39 

39 

39

39 

38 

38 

38 

39

40 

40 

40 

40 

39

38 

38 

38 

39 

40

40 

40 

40 

40 

40 

41

39

min

36 

37 

37 

36 

35

36 

37 

37 

37 

38

38 

38 

37 

37 

37

38 

37 

38 

38 

36

37 

38 

38 

38 

39

39 

40 

40 

40 

39 

39

38

April

max

41 

40 

41 

41 

42

42 

42 

42 

41 

41

40 

40 

40 

41 

41

40 

42 

40 

40 

40

40 

41 

42 

42 

41

40 

40 

41 

43 

44

41

min

40 

39 

39 

39 

38

39 

39 

39 

40 

40

37 

39 

39 

40 

40

40 

40 

40 

38 

39

40 

40 

40 

40 

40

38 

38 

39 

40 

41

39
WILLAMETTE RIVER BASIN Continued 

NORTH SANTIAM RIVER BELOW BOULDER CREEK, NEAR DET

DRAINAGE'AREAI!--216Usquare0mile8at ^^ Station ' half a mile downstream from Boulder Creek 

RECORDS AVAILABLE. Water temperatures: April 1951 to September 1955

reroS^ 1 iQtf"^'"l!a ^ er temPera tureS: Maximum 57°F July 22, 23, 30] 31, Aug. 1, 5-8, 10, 1

tor 5, 1955 r temPeratureS: Maximum 59°F July 28, Aug. 1-3, 1952, Aug. 18, 19, 1

REMARKS.--Records of discharge for water year October 1954 to September 1955 given in WSP 139

Temperature (°F) of water, water year October 1954 to Sept

Day

1...................

2. ..................

3...................

4. ..................

5...................

6. ..................

7. ..................

8. ..................

9...................

10...................

11...................

12...................

13...................

14...................

15...................

16...................

17...................

18. ..................

19. ..................

20. ..................

21...................

22. ..................

23...................

24. ..................

25...................

26. ..................

27. ..................

28...................

29. ..................

30. ..................

31...................

October

max

47 

47 

47 

47 

48

48 

48 

49 

48 

48

48 

48 

46 

45 

47

48 

48 

48 

47 

47 

47 

47 

47 

45 

44

43 

42 

42 

43 

43 

44

46

min

44 

45 

45 

45 

47 

48 

48 

48 

47 

47

47 

46 

45 

44 

45

47 

48 

46 

47 

45

46 

47 

45 

43 

43

41 

41 

42 

42 

42 

43

45

November

max

44 

44 

45 

44 

45 

46 

47 

46 

45 

45

45 

45 

44 

44 

44

44 

44 

43 

44 

44

43 

43 

43 

41 

41

41 

40 

39 

37 

35

43

min

43 

43 

44 

43 

43

45 

46 

45 

45 

44

44 

44 

42 

43 

44

44 

42 

42 

43 

43

43 

43 

43 

40 

40

40 

39 

37 

35 

38

42

December

max

33 

34 

35 

36 

37 

37 

37 

37 

37 

37

37 

37 

37 

38 

38

38 

37 

37 

36 

37 

38 

38 

38 

38 

36

35 

36 

37 

37 

37 

38

37

min

32 

33 

34 

35 

36 

36 

36 

36 

36 

37

36 

37 

37 

37 

38

36 

36 

36 

36 

36 

37 

37 

38 

36 

35

35 

34 

35 

37 

37 

37

36

January

max

39 

39 

38 

37 

38 

38 

37 

37 

37 

37

37 

36 

36 

36 

36

35 

35 

35 

35 

36 

36 

37 

37 

36 

37

37 

36 

35 

36 

37 

37

37

min

38 

38 

37 

37 

37

37 

36 

36 

37 

37

36 

36 

36 

36 

35

35 

35 

35 

35 

35 

35 

36 

36 

36 

36

36 

35 

35 

35 

36 

37

36

February

max

37 

37 

37 

37 

37 

37 

37 

37 

37 

36

37 

38 

38 

37 

38

37 

37 

36 

34 

35 

36 

37 

38 

38 

37

37 

37 

37

37

min

36 

36 

36 

36 

36

36 

37 

37 

36 

35

35 

37 

37 

36 

37

36 

36 

34 

33 

34

34 

35 

38 

36 

36

36 

36 

34

36

March

max

34 

35 

35 

35 

35

36 

38 

38 

38 

39

38 

38 

37 

38 

38

39 

40 

40 

39 

38 

38 

37 

38 

38 

40

42 

42 

41 

41 

40 

43

38

min

34 

34 

35 

34 

32 

34 

36 

36 

36 

37

37 

37 

36 

36 

37

37 

37 

38 

38 

36

37 

36 

36 

36 

39

40 

40 

40 

40 

39 

40

37

April

max

42 

41 

42 

42 

43 

44 

44 

43 

42 

41

41 

40 

40 

40 

41

40 

42 

41 

40 

41

41 

41 

41 

42 

41

40 

40 

42 

44 

45

42

min

4

3

4

4

3

3

3

4

4

3

3

4

3

3

3

3

3

4

4

3

4

3

4

4

4

3

3

3

4

4

3
WILLAMETTE RIVER BASIN Continued 

BREITENBUSH RIVER ABOVE CANYON CREEK, NEAR DETR

nTI?mper«ture recorder at gaging station, 600 feet upstream from mouth of Canyon Cree

DRAINAGE AREA.--106 square miles. 

RECORDS AVAILABLE. Water temperatures: December 1950 to September 1955.

EXTREMES, 1954-55. Water temperatures: Maximum, 55°F Aug. 7, 8, 10, 11, 18, 19, Sept. 6; min

EXTREMES, 1950-55. Water temperatures: Maximum, 58°F July 17, 1951, Aug. 4, 13, 14, 1952; min

REMARKS. Records of discharge for water October 1954 to September 1955 given in WSP 1398.

Temperature (°I) of water, water year October 1954 to Septe

Day

1.. .................

2. ..................

3...................

4...................

5. ..................

6. ..................

7. ..................

8. ..................

9. ..................

10. ..................

11...................

12...................

13...................

14...................

15...................

16...................

17...................

18. ..................

19...................

20. ..................

21...................

22. ..................

23....................

24...................

25. ..................

26. ..................

27...................

28...................

30. ..................

31. ..................

Average .......

October

max

46 

46 

48 

47 

48

48 

48 

49 

49 

49

49 

49 

47 

46 

46

48 

48 

47 

47 

47

47 

47 

47 

46 

45

44 

43 

43 

43 

43 

44

47

min

45 

45 

46 

46 

47

47 

48 

48 

48 

48 

48 

47 

46 

45 

45

46 

47 

47 

47 

47

47 

47 

46 

44 

44

43 

43 

43 

43 

43 

43

46

November

max

44 

44 

44 

44 

43

44 

45 

45 

45 

45

45 

45 

45 

45 

44

44 

44 

43 

43 

43

43 

43 

43 

43 

43

43 

43 

43 

42 

40

44

min

44 

44 

43 

43 

43

43 

44 

45 

45 

45 

45 

45 

44 

43 

43

44 

43 

43 

43 

43 

43 

43 

43 

43 

43

43 

43 

42 

40 

39

43

December

max

39 

39 

40 

40 

40

40 

40 

40 

40 

40 

40 

40 

40 

40 

40

40 

39 

38 

38 

37

38 

38 

38 

38 

38

37 

36 

36 

36 

37 

38

39

min

38 

38 

38 

39 

39

40 

40 

40 

40 

40

39 

39 

39 

39 

39

39 

38 

38 

37 

37

37 

38 

38 

38 

37

36 

35 

35 

36 

36 

37

38

January

max

38 

38 

38 

38 

38

38 

37 

37 

37 

37

37 

37 

37 

37 

37

36 

36 

36 

36 

36

37 

37 

37 

37 

37

37 

37 

37 

37 

37 

37

37

min

38 

38 

38 

37 

37

37 

36 

36 

37 

37

37 

37 

37 

37 

36

36 

36 

36 

36 

36

36 

37 

37 

37 

37

37 

37 

37 

37 

37 

37

37

February

max

37 

37 

37 

37 

37

37 

37 

37 

37 

37

37 

37 

38 

38 

38

38 

38 

37 

36 

36

36 

37 

37 

37 

37

37 

36 

36

37

min

37 

37 

37 

37 

37

37 

37 

37 

37 

37

37 

37 

37 

38 

38

38 

37 

36 

36 

36

36 

36 

37 

37 

37

36 

36 

36

37

March

max

37 

37 

37 

37 

37

36 

37 

37 

38 

38

38 

38 

38 

37 

37

38 

38 

39 

39 

38

37 

37 

37 

38 

39

40 

40 

40 

40 

40 

41

38

min

36 

37 

37 

37 

36

36 

36 

37 

37 

38

38 

38 

37 

37 

37

37 

38 

38 

38 

37 

37 

37 

37 

37 

38

39 

40 

40 

40 

40 

40

38

April

max

41 

41 

41 

41 

41

42 

42 

42 

42 

42

41 

41 

41 

41 

42

42 

42 

42 

42 

42

42 

42 

42 

42 

42

42 

42 

42 

43 

44

42

min

4

4

4

4

4

4

4

4

42 

4

40 

41 

4

4

4

42 

42 

4

4

42

42 

4

4

4

4

4

4

4

4

4

4
WILLAMETTE RIVER BASIN--Continue

NORTH SANTIAM RIVER AT NIAGARA, OR

LOCATION. Temperature recorder at gaging station, 0.8 mile downstream from Big Cliff Dam an

DRAINAGE AREA.--453 square miles.

RECORDS AVAILABLE. Water temperatures: January 1953 to September 1955.

EXTREMES, 1954-55. Water temperatures: Maximum, 54°F Oct. 8-18, 20; minimum, 38 °F many day

EXTREMES, 1953-55. Water temperatures: Maximum, 54°F Oct. 8-18, 20, 1954; minimum, 38°many da

REMARKS. Records of discharge for water year October 1954 to September 1955 given in WSP 13

Temperature (°F) of water, water year October 1954 to 

Day

2...................

3...................

4...................

5...................

6...................

7...................

8. ..................

9. ..................

10...................

11...................

12. ..................

13...................

14. ..................

15...................

16. ..................

17...................

18...................

19...................

20. ..................

21...................

22...................

23. ..................

24. ..................

25...................

26...................

27...................

28...................

29...................

30. ..................

31...................

Average .......

October

max

53 

53 

53 

53 

53

53 

53 

54 

54 

54

54 

54 

54 

54 

54

54 

54 

54 

53 

54

53 

53 

53 

53 

53 

53 

53 

53 

53 

53 

53

53

min

53 

53 

53 

53 

53

53 

53 

53 

53 

53

53 

53 

53 

53 

54

54 

54 

53 

53 

53

53 

53 

53 

53 

53

53 

53 

53 

53 

53 

53

53

November

max

53 

53 

52 

52 

52

52 

52 

51 

51 

51

51 

51 

51 

51 

51 

51 

50 

50 

50 

50

50 

50 

50 

49 

49 

48 

48 

48 

48 

48

50

mln

53 

52 

52 

52 

52

52 

51 

51 

51 

Si

51 

51 

51 

51 

51

50 

50 

50 

49 

49

49 

49 

49 

49 

48

48 

47 

47 

48

47

50

December

max

47 

47 

47 

47 

47

46 

46 

45 

45 

45

45 

44

44 

44 

44

43 

42 

42 

42 

42

42 

42 

42 

42 

42 

41 

41 

40 

40 

40 

40

43

min

47 

47 

47 

47 

46

46 

45 

45 

45 

45

44 

44 

44 

44 

43 

42 

42 

42 

42 

42

42 

42 

42 

42 

41

41 

40 

40 

40 

40 

39

43

January

max

39 

39 

39 

39 

39

39 

39 

39 

39 

39

39 

39 

39 

39 

39

39 

39 

39 

39 

39

39 

39 

39 

39 

39

39 

39 

39 

38 

38 

38

39

min

39 

39 

39 

39 

39

39 

39 

39 

39 

39

39 

39 

39 

39 

39

39 

39 

39 

39 

39

39 

39 

39 

39 

39

39 

39 

38 

38 

38 

38

39

February

max

38 

38 

38 

38 

38

38 

38 

38 

38 

38

38 

38 

38 

38 

38 

38 

38 

38 

38 

38

38 

38 

38 

38 

38

38 

38 

38

38

min

38 

38 

38 

38 

38

38 

38 

38 

38 

38

38 

38 

38 

38 

38

38 

38 

38 

38 

38

38 

38 

38 

38 

38

38 

38 

38

38

March

max

38 

39 

39 

39 

39

39 

39 

39 

39 

39

39 

39 

39 

40 

39

39 

39 

39 

39 

39

39 

39 

39 

39 

39

39 

39 

39 

39 

39 

39

39

min

38 

38 

39 

39 

38

38 

38 

38 

38 

38

48 

38 

39 

39 

39 

39 

39 

39 

39 

39

39 

39 

39 

39 

39 

39 

39 

39 

39 

39 

39

39

April

max

39 

39 

39 

39 

39

40 

40 

40 

40 

40

40 

40 

40 

40 

40

40 

40 

40 

40 

40

41 

41 

41 

41 

41 

41 

41 

41 

42 

42

40

m

a No temperature record.
WILLAMETTE RIVER BASIN--Continued 

MIDDLE SANTIAM RIVER AT MOUTH, NEAR FOSTER

LOCATION. Temperature recorder at gaging station, half a mile upstream from mouth and 2J mile

DRAINAGE AREA.--287 square miles.

RECORDS AVAILABLE.--Water temperatures; September 1953 to September 1955.

EXTREMES, 1954-55.--Water temperatures: Maximum, 70°F Sept. 5, 6; minimum, 37°F Feb. 19-21.

EXTREMES, 1953-55. Water temperatures: Maximum, 70°F Sept. 5, 6, 1955; minimum, 37°F Jan. 25

REMARKS.--Records of discharge for water year October 1954 to September 1955 given in WSP 1398

Temperature (°F) of water, water year October 1954 to Sep

Day

1...................

2. ..................

3...................

4. ..................

5. ..................

6...................

7...................

8. ..................

9. ..................

10. ..................

11. ..................

12...................

13...................

14...................

15...................

16...................

17...................

18. ..................

19...................

20. ..................

21...................

22...................

23...................

24. ..................

25. ..................

26...................

27...................

28...................

29. ..................

30. ..................

31. ..................

October

max

52 

52 

52 

52 

52

52 

53 

54 

54 

53

53 

53 

49 

48 

49

50 

51 

51 

51 

50

49 

49 

48 

47 

45

45 

43 

44 

44 

44 

45

49

min

50 

50 

50 

50 

50

51 

51 

52 

52 

52

53 

49 

47 

46 

47

49 

50 

50 

50 

49

49 

48 

47 

45 

45

43 

42 

43 

43 

44 

44

48

November

max

45 

46 

47 

47 

46

47 

48 

48 

48 

48'

47 

48 

48 

47 

47

47

47 

47 

47 

47

47 

47 

47 

47 

46

46 

46 

46 

44 

41

47

min

45 

45 

46 

46 

46

46 

47 

48 

48

47

47 

47 

47 

47 

47

47 

46 

46 

47 

47

46 

46 

47 

46 

45

46 

46 

44 

41 

40

46

December

max

40 

40 

42 

43 

43

43 

43 

42 

42 

42

42 

41 

42 

43 

43

42 

41 

40 

41 

41

42 

43 

43 

43 

41

39 

38 

38 

40 

41 

42

41

min

39 

39 

40 

41 

42

43 

42 

41 

41 

42

41 

41 

41 

42 

42 

41 

40 

40 

40 

41

4l 

42 

43 

41 

39

38 

38 

38 

38 

40 

41

41

January

max

42 

42 

42 

41 

41

41 

40 

40 

40 

40

40 

40 

40 

40 

40

40 

39 

39 

39 

40

40 

41 

41 

41 

41

41 

40 

40 

41 

41 

41

40

min

42 

42 

41 

40 

40

40 

40 

40 

40 

40

40 

40 

40 

40 

40

38 

38 

39 

39 

39

40 

40 

41 

40 

40

40 

39 

39 

39 

40 

41

40

February

max

41 

41 

41 

41 

41

41 

41 

42 

42 

41

41 

42 

42 

42 

42

41 

41 

40 

38 

38

39 

40 

41 

41 

40

40 

40 

40

41

min

40 

40 

41 

40 

40

41 

41 

41 

41 

40

40 

41 

41 

41 

41 

41 

40 

38 

37 

37

37 

39 

40 

40 

39

39 

39 

39

40

March

max

40 

40 

40 

40 

39

40 

42 

41 

41 

41

40 

41 

41 

41 

41

41 

42 

43 

43 

41

41 

40 

40 

41 

42

43 

43 

43 

43 

42 

44

41

mm

39 

39 

39 

39 

38

38 

39 

39 

40 

40

40 

40 

39 

39 

39

40 

41 

41 

41 

39

39 

39 

40 

40 

41

42 

42 

42 

42 

41 

41

40

April

max

44 

42 

42 

43 

44

45 

45 

45 

44 

43

42 

42 

42 

42 

43

43 

44 

44 

44 

43

43 

44 

44 

44 

44

44 

43 

44 

46 

48

44

mm

42 

41 

41 

41 

41

41 

42 

42 

43 

41

40 

41 

41 

41 

41 

43 

43 

43 

43 

42

43 

42 

43 

43 

43

42 

42 

43 

44 

44

42
WILLAMETTE RIVER BASIN Continued

WILLAMETTE RIVER AT SALEM, OREG.

LOCATION. At bridge on Oregon Highway 22,300 feet downstream from gaging station at Salem, Marion 

DRAINAGE AREA. 7,280 square miles, approximately.

RECORDS AVAILABLE.--Chemical analyses; August to December 1910, August 1911 to August 1912, Febru

Water temperatures: February 1951 to September 1955. 

EXTREMES, 1954-55.--Dissolved solids: Maximum, 59 ppm Nov. 1-10; minimum, 41 ppm June 1-10.

Hardness: Maximum, 23 ppm Nov. 1-10, 11-20; minimum, 14 ppm May 21-31, June 11-20.

Specific conductance: Maximum daily, 133 micromhos Nov. 7; minimum daily, 39.4 micromhos June 1

Water temperatures: Maximum, 71°F Aug. 6, Sept. 3, 4, 5; minimum, 40°F Dec. 28. 

EXTREMES, 1951-55. Dissolved solids: Maximum, 69 ppm Nov. 1-30, 1952; minimum, 38 ppm Nov. 22-30

Hardness: Maximum, 28 ppm Sept. 16-20, 24-29, 1951, Aug. 11-20, Oct. 11-31, 1952, Aug. 1-10, 19

Specific conductance: Maximum daily, 133 micromhos Nov. 7, 1954; minimum daily, 34.6 micromhos 

Water temperatures: Maximum, 75°F on many days during summer months; minimum, 35°F Nov. 30, 195

REMARKS. Values reported for dissolved solids are residues on evaporation. Records of specific c

at Portland, Oreg. Records of discharge for water year October 1954 to September 1955 given in 

Chemical analyses, in parts per million, water year October 1954 t

Date of collection

Oct. 1-16, 1954 ..

Nov. 11-20. ......

Nov. 21-30. ......

Jan. 1-10, 1955 ..

Feb. 1-10 .......

Feb. 11-20. ......

Mar. 21-31 ......

Apr. 21-30 ......

May 21-31........

Mean 

discharge 

(cfs)

8,856 

13,030 

9,060 

18,750 

19,130

16,170 

23,090 

24,290 

55,570 

24,550

27,450 

22,140 

13,190 

24,050 

21,550 

38,450

38,750 

51,560 

43,120 

25,120 

25,070 

25,340

Silica 

(Si02)

18 

13

16

Iron 

(Fe)

0.03 

.06

.04

Calcium 

(Ca)

6.0 

5.0

5.2

Magnesium 

(Mg)

1.8 

1.3

.9

Sodium 

(Na)

4.3 

3.9 

4.8 

4.0 

3.6

3.8 

3.5 

3.6 

3 3 

3.5

3.3 

3.5 

3.9 

3.5 

3.6 

3.1

3.3 

3.0 

3 3 

3.2 

3.1 

3.0

Potassium 

(K)

1.0 

.6

.6

Bicarbonate 

(HCO,)

31 

30 

35 

31 

28

28 

26 

26 

24 

27

25 

25 

27 

26 

27 

21

26 

26 

26 

27 

24 

26

Sulfate 

(S04 )

2.6 

3.0

1.6

Chloride 

(Cl)

2.5 

2.0

1.5

Fluoride 

(F)

0.2 

.2

.1

Nitrate 

(NO,)

0.4 

1.3

.7

Boron 

(B)

0.01 

.09

.01
WILLAMETTE RIVER BASIN Continued 

WILLAMETTE RIVER AT SALEM, OREG. Continued 

Chemical analyses, in parts-per million, water year October 1954 to Septem

Date of collection

June 1-10, 1955 ..

July 1-10 ........

Aug. 1-10. .......

Sept. 21-30 ......

Weighted average

Mean 

discharge 

(cfs)

27, 280 

25,490 

15,820 

13,490 

9,959 

8,022

6,698 

6,375 

6,178 

6,538 

8,334 

7,814

20,740

Silica 

(SiOs)

15

Iron 

(Fe)

0.03

Calcium 

(Ca)

5.2

Magnesium 

(Mg)

0.9

Sodium 

(Na)

2.9 

2.8 

3.0 

3.4 

3. 8 

4.0

4.4 

4.2 

4.2 

4.4 

4.0 

4.2

3.4

Potassium 

(K)

0.9

Bicarbonate 

(HCO,)

24 

22 

24 

26 

30 

30

33 

31 

31 

32 

28 

29

26

Sulfate 

(SO,)

2.3

Chloride 

(Cl)

1.5

Fluoride 

(F)

0.3

-.

Nitrate 

(NO,)

0.8

Boron 

(B)

0.05
WILLAMETTE RIVER BASIN

WILLAMETTE RIVER BASIN Continued

WILLAMETTE RIVER AT SALEM, OREG. Continued

Temperature (°F) of water, water year October 1954 to September 1955

413

Day

1

2

3

4

5

6

7

8

9

10

11

12

13

14

15

16

17

18

19

20

21

22

23

24

25

26

27

28

29

30

31

Average

Oct.

58

59

60

59

58

59

58

_

_

--

_

54

54

55

57

57

57

57

55

53

52

52

52

..

~

Nov.

_

51

52

52

52

52

52

_

_

--

_

_

52

51

51

51

50

50

51

51

50

48

46

45

~

--

Dec.

43

42

43

44

45

45

45

45

45

45

44

45

45

45

44

_

44

42

41

43

44

45

45

43

42

41

40

43

45

45

44

Jan.

45

45

42

43

42

42

41

42

41

41

42

42

42

43

43

42

42

42

42

42

..

_.

--

--

..

42

42

44

44

--

Feb.

43

43

43

43

43

45

46

46

44

43

43

43

45

45

45

45

43

43

42

42

42

42

43

45

44

43

43

42

-.

44

Mar.

42

43

43

43

44

45

45

46

47

46

45

45

44

43

43

43

45

46

46

46

46

47

45

44

43

45

46

47

45

45

46

45

Apr.

47

47

46

47

48

50

51

50

50

48

47

47

46

46

46

47

47

47

47

47

47

47

47

47

47

47

47

47

48

51

48

May

51

51

53

54

--

56

56

55

55

55

55

53

52

51

50

50

51

5C

57

57

55

54

54

54

54

55

55

55

55

53

54

June

53

53

54

55

59

59

59

59

60

57

57

56

56

55

55

55

55

58

58

58

60

62

58

58

58

59

60

58

58

57

57

July

57

57

58

60

60

60

60

59

60

63

64

65

65

70

68

65

65

65

65

66

68

69

69

67

66

64

66

64

64

66

68

64

Aug.

70

69

68

70

70

71

70

70

70

70

70

69

69

68

68

68

68

70

70

70

69

69

68

67

67

66

67

69

69

66

66

69

Sept.

70

70

71

71

71

69

66

65

65

64

63

63

63

60

58

59

60

62

61

60

59

60

60

60

60

61

59

59

60

60

63
LEWIS RIVER BASIN

LEWIS RIVER AT ARIEL, WASH.

LOCATION. Temperature recorder at gaging station, at Ariel, Cowlitz County, half a mile downs

upstream from Cedar Creek. 

DRAINAGE AREA. 731 square miles.

RECORDS AVAILABLE. Water temperatures: October 1950 to Arpil 1952, October 1952 to July 1953

EXTREMES, 1954-55.--Water temperatures: Maximum recorded, 56°F Sept. 25; minimum, 39°F Feb. 2

EXTREMES, 1950-55.--Water temperatures: Maximum, 61°F Oct. 2-5, 1951; minimum, 37°F Feb. 6-16

REMARKS. Records of discharge for water year October 1954 to September 1955 given in WSP 1398

Temperature (°F) of water, water year October 1954 to Sep

Day

1.... ...............

4. ..................

5. ..................

6...................

7. ..................

8. ..................

9. ..................

10...................

11...................

12...................

13. ..................

14. ..................

15...................

16...................

17. ..................

18. ..................

19...................

20. ..................

21...................

22...................

23. ..................

24...................

25...................

26...................

27. ..................

28. ..................

30...................

31...................

Average .......

October

max

52 

54 

51 

52

52 

52 

52 

52 

52

52 

52 

52 

52 

52

52 

52 

53 

53 

53

53 

53 

52 

52 

52

52 

52 

52 

52 

52 

52

52

min

49 

47 

49 

49 

51

52 

52 

52 

51 

52

51 

52 

51 

51 

51

52 

52 

52 

53 

51

53 

52 

52 

51 

52

52 

52 

52 

52 

51 

51

51

November

max

52 

52 

52 

52 

51

51 

51 

51 

51 

51

51 

51 

50 

50 

50

50 

50 

49 

49 

49

49 

48 

48 

48 

48

48 

48 

47 

47 

47

50

min

51 

52 

52 

51 

51

51 

51 

51 

51 

51

50 

50 

50 

50 

50

50 

49 

49 

49 

49

48 

48 

48 

47 

48

48 

47 

47 

47 

47

49

December

max

47 

47 

47 

47 

47

47 

47 

47 

47 

47

46 

46 

46 

45 

45

45 

45 

45 

45 

45

45 

45 

45 

45 

44

43 

43 

43 

43 

43 

43

45

min

46

47 

47 

47 

47

46 

46 

45 

46 

46

45 

45 

45 

45 

45

45 

45 

45 

45 

45

45 

45 

45 

44 

43

43 

43 

43 

43 

43 

43

45

January

max

43 

43 

43 

43 

43

43 

42 

42 

42 

42

42 

42 

41 

41 

41

41 

41 

41 

41 

41

41 

41 

41 

41 

41

41 

41 

40 

40 

40 

40

42

min

43 

43 

43 

42 

42

42 

42 

42 

42 

42

42 

41 

41 

41 

41

41 

41 

41 

41 

41

41 

41 

41 

41 

41

41 

40 

40 

40 

40 

40

41

February

max

40 

40 

40 

40 

40

40 

40 

40 

40 

40

40 

40 

40 

40 

40

40 

40 

40 

40 

40

40 

40 

40 

40 

40

40 

40 

40

40

min

40 

40 

40 

40 

40

40 

40 

40 

40 

40

40 

40 

40 

40 

40

40 

40 

40 

40 

40

40 

39 

39 

39 

39

39 

39 

39

40

March

max

39 

39 

39 

39 

39

39 

39 

39 

39 

39

39 

39 

40 

40 

39

39 

39 

39 

43 

42

39 

39 

39 

39 

39

42 

45 

42 

41 

41 

41

40

min

39 

39 

39 

39 

39

39 

39 

39 

39 

39

39 

39 

39 

39 

39

39 

39 

39 

39 

39

39 

39 

39 

39 

39

39 

40 

41 

41 

41 

41

39

April

max

41 

41 

41 

41 

41

41 

41 

41 

41 

41

41 

41 

41 

41 

41

41 

41 

41 

41 

41

41 

41 

41 

41 

41

41 

41 

41 

42 

42

41

min

41 

41 

41 

41 

40

40 

40 

40 

41 

41

41 

41 

41 

41 

41

41 

41 

41 

41

41

41 

41 

41 

41 

41

41 

41 

41 

41 

42

41
LEWIS RIVER BASIN Continued

EAST FORK LEWIS RIVER NEAR HEISSON, WAS

UJCATION. Temperature recorder at gaging station, 60 feet downstream from Basket Creek, li mil

upstream from mouth. 

DRAINAGE AREA. 125 square miles.

RECORDS AVAILABLE. Water temperatures: June 1950 to June 1953, June 1954 to September 1955. 

EXTREMES, 1954-55. Water temperatures: Maximum, 67°F Sept. 6; minimum, 34°F Mar. 5.

EXTREMES, 1950-53, 1954-55. Water temperatures: Maximum, 74°F Aug. 4, 1952; minimum, 33°F Jan

REMARKS. Records of discharge for water year October 1954 to September 1955 given in WSP 1398.

Temperature (°F) of water, water year October 1954 to Sep

Day

4. ..................

5. ..................

6. ..................

8. ..................

9...................

10. ..................

11...................

12...................

14...................

15...................

16...................

17...................

18...................

19...................

20. ..................

21...................

22...................

23...................

24...................

25...................

26. ..................

27...................

28...................

30. ..................

31...................

October

max

49 49' 

50 

50 

50

50 

52 

53 

53 

51

51 

50 

49 

48 

49

50 

51 

51 

50 

49

48 

48 

47 

46 

45

44 

44 

44 

44 

46 

47

49

min

48 

48 

48 

50 

50

50 

50 

52 

51 

51

50 

49 

47 

47 

48

49 

50 

50 

49 

46

47 

47 

46 

43 

44

42 

43 

43 

43 

44 

46

47

November

max

47 

47 

46 

46 

48

48 

49 

49 

49 

48

48 

48 

48 

47 

47

47 

47 

47 

47 

47

47 

47 

47 

46 

47

47 

47 

45 

45 

43

47

min

47 

46 

46 

45 

46

48 

48 

49 

48 

48

48 

48 

47 

47 

47

47 

47 

47 

47 

46

46 

46 

45 

46 

46

47 

45 

45 

43 

41

46

December

max

41 

41 

43 

44 

44

44 

43 

43 

43 

43

43 

42 

43 

44 

44

42 

41 

41 

41 

41

43 

44 

44 

43 

41

40 

40 

40 

42 

43 

43

42

min

40 

40 

41 

43 

44

43 

43 

43 

43 

43

41 

41 

42 

43 

42

41

41 

40 

40 

41

41 

43 

43 

41 

40

40 

39 

39 

40 

42 

43

41

January

max

43 

43 

42 

41 

41

41 

41 

41 

40 

40

39

41 

41 

41 

41

41 

41 

41 

41 

41

42 

42 

42 

42 

42

42 

41 

41 

42 

43 

43

41

min

43 

42

41 

41 

41

41 

41 

40 

40 

39

39 

39

41 

41 

41

41 

40 

40 

40 

41

41 

42 

42 

42 

42

41 

40 

40 

40 

42 

42

41

February

max

42 

41 

41 

41 

41

42 

42 

42 

42 

42

40 

42 

43 

43 

42

42 

41 

41 

38 

38

39

41 

41 

41 

41

40 

39 

38

41

min

41 

41 

41 

40 

40

41 

42 

42 

42 

40

40 

40 

42 

41 

42

41 

41 

37 

36 

37

37 

39 

41 

41 

40

39 

38 

37

40

March

max

38 

39 

39 

38 

37

39 

40 

41 

41 

41

41 

40 

40 

40 

42

42 

41 

41 

41 

41

40 

41 

41 

41 

41

41 

43 

43 

42 

41 

43

41

min

37 

38 

38 

36 

34

36 

38 

39

41 

41

40 

40 

39 

39 

39

39 

38 

40 

40 

38

40 

40 

39 

40 

38

38 

40 

42 

40 

40 

41

39

April

max

43 

42 

43 

44 

45

46 

46 

46 

45 

42

42 

42 

42 

41 

41

42 

43 

43 

42 

42

42 

42 

42 

42 

42

41 

42 

44 

45 

46

43

min

41 

40 

41 

39 

40

41 

41 

43 

42 

41

40 

42 

41 

41 

41

41 

40 

41 

41 

41

42 

41 

41 

40 

40

41 

40 

40 

43 

43

41
KALAMA RIVER BASIN

KALAMA RIVER BELOW ITALIAN CREEK, NEAR KALAMA

miles northeast of Kalama, Cowlitz County

LOCATION. Temperature recorder at gaging station,

from Italian Creek. 

DRAINAGE AREA. 201 square miles.

RECORDS AVAILABLE. Water temperatures: October 1954 to September 1955.

EXTREMES, October 1954 to September 1955. Water temperatures: Maximum, 60°F Aug. 7, 20; minimu

REMARKS. Records of discharge for water year October 1954 to September 1955 given in WSP 1398.

Temperature (°F) of water, water year October 1954 to Sept

Day

4...................

5. ..................

6. ..................

7. ..................

8. ..................

9. ..................

10...................

11...................

12...................

13. ..................

14...................

16...................

18. ..................

19...................

20...................

21...................

22...................

23...:...............

24...................

25...................

26. ..................

28...................

29...................

30...................

31...................

Average .......

October

max

;;

-.

--

48

48 

48 

47 

46 

45

44 

43 

43 

44 

44 

44

--

min

--

--

--

-

48

48 

47 

46 

45 

44

43 

42 

42 

43 

44 

44

--

November

max

44 

45 

46 

46 

47

48 

48 

48 

48 

48

48 

48 

48 

47 

47

47 

47 

46 

46 

46

46 

46 

46 

45 

46

46 

46 

45 

44 

42

46

min

44 

44 

45 

46 

46

47 

48 

48 

48 

48

48 

48 

47 

47 

47

47 

46 

46 

46 

46

46 

46

45 

45 

45

46 

45 

44 

42 

40

46

December

max

40 

40 

42 

43 

44

44 

44 

43 

43 

43

43 

42 

43 

43 

43

42 

41 

41 

41 

42

42 

43 

43 

43 

41

40 

40 

40 

41 

42 

42

42

min

40 

40 

40 

42 

43

44 

43 

43 

43 

43

42 

42 

42 

43 

42

41 

41 

41 

41 

41

42 

42 

43 

41 

40

40 

40 

40 

40 

41 

42

42

January

max

42 

42 

42 

41

41

41 

41 

41 

40 

40

40 

40 

40 

40 

40

40 

40 

40 

40 

40

41 

41 

41 

41 

41

41 

41 

40 

40 

41 

41

41

min

42 

42 

41 

41 

41

41 

41 

40 

40 

40

40 

40 

40 

40 

40

39 

39 

40 

40 

40

40 

41 

41 

41 

41

41 

40 

40 

40 

40 

41

40

February

max

41 

40 

40 

40 

40

41 

41 

41 

41 

41

40 

41 

42 

42 

42

41 

40 

40 

38 

38

38 

40 

40 

40 

40

40 

39 

39

40

min

40 

40 

40 

40 

40

40 

41 

41 

41 

40

40 

40 

41 

42 

41

40 

40 

38 

38 

38

38 

38 

40 

40 

40

39 

39 

37

40

March

max

38 

38 

38 

38 

37

37 

39 

39 

40 

40

40 

40 

40 

40 

40

40 

40 

41 

41 

41

40 

41 

41 

41 

41

41 

42 

42 

42 

42 

42

40

min

37 

38 

38 

37 

36

36 

37 

39 

39 

40

39 

39 

40 

40 

40

40 

39 

40 

40 

39

40 

40 

40 

40 

40

39 

41 

42 

42 

41 

41

39

April

max

42 

42 

42 

42 

42

43 

44 

44 

44 

42

41 

42 

42 

42 

41

42 

43 

43 

42 

42

42 

43 

43 

43 

42 

42 

42 

43 

44 

45

42

min

42 

41 

41 

41 

41

42 

43 

44 

42 

41

41 

41 

41 

41 

41

41 

42 

42 

42 

42

42 

42 

42 

42 

42

42 

42 

42 

43 

43

42
COWLITZ RIVER BASIN 

CISPUS RIVER NEAR HANDLE, WASH.

LOCATION. Temperature recorder at gaging station, 60 feet upstream from bridge to Tower Roc

and 8 miles southeast of Randle, Lewis County. 

DRAINAGE AREA. 321 square miles.

RECORDS AVAILABLE. Water temperatures: May 1950 to September 1955.

EXTREMES, 1954-55. Water temperatures: Maximum recorded, 57°F Aug. 5-7, 9, 10; minimum, 33

EXTREMES, 1950-55. Maximum, 61'F Aug. 4, 9, 10, 15, 1952; minimum, freezing point on Jan. 2

REMARKS. Records of discharge for water year October 1954 to September 1955 given in WSP 13

Temperature (°F) of water, water year October 1954 to 

Day

1...................

3...................

4...................

5. ..................

6...................

7....... ............

8...................

9. ..................

10...................

11...................

1 9

1 1

1 ft

20. ..................

21...................

22. ..................

23...................

24...................

25...................

26...................

27...................

28. ..................

29...................

30. ..................

31...................

October

max

47 

46 

47 

48 

46

47 

47 

47 

48 

46

46 

46 

45 

46 

46

46 

48 

46 

45 

45

44 

44 

44 

42 

42

42 

42 

43 

43 

43 

44 

45

min

43 

42 

45 

45 

45

46 

46 

47 

46 

46

45 

43 

43 

42 

44

45 

45 

45 

45 

44

44 

44 

42 

40 

40

39 

40 

40 

41 

41 

42 

43

November

max

45 

43 

44 

43 

45

45 

45 

45 

44 

44

45 

45 

44 

44 

44

44 

43 

42 

43 

43

43 

43 

43 

42 

43

43 

42 

40 

40 

39

43

min

42 

42 

43 

42 

43

44 

45 

44 

44

44

44 

44 

43 

43 

44

43 

42 

42 

42 

42

42 

42 

42 

42 

42

42 

40 

40 

38 

38

42

December

max

38 

38 

40 

41 

41

41 

40 

40 

40 

40

40 

39 

40 

41 

41

39 

38 

39 

39 

41

41 

41 

41 

40 

39

38 

38 

38 

38 

38 

39 

40

min

38 

38 

38 

40 

41

40 

40 

40 

40 

40

39 

39 

39 

40 

39

38 

38 

38 

38 

39

40 

41 

40 

39 

37

37 

36 

36 

38 

38 

38 

39

January

max

39 

39 

39 

37 

38

38 

38 

38 

39 

39

38 

39 

39 

39 

38

38 

38 

38 

37 

37

38 

39 

39 

39 

40

39 

39 

39 

40 

41 

41 

39

min

39 

39 

37 

37 

37

38 

38 

38 

38 

38

38 

38 

38 

38 

38

38 

38 

37 

36 

37

37 

38 

39 

39 

39

38 

38 

38 

39 

40 

41 

38

February

max

41 

40 

40 

39 

40

40 

40 

40 

39 

38

39 

39 

41 

41 

41

40 

39 

38 

38 

39

40 

40 

39 

39 

38

39

37 

37

39

min

40 

40 

39 

39 

39

40 

40 

39 

38 

37

37 

39 

39 

39 

39

39 

38 

36 

36 

36

37 

39 

39 

38 

37

37 

36 

34

38

March

max

34 

36 

36 

36 

36

38 

40 

41 

40 

39

38 

38 

36 

41 

40

38 

42 

40 

41 

40

38 

39 

39 

41 

39

42 

43 

41 

41 

39 

41 

39

min

34 

34 

34 

34 

33

34 

36 

36 

39 

37

36 

36 

36 

36

37

37 

37 

38 

38 

35

37 

37 

37 

38 

36

37 

39 

40 

39 

39 

39 

37

April

max

41 

41 

43 

44 

45

45 

45 

42 

41 

41

41 

40 

40 

40 

40

41 

44 

41 

42 

42

42 

42 

41 

43 

42

41 

41 

45 

45 

45

42

m
COWLITZ RIVER BASIN Continued

COWLITZ RIVER NEAR KOSMOS, WASH

LOCATION. Temperature recorder at gaging station, half a mile downstream from Tumwater Cree

southeast of Kosmos, Lewis County. 

DRAINAGE AREA.--1,042 square miles.

RECORDS AVAILABLE. Water temperatures: November 1952 to September 1955.

EXTREMES, 1954-55. Water temperatures: Maximum, 61°F Aug. 7, 8, 18-20, minimum, 38°F Feb. 

EXTREMES, 1952-55. Water temperatures: Maximum, 62°F Aug. 12-16, 19, 20, 1953; minimum, 37

REMARKS. Records of discharge for water year October 1954 to September 1955 given in WSP 13

Temperature (°F) of water, water year October 1954 to 

Day

2. ..................

3...................

4...................

5. ..................

6. ..................

7.... ...............

8...................

9. ..................

10...................

11...................

12...................

13. ..................

14...................

15...................

16...................

17...................

18...................

19...................

20. ..................

21...................

23. ..................

24...................

25...................

26...................

27...................

28...................

29. ..................

30. ..................

31...................

October

max

51 

50 

50 

51 

51

51 

51 

51

51 

52

52 

51 

50 

48 

49

50 

50 

50 

50 

50

48 

48 

47 

46 

45

44 

44 

44 

44 

44 

45

49

mln

50 

49 

50 

50 

51

51 

51 

51 

51 

51

51 

50

47 

47 

48

49 

50 

50 

50 

48

48 

47 

46 

45 

44

43 

43 

43 

44 

44 

44

48

November

max

46 

46 

46 

46 

46

47 

47 

47 

47 

47

46 

46 

46 

46 

46

46 

46 

45 

45 

45

45 

45 

45 

45 

45

45 

45 

43 

43 

41

45

rain

45 

46 

46 

46 

46

46 

47 

47 

47 

46

46 

46 

46 

46 

46

46 

45 

45 

45 

45

45 

45 

45 

45 

45

45 

43 

43 

41 

39

45

December

max

39 

39 

39 

40 

41

41 

41 

41 

41 

41

41 

41 

40 

40 

40

40 

39 

39 

39 

40

41 

42 

42 

42 

41

39 

39 

39 

39 

39 

39

40

min

39 

39 

39 

39 

40

41 

41 

41 

41 

41

41 

40 

40 

40 

40

39 

39 

39 

39 

39

40 

41 

42 

41 

39

39 

39 

39 

39 

39 

39

40

January

max

39 

39 

39 

39 

39

39 

39 

39 

39 

39

39 

39 

39 

39 

39

39 

39 

39 

39 

39

39 

39 

40 

40 

40

40 

40 

40 

40 

40 

41

39

min

39 

39 

39 

39 

39

39 

39 

39 

39 

39

39 

39 

39 

39 

39

39 

39 

39 

39 

39

39 

39 

39 

40 

40

40 

40 

40 

40 

40 

40

39

February

max

41 

41

40 

40 

40

40 

40 

40 

40 

40

39 

40 

40 

40 

41

41 

41

40 

39 

39

39 

40 

40 

40 

40

40 

40 

39

40

min

41

40 

40 

40 

40

40 

40 

40 

40 

39

39 

39 

40 

40 

40

41 

40 

39 

39 

39

39 

39 

40 

40 

40

39 

39 

38

40

March

max

38 

39 

39 

39 

39

39 

40 

41 

41 

41

40 

40 

40 

40 

41

41 

41 

41 

42 

41

41 

41 

41 

41 

41

41 

44 

44 

45 

44 

43

41

min

38 

38 

39 

39 

39

39 

39 

40 

41 

40

40 

40 

39 

39 

40

40

40 

41 

41 

40

41 

41 

41 

41 

41

41 

41 

44 

44 

43 

43

40

April

max

44

44 

43 

44 

45

46 

46 

46 

46 

44

43 

43 

43 

43 

43

43 

44 

44 

44 

44

44 

44 

44

45 

45

45 

45 

46 

47 

48

44

m
COWLITZ RIVER BASIN Continued 

WEST FORK TILTON RIVER NEAR MORION, WASH

LOCATION. Temperature recorder at gaging station, three-quarters of a mile upstream from mouth 

DRAINAGE AREA.--16.4 square miles.

RECORDS AVAILABLE.--Water temperatures: August 1950 to September 1955.

EXTREMES, 1954-55. Water temperatures: Maximum, 61°F Aug. 7, Sept. 6; minimum, 33°F Feb. 28 t

EXTREMES, 1950-55.--Water temperatures: Maximum, 66°F Aug. 12, 1952; minimum, 33°F Nov. 26 to 

REMARKS. Records of discharge for water year October 1954 to September 1955 given in WSP 1398.

Temperature (°F) of water, water year October 1954 to Septe

Day

1...................

2...................

4. ..................

5. ..................

6. ..................

7. ..................

8...................

9. ..................

10...................

11. ..................

12...................

13. ..................

14...................

15...................

16. ..................

17. ..................

18. ..................

19...................

20. ..................

21. ..................

22. ..................

24...................

25...................

26. ..................

27. ..................

28...................

29. ..................

30...................

31...................

October

max

55 

53 

52 52' 

52

52 

55 

53 

52 

52

51 

49 

47 

47 

48

49 

49 

49 

48 

47

47 

46 

46 

45 

44

44 

45 

45 

45 

45 

46

49

min

48 

47 

50 

49 

50

51 

52 

52 

50 

51

49 

47 

46 

47 

47

48 

49 

48 

47 

47

46 

46 

45 

44 

43

43 

44 

44 

44 

45 

45

47

November

max

46 

46 

46 

46

47

47 

47 

47 

47 

46

47 

47 

47 

46 

46

46 

46 

46 

46 

46

46 

46 

46 

45 

46

46 

46 

44 

44 

43

46

min

46 

45 

46 

45 

46

46 

46 

47 

46 

46

46 

47 

46 

46 

46

46 

46 

46 

46 

46

46 

46 

45 

45 

45

46 

44 

44 

43 

42

46

December

max

42 

41 

42 

42 

43

43 

42 

42 

42 

42

42 

42 

42 

42 

42

42 

42 

42 

42 

42

42 

42 

42 

41 

39

39 

39 

39 

39 

40 

40

41

min

41 

41 

41 

42 

42

42 

42 

42 

42 

42

41 

41 

42 

42 

42

41 

41 

42 

41 

42

42 

41 

41 

39 

39

39 

39 

38 

38 

39 

40

41

January

max

40 

40 

40 

40 

40

40 

40 

40 

40 

40

39 

39 

39 

39 

39

39 

38 

38 

38 

38

38 

38 

39 

39 

39

39 

39 

39 

39 

39 

40

39

min

40 

40 

40 

39 

39

40 

39 

39 

39 

39

39 

39 

39 

39 

39

38 

38 

38 

38 

38

38 

38 

38 

39 

39

39 

39 

39 

39 

39 

39

39

February

max

40 

40 

40 

39 

39

39 

39 

39 

39 

38

38 

38 

39 

39 

39

38 

38 

37 

36 

36

37 

37 

37 

37 

37

36 

37 

36

38

min

39 

39 

39 

39 

39

39 

39 

39 

38 

38

38 

38 

38 

39 

38

38 

37 

36 

35 

35

36 

37 

37 

36 

36

37 

36 

33

37

March

max

33 

34 

34 

34 

34

34 

35 

35 

36 

36

35 

35 

35 

36 

36

36 

36 

37 

37 

36

36 

36 

36 

37 

38

39 

39 

39 

39 

39 

39

36

min

33 

33 

34 

33 

33

33 

33 

35 

35 

34

34 

34 

33 

35 

35

35 

35 

36 

37 

35

36 

36 

36 

36 

37

38 

39 

39 

38 

38 

38

35

April

max

39 

38 

39 

40 

40

40 

40 

40 

40 

40

40 

40 

40 

40 

40

40 

41 

42 

41 

42

42 

42 

41 

41 

42

42 

42 

43 

43 

44

41

min

38 

38 

38 

38 

38

38 

39 

40 

40 

40

40 

40 

40 

40 

40

40 

40 

41 

41 

41

42 

41 

41 

41 

41

41 

41 

42 

43 

42

40
COWLITZ RIVER BASIN Continued 

QOWLITZ RIVER NEAR MAYFIELD, WASH.

LOCATION. Temperature recorder at gaging station, 1 mile upstream from Mill Creek, 2 miles do

Mayfield, Lewis County. 

DRAINAGE AREA. 1,400 square miles.

RECORDS AVAILABLE. Water temperatures: October 1950 to September 1955. 

EXTREMES, 1954-55. Water temperatures: Maximum, 62°F Sept. 5; minimum, 36°F Mar. 2-6.

EXTREMES, 1950-55. Water temperatures: Maximum, 67°F Aug. 5, 9-13, 1952; minimum, 35°F Jan. 

REMARKS. Records of discharge for water year October 1954 to September 1955 given in WSP 1398

Tempeiature (°F) ol wacer, water year October 1954 to Sep

Day

4. ..................

5. ..................

6...................

7. ..................

8. ..................

10...................

11...................

13. ..................

14...................

15...................

16...................

17. ..................

18...................

19...................

20...................

22...................

23. ..................

24. ..................

25...................

26...................

29...................

30...................

31...................

October

max

52' 

51 

51 

51 

51

51 

52 

52 

52 

52

51 

51 

49 

48 

49

50 

50 

50 

49 

49

47 

47 

46 

46 

44

44 

43 

43 

43 

44 

44

48

min

51 

51 

51 

51 

51

51 

51 

52 

52 

51

51 

49 

47 

46 

48

49 

50 

49 

49 

47

47 

46 

45 

43 

44

42 

42 

42 

43 

43 

44

48

November

max

45 

46 

46 

46 

46

46 

47 

47 

47 

47

47 

47 

47 

47 

47

47 

47 

46 

45 

45

45 

45 

45 

45 

45

45 

45 

43 

42 

42

46

min

44 

45 

46 

46 

46

46 

46 

47 

47 

47

47 

47 

47 

47 

47

47 

46 

45 

45 

45

45 

45 

45 

44 

44

45 

43 

42 

42 

39

45

December

max

39 

38 

39 

40 

41

41 

42 

41 

41 

41

41 

40 

40 

41 

41

41 

40 

39 

39 

40

41 

42 

42 

42 

41

39 

39 

38 

38 

39 

40

40

min

38 

38 

38 

39 

40

41 

41 

41 

41 

41

40 

40 

40 

40 

41

40 

39 

39 

39 

39

40 

41 

42 

41 

39

39 

38 

38 

38 

38 

39

40

January

max

40 

40 

40 

39 

39

39 

39 

39 

39 

39

39 

39 

39 

39 

39

39 

39 

39 

39 

38

38 

39 

39 

39 

39

39 

39 

39 

39 

40 

40

39

min

40 

40 

39 

39 

39

39 

39 

39 

39 

39

39 

39 

39 

39 

39

39 

39 

39 

38 

38

38 

38 

39 

39 

39

39 

39 

39 

39 

39 

40

39

February

max

40 

40 

40 

39 

39

39 

39 

39 

39 

39

39 

38 

40 

41 

41

41 

40 

39 

38 

37

38 

40 

40 

40 

40

40 

39 

39

39

min

40 

40 

39 

39 

39

39 

39 

39 

39 

39

38 

38 

38 

40 

41

40 

39 

38 

37 

37

37 

38 

40 

40 

40

39 

39 

37

39

March

max

37 

37 

36 

36 

36

37 

39 

39 

41 

41

40 

39 

39 

39 

39

39

40 

41 

41 

41

41 

41 

40 

41 

41

42 

43 

43 

43 

43 

42

40

min

37 

36 

36 

36 

36

36 

37 

39 

39 

40

39 

39 

38 

38 

39

39 

39 

40 

41 

40

41 

40 

40 

40 

40

40 

42 

43 

43 

42 

42

39

April

max

42 

42 

43 

43

45

46 

46 

46 

45 

43

43 

43 

43 

42 

42

42 

45 

45 

43 

44

44 

44 

44 

44 

44

44 

44 

45 

46 

48

44

min

42 

42 

42 

41 

43

44 

45 

45 

43 

42

42 

43 

42 

41 

41

41 

42 

43 

43 

43

44 

44 

44 

43 

43

44 

43 

42 

45 

45

43
COWLITZ RIVER BASIN Continued 

TOUTLE RIVER NEAR SILVER LAKE, WASH

LOCATION. Temperature recorder at gaging station, half a mile downstream from confluence of 

Lake, Cowlitz County. 

DRAINAGE AREA. 474 square miles.

RECORDS AVAILABLE. Water temperatures: October 1950 to September 1955.

EXTREMES, 1954-55. Water temperatures: Maximum, 64°F Aug. 20, Sept. 3-6; minimum, 34°F Mar. 

EXTREMES, 1950-55. Water temperatures: Maximum, 72°P Aug. 4, 1952; minimum, 33°F Jan. 1-3, 

REMARKS. Records of discharge for water year October 1954 to September 1955 given in WSP 139

Temperature (°F) of water, water year October 1954 to S

Day

2. ..................

3...................

4...................

5. ..................

6...................

7. ............... ..

8. ..................

9. ..................

10. ..................

11...................

12...................

13. ..................

14...................

15...................

16. ..................

17...................

18. ..................

19. ..................

20...................

21. ..................

22...................

23. ..................

24. ..................

25...................

26...................

27...................

28...................

29. ..................

30. ..................

31...................

Average .......

October

max

52 

51 

52 

52 

52

51 

53 

53 

53 

52

52 

51 

49 

51 

51

51 

52 

50 

50 

49

49 

48 

48 

45 

46

44 

44 

44 

44 

45 

45

49

min

48 

48 

50 

50 

50

50 

51 

52 

51 

52

50 

49 

47 

48 

48

49 

50 

49 

49 

48

48 

47 

45 

43 

44

43 

42 

42 

44 

44 

43

48

November

max

46 

45 

46 

46 

48

48 

48 

48 

48 

48

47 

48 

48 

48 

48

48 

47 

48 

48 

47

47 

47 

47 

46 

48

47 

46 

45 

45 

43

47

min

44 

44 

45 

44 

46

48 

47 

47 

47 

47

47 

47 

48 

48 

48

47 

47 

47 

47 

47

46 

46 

46 

45 

46

46 

45 

45 

43 

40

46

December

max

40 

39 

41 

43 

43

43 

42 

42 

42 

42

41 

41 

42 

42 

42

40 

40 

39 

39 

41

42 

42 

42 

41 

40

38 

38 

39 

40 

41 

41

41

min

39 

39 

39 

41 

43

42 

42 

42 

42 

41

41 

40 

41 

41 

40

39 

39 

39 

38 

39

41 

42 

41 

40 

38

37 

38 

38 

39 

40 

41

40

January

max

41 

40 

40 

39 

40

39 

39 

39 

39 

39

39 

40 

40 

39 

39

39 

39 

39 

38 

39

39 

40 

40 

40 

41

40 

39 

39 

40 

40 

41

40

min

40 

40 

39 

39 

39

39 

39 

39 

39 

39

39 

39 

39 

39 

39

39 

39 

38 

38 

38 

38 

39 

40 

40 

40

39 

39 

39 

39 

40 

40

39

February

max

40 

40 

40 

40 

40

40 

41 

41 

40 

39

40 

41 

42 

41 

42

40 

40 

39 

38 

38

38 

40 

40 

40 

39

39 

39 

38

40

min

39 

39 

39 

39 

40

40 

40 

40 

39 

38

39 

40 

41 

40 

40

39 

39 

37 

36 

36

36 

38 

39 

39 

39

38 

38 

36

39

March

max

36 

37 

37 

37 

37

38 

40 

39 

41 

40

39 

39 

39 

40 

40

40 

42 

42 

42 

41 

41 

41 

41 

41 

41

42 

44 

44 

43 

42 

43

40

min

36 

35 

36 

35 

34

35 

37 

38 

39 

39

38 

38 

38 

38 

38

38 

38 

40 

40 

38

40 

40 

40 

40 

40

40 

41 

43 

42 

41 

41

39

April

max

43 

43 

43 

44 

46

47 

47 

46 

45 

43

43 

43 

43 

42 

42

43 

44 

43 

42 

43

43 

44 

44 

44 

43

44 

43 

44 

46 

48

44

mi

4

4

4

4

4

4

4

4

4

4

4

4

4

4

4

4

4

4

4

4

4

4

4

4

4

4

4

4

4

4

4
COWLITZ RIVER BASIN--Continued

COWLITZ RIVER AT CASTLE ROCK, WASH

LOCATION. Temperature recorder at gaging station at highway bridge in Castle Rock, Cowlitz C

upstream from mouth. 

DRAINAGE AREA. 2,238 square miles.

RECORDS AVAILABLE.--Water temperatures: August 1950 to September 1955.

EXTREMES, 1954-55.--Water temperatures: Maximum, 64°F Aug. 7-9, 19-23, Sept. 6, 7; minimum, 

EXTREMES, 1950-55. Water temperatures: Maximum, 72°F Aug. 21, 1951; minimum, freezing point 

REMARKS. Records of discharge for water year October 1954 to September 1955 given in WSP 139

Temperature (°F) of water, water year October 1954 to S

Day

2. ..................

3...................

4...................

5. ..................

6. ..................

7. ..................

8. ..................

0. ..................

10...................

11...................

12...................

13...................

14...................

15...................

16. ..................

17. ..................

18...................

19...................

20...................

21...................

22...................

23. ..................

24...................

25...................

26...................

27...................

28...................

29. ..................

30...................

31...................

Average .......

October

max

54 

53 

53 

53 

53

53 

53 

54 

54 

54

54 

53 

52 

51

50

51 

51 

52 

51 

51

50 

49 

48 

48 

46

45 

45 

44 

45 

45 

45

50

min

53 

53 

53 

53 

53

53 

53 

53 

54 

54

53 

52 

51

50 

50

50 

51 

51 

51

50

49 

48 

48 

46 

45

45 

44 

44 

44 

45 

45

50

November

max

46 

46 

47 

47 

47

48 

48 

48 

48 

48

48 

48 

48 

48 

48

48 

48 

49 

48 

48

48 

47 

47 

47 

47

47 

47 

47 

46 

46

47

min

45 

46 

46 

46 

47

47 

48 

48 

48 

48

48 

48 

48 

48 

48

48 

48 

48 

48 

47

47 

47 

47 

47 

47

47 

47 

45 

46 

44

47

December

max

44 

43 

43 

43

44

44 

44 

44 

43 

43

43 

43 

43 

43 

43

43 

42 

41 

41 

41

41 

41 

42 

42 

41

42 

41 

41 

41 

42 

42

42

min

43 

43 

43 

43 

43

43 

44 

43 

43 

43

43 

43 

43 

43 

43

42 

41 

41 

41 

41

41 

41 

41 

41 

41

41 

40 

41 

41 

41 

42

42

January

max

42 

42 

42 

41 

41

42 

42 

42 

42 

42

42 

42 

43 

42 

42

42 

41 

41 

41 

41

41 

41 

42 

42 

42

42 

42 

42 

41 

41 

42

42

min

42 

42 

41 

41 

41

41 

42 

42 

42 

42

42 

42 

42 

42 

42

41 

41 

41 

41 

41

41 

41

41 

42 

42

42 

42 

41 

41 

41 

41

41

February

max

42 

42 

42 

41 

41

41 

41

42 

42 

40

40 

40 

42 

42 

43

43 

43 

42 

41 

41

41 

42 

42 

42 

42

42 

42 

41

42

min

42 

42 

41 

41 

41

41

41 

41 

40 

40

40 

40 

40 

42 

42

43 

42 

41 

41 

41

41 

41 

42 

42 

42

42 

41 

40

41

March

max

40 

40 

39 

39 

39

39 

40 

41 

42 

42

42 

41 

41 

40 

41

41 

42 

43 

43 

43

43 

43 

43 

42 

42

42 

44 

44 

44 

44 

43

42

min

40 

39 

39 

39 

39

39 

39 

40 

41 

42

41 

41

40 

40 

40

41 

41 

42 

43 

43

43 

43 

42 

42 

42

42 

42 

44 

44 

43 

43

41

April

max

43 

43 

43 

43 

44

46 

46 

46 

46 

46

44 

43 

43 

43 

43

43 

44 

44 

44 

44

44 

45 

45 

45 

45

45 

45 

46 

46 

48

44

min

43 

43 

43 

43 

43

44 

46 

46 

46 

44

43 

43 

43 

43 

43

43 

43 

44 

44 

44

44 

44 

45 

45 

44

45 

45 

45 

46 

46

44
COWLITZ RIVER BASIN

COWEMAN RIVER NEAR KELSO, WASH.

LOCATION. Temperature recorder at gaging station 3 miles downstream from Goble Creek, 3.8 m

upstream from mouth. 

DRAINAGE AREA. 119 square miles.

RECORDS AVAILABLE. Water temperatures: July 1950 to September 1955.

EXTREMES, 1954-55. Water temperatures: Maximum, 72°F Aug. 6, 7, 20; minimum, freezing poin

EXTREMES, 1950-55. Water temperatures: Maximum, 81°FAug. 4, 1952; minimum, freezing point 

REMARKS. Records of discharge for water year Octobe.r 1954 to September 1955 given in WSP 13

Temperature (°F) of water, water year October 1954 to S

Day

1...................

4...................

5. ..................

6. ..................

7. ..................

8. ..................

9. .................

10. ..................

11...................

12...................

13. ..................

14. ..................

15...................

16...................

17. ..................

18. ..................

19...................

20. ..................

21...................

22...................

23. ..................

24...................

25...................

26. ..................

27...................

28...................

29. ..................

30. ..................

31...................

October

max

52 

52 

53 

53 

53

53 

54 

57 

57 

56

55 

53 

51 

51 

51

53 

54 

54 

53 

52

50 

50 

49 

47 

47

46 

44 

44 

46 

46 

46

51

mln

49 

48 

50 

51 

52

51 

53 

54 

55 

55

53 

51 

48 

49 

49

50 

52 

51 

52 

50

50 

49 

47 

45 

45

43 

42 

42 

44 

44 

44

49

November

max

46 

46 

48 

48 

50

50 

50 

49 

50 

50

50 

50 

50 

50 

50

50 

49 

49 

49 

49

49 

49 

49 

47 

49

49 

48 

47 

45 

44

48

mln

43 

46 

46 

46 

48

50 

49 

49 

49 

50

49 

49 

49 

49 

50

49 

49 

49 

49 

48

47 

48 

47 

46 

46

48 

47 

45 

44 

40

47

December

max

40 

39 

42 

44 

46

46 

45 

45 

45 

45

44 

43 

44 

45 

45

44 

42 

41 

41 

42

44 

45 

45

37 

38 

40 

42 

42

43

min

38 

39 

39 

42 

44

45 

45 

44 

45 

44

42 

42 

43 

44 

44

42 

41 

40 

40 

41

42 

44 

44

37 

37 

38 

40 

42

42

January

max

42 

42 

40 

39 

39

39 

39 

39 

38 

38

38 

39 

39 

39 

39

39 

39 

39 

40 

40

40 

42 

42 

42 

42

42 

40 

39 

40 

41 

41

40

min

42 

40 

39 

38 

39

39 

39 

38 

38 

38

38 

38 

39 

39 

39

39 

39 

39 

39 

39

40 

40 

42 

41 

41

40 

39 

39 

39 

40 

41

39

February

max

41 

39 

39 

39 

39

40 

41 

41 

40 

39

39 

40 

42 

42 

41

39 

38 

37 

35 

36 

36 

39 

39 

39 

39

38 

37 

36

39

min

39 

39 

39 

39 

39

39 

40 

40 

39 

38

38 

39 

40 

40 

39

38 

37 

34 

33 

34

34 

36 

39 

39 

38

37 

36 

36

38

March

max

36 

38 

37 

37 

35

37 

39 

38 

39 

39

39 

39 

39 

39 

39

39 

39 

40 

40 

39 

39 

40 

40 

40 

40

41 

43 

43 

42 

41 

41

39

mln

35 

36 

36 

34 

32

33 

35 

36 

38 

38

38 

39 

38 

38 

37

36 

36 

38 

38 

36 

38 

39 

39 

39 

39

38 

40 

41 

41 

40 

40

37

April

max

41 

42 

42 

44 

45

46 

46 

46 

45 

43

42 

42 

42 

41 

41

43 

43 

43 

42 

43

43 

44 

44 

43 

42

43 

42 

45 

46 

50

43

m
ABERNATHY CREEK BASIN 

ABERNATHY CREEK NEAR LONGVIEW, WASH

LOCATION. Temperature recorder at gaging station, 1 mile upstream from mouth and 11 miles nor

DRAINAGE AREA. 20.3 square miles.

RECORDS AVAILABLE. Water temperatures: June 1950 to September 1955.

EXTREMES, 1954-55.--Water temperatures: Maximum, 63°F Sept. 4, 5; minimum, 37°F Feb. 28, Mar. 

EXTREMES, 1950-55. Water temperatures: Maximum, 68°F Aug. 19-21, 1950; minimum, 34°F Mar. 7, 

REMARKS. Records of discharge for water year October 1954 to September 1955 given in WSP 1398

Temperature (°F) of water, water year October 1954 to Se

Day

1...................

2. ..................

4. ..................

5. ..................

6...................

7...................

8. ..................

9. ..................

10. ..................

12...................

13. ..................

14...................

16...................

17...................

18...................

19. ..................

20. ..................

21...................

22...................

23...................

24...................

25...................

26...................

27...................

29. ..................

31. ..................

October

max

52 

50 

53 

51 

51

51 

52 

54 

53 

52

52 

51 

48 

51 

50

51 

52 

51 

51 

50

50 

49 

48 

45 

45

44 

43 

43 

45 

45 

45

49

min

48 

47 

50 

48 

50

50 

51 

52 

51 

52

51 

48 

46 

48 

48

49 

51 

50 

50 

49

49 

48 

45 

43 

43

41 

40 

41 

43 

43 

42

47

November

max

45 

45 

47 

47 

48

48 

48 

48 

48 

49

48 

48 

48 

48 

49

49 

48 

48 

48 

48

48 

48 

48 

47 

48

49 

48 

47 

45 

45

48

min

42 

45 

45 

45

47

47 

47 

48 

47 

48

48 

48 

48 

48 

48

48 

48 

48 

48 

48

47 

47 

47 

46 

47

48 

47 

45 

45 

43

47

December

max

43 

42 

43 

44 

45

45 

45 

45 

45 

45

44 

44 

45 

45 

45

44 

43 

43 

42 

43

44 

44 

44 

44 

41

41 

40 

41 

42 

45 

44

44

min

41 

41 

42 

43 

44

45 

45 

45 

45 

44

43 

44 

45 

45 

44

43 

43 

42 

42 

41

43 

44 

44 

41 

40

40 

41 

41 

41 

42 

43

43

January

max

44 

44 

43 

42 

42

42 

42 

42 

42 

42

41 

42 

42 

42 

42

42 

41 

42 

42 

42

42 

43 

43 

43 

43

42 

43 

43

42

min

44 

43 

42 

42 

42

42 

42 

42 

42 

41

41 

41 

42 

42 

42

41 

41 

41 

41 

41

42 

42 

43 

43 

43

42 

42 

43

42

February

max

43 

41 

41 

41 

41

42 

43 

43 

43 

42

42 

42 

43 

43 

43

42 

41 

40 

40 

40

40 

42 

40 

40 

40

40 

39 

39

41

min

41 

41 

41 

41 

41

41 

42 

43 

42 

41

41 

42 

42 

43 

42

40 

40 

38 

38 

38

38 

40 

40 

40 

40

39 

39 

37

40

March

max

38 

38 

38 

38 

38

39 

41 

40 

42 

41

40 

40 

40 

41 

41

40 

40 

41 

41 

41

41 

41 

41 

42 

42

42 

43 

43 

43 

43 

43

41

min

38 

38 

38 

38 

37

37 

38 

39 

40 

40

40 

40 

40 

40 

40

40 

40 

40 

41 

41

41 

40 

41 

41 

41

41 

42 

43 

43 

43 

43

40

April

max

43 

43 

42 

43 

44

45 

44 

44 

44 

44

43 

42 

42 

42 

42

43 

43 

43 

43 

43

43 

43 

43 

43 

43

43 

43 

42 

44 

47

43

min

43 

42 

42 

42 

42

43 

43 

44 

44 

43

42 

42 

42 

42 

42

42 

42 

42 

42 

42

42 

43 

43 

43 

42

42 

42 

42 

42 

43

42
ELOKOMIN RIVER BASIN

ELOKOMIN RIVER NEAR CATHLAMET, WASH.

LOCATION. Temperature recorder at gaging station, 125 feet upstream from railroad bridge, 2| 

4| miles upstream from mouth. 

DRAINAGE AREA.--65.8 square miles.

RECORDS AVAILABLE. Water temperatures: June 1950 to September 1955. 

EXTREMES, 1954-55. Water temperatures: Maximum, 67°F July 13; minimum, 35°F Mar. 5.

EXTREMES, 1950-55. Water temperatures: Maximum, 73°F June 29, 1951; minimum, 35°F Jan. 3, 4, 

REMARKS. Records of discharge for water year October 1954 to September 1955 given in WSP 1398

Temperature (°F) of water, water year October 1954 to Sep

Day

1....... ............

2. ..................

3...................

4. ..................

5. ..................

6. ..................

7. ..................

8. ..................

9. ..................

10. ..................

11...................

12...................

13...................

14...................

15...................

16...................

17. ..................

18...................

19...................

20. ..................

21...................

22...................

23...................

24...................

25...................

26...................

27...................

28...................

29...................

30...................

31...................

October

max

54 

52 

53 

53 

53

53 

53 

54 

53 

52

52 

51 

50 

50 

51

51 

52 

51 

50 

50 

49 

49 

47 

45 

44

44 

44 

44 

45 

45 

46

50

min

50 

49 

50 

50 

51

52 

52 

53 

52 

52

51 

50 

46 

48 

49

50 

51 

50 

50 

49 

49 

47 

45 

44 

43

43 

43 

43

44 

44 

45

48

November

max

46 

46 

47 

47 

48

48 

48 

48 

48 

49

48 

48 

48 

48 

48

48 

48 

48 

48 

48 

49 

49 

49 

48 

49

49 

49 

48 

46 

45

48

min

46 

46 

46 

47 

47

47 

48 

48 

48 

48

48 

48 

48 

48 

48

48 

48 

48 

48 

48 

48 

48 

48 

47 

48

49 

47 

46 

45 

44

47

December

max

44 

43 

43 

44 

45

45 

45 

45 

44 

44

44 

44 

44 

44 

44

44 

42 

42 

42 

43 

44 

44 

44 

44 

42

41 

41 

41 

42 

44 

44

43

min

43 

43 

43 

43

44

45 

45 

44 

44 

44

44 

44 

44 

44 

44

42 

42 

42 

41 

41 

43 

44 

44 

42 

41

41 

41 

41 

41 

42 

44

43

January

max

44 

44 

43 

43 

42

42 

42 

41 

41 

41

41 

42 

42 

42 

42

42 

42 

42 

42 

42 

42 

43 

44 

44 

44

44 

42 

42 

42 

44 

44

42

min

44 

43 

43 

42 

42

42 

41 

41 

41 

41

41 

41 

42 

42 

42

42 

42 

42 

41 

41 

42 

42 

43 

44 

44

42 

42 

41 

41 

42 

44

42

February

max

44 

43 

42 

42 

43

43 

44 

44 

43 

42

42 

42 

44 

44 

44

43 

42 

40 

38 

38 

39 

42 

42 

41 

41

40 

40 

39

42

min

43 

42 

42 

42 

42

43 

43 

43 

42 

42

42 

42 

42 

44 

43

41 

39 

38 

37 

37 

38 

39 

41 

41 

40

40 

39 

39

41

March

max

39 

39 

38 

38 

37

38 

40 

40 

40 

40

40 

40 

40 

41 

41

40 

41 

42 

42 

41 

41 

41 

41 

42 

42

43 

44 

43 

43 

42 

41

41

min

39 

38 

38 

37 

35

37 

38 

40 

40 

40

40 

40 

39 

39 

39

39 

39 

41 

40 

39 

40 

41 

41 

41 

42

41 

42 

43 

42 

41 

41

40

April

max

42 

42 

43 

44 

45

46 

46 

46 

45 

44

42 

42 

42 

41 

42

43 

43 

44 

44 

44 

44 

44 

45 

44 

44

45 

44 

45 

47 

48

44

min

42 

41 

41 

41 

40

44 

42 

44 

44 

42

40 

42 

41 

40 

41

42 

42 

41 

42 

42 

43 

44 

43 

42 

41

43 

42 

42 

45 

45

42
BIG CREEK BASIN 

BIG CREEK NEAR KNAPPA, OREG.

LOCATION. Temperature recorder at gaging station, 0.3 mile downstream from fish hatchery and 2

DRAINAGE AREA.--31.9 square miles.

RECORDS AVAILABLE. Water temperatures: August 1949 to June 1"955 (discontinued).

EXTREMES, 1949-54. Water temperatures: Maximum, 62°F Aug. 20, 21, 1951; minimum, 37°F Mar. 5-

REMARKS.--Records of discharge for water year October 1954 to September 1955 given in WSP 1398.

Temperature (°F) of water, October 1954 to June 1

Day

4. ..................

5. ..................

6. ..................

7. ..................

8. ..................

9. ..................

10. ..................

11. ..................

14...................

15...................

16...................

17...................

18...................

19...................

20. ..................

21. ..................

22. ..................

23. ..................

25...................

26...................

27...................

29. ..................

31...................

October

max

--

-

--

-

48 

48 

49 

50

--

min

--

-

47 

48 

48 

49

-

November

max

50 

51 

51 

52 

52

51 

51 

51 

51 

51

51 

51 

51 

51 

51

52 

51 

52 

51 

50

50 

51 

51 

50 

50

50 

50 

48 

47 

45

50

min

50 

50 

51 

51 

50

51 

50 

51 

51 

51

51 

51 

51 

51 

51

51 

51 

51 

50 

50

49 

50 

49 

49 

49

50 

48 

47 

45 

44

50

December

max

44 

44 

45 

46 

46

46 

45 

45 

46 

46

45 

45 

46 

47 

47

46 

44 

44 

44 

44

45 

45 

45 

45 

44

43 

43 

43 

44 

46 

46

45

min

43 

43 

43 

44 

46

45 

45 

45 

45 

44

44 

45 

45 

45 

46

44 

44 

44 

43 

44

44 

45 

45 

44 

43

42 

42 

42 

43

44 

45

44

January

max

45 

45 

44 

43 

43

43 

43 

43 

43 

43

43 

43 

43 

43 

43

43 

43 

43 

43 

44

44 

45 

45 

45 

45

45 

44 

44 

44 

45 

45

44

min

45 

44 

43 

43 

43

43 

43 

43 

43 

42

42 

43 

43 

43 

43

43 

43 

43 

43 

43

44 

44 

45 

45 

45

44 

43 

43 

43 

44 

45

43

February

max

45 

44 

44 

44 

45

46 

47 

47 

45 

44

44 

45 

46 

46 

46

45 

44 

43 

43 

43

43 

45 

45 

45 

45

44 

44 

43

45

min

44 

44 

44 

44 

44

45 

45 

45 

44 

44

44 

44 

45 

46

45

44 

43 

42 

42 

42

42 

43 

45 

45 

44

43 

43 

43

44

March

max

43 

43 

43 

43 

42

43 

44 

44 

45 

45

44 

44 

43 

44 

44

45 

45 

46 

45 

44

44 

44 

44 

44 

44

45 

46 

46 

46 

45 

45

44

min

42 

42 

43 

42 

40

41 

42 

44 

44 

44

44 

43 

43 

43 

43

43 

44 

45 

44 

43

44 

44 

44 

44 

44

43 

44 

46 

45 

44 

45

43

April

max

45 

45 

46 

46 

47

48 

48 

48 

47 

46

45 

45 

44 

44 

44

45 

45 

44 

44 

45

45 

45 

45 

45 

44

45 

44 

45 

47 

48

45

min

45 

44 

44 

44 

44

45 

46 

47 

46 

45

44 

44 

44 

43 

43

43 

43 

43 

43 

43

44 

45 

44 

43 

42

44 

43 

43 

45 

44

44
GRAYS RIVER BASIN 

WEST BRANCH GRAYS RIVER NEAR GRAYS RIVE

LOCATION. Temperature recorder at gaging station, 1 mile upstream from mouth and 3J miles 

DRAINAGE AREA. 16.3 square miles.

RECORDS AVAILABLE. Water temperatures: June 1950 to September 1955.

EXTREMES, 1954-55. Water temperatures: Maximum, 60°F Sept. 4; minimum, 39°F Mar. 5.

EXTREMES, 1950-55. Water temperatures: Maximum, 66°F Aug. 11, 1953; minimum, 36°F Feb. 20

REMARKS. Records of discharge for water year October 1954 to September 1955 given in WSP 1

Temperature (°F) of water, water year October 1954 to 

Day

1...................

2...................

4...................

5. ..................

6...................

7. ..................

8...................

9...................

10. ..................

11...................

14...................

15...................

16...................

17...................

19...................

20. ..................

21...................

22. ..................

23. ..................

24...................

25...................

26. ..................

28...................

29. ..................

30. ..................

31...................

Average .......

October

max

54 

54. 

54 

53 

53

53 

53 

53 

53 

53

53 

52 

51 

51 

51

52 

53 

53 

52 

52

52 

51 

51 

49 

48

48 

47 

47 

47 

48 

48

51

min

52 

50 

51 

52 

52

53 

53 

53 

53 

53

52 

51 

49 

49 

51

51 

52 

52 

52 

52

51 

50 

49 

48 

48

47 

46 

46 

46 

47 

47

50

November

max

48 

49 

49 

50 

50

50 

50 

50 

50 

50

50 

50 

50 

50 

50

50 

50 

50 

50 

49

49 

49 

49 

49 

49

49 

49 

48 

47 

46

49

min

48 

48 

49 

49 

50

50 

50 

50 

49 

49

49 

49 

49 

49 

49

49 

49 

50 

49 

49

49 

49 

49 

49 

49

49 

48 

47 

46 

45

49

December

max

45 

44 

44 

45 

46

46 

46 

46 

46 

46

46 

46 

46 

46 

46

45 

44 

44 

44 

45

45 

45 

45 

45 

44

42 

42 

42 

43 

45 

45

45

min

44 

44 

44 

44 

45

46 

46 

46 

46 

45

45 

45 

45 

46 

45

44 

44 

44 

44 

44

45 

45 

45 

44 

42

42 

42 

42 

42 

43 

45

44

January

max

45 

45 

44 

44 

43

43 

43 

43 

43 

43

42 

42 

42 

42 

42

42 

42 

42 

42 

42

42 

42 

42 

43 

43

43 

43 

42 

42 

43 

43

43

min

45 

44 

44 

43 

43

43 

43 

43 

43 

42

42 

41 

42 

42 

42

42 

42 

42 

42 

42

42 

42 

42 

42 

43

43 

42 

42 

42 

42 

43

42

February

max

43 

42 

42 

42 

42

42 

45 

46 

45 

44

43 

43 

45 

45 

45

44 

43 

42 

41 

41

41 

43 

43 

43 

42

42 

41 

42

43

min

42 

42 

42 

42 

42

42 

42 

44 

44 

43

43 

43 

43 

44 

44

42 

42 

40 

40 

40

40 

40 

42 

42 

42

41 

41 

41

42

March

max

42 

42 

42 

41 

40

42 

43 

42 

43 

42

42 

42 

42 

42 

43

42 

44 

44 

44 

42

42 

43 

43 

43 

43

44 

45 

45 

45 

44 

44

43

min

41 

41 

41 

40 

39

40 

41 

42 

42 

42

41 

41 

40 

41 

42

42 

41 

43 

42 

41

42 

42 

43 

43 

43

43 

44 

45 

44 

44 

44

42

Apri

max

44 

44 

45 

46 

47

48 

48 

46 

46 

46

44 

44 

44 

44 

44

44 

45 

45 

45 

45

46 

46 

45 

45 

45

45 

44 

46 

47 

49

45
YOUNGS RIVER BASIN

NORTH FORK KLASKANINE RIVER NEAR OLNEY, 

LOCATION. Temperature recorder at gaging station, half a mile downstream from Earth Falls, 

and 4 miles southeast of Olney, Clatsop County. 

DRAINAGE AREA. 14.0 square miles.

RECORDS AVAILABLE. Water temperatures: May 1950 to September 1955 (discontinued). 

EXTREMES, 1954-55.--Water temperatures: Maximum, 66°F Sept. 5; minimum, 37°F Mar. 5. 

EXTREMES, 1950-55.--Water temperatures: Maximum, 66°F Sept. 5, 1955; minimum, 34°F Nov. 28, 

REMARKS. Records of discharge for water year October 1954 to September 1955 given in WSP 13

Temperature (°F) of water, water year October 1954 to S

Day

1...................

4...................

5. ..................

6...................

7...................

8. ..................

9. ..................

10...................

11. ..................

12...................

13...................

14. ..................

15...................

16...................

17...................

18...................

19...................

20...................

21...................

22...................

23...................

24...................

25...................

26...................

27. ..................

28. ..................

29. ..................

30...................

31...................

October

max

50 

50 

52. 

52 

51

52 

53 

53 

53 

53

53 

53 

52 

52 

54

54 

55 

54 

53 

53 

52 

52 

50 

48 

47

47 

47 

47 

47 

47 

49

51

min

49 

49 

49 

49 

50

51 

52 

53 

52 

52

52 

52 

48 

50 

52

53 

53 

53 

53 

51

51 

50 

47 

45 

45

44 

46 

45 

45 

46 

47

49

November

max

49 

49 

50 

50 

52

52 

50 

50 

50 

50

50 

50 

50 

50 

50

50 

50 

50 

50 

50 

50 

50 

49 

49 

50

50 

49 

47 

45 

43

49

min

48 

49 

49 

49 

50

50 

49 

50 

48 

49

49 

49 

49 

49 

50

50 

50 

50 

50 

49 

49 

49 

48 

48 

49

49 

47 

45 

43 

42

48

December

max

43 

43 

44 

45 

46

46 

46 

46 

46 

46

44 

45 

45 

47 

47

45 

45 

45 

45 

46 

47 

47 

47 

46 

44

43 

43 

44 

45 

46 

46

45

min

42 

42 

42 

44 

45

46 

45 

45 

46 

44

44 

44 

45 

45 

45

44 

44 

45 

45 

45

46 

47 

46 

44 

42

42 

42 

42 

44 

45 

46

44

January

max

46 

46 

45 

44 

44

44 

43 

43 

43 

42

43 

44 

44 

43 

43

43 

43 

43 

43 

43 

44 

46 

46 

46 

46

45 

43 

43 

44 

46 

46

44

min

46 

45 

44 

44 

44

43 

43 

43 

42 

41

41 

43 

43 

43 

42

43 

43 

43 

42 

43

43 

44 

45 

45 

45

43 

42 

42 

42 

44 

45

43

February

max

45 

44 

44 

44 

' 44

45 

46 

46 

45 

43

44 

45 

46 

46 

46

44 

42 

41 

41 

41 

41 

44 

44 

44 

42

41 

41 

41

44

min

43 

43 

43 

44 

44

44 

45 

45 

43 

43

43 

44 

45 

45 

44

42 

41 

39 

39 

39

39 

41 

43 

42 

41

41 

40 

40

42

March

max

41 

41 

41 

40 

39

41 

43 

42 

43 

43

42 

42 

44 

45 

45

45 

44 

45 

44 

42

43 

43 

43

44 

45

45 

48 

47 

47 

45 

46

43

min

41 

40 

40 

39 

37

39 

39 

42 

42 

42

42 

41 

43 

43 

43

44 

41 

43 

41 

40 

42 

43 

43 

43 

43

43 

44 

46 

45 

44 

45

41

April

max

46 

45 

46 

47 

48

50 

50 

48 

49 

47

46 

46 

45 

46 

45

46 

46 

46 

45 

45

45 

46 

47 

45 

46

46 

45 

47 

47 

49

46

mi

4

4

4

4

4

4

4

4

4
ROGUE RIVER BASIN

ROGUE RIVER AT GRANTS PASS, OREG.

LOCATION. At bridge on U. S. Highway 99 at Grants Pass, Josephine County, and 0.6 mile downstream 

DRAINAGE AREA. 2,420 square miles, approximately.

RECORDS AVAILABLE.--Chemical analyses: January 1953 to September 1955.

Water temperatures: January 1953 to September 1955. 

EXTREMES, 1954-55.--Dissolved solids: Maximum, 95 ppm Feb. 1-10; minimum, 53 ppm May 22-31.

Hardness: Maximum, 38 ppm Dec. 11-20, Jan. 21-31, Feb. 1-10; minimum, 21 ppm June 2^-30.

Specific conductance: Maximum daily, 125 micromhos Feb. 5; minimum daily, 60.1 micromhos May 25.

Water temperatures: Maximum, 73°F Aug. 7, 8; minimum, 37°F Jan. 14, 15, 16, 18. 

EXTREMES, 1953-55.--Dissolved solids: Maximum, 136 ppm Feb. 16-22, 1954; minimum, 53 ppm May 22-31

Hardness: Maximum, 84 ppm Feb. 16-22, 1954; minimum, 21 ppm June 21-30, 1955.

Specific conductance: Maximum daily, 251 micromhos Feb. 21, 1954; minimum daily, 58.5 micromhos 

Water temperatures: Maximum, 73°F Aug. 7, 8, 1955; minimum, 37°F Jan. 14, 15, 16, 18, 1955.

REMARKS. Values reported for dissolved solids are residues on evaporation. Records of specific co

office at Portland, Oreg. Records of discharge for water year October 1954 to September 1955 gi

Chemical analyses, in parts per million, water year October 1954 to S

Date of collection

Oct. 1-10, 1954. . .

Nov. 21-30 .......

Dec. 11-20.......

Jan. 1-10, 1955...

Jan. 21-31 .......

Feb. 1-10..... ...

Mar. 21-31.......

Mean 

discharge 

(els)

1,528 

1,574 

1,588 

1,530 

1,773 

1,585

1,745 

1,737 

2,220 

2,745 

1,918 

2,401

2,846 

2,451 

2,020 

2,258 

2,317 

4.250

Silica 

(Si02)

Iron 

(Fe)

Calcium 

(Ca)

8.3 

8. 3 

8.7 

8. 3 

8.5 

8.5

9.1 

9.9 

8.9 

8.5 

9.1 

9.5

9.9 

9.1 

8.7 

9.3 

8.7 

8.5

Magnesium 

(Mg)

2.9 

2.9 

3.0 

3.0 

3.0 

2.8

2.8 

3.2 

3.0 

2.6 

3.1 

3.5

3.2 

3.1 

3.2 

3.2 

3.6 

3.2

Sodium 

(Na)

5.9 

6.0 

6.2 

6.0 

6.1 

5.9

6.0 

5.9 

5.4 

4.8 

5.9 

6.0

6.3 

6.0 

6.0 

6.4 

6.2 

5.5

Potassium 

(K)

Bicarbonate 

(HCO,)

52 

53 

54 

52 

52 

52

54 

56 

52 

40 

55 

56

55 

55 

54 

56 

55 

53

Sulfate 

(S04 )

1.5 

1.5 

1.5 

1.4 

1.6 

1.7

1.9 

2.8 

2.2 

2.6 

2.1 

2.4

2.2 

2.1 

2.0 

2.1 

2.1 

2.0

Chloride 

(Cl)

2.2 

2.5 

2.8 

2.5 

2.5 

2.8

2.8 

3.2 

2.8 

3.0 

3.0 

3.0

3.2 

3.0 

3.2 

3.8 

3.0 

2.8

Fluoride 

(F)

Nitrate 

(NO,)

0.4 

.4 

.4 

.6 

.4 

.4

.4 

.7 

.8 

2.7 

.8 

.7

1.3 

.6 

.7 

.6 

.6 

.5

Boron 

(B)

0.06 

.02

.01 

.05

.02 

.04

.06
ROGUE RIVER BASIN Continued

ROGUE RIVER AT GRANTS PASS, OREG.--Continu

Chemical analyses, in parts per million, water year October 1954 to Septem

Date of collection

Apr. 1-10, 1955... 

Apr. 11-20 .......

May 1-12 .........

May 13-21 ........

May 22-31 ........

June 21-30........

July 11-20 ........

July 21-31 ........

Aug. 21-31 .......

Sept. 1-10 ........

Sept. 11-20 .......

Sept. 21-30 .......

Weighted average.

Mean 

discharge 

(cfs)

3,561 

3,488 

4,224 

4,046 

4,052 

3,884

3,890 

3,306 

2,148 

1,687 

1,344 

1,106

1,033 

996 

891 

885 

1,121 

1,048

2,259

Silica 

(810.)

Iron 

(Fe)

Calcium 

(Ca)

8.3 

7.5 

8.7 

8.7 

6.0 

5.6

6.4 

6.2 

5.8 

6.7 

6.7 

6.7

6.7 

6.6 

6.7 

6.9 

7.3 

8.1

8.0

Magnesium 

(Mg)

3.1 

3.0 

2.9 

3.0 

1.9 

1.9

1.6 

1.5 

1.5 

2.3 

2.8 

2.4

2.5 

2.7 

2.5 

2.5 

2.5 

3.0

2.7

Sodium 

(Na)

4.9 

4.6 

5.0 

5.1 

3.6 

3.3

3.6 

4.0 

3.6 

4.4 

5.0 

5.2

5.1 

5.1 

5.0 

5.0 

5.2 

5.9

5.1

Potassium 

(K)

Bicarbonate 

(HCOS )

49 

46 

50 

50 

35 

34

37 

38 

35 

42

45 

45

44 

45 

45 

46 

48 

51

48

Sulfate 

(S04 )

1.9 

1.7 

1.9 

1.7 

1.3 

1.4

1.2 

1.5 

1.0 

1.2 

1.1 

1.2

1.2 

1.1 

1.1 

1.2 

1.5 

2.2

1.7

Chloride 

(Cl)

1.8 

1.5 

2.0 

2.0 

1.0 

1.5

1.8 

2.0 

1.2 

1.8 

2.0 

1.8

1.2 

1.5 

1.8 

1.8 

2.0 

2.3

2.3

Fluoride 

(F)

Nitrate 

(NO,)

0.5 

.8 

.7 

.7 

.7 

.6

.9 

1.6 

.8 

.6 

.5 

.7

.3 

.5 

.6 

.3 

.4 

.4

0.7

Boron 

(B)

0.05 

.02

.05 

.02

.01 

.00

--
ROGUE RIVER BASIN

ROGUE RIVER BASIN Continued

ROGUE RIVER AT GRANTS PASS, OREG. --Continued

Temperature (° F) of water, water year October 1954 to September 1955 

AOnce-daily measurement at approximately 11:45 a. m. 7

431

Day

1

2

3

4

5

6

7

8

9

10

11

12

13

14

15

16

17

18

19

20

21

22

23

24

25

26

27

28

29

30

31

Average

Oct.

55

55

54

53

53

52

51

51

51

55

51

51

51

51

51

51

51

51

51

51

51

51

50

48

46

45

43

42

42

42

42

50

Nov.

42

42

42

42

43

43

44

45

46

46

46

47

47

48

48

47

47

47

47

47

47

46

45

45

45

45

45

44

42

38

--

45

Dec.

38

39

40

41

43

44

43

41

41

41

41

40

40

41

41

41

39

39

38

39

39

40

41

41

40

40

38

38

39

41

41

40

Jan.

40

40

38

39

39

38

39

39

40

41

39

38

38

37

37

37

38

37

38

40

40

40

41

41

41

41

40

40

41

41

40

39

Feb.

41

41

41

41

42

43

43

44

43

42

41

42

42

42

42

42

41

40

40

39

39

39

38

39

40

40

41

41

_

_-

--

41

Mar.

42

43

42

42

41

41

42

44

45

45

45

45

45

44

43

42

41

41

41

42

43

43

44

44

45

46

46

47

47

47

47

44

Apr.

47

47

46

45

45

46

48

48

48

48

49

48

48

48

47

47

47

47

47

46

46

47

47

47

47

46

46

46

47

48

--

47

May

50

50

53

54

56

58

58

58

57

56

55

54

52

52

53

54

55

55

58

58

58

57

56

55

55

54

54

54

54

54

54

55

June

54

55

55

55

56

57

59

62

63

63

62

60

59

58

58

58

57

57

59

60

61

62

62

61

61

62

62

60

59

59

59

July

59

60

60

60

61

61

61

61

60

61

63

65

67

69

70

69

68

68

68

70

70

71

70

70

70

68

67

68

68

69

71

66

Aug.

72

72

71

71

71

72

73

73

72

70

69

67

67

66

65

65

64

65

66

66

67

66

66

64

63

62

62

63

62

62

63

67

Sept.

63

64

66

69

70

70

69

68

66

64

63

62

61

59

58

58

58

57

57

58

58

57

57

56

56

56

56

55

55

56

--

61
INDEX

Page

Abernethy Creek near Longview, Wash ...... 424

Abernethy Creek basin .................... 424

Agua Fria River below Lake Pleasant,

Ariz ............................. 190-191

Alameda Creek near Niles, Calif ........... 212

Alameda Creek basin ...................... 212

Aluminum ................................ 9

American River at Fair Oaks, Calif ...... 293-295

at Sacramento, Calif .................... 296

Animas River at Farmington, N. Mex .... 115-120

Antioch, Calif., San Joaquin River at ....... 261

Archuleta, N. Mex., San Juan River

near ................................ 107-111

Ariel, Wash., Lewis River at .............. 414

Arlington, Wash., Jim Creek near .......... 348

Auburn, Wash., Green River near ....... 344-346

Bakersfield, Calif., Kern River near ....... 213

BartlettDam, Ariz., Verde River below.. 187-189 

Bear Creek near Stevinson, Calif ........... 225

Bear River near Wheatland, Calif .......... 289

Bend, Calif., Sacramento River at ...... 271-272

Big Chico Creek near Chico, Calif .......... 276

Big Creek near Knappa, Oreg .............. 426

Big Creek basin .......................... 426

Big Trees, Calif., San Lorenzo River at .... 209

Biggs, Oreg., Deschutes River near ........ 395

Biola, Calif., San Joaquin River near .... 220-222

Blacks Fork near Marston, Wyo ........... 58-60

Blanco, N. Mex., San Juan River near ... 112-114 

Blue River, Oreg., Lookout Creek near .... 406

Bluff, Utah, San Juan River near ........ 125-131

Boise River at Notus, Idaho ............. 383-385

Boise River basin ...................... 383-385

Boron .................................. 13

Boulder City, Nev., Lake Mead near ..... 171-174

Breitenbush River above Canyon Creek,

near Detroit, Oreg ................... 408

Brentwood, Calif., Indian Slough near ...... 250

Bryant, Wash., Pilchuck Creek near ....... 350

Burney Creek near Burney, Calif .......... 309

Butte City, Calif., Sacramento River at .. 278-279 

Butte Creek near Chico, Calif ............. 280

Byron, Calif., Italian Slough near ......... 249

Cache Creek near Capay, Calif ............ 304

near Lower Lake, Calif ................ 302

Calaveras River at Jenny Lind, Calif ...... 242

Calcium ................................ 10

Cameo, Colo., Colorado River near ....... 32-34

Cameron, Ariz., Little Colorado River

at ................................ 148-149

Capay, Calif., Cache Creek near .......... 304

Capella, Calif., East Fork Russian River

near ................................ 313

Carbon River near Fairfax, Wash .... 353, 356,359

Carbonate and bicarbonate ................ 11

Carmel River near Carmel, Calif ......... 205

Carmel River basin ...................... 205

Cascade River at Marblemount, Wash ...... 352

Castle Rock, Wash., Cowlitz River at ..... 422

Cataldo, Idaho, Coeur d'Alene River at... 364-366 

Cathlamet, Wash., Elokomin River near.... 425

Cedar River near Landsburg, Wash ........ 347

Chambers Creek below Leach Creek near

Steilacoom, Wash .................. 353, 356

Chambers River basin .................. 353,356

Chehalis River near Grand Mound, Wash ... 332 

Chehalis River basin ..................... 332

Chemical quality ......................... 3-4

Chico, Calif., Big Chico Creek near ....... 276

Page

Chico, Calif., Butte Creek near ........... 280

Chittenden, Calif., Pajaro River at......... 207

Chloride ................................ 12

Cisco, Utah, Colorado River near ......... 45-51

Dolores River near .................... 38-44

Cispus River near Handle, Wash ........... 417

Clarkston, Wash., Snake River near..... 386-388

Cle Elum, Wash., Yakima River at ..... 370-372

Clear Lake at Lakeport, Calif ............. 301

(north end) Clear Lake Oaks, Calif ....... 300

Clear Lake Oaks, Calif., Clear Lake

(north end) .......................... 300

Clifton Court Ferry, Calif., Old River at ... 248 

Coeur d'Alene River at Cataldo, Idaho ... 364-366 

Collection and examination of samples ...... 3-6

Color ................................... 13

Colorado River, at Kite, Utah .......... 100-106

at Hot Sulpher Springs, Colo ............ 23-25

at Lees Ferry, Ariz ................. 132-137

at Yuma, Ariz ...................... 195-196

below Hoover Dam, Ariz.-Nev ......'. 175-177

below Parker Dam, Ariz. -Calif ........ 179

near Cameo, Colo ..................... 32-34

near Cisco, Utah ..................... 45-51

near Glenwood Spring, Colo ............ 29-31

near Grand Canyon, Ariz ............ 150-156

near Topock, Ariz .................... 178

Colorado River basin ................... 23-198

Columbia River at Grand Coulee Dam,

Wash ............................ 367-369

at international boundary ............. 361-363

at Maryhill Ferry near Rufus, Oreg ... 396-398 

Colusa Trough near Colusa, Calif .......... 281

Composition of surface waters ............. 8-17

Cooperation.............................. 19

Copco, Calif., Klamath River near ......... 324

Cornville, Ariz., Oak Creek near .......... 186

Corrosiveness ........................... 15

Cosumnes River near Michigan Bar, Calif .. 258 

Cottonwood Creek near Cottonwood, Calif ... 270 

Courtland, Calif., Sacramento River near... 306 

Coweman River near Kelso, Wash ......... 423

Cowlitz Creek near Kosmos, Wash ......... 418

Cowlitz River at Castle Rock, Wash ........ 422

near Mayfield, Wash .................... 420

Cowlitz River basin .................... 417-423

Coyote Creek near Madrone, Calif ......... 211

Coyote Creek basin ....................... 211

Crescent City, Calif., Smith River near .... 330

Crooked River near Culver, Oreg .......... 392

Culver, Oreg., Crooked River near ........ 392

Deschutes River near ................... 391

Dale, Oreg., Desolation Creek near ........ 390

Darrington, Wash., North Fork gullaguamish

River near ........................... 349

Dayville, Oreg., South Fork John Day

River near ...............t........... 389

Deer Creek at Vina, Calif ................. 274

Delta, Calif., Sacramento River at ..... 262-263

Delta Cross Channel near Walnut Grove,

Calif ................................ 259

Delta-Mendota Canal, at Tracy Pumping

Plant, Calif.......................... 246

neai; Mendota, Calif .................... 247

near Tracy, Calif ...................... 245

Deschutes River at Moody, near

Biggs, Oreg ......................... 395

near Culver, Oreg ...................... 391

near Madras, Oreg ..................... 394

Deschutes River basin ................. 391-395

Desolation Creek near Dale, Oreg .......... 390

Detroit, Oreg., Breitenbush River near..... 408

433
434 INDEX

Page

Detroit, Oreg., North Santiam River near.... 407 

Dexter, Oreg., Middle Fork Willamette

River near ........................... 402

Dissolved solids........................... 13

Diversions and return flows at and below

Imperial Dam....................... 197-198

Division of work........................... 20

Dolores River near Cisco, Utah........... . 38-44

Dolores River basin.... ................... 38-44

Dos Palos, Calif., San Joaquln River near... 224 

Duwamish River basin .................. . 339-346

E

Eagle River at Gypsum, Colo............... 26-28

Eagle River basin...... ................... 26-28

East Fork Lewis River near Heisson, Wash.. 415 

East Fork Russian River at Potter Valley

Powerhouse, Calif..................... 312

near Calpella, Calif ..................... 313

near Ukiah, Calif...................... 314-316

Eel River at McCann, Calif................. 321

at Scotia, Calif.......................... 323

Eel River basin ......................... 321-323

Elokomin River near Cathlamet, Wash....... 425

Elokomln River basin...................... 425

Exchequer, Calif., Merced River at......... 227

Expression of results...................... 6-8

Fair Oaks, Calif., American River at..... 293-295 

Fall Creek below Winberry Creek, near

Fall Creek, Oreg...................... 403

Farmington, N. Mex., Animas River at ... 115-120 

Feather River at Nicolaus, Calif.......... 290-292

near Oroville, Calif ..................... 286

Fluoride.................................. 12

Foster, Oreg., Middle Santiam River near... 410 

Fremont Ford Bridge, Calif., San Joaquln

River at .......... ................... 226

Friant, Calif., San Joaquin River below ..... 219

Gila River at Kelvin, Ariz................

below Gillespie Dam, Ariz .............

Gila River basin....... .................

Gillespie Dam, Ariz., Gila River below ... 

Glenwood Springs, Colo., Colorado River 

near ............. .................

Glenwood, Wash., Klickitat River near....

Grand Canyon, Ariz., Colorado River near. 

Grand Coulee Dam, Wash., Columbia

River at............................

Grandview, Oreg., Metolius River near ... 

Grants Pass, Oreg., Rogue River at ......

Grays River, Wash., West Branch Grays 

River near .........................

Grays River basin .................

Grayson, Calif., San Joaquin River near... 

Green River, Utah, San Rafael River near . 

Green River, Wyo., Green River near.....

Green River, at Green River, Utah........

near Auburn, Wash ...................

near Jensen, Utah ....................

near Ouray, Utah ... .................

near Palmer, Wash...................

Green River basin.......................

Greenwater River at Greenwater, Wash....

Guadalupe Ri ver basin...................

Guerneville, Calif., Russian River at .....

Gunnison River near Grand Junction, Colo . 

Gunnison River basin ....................

Gypsum, Colo., Eagle River at...........

H

180-182 

192-194 

180-194 

192-194

.. 29-31 

.. 399 

150-156

367-369 

.. 393 

429-431

.. 427 

.. 427 

.. 230 

.. 94-99 

.. 52-57 

.. 88-93 

344-346 

.. 73-76 

.. 80-83 

339-343 

.. 52-99 

354,357 

.. 210 

.. 320 

.. 35-37 

.. 35-37 

.. 26-28

Hamilton City, Calif., Sacramento River

near ................................. 275

Stony Creek near ....................... 277

Hardness................................. 14

Healdsburg, Calif., Russian River near ..... 319

Heisson, Wash., East Fork Lewis River

near.............. ................... 415

Page

Henrys Fork, at Llnwood, Utah............. 61-63

near Rexburg, Idaho .................... 379

Henrys Fork basin ........................ 379

Hickman, Calif., Tuolnmne River at ........ 232

Kite, Utah, Colorado River at ............. 100-106

Honey Lake basin ......................... 204

Hoopa, Calif., Trinity River near........... 328

Hoover Dam, Ariz. -Nev., Colorado River

below............. .................. 175-177

Hopland, Calif., Russian River near ........ 318

Hot Sulphur Springs, Colo., Colorado

River at.............................. 23-25

Humboldt River near Rye Patch, Nev........ 202

Hydrogen-ion concentration ................ 14

Indian Creek near Crescent Mills, Calif ..... 309

Indian Slough near Brentwood, Calif......... 250

International boundary, Columbia River at.. 361-363

1-3 

10

249

Introduction.

Iron.................. ...................

Italian Slough at mouth, near Byron, Calif ...

Jasper, Oreg., Middle Fork Willamette

River at.............................. 404

Jenny Lind, Calif., Calaveras River at...... 242

Jensen, Utah, Green River near ............ 73-76

Jim Creek near Arlington, Wash............ 348

John Day River basin... ................. 389-390

Kalama River below Italian Creek, near

Kalama, Wash ........................ 416

Kalama River basin ....................... 416

Kapowsin Creek near Kapowsin, Wash...... 353,356

Kaweah River near Three Rivers, Calif...... 215

Kelso, Wash., Coweman River near......... 423

Kelvin, Ariz., Gila River at............... 180-182

Kern River near Bakersfield, Calif.......... 213

Kern River basin.......................... 213

Keswick, Calif., Sacramento River at....... 268

King Hill, Idaho, Snake River at ...........380-382

Kings River above North Fork, Calif ........ 216

at Peoples Weir (near Kingsburg), Calif .. 218

at Piedra, Calif ........................ 217

Kingsburg, Calif., Kings River near ........ 218

Kiona, Wash., Yakima River at ........... 373-375

Klamath River, at Somesbar, Calif ......... 325

below Fall Creek, near Copco, Calif ..... 324

near Klamath, Calif .................... 329

Klamath River basin...................... 324-329

Klickitat River near Glenwood, Wash........ 399

near Pitt, Wash........................ 400

Klickitat River basin...................... 399-400

Knappa, Oreg., Big Creek near............. 426

Knights Landing, Calif., Sacramento River

at.................................. 282-284

Sacramento Slough near ................. 285

Knightsen, Calif., Rock Slough near......... 252

Kootenai River at Leonia, Idaho............. 360

near Bonners Ferry, Idaho............... 360

Kootenai River basin ...................... 360

Kosmos, Wash., Cowlitz Creek near........ 418

La Grange, Calif., Tuolumne River at....... 231

Lake Mead near Boulder City, Nev......... 171-174

Lake Pleasant Dam, Ariz., Agua Fria

River below.......................... 190-191

Lake Tahoe (north end), Tahoe Vista,

Calif................................. 203

(south end), Bijou, Calif ................. 203

(west side), Tahoe City, Calif ............ 203

Lake Washington basin..................... 347

Lakeport, Calif., Clear Lake at ............ 301

Lancha Plana, Calif., Mokelumne River at .. 254 

Landsburg, Wash., Cedar River near ....... 347

Lebam, Wash., Willapa River at............ 331

Lees Ferry, Ariz., Colorado River at...... 132-137

Paria River at ......................... 138-141
INDEX 435

Page

Lewis River at Ariel, Wash ................ 414

Lewis River basin ...................... 414-415

Lewiston, Calif., Trinity River at ....... 326-327

Lily, Colo., Little Snake River near ..... .. 70-72

Lindsay Slough near Rio Vista, Calif ........ 307

Linwood, Utah, Henrys Fork at ............ 61-63

Literature cited .......................... 21-22

Little Colorado River at Cameron, Ariz .. 148-149

at Woodruff, Ariz .................... 142-147

Little Colorado River basin .............. 142-149

Little Potato Slough near Terminus, Calif .... 260

Little Snake River near Lily, Colo ......... 70-72

Littlefield, Ariz., Virgin River at ....... 164-170

Longview, Wash., Abernethy Creek near .... 424

Lookout Creek near Blue River, Oreg ....... 406

Los Gatos Creek at Los Gatos, Calif ........ 210

Los Molinas, Calif., Mill Creek near ....... 273

Lower Lake, Calif., Cache Creek near ...... 302

North Fork Cache Creek near ............. 303

Lynndyl, Utah, Sevier River near ........ 199-201

M

Madras, Oreg., Deschutes River near ....... 394

Madrone, Calif., Coyote Creek near ........ 211

Magnesium ............................... 10

Mandeville Island, Calif., Old River

(northwest side) ....................... 253

Manganese ............................... 10

Marblemount, Wash., Cascade River at ..... 352

Skagit River near ........................ 351

Marston, Wyo., Blacks Fork near ......... 58-60

Marysville, Calif., Yuba River at .......... 288

Maybell, Colo., Yampa River near ........ 64-69

Mayfield, Wash., Cowlitz River near ........ 420

McCann, Calif., Eel River at............... 321

McCloud River above Shasta Reservoir,

Calif .............................. 266-267

Mendota, Calif., Delta-Mendota Canal

near ................................. 247

San Joaquin River near ................... 223

Merced River at Exchequer, Calif .......... 227

near Stevinson, Calif .................... 228

Metolius River near Grandview, Oreg ....... 393

Michigan Bar, Calif., Cosumnes River at ... 258 

Middle Fork Willamette River, at Jasper,

Oreg ................................. 404

below North Fork near Oakridge, Oreg .... 401

near Dexter, Oreg ....................... 402

Middle River, Calif., Old River near ........ 251

Middle Santiam River at Mouth, near

Foster, Oreg ......................... 410

Mill Creek near Los Molinos, Calif ......... 273

Mill Creek basin .......................... 273

Mineral constituents in solution ............. 9-13

Mineral, Wash., Mineral Creek near ........ 338

Miranda, Calif., South Fork Eel River near .. 322 

Modesto, Calif., San Joaquin River near ..... 234

Mokelumne River at Lancha Plana, Calif ..... 254

at Woodbridge, Calif .................. 255-257

Montgomery Creek, Calif., Pit River

near .............................. 264-265

Morgan Hill, Calif., Uvas Creek near ....... 206

Morton, Wash., West Fork Tilton River

near ................................. 419

Mossdale, Calif., San Joaquin River at ...... 240

N

Napa River near St. Helena, Calif ........... 311

Napa River basin ........................... 311

National, Wash., Nisqually River near ...... 337

Niagara, Oreg., North Santiam River at ..... 409

Nicolaus, Calif., Feather River at ....... 290-292

Niles, Calif., Alameda Creek near .......... 212

Nisqually River near McKenna, Wash . 353,356,359 

near National, Wash ..................... 337

Nisqually River basin ...... 337-338, 353,356,359

Nitrate ................................... 12

North Fork Cache Creek near Lower Lake,

Calif ................................. 303

North Fork, Calif., Kings River above ...... 216

North Fork Klaskanine River near Olney,

Oreg ................................. 428

Page

North Fork Stillaguamish River near

Darrington, Wash .................... 349

North Santiam River at Niagara, Oreg ...... 409

below Boulder Creek, near Detroit, Oreg . 407 

Notus, Idaho, Boise River at ........... 383-385

Oak Creek near Cornville, Ariz ........... 186

Oakridge, Oreg., Middle Fork Willamette

River near ........................... 401

Old River at Clifton Court Ferry, Calif ..... 248

at Orowood bridge near Middle River, Calif. 251 

at south tip of Fabian Tract, near Tracy

Calif ................................ 244

(northwest side) Mandeville Island, Calif .. 253 

Olney, Oreg., North Fork Klaskanine River

near................................. 428

Oroville, Calif., Feather River near ....... 286

Ouray, Utah, Green River near ........... 80-83

Willow Creek near ...................... 84

Oxygen consumed ........................ 13

Pacific Slope basins in California ....... 205-330

Pacific Slope basins in Oregon and

Lower Columbia River basin ....... 389-431

Pacific Slope basins in Washington and

Upper Columbia River basin ........ 331-360

Pacific Slope basins north of Columbia

River ............................ 331-359

Pajaro River at Chittended, Calif ......... 207

Pajaro River basin .................... 206-207

Palmer, Wash., Green River near ...... 339-343

Paria River at Lees Ferry, Ariz ....... 138-141

Paria River basin ..................... 138-141

Parker Dam, Ariz-Calif., Colorado

River below ........................ 179

Percent sodium ......................... 15-16

Piedra, Calif., Kings River at ........... 217

Pilchuck Creek near Bryant, Wash ........ 350

Pit River near Canby, Calif .............. 309

near Montgomery Creek, Calif ........ 264-265

Pitt, Wash., Klickitat River near ......... 400

Porterville, Calif., Tule River near ...... 214

Potlatch, Wash., Skokomish River near ... 335 

South Fork Skokomish River near ....... 333

Weaver Creek near .................... 334

Potter Valley Powerhouse, Calif., East

Fork Russian River at ............... 312

Price River at Woodstde, Utah ........... 85-87

Properties and characteristics of water .... 13-16

Publications ............................ 17-18

Purdy Creek near Union, Wash ........... 336

Putah Creek near Winters, Calif .......... 305

Puyallup River at Alderton, Wash .. 354, 357, 359 

at Puyallup, Wash .............. 35*5,358, 359

near Orting, Wash .............. 353,356, 359

Puyallup River basin ................... 353-359

Pyramid and Winnemucca Lakes basin ... 203-204

R

Rainbow, Oreg., South Fork McKenzie

River near .......................... 405

Handle, Wash., Cispus River near ........ 417

Redding, Calif., Sacramento River near ... 269 

Rexburg, Idaho, Henrys Fork near ........ 379

Rindge Tract, Calif., Stockton Ship

Channel on .......................... 243

Rio Vista, Calif., Lindsay Slough near .... 307

Sacramento River near ................. 308

Rock Slough near Knightsen, Calif ........ 252

Rogue River at Grants Pass, Oreg ..... 429-431

Rogue River basin .................... 429-431

Rufus, Oreg., Columbia River near .... 396-398

Russian River, at Guerneville,

Calif ............................... 320

near Healdsburg, Calif .................. 319

near Hopland, Calif .................... 318

near Ukiah, Calif ...................... 317

Russian River basin .................. 312-321

Rye Patch, Nev., Humboldt River near .... 202
436 INDEX

S Page

Sacramento, Calif., American River at ..... 296

Sacramento River, at Bend, Calif ........ 271-272

at Butte City, Calif ................... 278-279

at Delta, Calif ....................... 262-263

at Keswick, Calif ....................... 268

at Knights Landing, Calif ............. 282-284

at Sacramento, Calif ................. 297-299

at Snodgrass Slough, near Courtland,

Calif ................................. 306

near Hamilton City, Calif ................ 275

near Redding, Calif ..................... 269

near Rio Vista, Calif .................... 308

Sacramento River basin ................. 262-310

Sacramento Slough near Knights Landing,

Calif ................................. 285

St. George, Utah, Santa Clara River at ...... 162

Virgin River near........................ 163

St. Helena, Calif., Napa River near ......... 311

Salem, Oreg., Willamette River at ...... 411-413

Salt River at Stewart Mountain Dam,

Ariz .............................. 183-185

San Joaquin River, at Antioch, Calif ........ 261

at Fremont Ford Bridge, Calif ............ 226

at Garwood Bridge, near Stockton, Calif ... 241 

at Maze Road Bridge, near Modesto, Calif.. 234 

at Mossdale, Calif ...................... 240

below Friant, Calif ...................... 219

near Biola, Calif ..................... 220-222

near Dos Palos, Calif ................... 224

near Grayson, Calif ..................... 230

near Mendota, Calif ..................... 223

near Vernalis, Calif .................. 236-239

San Joaquin River basin ................. 219-261

San Juan River, at Ship Rock, N. Mex .... 121-124

near Archuleta, N. Mex .............. 107-111

near Blanco, N. Mex ................. 112-114

near Bluff, Utah ..................... 125-131

San Juan River basin ................... 107-131

San Lorenzo River at Big Trees, Calif ....... 209

San Lorenzo River basin ................... 209

San Rafael River near Green River, Utah . .. 94-99 

Santa Clara River above Winsor Dam, near

Santa Clara, Utah ..................... 161

at St. George, Utah ..................... 162

Scotia, Calif., Eel River at ................ 323

Sediment ................................ 16-17

Sevier River near Lynndyl, Utah ......... 199-201

Sevier Lake basin ...................... 199-201

Shasta Lake, Calif., McCloud River above 266-267 

Ship Rock, N. Mex., San Juan River at ... 121-124 

Silica .................................... 9

Silver Lake, Wash., Toutle River near ...... 421

Skagit River above Alma Creek, near

Marblemount, Wash ................... 351

Skagit River basin ..................... 351-352

Skokomish River near Potlatch, Wash ....... 335

Skokomish River basin .................. 333-336

Smartsville, Calif., Yuba River near ........ 287

Smith River near Crescent City, Calif ....... 330

Smith River basin ......................... 330

Snake River at King Hill, Idaho .......... 380-382

near Clarkston, Wash ................ 386-388

near Heise, Idaho .................... 376-378

Snake River basin ...................... 376-388

Sodium-adsorption-ratio ................... 16

Sodium and potassium ..................... 11

Somesbar, Calif., Klamath River at ........ 325

Soquel Creek at Soquel, Calif ............... 208

Soquel Creek basin ........................ 208

South Fork Eel River near Miranda, Calif ... 322 

South Fork John Day River near Dayville,

Oreg ................................. 389

South Fork McKenzie River near Rainbow,

Oreg ................................. 405

South Fork Skokomish River near Potlatch,

Wash ................................ 333

South Honcut Creek near Bangor, Calif ...... 310

South Prairie Creek at South Prairie,

Wash ............................. 354,357

Specific conductance ....................... 14

Spokane River basin .................... 364-369

Stanislaus River near mouth, near

Vernalis, Calif ........................ 235

Stevinson, Calif., Bear Creek near ......... 225

Page

Stevinson, Calif., Merced River near ...... 228

Stewart Mountain Dam, Ariz., Salt

River at .......................... 183-185

Stillaguamish River basin .............. 348-350

Stockton, Calif., San Joaquin River

near ................................ 241

Stockton Ship Channel near Rindge Pump

on Rindge Tract, Calif ................ 243

Stony Creek near Hamilton City, Calif ...... 277

Streamflow .............................. 21

Stuck River near Sumner, Wash .... 355, 358, 359

Sulfate .................................. 11

Suspended sediment ....................... 4-5

T. I. D. drainage ditch near Turlock, Calif . 229 

Temperature ............................ 6

Terminous, Calif., Little Potato Slough

near ................................ 260

The Great Basin ...................... 199-204

Three Rivers, Calif., Kaweah River near ... 215 

Topock, Ariz., Colorado River near ....... 178

Total acidity ............................. 15

Toutle River near Silver Lake, Wash ...... 421

Tracy, Calif., Delta-Mendota Canal near ... 245

Old River near ......................... 244

Tracy Pumping Plant, Calif., Delta-Mendota

Canal near ........................... 246

Trinity River at Lewiston, Calif ........ 326-327

near Hoopa, Calif ...................... 328

Truckee River at Farad, Calif ............. 204

near Truckee, Calif .................... 204

Tulare Lake basin .................... 214-218

Tule River near Porterville, Calif ......... 214

Tuolumne River at Hickman, Calif ......... 232

at La Grange, Calif ..................... 231

at Tuolumne City, Calif ................. 233

Turlock, Calif., T. I. D. drainage

ditch near ........................... 229

U

Ukiah, Calif., East Fork Russian River

near ............................. 314-316

Russian River near ..................... 317

Union, Wash., Purdy Creek near .......... 336

Upper Columbia River basin ............ 361-375

Uvas Creek near Morgan Hill, Calif ........ 206

Verde River below Bartlett Dam, Ariz ... 187-189

Vernalis, Calif., San Joaquin River near . 236-239

Stanislaus River near ................... 235

Vina, Calif., Deer Creek near ............. 274

Virgin River, at Littlefield, Ariz ....... 164-170

at Virgin, Utah ..................... 157-159

near St. George, Utah .................. 163

Virgin River basin .................... 157-170

W

Walnut Grove, Calif., Delta Cross-Channel

near ................................ 259

Washington Fields Canal near Washington,

Utah ................................ 160

Watson, Utah, White River near .......... 77-79

Weaver Creek near Potlatch, Wash ....... 334

West Branch Grays River near Grays River,

Wash .............................. 427

West Fork Tilton River near Morton, Wash. 419 

Wheatland, Calif., Bear River near ....... 289

White River, at Greenwater, Wash ...... 357, 359

near Buckley, Wash ............. 354, 357,359

near Watson, Utah .................... 77-79

Willamette River at Salem, Oreg ....... 411-413

Willamette River basin ................ 401-413

Willapa River at Lebam, Wash ........... 331

Willapa River basin ..................... 331

Willow Creek near Ouray, Utah ........... 84

Winters, Calif., Putah Creek near ........ 305

Woodbridge, Calif., Mokelumne River

at ............................... 255-257
INDEX 437

Page

Woodruff, Arlz., Little Colorado River

at ................................ 142-147

Woodside, Utah, Price River at ........... 85-87

Yakima River at Cle Elum, Wash ........ 370-372

at Kiona, Wash ...................... 373-375

Page

Yakima River basin .................. 370-375

Yampa River near Maybell, Colo ........ 64-69

Youngs River basin ...................... 428

Yuba River at Marysville, Calif ........... 288

near Smartsville, Calif ..............\ . 287

Yuma, Ariz., Colorado River at ....... 195-196

Yuma Main Canal below Colorado River

siphon, at Yuma, Ariz ............ 197-198

U.S. GOVERNMENT PRINTING OFFICE : 1959 O -528172