Cover. (Left) Early morning at Caney Creek at State Highway 105 near Cut And Shoot, Texas, December 2003.

(Right) U.S. Geological Survey staff fish shocking at Lake Creek near FM 149 at Richards, Texas, December 2003. 
Streamflow, Water-Quality, and Biological 

Data for Three Tributaries to 

Lake Houston Near Houston, 

Texas, 2002–04

By Jeffery W. East and Debra A. Sneck-Fahrer

U.S. Department of the Interior

U.S. Geological Survey

In cooperation with the Houston-Galveston Area Council and the

Texas Commission on Environmental Quality

Data Series 142
U.S. Department of the Interior

Gale A. Norton, Secretary

U.S. Geological Survey

P. Patrick Leahy, Acting Director

U.S. Geological Survey, Reston, Virginia: 2005

For sale by U.S. Geological Survey, Information Services

Box 25286, Denver Federal Center

Denver, CO 80225

For more information about the USGS and its products:

Telephone: 1-888-ASK-USGS

World Wide Web: http://www.usgs.gov/

Any use of trade, product, or firm names in this publication is for descriptive purposes only and does not imply

endorsement by the U.S. Government.

Although this report is in the public domain, permission must be secured from the individual copyright owners to

reproduce any copyrighted materials contained within this report.

Suggested citation:

East, J.W., and Sneck-Fahrer, D.A., 2005, Streamflow, water-quality, and biological data for three tributaries to Lake

Houston near Houston, Texas, 2002–04: U.S. Geological Survey Data Series 142, 82 p. 
iii

Contents

Abstract . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1

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

Purpose and Scope . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3

Description of Study Area . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3

Acknowledgments . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3

Methods of Monitoring, Sampling, and Analysis . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3

Streamflow Data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3

Water-Quality Data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4

Biological Data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5

Streamflow Data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6

Water-Quality Data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6

Continuously Monitored Data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6

Routinely Monitored Data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8

Biological Data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9

Fish Data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9

Benthic-Macroinvertebrate Data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15

Summary . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15

References . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16

Figures

1. Map showing location of study area and sampling sites for Lake, Peach, and Caney 

Creeks near Houston, Texas . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2

2. Hydrographs showing daily mean discharge for (a) Lake Creek, (b) Peach Creek, and 

(c) Caney Creek and dates of water-quality sampling, water years 2003–04 . . . . . . . . . . . . . . . . . . . . . . . . 7

3. Graph showing daily mean dissolved oxygen concentration in Lake Creek (LAKE1 [08067900]) 

and Spring Creek (08068275), October 2003–September 2004 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8

4–5. Boxplots of: 

4. (a) Ammonia plus organic nitrogen, (b) ammonia nitrogen, (c) nitrite plus nitrate 

nitrogen, (d) nitrite nitrogen, (e) phosphorus, (f) orthophosphate phosphorus, 

(g) chlorophyll-a, and (h) E. coli bacteria from selected sites in Lake Creek, Peach 

Creek, and Caney Creek, grouped by watershed, December 2002–June 2004 . . . . . . . . . . . . . . . 10

5. (a) Ammonia plus organic nitrogen, (b) ammonia nitrogen, (c) nitrite plus nitrate 

nitrogen, (d) nitrite nitrogen, (e) phosphorus, (f) orthophosphate phosphorus, 

(g) chlorophyll-a, and (h) E. coli bacteria from selected sites in Lake Creek, Peach 

Creek, and Caney Creek, grouped by season, December 2002–June 2004 . . . . . . . . . . . . . . . . . . 12

6. Graph showing number of fish species collected relative to number of individuals collected 

for selected sites in Lake Creek, Peach Creek, and Caney Creek, October 2002–October 2004 . . . . 14

Tables

1. Percentage of selected land-use categories in the Lake Creek, Peach Creek, and Caney 

Creek watersheds . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4
iv

2. Data-collection sites in Lake Creek, Peach Creek, and Caney Creek watersheds, water years 

2003–04 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5

3. Annual mean streamflow at U.S. Geological Survey streamflow-gaging stations on Lake 

Creek, Peach Creek, and Caney Creek, Texas, water years 2003–04 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6

4. Continuously monitored discharge, specific conductance, pH, water temperature, and 

dissolved oxygen for 08067900 Lake Creek near Conroe (LAKE1), water years 2003–04 . . . . . . . . . . . . 18

5. Routinely sampled water-quality data for selected sites in Lake Creek, Peach Creek, and 

Caney Creek, Texas, water years 2003–04 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 34

6. Fish taxa and individual counts of fish collected in Lake Creek, Peach Creek, and Caney 

Creek, October 2002–October 2004 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 78

7. Selected indexes that characterize fish and benthic-macroinvertebrate community 

structure in Lake Creek, Peach Creek, and Caney Creek, October 2002–October 2004 . . . . . . . . . . . . 82

8. Metrics used to compute selected index of biotic integrity scores . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 82
Streamflow, Water-Quality, and Biological 

Data for Three Tributaries to 

Lake Houston Near Houston, 

Texas, 2002–04

By Jeffery W. East and Debra A. Sneck-Fahrer

Abstract

During 2002–04 the U.S. Geological Survey, in cooperation with the Houston-Galveston Area Council and the Texas 

Commission on Environmental Quality, conducted a systematic 

monitoring study on Lake Creek, Peach Creek, and Caney 

Creek near Houston, Texas, to assess the current water-quality 

and biological conditions in the three tributaries to Lake Houston. Streamflow and water-quality data (chloride and sulfate, 

nutrients, biochemical oxygen demand, phytoplankton, indicator bacteria, pesticides, and suspended sediment) were collected 

at 11 sites, and fish and benthic-macroinvertebrate data were 

collected at eight of the 11 sites. Graphical comparisons of concentration data for eight water-quality constituents by watershed indicate relatively large differences in concentration distribution among all three watersheds for nitrite plus nitrate 

nitrogen (medians: Lake, 0.20; Peach, 0.14; and Caney, 0.32 

mg/L). Graphical comparisons of these data by season show 

consistency in distribution of constituent concentrations. The 

distributions of chlorophyll-a in summer and E. coli bacteria in 

winter each contain a few relatively large concentrations. Fiftysix species of fish from 15 major families were collected during 

the study. For all sites except one on Lake Creek, the majority 

of fish collected were sunfish; minnows dominated at the one 

Lake Creek site. Invertivores (mostly sunfish and minnows) 

made up more than 65 percent of the trophic structure, omnivores were the next largest percentage, and piscivores the smallest percentage. Ecoregion-specific index of biotic integrity 

(ECO–IBI) scores (averages of samples) for three of four 

upstream Lake Creek sites indicate intermediate aquatic life 

use, and the most downstream site, high aquatic life use. ECO–

IBI scores for the Peach Creek and Caney Creek sites indicate 

high aquatic life use. The maximum number of aquatic-insect 

taxa (51) were collected at a site on Peach Creek near Cleveland, and the minimum number of aquatic-insect taxa (17) were 

collected at site on Caney Creek near New Caney. The benthicmacroinvertebrate index of biotic integrity (B–IBI) scores 

(averages of samples) for the three upstream Lake Creek sites 

indicate intermediate aquatic life use, and the B–IBI score for 

the most downstream site indicates high aquatic life use. B–IBI 

scores for the Peach Creek sites, in downstream order, are 

exceptional and high; and scores for the Caney Creek sites, in 

downstream order, are high and intermediate.

Introduction

The Texas Commission on Environmental Quality 

(TCEQ) is responsible for assessing and maintaining the ecological health of streams throughout Texas. The various means 

to fulfill this mission include collecting environmental data. 

Water-quality data are collected through the TCEQ Clean 

Rivers Program (CRP); these data are interpreted to assess the 

quality of Texas water bodies. The TCEQ has CRP partners 

who are responsible for collecting and assessing the quality of 

water resources in their respective service areas. The HoustonGalveston Area Council (H–GAC) is the CRP partner for a 13-

county region in southeastern Texas that includes the Houston 

metropolitan area. Every 2 years (biennium), CRP partners are 

required to perform at least one systematic monitoring study, 

whereby a variety of data are collected in water bodies that are 

not monitored routinely. Data from these studies allow a general 

assessment to determine whether future monitoring or additional studies are warranted.

Lake Creek, Peach Creek, and Caney Creek are tributaries 

to Lake Houston (fig. 1), located about 40 miles north of Houston, Tex. The watersheds of these three streams are similar, 

dominated by forests and pastures. Streambeds are predominantly sand and gravel with isolated pockets of silt and clay. No 

substantial water-quality concerns have been documented for 
Figure 1. Location of study area and sampling sites for Lake, Peach, and Caney Creeks near Houston, Texas.

KAREN

Lake

WEST

RIVER

SAN JACINTO

FORK

Creek

Creek

Lake

LAKE CONROE

Caney

WEST

Creek

FORK

SAN JACINTO

RIVER

Creek

LAKE

HOUSTON

LIVIN

LAKE

Creek

Peach

Spring

Creek

Caney

FM

1696

I–45

State 19

State 30

State

State

90

105

FM 1375

State 105

US 59

I–45

US 59 FM 1960

US 190

State 150

FM

1725

Sam Houston Parkway

FM 149

FM 149

FM 149

MONTGOMERY

 COUNTY

HARRIS

COUNTY

LIBERTY

COUNTY

SAN JACINTO COUNT

GRIMES COUNTY

WALKER COUNTY

HUNTSVILLE

CONROE

SPRING

HUMBLE

NEW CANEY

SPLENDORA

CUT 'N SHOOT

DOBBIN

RICHARDS

HOUSTON

TEXAS

Study area

LOCATION MAP

EXPLANATION

LAKE5

WatershedSubwatershed boundaryBoundary of study areaStreamflow-gaging station and numberSampling site and site or reach identifier

08070500

0 5 10 15 20 MILES

Also Caney Creek,but not theCaney Creekof this study.

95o 95 15' o30'

95o45'

96o00'

30o45'

30o30'

30o15'

30o00'

Base from U.S. Geological Survey Digital data, 1:100,000Universal Transverse Mercator projectionZone 15

LAKE5

LAKE4 LAKE3

LAKE2

LAKE1

CANEY3 PEACH3

CANEY2

PEACH2

CANEY1 PEACH1

08068275

08067900 08070500

08071000
Methods of Monitoring, Sampling, and Analysis 3

the three streams (Houston-Galveston Area Council, 2001). 

However, urban development is occurring in the watersheds, 

increasing the possibility of changes in water-quality and biological conditions.

To better understand the effects of recent urban development on the watersheds, the U.S. Geological Survey (USGS), in 

cooperation with H–GAC and TCEQ, conducted a baseline 

assessment of current conditions in the three streams. Hydrologic, water-quality, and biological data were collected during 

October 2002–September 2004 (water years1 2003 and 2004) 

and in October 2004 (biological data). As part of this study, 

these data were used to define spatial and temporal variations in 

water-quality constituents and biological indicators to provide a 

more complete understanding of the relation between waterquality conditions and biological metrics and to determine the 

applicability of State water-quality criteria for the three streams.

Purpose and Scope

The purpose of this report is to present hydrologic, waterquality, and biological data collected from Lake Creek, Peach 

Creek, and Caney Creek during October 2002–September 2004. 

Streamflow data were recorded continuously at one site on each 

of the three streams. Water-quality properties were recorded 

continuously at one site on Lake Creek during October 2002–

September 2004. Water-quality samples were collected approximately bimonthly during December 2002–June 2004 at five 

Lake Creek sites, three Peach Creek sites, and three Caney 

Creek sites. Fish, benthic-macroinvertebrate, and stream-habitat data were collected at four reaches in the Lake Creek watershed, two reaches in the Peach Creek watershed, and two 

reaches in the Caney Creek watershed in October 2002; May, 

August, and December 2003; and October 2004. 

Methods of assessment used during this study are 

described, and data are presented to compare water-quality 

changes at and among sites during the 2-year study period. This 

report evaluates biological data using standard indexes to assess 

the general health of the aquatic environment. These biological 

indexes are described, and results of the analyses are presented.

Description of Study Area

The Lake Creek, Peach Creek, and Caney Creek watersheds are in southeastern Texas about 40 miles north of Houston. The drainage areas for the most downstream sampling site 

on each stream range from 155 to 291 square miles. Lake Creek 

flows into West Fork San Jacinto River about 20 miles upstream 

from Lake Houston. Peach and Caney Creeks flow into East 

Fork San Jacinto River about 2 miles upstream from Lake 

Houston. The climate of the three watersheds is similar, with 

long, hot and humid summers, mild winters, and prevailing 

southeasterly winds (Liscum and East, 2000). Average annual 

rainfall in the area for 1961–90 is about 46 inches (Alvarez, 

2004, p. 106), with rainfall distributed unevenly throughout the 

year. Primary land use in the three watersheds (table 1) is similar, with pasture/hay and forest the major land-use categories. 

The distribution of these land uses is different among the three 

watersheds—in Lake Creek, the major land-use category is pasture/hay, whereas in Caney and Peach Creeks, the major landuse category is forest.

Acknowledgments

The authors thank Todd Running, Patrick Horton, Jean 

Wright, Om Chawla, Bruce Ridpath, and Karen Brettschneider 

of H–GAC and Laurie Curra of TCEQ for providing assistance 

throughout the study. Also, the authors gratefully acknowledge 

Montgomery County and the Texas Department of Transportation for permission to install and operate equipment during the 

study.

Methods of Monitoring, Sampling, and 

Analysis 

Streamflow Data

Streamflow data were recorded continuously at one site on 

each of the three streams during October 2002–September 2004 

(fig. 1, table 2). Gage height at each site was measured using 

pressure transducers and was recorded electronically at 15-

minute intervals by a data-collection platform (DCP). Every 4 

hours, the data were transmitted by a geostationary operationalenvironmental satellite to the USGS National Water Information System database. Streamflow was computed for the Peach 

Creek and Caney Creek stations using a pre-existing rating 

curve that relates gage height to instantaneous streamflow. 

These rating curves were developed using standard USGS procedures outlined by Rantz (1982). A discontinued station on 

Lake Creek was reactivated for the study. The stage-discharge 

rating curve was developed from discharge measurements made 

during the 2-year study.

In addition to continuous hydrologic data recorded at the 

three streamflow-gaging stations, instantaneous measurements 

of streamflow were made during each site visit at the eight other 

sites (table 2) using standard USGS procedures documented by 

Rantz (1982) and Simpson (2001). Depending on site conditions, velocities were measured using a Price pygmy velocity 

meter, Price type AA velocity meter, or acoustic Doppler current profiler (ADCP). When conditions allowed, wading measurements were made and top-setting wading rods were used to 

determine the depth of flow and to suspend the velocity meter 

in the water column (Rantz, 1982). When depths of flow or 

1 Water year is the 12-month period October 1 through September 30, designated by the calendar year in which it ends. 
4 Streamflow, Water-Quality, and Biological Data for Three Tributaries to Lake Houston Near Houston, Texas, 2002–04

velocities were too great, measurements were made either by 

suspending instruments from nearby bridges or by deploying a 

tethered-boat mounted ADCP (Simpson, 2001).

Water-Quality Data

To characterize water-quality conditions in the three 

streams, selected water-quality properties were monitored continuously at one site on Lake Creek and selected water-quality 

properties and constituents were sampled routinely at all sites 

(fig. 1, table 2).

Continuous water-quality properties collected from Lake 

Creek (site LAKE1) were dissolved oxygen, pH, specific conductance, and water temperature. These data were electronically recorded at 15-minute intervals by a DCP. The multiprobe 

water-quality meter was installed near the center of flow and 

operated as documented in Wagner and others (2000).

Selected water-quality properties and constituents were 

determined discretely during site visits to each of the three 

streams. Water-quality properties measured instream were dissolved oxygen, pH, specific conductance, and water temperature. Water-quality constituents measured by laboratory analysis were 

1. Chloride and sulfate

2. Nutrients (ammonia plus organic nitrogen, ammonia 

nitrogen, nitrite plus nitrate nitrogen, nitrite nitrogen, 

orthophosphate phosphorus, phosphorus)

3. 5-day biochemical oxygen demand (BOD)

4. Phytoplankton (biomass, pheophytin, chlorophyll-a)

5. Indicator bacteria (E. coli)

6. Pesticides

7. Suspended sediment

Water-quality samples were collected at the five Lake 

Creek sites, three Peach Creek sites, and three Caney Creek 

sites approximately bimonthly during December 2002–June 

2004. Dissolved oxygen, pH, specific conductance, and water 

temperature measurements were made using a multiprobe 

water-quality instrument. Water samples were collected and 

processed as grab samples using TCEQ methods described in 

Texas Natural Resource Conservation Commission (1999b). 

Laboratory analyses for nutrients, phytoplankton, and pesticides were done at the USGS National Water Quality Laboratory in Denver, Colo. Analyses for BOD and indicator bacteria 

(E. coli) were done at the USGS Texas Water Science Center 

laboratory in Houston. Analyses for suspended-sediment concentration were done at the USGS Louisiana Water Science 

Center sediment laboratory in Baton Rouge, La. 

Table 1. Percentage of selected land-use categories in the Lake Creek, Peach Creek, and Caney Creek watersheds. 

[Determined from 1992 multi-resolution land characteristics dataset (U.S. Environmental Protection Agency, 1993). ID, identifier] 

Site ID

(fig. 1)

Land-use classification

(percent)

Open

water

Residential1

1 Includes both low- and high-intensity residential.

Commercial/

industrial/

transportation

Bare rock/

sand/clay Forest2

2 Includes deciduous, evergreen, and mixed forest.

Transitional

Quarries/

gravel

pits

Pasture/

hay

Row

crops

Urban/

recreational

grasses

Wetlands3

3 Includes woody and emergent herbaceous wetlands.

LAKE5 0.2 0.3 0.8 0.3 27.7 0 0 62.3 1.4 0 7.0

LAKE4 .4 .4 .3 .1 22.7 .7 0 67.6 1.3 .4 6.1

LAKE3 .2 .1 .7 .2 29.9 2.9 0 57.4 1.2 0 7.4

LAKE2 .4 .2 .6 .2 32.3 1.9 0 55.8 1.2 .1 7.3

LAKE1 .4 .3 .6 .2 37.2 1.6 0 50.7 1.1 .1 7.8

PEACH3 .1 0 .2 .5 83.2 5.4 .1 9.2 .5 0 .8

PEACH2 .2 .9 .6 .4 81.7 5.6 0 9.4 .5 .1 .6

PEACH1 .2 2.7 .9 .4 78.6 5.0 0 10.7 .4 .3 .8

CANEY3 .6 2.1 1.4 .2 54.7 2.0 .2 34.1 2.0 .2 2.5

CANEY2 .6 2.0 1.3 .2 56.5 1.8 .2 32.8 1.9 .2 2.5

CANEY1 .4 3.5 1.5 .2 64.1 2.7 .1 24.2 1.1 .4 1.8
Methods of Monitoring, Sampling, and Analysis 5

To ensure the quality of these data, various quality-control 

(QC) samples were collected at the same time that environmental samples were collected. Equipment blanks and field blanks 

were used to verify the adequacy of cleaning procedures and to 

identify contamination that might be introduced at the sites. 

Split samples were used to determine the analytical precision 

(reproducibility) for various constituents. Concurrent samples 

were used to provide a measure of sampling precision (reproducibility) and to indicate spatial or temporal heterogeneities in 

the system being sampled. Results of concurrent samples also 

can reflect differences in sampling, processing, and laboratory 

analysis. In the Quality Assurance Project Plan, the stated QC 

objective for sampling and analytical precision was a relative 

percent difference (RPD) of 20 percent between environmental 

and split/concurrent samples. The RPDs of all sample pairs 

were less than 20 percent. If equipment blanks or field blanks 

were greater than quality assurance limits (two times the minimum reporting level or 10 percent of the environmental value), 

a remark code of “V” (indicating contamination) precedes the 

values listed in the associated tables. 

Biological Data

Appropriate stream reaches were selected before biological sampling. Potential reaches were identified using geographic information system maps of the three watersheds. Final 

reach selection occurred after onsite reconnaissance. A primary 

selection criterion was that a reach must contain a full meander 

Table 2. Data-collection sites in Lake Creek, Peach Creek, and Caney Creek watersheds, water years 2003–04.

[ID, identifier; FM, Farm-to-Market] 

Site ID

(fig. 1)

USGS

station

number

Station name

Location Drainage

area

(square

miles)

Data-collection activity

Latitude Longitude

Lake Creek study area

LAKE5 08067660 Lake Creek at FM 149, near 

Richards, Tex.

30°32'31" 95°49'58" 40.2 Bi-monthly water-quality sampling

Biological sampling

LAKE3 08067690 Lake Creek at State Highway 

105, near Dobbin, Tex.

30°22'17" 95°46'07" 157 Bi-monthly water-quality sampling

Biological sampling

LAKE4 08067700 Caney Creek1

 at State Highway 

105, near Dobbin, Tex.

1 Caney Creek that flows from Grimes County into Lake Creek in Montgomery County. 

30°21'13" 95°48'35" 40.4 Bi-monthly water-quality sampling

Biological sampling

LAKE2 08067800 Lake Creek at FM 149 near 

Karen, Tex.

30°16'48" 95°42'18" 256 Bi-monthly water-quality sampling

LAKE1 08067900 Lake Creek at Honea-Egypt 

Road, near Conroe, Tex.

30°15'12" 95°34'43" 291 Bi-monthly water-quality sampling

Large-volume suspended-sediment sampling

Biological sampling

Continuous water-quality (properties) monitoring

Continuous discharge

Peach Creek study area

PEACH3 08070900 Peach Creek at State Highway 

105, near Cleveland, Tex.

30°19'35" 95°13'34" 70.1 Bi-monthly water-quality sampling

Biological sampling

PEACH2 08071000 Peach Creek at FM 2090, at 

Splendora, Tex.

30°13'57" 95°10'05" 117 Bi-monthly water-quality sampling

Continuous discharge

PEACH1 08071100 Peach Creek at FM 1485, near 

New Caney, Tex.

30°08'48" 95°10'16" 155 Bi-monthly water-quality sampling

Biological sampling

Caney Creek study area

CANEY3 08070495 Caney Creek at State Highway 

105, near Cut And Shoot, Tex.

30°19'59" 95°19'58" 94.9 Bi-monthly water-quality sampling

Biological sampling

CANEY2 08070500 Caney Creek at FM 2090, near 

Splendora, Tex.

30°15'34" 95°18'08" 105 Bi-monthly water-quality sampling

Continuous discharge

CANEY1 08070600 Caney Creek at FM 1485, near 

New Caney, Tex.

30°08'55" 95°11'31" 178 Bi-monthly water-quality sampling

Biological sampling
6 Streamflow, Water-Quality, and Biological Data for Three Tributaries to Lake Houston Near Houston, Texas, 2002–04

(s-shaped curve) of the channel (Meador and others, 1993). To 

identify seasonal variations, biological surveys were done in 

October 2002; May, August, and December 2003; and October 

2004. Biological sampling was done at eight reaches (table 2). 

However, because of high-flow conditions, biological data were 

not collected from any of the reaches in Peach Creek and Caney 

Creek in October 2002. Similarly, biological data were not collected from the PEACH3 reach in Peach Creek or the CANEY1 

reach in Caney Creek in December 2003.

Fish surveys were done using backpack electrofishing in 

shallow reaches and barge electrofishing in deeper reaches. 

After collection, each fish was identified, weighed to the nearest 

gram, measured to the nearest millimeter, and released. After 30 

fish of a single species were measured and weighed, any 

remaining fish of that species were counted and weighed as a 

group. Unidentified fish were fixed in 10-percent formalin solution and later transferred to 70-percent buffered ethanol solution for preservation. Dr. Dean Hendrickson, ichthyologist at 

the University of Texas Memorial Museum in Austin, identified 

unknown fish species.

Benthic-macroinvertebrate surveys were done using a 

qualitative multi-habitat (QMH) method described by Texas 

Natural Resource Conservation Commission (1999b). A QMH 

sample was collected by making an equal number of sweeps 

with a rectangular-framed net under aquatic invertebrate habitat, which included overhanging branches, woody debris, bank 

margins, and emerging macrophytes. Subsamples were composited with samples from the same reach and passed through a 

210-micrometer sieve. Benthic macroinvertebrates were preserved in 70-percent buffered ethanol and shipped to a contract 

laboratory to be identified and enumerated (Cuffney and others, 

1993). 

Streamflow Data

The USGS operates two streamflow-gaging stations 

with long-term records in the study area—08071000 Peach 

Creek near Splendora and 08070500 Caney Creek near Splendora. Annual mean streamflow (table 3) at the Peach Creek station during water years 2003–04 (154 cubic feet per second 

[ft3

/s]) was about twice the long-term annual mean, and that at 

the Caney Creek station (142 ft3/s), about 1.7 times the longterm annual mean. Streamflow data also were collected at reactivated station 08067900 Lake Creek near Conroe during the 2-

year study. Annual mean streamflow at that station during water 

years 2003–04 was 298 ft3

/s. 

Daily mean streamflow at each of the three stations during 

the study period (fig. 2) fluctuated over a wide range, from 3.0 

to 15,700 ft3/s. Daily mean streamflow at the Lake Creek station (LAKE1) on the nine dates of water sampling ranged from 

3.6 to 957 ft3/s; daily mean streamflow for the nine sampling 

dates at the Peach Creek station (PEACH2) ranged from 19 to 

203 ft3/s; and at the Caney Creek station (CANEY2), the range 

of the nine sampling dates was 17 to 254 ft3

/s. 

Water-Quality Data

Water-quality data were analyzed to make comparisons 

between the streams. For these analyses, data were grouped 

by (1) continuous water-quality monitoring data—properties 

measured with a multiprobe instrument continuously deployed 

in Lake Creek (table 4, at end of report); and (2) routine waterquality sampling data—properties and constituents determined 

during bimonthly visits at each of the 11 sampling sites (table 5, 

at end of report).

Continuously Monitored Data

The continuous monitoring site on Lake Creek (LAKE1 

[08067900]; fig. 1, table 1) was located in a stream reach with 

base-flow water depths of about 3 feet and constantly flowing 

water. The multiprobe water-quality meter was deployed at a 

depth of about 2 feet, although the exact depth of the meter 

Table 3. Annual mean streamflow at U.S. Geological Survey streamflow-gaging stations on Lake Creek, Peach Creek, and Caney Creek, 

Texas, water years 2003–04.

[ft3/s, cubic feet per second; --, not applicable] 

Station name Station

number

Annual mean streamflow

(ft3

/s)

Annual mean streamflow

(period of record)

2003 2004 Period of

record

Annual mean

discharge

(ft3

/s)

Lake Creek near Conroe 08067900 348 247 2003–04 298

Peach Creek at Splendora 08071000 114 193 1944–77,

1999–2004

77.5

Caney Creek near Splendora 08070500 130 154 1944–2004 83.9
Figure 2. Hydrographs showing daily mean discharge for (a) Lake Creek, (b) Peach Creek, and (c) Caney Creek and dates of water-quality sampling, 

2003 2004

OCT NOV DEC JAN FEB MAR APR MAY JUN JUL AUG SEP OCT NOV DEC JAN FEB MAR APR MAY JUN JUL AU

2002

WATER YEAR 2003 WATER YEAR 2004

20,000

10,000

1,000

100

10

1

DISCHARGE, IN CUBIC FEET PER SECOND 20,000 10,000 1,000 100101

20,000

10,000

1,000

100

10

1

(a) LAKE1 (08067900)

(b) PEACH2 (08071000) 

(c) CANEY2 (08070500) 

Water-quality sampling

EXPLANATION
8 Streamflow, Water-Quality, and Biological Data for Three Tributaries to Lake Houston Near Houston, Texas, 2002–04

was dependent on stream stage at any given time. The meter 

was installed in September 2002 and operated October 2002–

September 2004. 

Of the properties continuously monitored, dissolved 

oxygen is of particular interest because oxygen depletion can 

harm fish. Figure 3 shows dissolved oxygen concentrations in 

Lake Creek (LAKE1 [08067900)] and in Spring Creek (USGS 

station 08068275) about 12 miles southwest of site LAKE1 

(fig. 1). The watersheds for these two streams are similar in 

size and land use; however, more domestic (59) and industrial 

(2) wastewater outfalls discharge to Spring Creek than to Lake 

Creek (22 domestic, no industrial).

A quantitative method of comparing time-series datasets 

was used to compare dissolved oxygen data collected from 

Lake Creek and Spring Creek. The reliability index (RI) (Leggtt 

and Williams, 1981) is a measure of the comparability between 

two sets of time-series data. The RI was developed to assess the 

match between observed and simulated model results and is 

explained in detail in a report documenting the application of a 

reservoir water-quality model to Lake Houston (Liscum and 

East, 2000). An RI of 1.0 indicates perfect agreement between 

the paired data. As the data diverge, the RI increases. If all comparisons are, on average, one-half order of magnitude apart, the 

RI would be 5.0 (Environmental Laboratory, 1986). An RI of 

1.24 was computed for the 2-year study period, which indicates 

a close correlation between dissolved oxygen concentrations at 

the two sites. Dissolved oxygen concentrations are similar even 

though more than twice as many wastewater outfalls are in 

Spring Creek than in Lake Creek. 

Routinely Monitored Data

Graphical comparisons were made to indicate differences 

in concentrations of selected water-quality constituents among 

the three streams. For these comparisons, data were grouped by 

watershed and by season. Water-quality constituents selected 

for these comparisons are ammonia plus organic nitrogen, 

Figure 3. Daily mean dissolved oxygen concentration in Lake Creek (LAKE1 [08067900]) and Spring Creek (08068275), October 2003–

September 2004.

2003 2004

OCT NOV DEC JAN FEB MAR APR MAY JUNE JULY AUG SEPT

7 14 2128 7 14 2128 7 14 2128 7 14 2128 7 14 2128 7 14 2128 7 14 2128 7 14 2128 7 14 2128 7 14 2128 7 14 2128 7 14 2128

13

12

11

10

9

8

7

6

5

4

3

DISSOLVED OXYGEN CONCENTRATION, IN MILLIGRAMS PER LITER

Lake Creek (08067900)

Spring Creek (08068275)
Biological Data 9

ammonia nitrogen, nitrite plus nitrate nitrogen, nitrite nitrogen, 

orthophosphate phosphorus, chlorophyll-a, and E. coli bacteria. 

TCEQ uses secondary screening levels of some of these constituents when assessing water-quality data to identify water bodies of concern. Secondary screening levels for the three streams 

sampled during this study are 0.17 milligram per liter (mg/L) 

ammonia nitrogen, 2.76 mg/L nitrite plus nitrate nitrogen, 0.80 

mg/L orthophosphate phosphorus, and 11.6 micrograms per 

liter chlorophyll-a (Texas Natural Resource Conservation 

Commission, 1999a).

Concentration data for the eight constituents for all 11 

sampling sites were compiled and grouped by watershed. Boxplots of these data (fig. 4) graphically summarize their distributions by watershed. The boxplots of the eight constituents show 

relatively large differences in concentration distribution among 

all three watersheds for nitrite plus nitrate nitrogen (medians: 

Lake, 0.20; Peach, 0.14; and Caney, 0.32 mg/L) and for one 

watershed relative to the others for ammonia plus organic nitrogen, phosphorus, and orthophosphate phosphorus; for those 

constituents, Lake concentrations were consistently higher than 

concentrations of Peach and Caney.

Concentration data for the eight constituents also were 

grouped on the basis of season of the year collected. The four 

seasons are defined as winter (December, January, and February), spring (March, April, and May), summer (June, July, and 

August), and fall (September, October, and November). The 

seasonal distributions of these data are shown by boxplots in 

figure 5. Most of the seasonal boxplots show consistency in distribution of concentrations among the seasons; nitrate nitrogen 

shows the most variability, with relatively high concentrations 

in summer and relatively low concentrations in fall. The distributions of chlorophyll-a in summer and E. coli bacteria in winter each contain a few relatively large values (outliers) compared with the ranges of values in distributions for the other 

three seasons.

Biological Data

To assess the status of instream biological resources, 

selected data were collected from each of the three streams. 

Data to define fish and benthic-macroinvertebrate community 

structure were compiled, as well as data to define stream-habitat 

conditions. Metrics that describe these data were computed and 

summarized. In addition, graphical comparisons of these data 

were made to identify differences on the basis of possible causative factors.

Fish Data

During 2002–04, 56 species of fish were collected at four 

sites (reaches) in the Lake Creek watershed, two sites in the 

Peach Creek watershed, and two sites in the Caney Creek watershed (table 2). Fish taxa and individual counts are listed in 

table 6 (at end of report). Because of high-flow conditions, data 

for selected sites in Peach Creek and Caney Creek are not available for October 2002 and December 2003. 

The maximum number of fish collected during sampling at 

one site was 578 at LAKE3, and the minimum number of fish 

collected during sampling at one site was 39 at PEACH3. The 

large number of fish collected at LAKE3 occurred during a 

sampling period when the stream was not flowing and fish were 

trapped in several isolated pools. As such, fish were not able to 

escape the electro-field and all fish in the pools were collected. 

For the entire study, the most species (37) were collected at 

PEACH1, and the least species (24) were collected at PEACH3. 

Seining was done to supplement electrofishing catches. However, water depths (greater than 2.5 feet) and channel obstructions hindered the ability to seine the entire channel, thus limiting the areas that could be sampled.

Fish from 15 major families were collected during the 

study (table 6). For all sites except LAKE1, the majority of 

fish collected during the study (47 to 67 percent) were sunfish. 

Among the sunfish, the most commonly collected species 

were longear sunfish (Lepomis megalotis), bluegill (Lepomis 

macrochirus), and warmouth (Lepomis gulosus). At LAKE1, 

the majority of fish collected (53 percent) were minnows. 

Among the minnows, the most commonly collected species at 

most sites were blacktail shiners (Cyprinella venusta) and bullhead minnows (Pimephales vigilax).

Several species that have been identified as being intolerant to pollution (Texas Natural Resource Conservation Commission, 1999a), thus indicators of minimally affected waters 

were collected at each site during the study. These species are 

identified as intolerant in table 6 and include tadpole madtoms 

(Noturus gyrinus), freckled madtoms (Noturus nocturnus), and 

dusky darters (Peocilia sciera). In all three streams, invertivores (mostly sunfish and minnows) made up more than 65 percent of the trophic structure. Omnivores accounted for the nextlargest percentage and piscivores the smallest percentage.

The number of fish species collected can be influenced by 

the number of individuals collected, and the number of individuals can introduce bias into any interpretation of biological 

diversity indexes or other metrics (Moring, 2002). The relation 

between species and abundance (a way to characterize fish 

community structure) (fig. 6) showed a high linear correlation 

(Pearson’s r = .59, p = .002). To minimize possible bias to fish 

species caused by differences in abundance, various indexes are 

used that standardize the number of species by relating it to the 

number of individuals. One such index is Menhinick’s species 

richness (R) (Menhinick, 1964).

Menhinick’s R is computed as the number of species collected divided by the square root of the total number of individuals collected; thus a larger value indicates a higher species 

diversity. In table 7 (at end of report), the average Menhinick’s 

R is listed for each of the eight sampled sites. These data show 

that species diversity is greater for Peach Creek than for the two 

other streams. In particular, even though fewer individuals and 

species were collected at PEACH3, the largest average species 

richness was obtained for that site. For each stream, average 

species richness decreased in a downstream direction.
10 Streamflow, Water-Quality, and Biological Data for Three Tributaries to Lake Houston Near Houston, Texas, 2002–04

Figure 4. Boxplots of (a) ammonia plus organic nitrogen, (b) ammonia nitrogen, (c) nitrite plus nitrate nitrogen, (d) nitrite nitrogen from 

selected sites in Lake Creek, Peach Creek, and Caney Creek, grouped by watershed, December 2002–June 2004.

EXPLANATION

Interquartile range (IQR){

Number of samples

Data value greater than 3.0 times the

IQR outside the box

Data value 1.5 to 3.0 times the IQR

outside the box

Largest data value within 1.5 times the

IQR above the box

75th percentile

Median (50th percentile)

25th percentile

Smallest data value within 1.5 times the

IQR below the box

Mean

(45)

LAKE PEACH CANEY

LAKE PEACH CANEY

LAKE PEACH CANEY

LAKE PEACH CANEY

CONCENTRATION,

IN MILLIGRAMS PER LITER

CONCENTRATION,

IN MILLIGRAMS PER LITER

CONCENTRATION,

IN MILLIGRAMS PER LITER

CONCENTRATION,

IN MILLIGRAMS PER LITER

2.75

2.25

2.50

2.00

1.75

1.50

1.25

1.00

0.75

0.50

0.25

0

0.6

0.5

0.1

0

0.5

0.1

0

0.001

0

0.2

0.3

0.4

0.002

0.003

0.004

0.005

0.006

0.007

0.008

0.009

0.011

0.010

0.6

0.4

0.3

0.2

(27)

(27)

(45)

(27)

(27)

(45)

(27)

(27)

(45)

(27)

(27)

(45)

(a) AMMONIA PLUS

 ORGANIC NITROGEN 

(b) AMMONIA NITROGEN 

(c) NITRITE PLUS NITRATE NITROGEN

(d) NITRITE NITROGEN
Biological Data 11

Figure 4—Continued. Boxplots of (e) phosphorus, (f) orthophosphate phosphorus, (g) chlorophyll-a, and (h) E. coli bacteria from selected sites in Lake Creek, Peach Creek, and Caney Creek, grouped by watershed, December 2002–June 2004.

EXPLANATION

Number of samples

Data value greater than 3.0 times the

IQR outside the box

Data value 1.5 to 3.0 times the IQR

outside the box

Largest data value within 1.5 times the

IQR above the box

75th percentile

Median (50th percentile)

25th percentile

Smallest data value within 1.5 times the IQR below the box

Interquartile range (IQR){

(45)

Mean

CONCENTRATION,

IN MICROGRAMS PER LITER COLONIES PER 100 MILLILITERS

50

10

0

250

0

500

750

1,000

1,250

1,500

1,750

2,000

2,250

2,750

2,500

60

40

30

20

80

90

70

3,000

(25)

(25)

(42)

(27) (27)

(45)

(27)

(27)

(45)

(27) (27)

(45) (e) PHOSPHORUS

(f) ORTHOPHOSPHATE 

 PHOSPHORUS

(g) CHLOROPHYLL-a

(h) E. COLI

 BACTERIA

LAKE PEACH CANEY

LAKE PEACH CANEY

LAKE PEACH CANEY

LAKE PEACH CANEY

CONCENTRATION,

IN MILLIGRAMS PER LITER

0.5

0.1

0

0.6

0.4

0.3

0.2

0.7

0.8

CONCENTRATION,

IN MILLIGRAMS PER LITER

0.225

0.250

0.200

0.175

0.150

0.125

0.100

0.075

0.050

0.025

0

-0.025
12 Streamflow, Water-Quality, and Biological Data for Three Tributaries to Lake Houston Near Houston, Texas, 2002–04

Figure 5. Boxplots of (a) ammonia plus organic nitrogen, (b) ammonia nitrogen, (c) nitrite plus nitrate nitrogen, (d) nitrite nitrogen from 

selected sites in Lake Creek, Peach Creek, and Caney Creek, grouped by season, December 2002–June 2004.

EXPLANATION

Number of samples

Data value greater than 3.0 times the

IQR outside the box

Data value 1.5 to 3.0 times the IQR

outside the box

Largest data value within 1.5 times the

IQR above the box

75th percentile

Median (50th percentile)

25th percentile

Smallest data value within 1.5 times the

IQR below the box

Interquartile range (IQR){

(22)

Mean

FALL

FALL

FALL

FALL

SPRING

SPRING

SPRING

SPRING

SUMMER

SUMMER

SUMMER

SUMMER

WINTER

WINTER

WINTER

WINTER

CONCENTRATION,

IN MILLIGRAMS PER LITER

CONCENTRATION,

IN MILLIGRAMS PER LITER

CONCENTRATION,

IN MILLIGRAMS PER LITER

CONCENTRATION,

IN MILLIGRAMS PER LITER

2.75

2.25

2.50

2.00

1.75

1.50

1.25

1.00

0.75

0.50

0.25

0

0.6

0.5

0.1

0

0.5

0.1

0

0.001

0

0.2

0.3

0.4

0.002

0.003

0.004

0.005

0.006

0.007

0.008

0.009

0.011

0.010

0.6

0.4

0.3

0.2

(11) (33)

(33)

(22)

(33)

(33)

(11)

(33)

(33)

(22) (33)

(33)

(11)

(11)

(22)

(22)

(a) AMMONIA PLUS

 ORGANIC NITROGEN 

(b) AMMONIA NITROGEN 

(c) NITRITE PLUS NITRATE

 NITROGEN

(d) NITRITE

 NITROGEN
Biological Data 13

Figure 5—Continued. Boxplots of (e) phosphorus, (f) orthophosphate phosphorus, (g) chlorophyll-a, and (h) E. coli bacteria from 

selected sites in Lake Creek, Peach Creek, and Caney Creek, grouped by season, December 2002–June 2004.

EXPLANATION

Number of samples

Data value greater than 3.0 times the

IQR outside the box

Data value 1.5 to 3.0 times the IQR 

outside the box

Largest data value within 1.5 times the

IQR above the box

75th percentile

Median (50th percentile)

25th percentile

Smallest data value within 1.5 times the

IQR below the box

Interquartile range (IQR){

(22)

Mean

FALL

FALL

FALL

FALL

SPRING

SPRING

SPRING

SPRING

SUMMER

SUMMER

SUMMER

SUMMER

WINTER

WINTER

WINTER

WINTER

CONCENTRATION,

IN MICROGRAMS PER LITER COLONIES PER 100 MILLILITERS

50

10

0

250

0

500

750

1,000

1,250

1,500

1,750

2,000

2,250

2,750

2,500

60

40

30

20

80

90

70

3,000

(32)

(33)

(11)

(33) (33)

(11)

(33)

(22)

(11)

(33)

(33)

(22)

(22)

(16) (16)

(33)

(e) PHOSPHORUS

(f) ORTHOPHOSPHATE

 PHOSPHORUS 

(g) CHLOROPHYLL-a

(h) E. COLI

 BACTERIA

CONCENTRATION,

IN MILLIGRAMS PER LITER

0.5

0.1

0

0.6

0.4

0.3

0.2

0.7

0.8

CONCENTRATION,

IN MILLIGRAMS PER LITER

0.225

0.250

0.200

0.175

0.150

0.125

0.100

0.075

0.050

0.025

0
14 Streamflow, Water-Quality, and Biological Data for Three Tributaries to Lake Houston Near Houston, Texas, 2002–04

Fish community structure from streams in different locations can vary because of “climatic and zoogeographic factors” 

(Linam and others, 2002). To compare fish community structure at various locations, a variety of numerical criteria are 

available. The index of biotic integrity (IBI) for Texas was 

developed on the basis of data collected from streams in the 

midwestern United States. Linam and others (2002) modified 

the IBI to develop criteria that are specific to defined regions in 

Texas, as opposed to statewide criteria that do not represent all 

geographic regions well. As part of their study, Linam and others (2002) collected fish community data in 14 streams to represent the “south-central and southern humid, mixed land-use 

Figure 6. Number of fish species collected relative to number of individuals collected for selected sites in Lake Creek, Peach Creek, and

Caney Creek, October 2002–October 2004.

0 100 200 300 400 500 600 700

NUMBER OF FISH COLLECTED FROM INDICATED STREAM

NUMBER OF SPECIES

5

10

15

20

25

30

Pearson's r = .590, p = .002

LAKE CREEK

PEACH CREEK

CANEY CREEK

EXPLANATION
Summary 15

region.” Data collected from LAKE1 in 1988 were used to 

develop the ecoregion-specific index of biotic integrity (ECO–

IBI), which was chosen to provide a frame of reference for the 

fish community structures of the three streams.

Twelve individual metrics (table 8, at end of report) are 

used to compute the ECO–IBI. A score is assigned for each of 

these metrics, and the sum of the 12 scores is the ECO–IBI. As 

part of their study, Linam and others (2002) also provide 

aquatic life-use criteria to provide narrative ratings for a given 

ECO–IBI score. Scores between 36 and 41 indicate intermediate aquatic life use, scores between 42 and 51 indicate high 

aquatic life use, and scores 52 and greater indicate exceptional 

aquatic life use. For general comparison between sites, averages 

of the ECO–IBIs were computed for each site by summing 

ECO–IBIs for each sampling period and dividing by the number 

of sampling periods. In general, the average ECO–IBI score 

tends to increase in downstream direction (table 7), which also 

corresponds to increases in flow. The score for the most downstream Lake Creek site indicates high aquatic life use, and 

scores for the Peach Creek and Caney Creek sites indicate high 

aquatic life use. The ECO–IBI scores for the three remaining 

sites on Lake Creek indicate intermediate aquatic life use. The 

three upstream sites on Lake Creek with intermediate scores 

correspond to sites that had low or no flow during each sampling period.

Benthic-Macroinvertebrate Data

Benthic-macroinvertebrate data provide better sitespecific information about a site than fish community data 

(Cuffney and others, 1993). Moring (2001) states that fish 

mobility tends to make determinations of species composition 

and relative abundance more difficult. However, variability in 

benthic-macroinvertebrate communities can be influenced by 

differences in “chemical water quality, available habitat, and 

flow variability. Variations in sample-collection method or 

analysis precision also can cause variations in the data” (Lenz 

and Rheaume, 1995, p. 10).

The maximum number of aquatic-insect taxa (51) were 

collected at PEACH3, and the minimum number of aquaticinsect taxa (17) were collected at CANEY1. PEACH3 had 

the most instream cover and woody debris of all sites sampled. 

Once again, to minimize the possible bias caused by different 

sample sizes, Menhinick’s R was computed for benthicmacroinvertebrate community data. Averages for each sample 

site are listed in table 7. Comparison of these data with Menhinick’s R for fish (table 7) shows a similar relation among stream 

indexes for macroinvertebrates: Peach Creek diversity > Caney 

Creek diversity > Lake Creek diversity. 

The Ephemeroptera Plecoptera Trichoptera (EPT) index 

is used as an indicator of the ecological health of a stream 

(Moring, 2002). The EPT index is the sum of the number of taxa 

within the insect orders of mayflies (Ephemeroptera), stoneflies 

(Plecoptera), and caddisflies (Trichoptera) expressed as a percentage of all identifiable taxa. The index is sensitive to changes 

in water quality and often is less variable seasonally and perennially than other metrics (Moring, 2002). Larger EPT scores 

indicate healthier streams.

The three upstream sites in the Lake Creek watershed 

(LAKE3, LAKE4, and LAKE5) have the lowest EPT scores 

(table 7). Habitat at these three sites is similar to that at the most 

downstream site (LAKE1). However, the three upstream sites 

typically had low or no flow, which resulted in decreased dissolved oxygen concentrations. Caddisflies are filter feeders and 

require moderate stream velocity to survive. This explains why 

fewer Trichoptera were found at the upstream sites, resulting in 

lower EPT scores. The downstream sites of Lake Creek, Peach 

Creek, and Caney Creek each had the largest EPT score for their 

respective watershed (table 7).

As with fish communities, computation of an IBI using 

benthic-macroinvertebrate community data allows community 

structure at different sites to be compared. A benthic-macroinvertebrate index of biotic integrity (B–IBI) that uses 12 metrics 

(Texas Natural Resource Conservation Commission, 1999a) is 

listed in table 8. As noted for the ECO–IBI, a score is assigned 

for each of these metrics, and the sum of the 12 scores is the B–

IBI. Scores between 22 and 28 indicate intermediate aquatic life 

use, scores between 29 and 35 indicate high aquatic life use, and 

scores 36 and greater indicate exceptional aquatic life use. 

Average B–IBI scores computed for each site during the study 

(table 7) can be compared to the ECO–IBI scores for the respective sites. The average B–IBI scores for the Lake Creek sites 

tend to increase in the downstream direction. Like the Lake 

Creek ECO–IBI scores, the B–IBI scores for the three upstream 

Lake Creek sites indicate intermediate aquatic life use, and the 

score for the most downstream site indicates high aquatic life 

use. B–IBI scores for the Peach Creek sites, in downstream 

order, are exceptional and high (compared with ECO–IBI 

scores high and high); and scores for the Caney Creek sites, in 

downstream order, are high and intermediate (compared with 

ECO–IBI scores high and high).

Summary

The Texas Commission on Environmental Quality 

(TCEQ) is responsible for assessing and maintaining the ecological health of streams throughout Texas. TCEQ Clean Rivers 

Program (CRP) partners are responsible for collecting and 

assessing the quality of water resources in their respective service areas. Each biennium, CRP partners are required to perform at least one systematic monitoring study, whereby a variety of data are collected in water bodies that are not routinely 

monitored. Data from these studies allow a general assessment 

to determine whether future monitoring or additional studies are 

warranted.

During 2002–04, the USGS conducted a systematic monitoring study on Lake Creek, Peach Creek, and Caney Creek near 

Houston in cooperation with the Houston-Galveston Area 

Council (CRP partner) and the TCEQ. Data were collected and 
16 Streamflow, Water-Quality, and Biological Data for Three Tributaries to Lake Houston Near Houston, Texas, 2002–04

used to assess water-quality and biological conditions in the 

three tributaries to Lake Houston. Streamflow data were collected continuously at one site in each of the three stream watersheds. Continuous water-quality properties were recorded at 

one site on Lake Creek. Discrete water samples were collected 

bimonthly during December 2002–June 2004 at five Lake 

Creek sites, three Peach Creek sites, and three Caney Creek 

sites. Water samples were analyzed for chloride and sulfate, 

nutrients, BOD, phytoplankton, indicator bacteria, pesticides, 

and suspended sediment. Fish, benthic-macroinvertebrate, and 

stream-habitat data were collected at four sites (reaches) in the 

Lake Creek watershed, two sites in Peach Creek, and two sites 

in Caney Creek a maximum of five times during the study.

The continuous monitoring site at Lake Creek (LAKE1, 

near Conroe) was in a reach with base-flow water depths of 

about 3 feet and constantly flowing water. An index that is a 

measure of the comparability between two sets of time-series 

data indicates that dissolved oxygen concentrations at site 

LAKE1 are closely correlated with those at a site on a nearby 

stream of similar size and watershed land use that has more than 

twice as many upstream wastewater outfalls as LAKE1. 

Concentration data for eight constituents for all 11 sampling sites were compiled and grouped by watershed and by season. Graphical comparisons of these data by watershed indicate 

relatively large differences in concentration distribution among 

all three watersheds for nitrite plus nitrate nitrogen (medians: 

Lake, 0.20; Peach, 0.14; and Caney, 0.32 mg/L). The seasonal 

distributions of these data show consistency among the four 

seasons. The distributions of chlorophyll-a in summer and E. 

coli bacteria in winter each contain a few relatively large concentrations.

During 2002–04, 56 species of fish were collected at four 

sites in the Lake Creek watershed, two sites in the Peach Creek 

watershed, and two sites in the Caney Creek watershed. The 

maximum number of fish collected during sampling at one site 

was 578 at site LAKE3 near Dobbin, and the minimum number 

of fish collected during sampling at one site was 39 at site 

PEACH3 near Cleveland. For the entire study, the most species 

(37) were collected at site PEACH1 near New Caney, and the 

least species (24) were collected at site PEACH3. Fish from 15 

major families were collected during the study. For all sites 

except LAKE1, the majority of fish collected during the study 

(47 to 67 percent) were sunfish. At LAKE1, the majority of fish 

collected (53 percent) were minnows. Invertivores (mostly sunfish and minnows) made up more than 65 percent of the trophic 

structure, omnivores the next-largest percentage, and piscivores 

the smallest percentage. Ecoregion-specific index of biotic 

integrity (ECO–IBI) scores (average of samples) were determined using fish community data collected during the study. 

Higher ECO–IBI scores equate to higher aquatic life use. Scores 

for the three upstream Lake Creek sites indicate intermediate 

aquatic life use, and for the most downstream site, high aquatic 

life use. Scores for Peach Creek and Caney Creek sites indicate 

high aquatic life use. 

The maximum number of aquatic-insect taxa (51) were 

collected at site PEACH3, and the minimum number of aquaticinsect taxa (17) were collected at site CANEY1 near New 

Caney. EPT index, an indicator of the ecological health of a 

stream, is largest for the most downstream sampling site in each 

of the three streams. The benthic-macroinvertebrate index of 

biotic integrity (B–IBI) scores (averages of samples) for the 

three upstream Lake Creek sites indicate intermediate aquatic 

life use, and the score for most downstream site indicates high 

aquatic life use. B–IBI scores for the Peach Creek sites, in 

downstream order, are exceptional and high; and scores for 

the Caney Creek sites, in downstream order, are high and 

intermediate.

References

Alvarez, E.C., ed., 2004, Texas almanac, 2004–2005: The 

Dallas Morning News, 672 p.

Cuffney, T.F., Gurtz, M.E., and Meador, M.R., 1993, Methods 

for collecting benthic invertebrate samples as part of the 

National Water-Quality Assessment Program: U.S. Geological Survey Open-File Report 93–406, 66 p.

Environmental Laboratory, 1986, CE–QUAL–R1—A numerical one-dimensional model of reservoir water quality, user’s 

manual (revised ed.): Vicksburg, Miss., U.S. Army Corps of 

Engineers Waterways Experiment Station, Instruction 

Report E–82–1, 400 p., 6 app.

Helsel, D.R., and Hirsch, R.M., 1992, Studies in environmental 

science 49—Statistical methods in water resources: New 

York, Elsevier, 521 p.

Houston-Galveston Area Council, 2001, 2001 basin summary 

report—Trinity-San Jacinto coastal basin, San Jacinto River 

Basin, San Jacinto-Brazos coastal basin, Brazos-Colorado 

coastal basin: accessed May 31, 2005, at URL 

http://www.h-gac.com/NR/exeres/1B6826E2-A012-

4D68-93C8-AE77BA506DD9.htm?NRMODE=

Unpublished&wbc_purpose=Basic

Lenz, B.N., and Rheaume, S.J., 1995, Benthic invertebrates of 

fixed sites in the western Lake Michigan drainages, Wisconsin and Michigan, 1993–95: U.S. Geological Survey WaterResources Investigations Report 95–4211–D, 35 p.

Liscum, Fred, and East, J.W., 2000, Estimated effects on water 

quality of Lake Houston from interbasin transfer of water 

from the Trinity River, Texas: U.S. Geological Survey 

Water-Resources Investigations Report 00–4082, 50 p.

Linam, G.W., Kleinsasser, L.J., and Mayes, K.B., 2002, 

Regionalization of the index of biotic integrity for Texas 

streams: Austin, Texas Parks and Wildlife, River Studies 

Report No. 17, 26 p., 11 app.

Meador, M.R., Hupp, C.R., Cuffney, T.F., and Gurtz, M.E., 

1993, Methods for characterizing stream habitat as part of the 

National Water-quality Assessment Program: U.S. Geological Survey Open FIle Report 93–408, 48 p.

Menhinick, E.F., 1964, A comparison of some speciesindividuals diversity indices applied to samples of field 

insects: Ecology, v. 45, p. 859–861.
References 17

Moring, J.B., 2001, Influence of stream habitat and land use on 

benthic macroinvertebrate indicators of stream quality of 

selected above-tidal streams in the Houston-Galveston Area 

Council service area, Texas, 1997–98: U.S. Geological 

Survey Water-Resources Investigations Report 01–4010, 

22 p.

Moring, J.B., 2002, Baseline assessment of instream and riparian-zone biological resources on the Rio Grande in and near 

Big Bend National Park, Texas: U.S. Geological Survey 

Water-Resources Investigations Report 02–4106, 33 p

Rantz, S.E., 1982, Measurement and computation of streamflow—Volume 2. Computation of discharge: U.S. Geological Survey Water-Supply Paper 2175, p. 285–631.

Simpson, M.R., 2001, Discharge measurements using a broadband acoustic Doppler current profiler: U.S. Geological 

Survey Open-File Report 01–01, 123 p.

Texas Natural Resource Conservation Commission, 1999a, 

Receiving water assessment procedures manual: Texas 

Natural Resource Conservation Commission, Water Quality 

Division, GI–253 [variously paged].

Texas Natural Resource Conservation Commission, 1999b, 

Surface water quality monitoring procedures manual: Texas 

Natural Resource Conservation Commission, Water Quality 

Division, GI–252 [variously paged].

U.S. Environmental Protection Agency, 1993, Multi-resolution 

land characteristics consortium: accessed January 18, 2005, 

at URL http://www.epa.gov/mrlc/. 

Wagner, R.J., Mattraw, H.C., Ritz, G.F., and Smith, B.A., 2000, 

Guidelines and standard procedures for continuous waterquality monitors—Site selection, field operation, calibration, 

record computation, and reporting: U.S. Geological Survey 

Water-Resources Investigations Report 00–4252, 53 p.
18 Streamflow, Water-Quality, and Biological Data for Three Tributaries to Lake Houston Near Houston, Texas, 2002–04

Streamflow, Water-Quality, and Biological Data 

for Three Tributaries to Lake Houston Near 

Houston, Texas, 2002–04

Table 4

Table 4. Continuously monitored discharge, specific conductance, pH, water temperature, and dissolved oxygen for 08067900 Lake 

Creek near Conroe (LAKE1), water years 2003–04. 

 WATER YEAR OCTOBER 2002 TO SEPTEMBER 2003

 Discharge, cubic feet per second

 DAILY MEAN VALUES

 DAY OCT NOV DEC JAN FEB MAR APR MAY JUN JUL AUG SEP

 1 e10 895 99 1430 82 195 48 16 4.8 5.7 4.3 23

 2 11 584 80 1690 77 177 43 16 5.2 4.9 4.2 119

 3 13 778 71 1420 75 211 40 16 21 6.8 4.0 112

 4 11 e3570 93 532 72 823 38 15 22 29 3.9 450

 5 9.3 e7950 390 225 68 827 36 14 14 79 3.7 568

 6 9.0 e15700 919 154 76 831 36 13 11 38 3.7 497

 7 8.0 e10600 1260 128 288 589 36 12 9.4 25 3.6 547

 8 8.6 e6250 906 110 224 393 36 12 7.9 17 3.5 175

 9 18 e2260 334 103 143 363 33 12 6.8 15 3.5 53

 10 35 e756 599 98 126 182 29 11 6.4 19 3.4 35

 11 22 e342 957 90 111 121 27 10 5.9 18 4.6 42

 12 12 e224 1230 100 98 104 26 11 8.4 12 5.4 331

 13 7.8 e133 1620 329 91 145 24 10 7.1 9.9 5.9 1010

 14 6.9 e88 1830 709 86 292 24 9.8 8.6 8.5 5.4 1360

 15 6.6 84 1860 815 86 150 23 9.5 8.4 15 4.5 e1400

 16 5.9 79 1390 484 85 102 23 8.8 17 18 3.9 586

 17 5.2 73 488 220 78 84 23 8.9 26 14 3.9 112

 18 5.3 67 251 141 70 81 21 9.1 25 11 5.7 54

 19 7.9 61 186 114 68 96 20 8.5 14 9.1 3.7 36

 20 23 58 153 100 73 82 21 8.1 10 8.8 3.3 27

 21 34 55 158 95 1050 69 24 7.8 7.9 6.5 3.5 30

 22 711 54 131 93 1860 70 23 7.4 6.6 5.7 5.7 34

 23 1500 51 116 88 e1960 64 22 6.9 5.8 6.1 4.3 31

 24 1820 49 215 81 1950 57 22 6.7 5.6 7.3 3.6 25

 25 e2050 48 855 76 1490 52 22 6.4 5.3 7.7 3.3 21

 26 e2100 48 1390 77 565 57 20 6.2 5.4 6.5 3.4 18

 27 e2020 52 1350 92 300 97 19 6.0 11 5.9 3.3 15

 28 1910 135 505 88 227 103 18 5.5 9.5 5.2 3.3 13

 29 1790 173 212 87 --- 89 17 5.2 7.6 5.1 3.1 12

 30 1700 138 158 87 --- 76 16 5.0 6.8 4.8 3.0 11

 31 1450 --- 787 86 --- 62 --- 4.9 --- 4.5 6.2 ---

 TOTAL 17320.5 51355 20593 9942 11479 6644 810 298.7 310.4 429.0 126.8 7747

 MEAN 559 1712 664 321 410 214 27.0 9.64 10.3 13.8 4.09 258

 MAX 2100 15700 1860 1690 1960 831 48 16 26 79 6.2 1400

 MIN 5.2 48 71 76 68 52 16 4.9 4.8 4.5 3.0 11

 AC-FT 34360 101900 40850 19720 22770 13180 1610 592 616 851 252 15370

 e Estimated
Table 4 19

Table 4. Continuously monitored discharge, specific conductance, pH, water temperature, and dissolved oxygen for 08067900 Lake 

Creek near Conroe (LAKE1), water years 2003–04—Continued. 

 WATER YEAR OCTOBER 2002 TO SEPTEMBER 2003—Continued

 Specific conductance, water, unfiltered, microsiemens per centimeter at 25 degrees Celsius

 DAY MAX MIN MEAN MAX MIN MEAN MAX MIN MEAN MAX MIN MEAN

 OCTOBER NOVEMBER DECEMBER JANUARY

 1 244 239 242 204 186 198 374 334 356 182 165 168

 2 239 234 236 216 204 210 334 300 317 167 148 158

 3 234 228 231 219 143 191 300 280 290 150 143 145

 4 228 222 225 145 126 137 280 219 254 183 150 166

 5 222 203 218 --- --- --- 290 169 217 214 183 199

 6 214 207 210 --- --- --- 298 225 243 248 214 231

 7 210 202 206 --- --- --- 226 156 186 273 248 261

 8 206 189 200 --- --- --- 160 151 154 297 273 284

 9 189 132 168 --- --- --- 181 160 172 309 297 303

 10 159 126 134 --- --- --- 234 180 199 326 303 315

 11 202 136 164 --- --- --- 228 200 205 341 326 336

 12 219 202 214 --- --- --- 205 129 178 340 301 330

 13 210 194 200 --- --- --- 129 104 114 346 284 302

 14 194 190 192 --- --- --- 125 120 123 375 291 320

 15 190 186 187 235 228 232 122 108 114 294 236 265

 16 189 185 186 239 229 236 136 107 117 236 226 229

 17 199 189 194 237 228 231 172 136 155 247 231 239

 18 204 199 202 246 237 241 206 172 190 269 247 258

 19 204 145 189 256 246 252 240 206 224 285 269 278

 20 167 133 152 260 255 257 273 240 256 300 285 292

 21 191 130 157 261 257 260 315 273 295 317 299 307

 22 191 62 114 263 256 260 336 315 328 333 315 325

 23 119 76 109 271 262 267 336 321 333 350 333 341

 24 120 110 116 275 271 273 332 296 308 368 348 359

 25 111 101 105 277 272 274 411 232 299 375 367 371

 26 110 105 107 280 276 277 232 157 185 377 361 373

 27 107 106 106 281 276 279 157 151 153 362 326 345

 28 118 106 112 429 273 309 190 157 172 338 324 330

 29 129 106 113 568 429 511 220 190 206 353 322 334

 30 156 129 146 526 373 411 244 220 232 382 353 367

 31 186 156 168 --- --- --- 223 162 191 403 377 389

 MONTH 244 62 171 --- --- --- 411 104 218 403 143 288
20 Streamflow, Water-Quality, and Biological Data for Three Tributaries to Lake Houston Near Houston, Texas, 2002–04

Table 4. Continuously monitored discharge, specific conductance, pH, water temperature, and dissolved oxygen for 08067900 Lake 

Creek near Conroe (LAKE1), water years 2003–04—Continued. 

 WATER YEAR OCTOBER 2002 TO SEPTEMBER 2003—Continued

 Specific conductance, water, unfiltered, microsiemens per centimeter at 25 degrees Celsius—Continued

 DAY MAX MIN MEAN MAX MIN MEAN MAX MIN MEAN MAX MIN MEAN

 FEBRUARY MARCH APRIL MAY

 1 422 403 414 289 252 272 433 420 424 358 354 355

 2 426 422 424 301 289 296 436 419 429 356 353 354

 3 426 422 423 302 226 280 419 408 411 354 351 353

 4 431 423 426 254 176 219 412 396 404 352 347 349

 5 434 429 431 285 224 248 397 384 391 351 345 347

 6 433 394 416 289 234 267 384 375 381 346 342 344

 7 415 266 346 234 219 223 375 368 372 351 335 338

 8 369 324 347 250 225 241 369 363 367 353 332 334

 9 399 338 374 244 203 214 370 360 364 333 329 331

 10 408 399 404 238 209 225 375 370 372 331 328 329

 11 420 408 416 268 238 254 389 375 383 334 329 331

 12 433 414 425 291 268 281 399 389 394 334 329 331

 13 449 414 434 297 180 271 400 394 398 332 323 326

 14 454 440 451 219 192 203 401 386 393 325 323 324

 15 440 424 430 251 218 234 386 374 378 325 323 323

 16 424 420 422 298 251 273 374 364 367 326 322 323

 17 436 421 429 328 298 315 364 357 359 325 320 323

 18 456 436 445 339 315 331 360 356 358 324 319 321

 19 458 445 456 322 311 315 360 357 358 319 315 317

 20 451 331 432 344 322 333 358 345 354 316 307 312

 21 331 108 177 363 318 342 345 330 335 316 308 313

 22 181 112 134 409 363 387 347 336 342 321 316 317

 23 187 143 170 441 409 430 348 340 345 320 307 311

 24 143 135 136 440 428 434 340 324 329 309 300 304

 25 153 135 141 428 404 417 337 327 332 302 293 298

 26 180 153 167 404 374 382 336 330 333 293 284 288

 27 208 180 193 403 325 380 355 336 345 284 279 281

 28 252 208 230 424 287 349 359 351 353 280 274 277

 29 --- --- --- 444 424 436 363 357 359 277 270 273

 30 --- --- --- 461 442 448 361 354 357 273 268 270

 31 --- --- --- 462 428 449 --- --- --- 270 265 267

 MONTH 458 108 346 462 176 314 436 324 370 358 265 318

 

 DAY MAX MIN MEAN MAX MIN MEAN MAX MIN MEAN MAX MIN MEAN

 JUNE JULY AUGUST SEPTEMBER

 1 267 263 264 180 172 176 217 211 214 240 121 216

 2 266 240 260 183 176 179 220 215 219 241 139 207

 3 240 103 181 190 179 184 225 219 222 230 197 213

 4 213 144 184 185 125 168 226 223 225 372 230 254

 5 294 170 242 142 127 137 229 226 227 245 239 242

 6 298 265 284 166 135 150 233 227 228 246 216 240

 7 265 225 245 170 146 164 233 228 229 216 202 206

 8 225 209 215 172 154 167 233 229 230 239 210 225

 9 214 204 209 178 168 173 232 229 230 258 239 249

 10 226 210 218 184 178 181 232 229 230 271 239 259

 11 241 226 234 204 184 196 232 221 227 264 239 256

 12 243 205 224 215 203 210 221 213 217 264 204 230

 13 221 213 218 214 194 206 215 211 213 285 233 250

 14 215 206 210 194 178 184 214 212 213 --- --- ---

 15 210 201 204 181 165 174 216 213 214 --- --- ---

 16 202 103 181 169 160 162 218 216 217 --- --- ---

 17 190 122 164 167 160 162 225 216 220 --- --- ---

 18 195 154 175 170 164 166 229 219 225 --- --- ---

 19 216 195 208 175 169 172 237 225 231 --- --- ---

 20 198 178 183 175 162 168 242 234 239 354 339 347

 21 187 179 182 175 169 171 245 240 242 357 331 348

 22 199 186 194 179 175 177 246 235 239 354 341 348

 23 211 199 205 181 177 179 241 233 237 363 342 354

 24 219 209 214 184 175 179 249 241 245 388 359 370

 25 225 219 222 181 176 179 249 245 247 413 388 403

 26 226 217 224 186 181 183 251 247 249 420 392 404

 27 217 172 191 190 184 186 252 249 251 440 420 432

 28 179 166 173 190 184 186 254 249 252 447 440 444

 29 186 179 182 194 189 192 252 249 250 453 445 449

 30 191 180 186 206 194 199 254 250 252 460 452 456

 31 --- --- --- 211 204 208 254 239 249 --- --- ---

 MONTH 298 103 209 215 125 178 254 211 232 --- --- ---
Table 4 21

Table 4. Continuously monitored discharge, specific conductance, pH, water temperature, and dissolved oxygen for 08067900 Lake 

Creek near Conroe (LAKE1), water years 2003–04—Continued. 

 WATER YEAR OCTOBER 2002 TO SEPTEMBER 2003—Continued

 pH, water, unfiltered, field, standard units

 DAY MAX MIN MAX MIN MAX MIN MAX MIN MAX MIN MAX MIN

 OCTOBER NOVEMBER DECEMBER JANUARY FEBRUARY MARCH

 1 7.57 7.29 6.85 6.74 7.39 7.28 7.30 7.18 7.71 7.63 7.37 7.31

 2 7.57 7.23 6.86 6.85 7.29 7.19 7.25 7.18 7.70 7.64 7.39 7.36

 3 7.48 7.21 6.86 6.53 7.19 7.15 7.22 7.16 7.67 7.63 7.41 7.27

 4 7.45 7.10 6.61 6.52 7.17 7.02 7.21 7.15 7.70 7.64 7.56 7.26

 5 7.46 7.15 --- --- 7.33 6.93 7.15 7.10 7.69 7.65 7.58 7.53

 6 7.34 7.07 --- --- 7.35 7.14 7.17 7.12 7.67 7.60 7.57 7.49

 7 7.25 6.98 --- --- 7.14 7.03 7.26 7.13 7.74 7.53 7.49 7.39

 8 7.26 6.98 --- --- 7.06 6.98 7.31 7.25 7.81 7.74 7.48 7.38

 9 7.10 6.80 --- --- 7.09 7.05 7.35 7.31 7.76 7.73 7.48 7.30

 10 6.97 6.79 --- --- 7.37 7.05 7.40 7.33 7.73 7.69 7.31 7.25

 11 7.08 6.88 --- --- 7.37 7.22 7.46 7.39 7.69 7.64 7.28 7.25

 12 7.25 7.08 --- --- 7.23 6.93 7.45 7.38 7.67 7.61 7.29 7.26

 13 7.16 7.04 --- --- 6.97 6.82 7.63 7.38 7.65 7.61 7.29 7.08

 14 7.15 7.01 --- --- 7.01 6.96 7.73 7.58 7.68 7.63 7.12 7.05

 15 7.18 7.00 7.13 7.09 6.96 6.90 7.58 7.47 7.67 7.63 7.12 7.09

 16 7.20 6.98 7.15 7.11 6.94 6.86 7.47 7.40 7.73 7.66 7.21 7.12

 17 7.24 6.97 7.13 7.10 7.00 6.92 7.40 7.34 7.75 7.70 7.29 7.21

 18 7.30 7.00 7.14 7.11 6.96 6.91 7.34 7.32 7.76 7.69 7.32 7.28

 19 7.14 6.87 7.16 7.13 7.03 6.95 7.34 7.33 7.77 7.69 7.35 7.28

 20 6.96 6.84 7.18 7.15 7.09 7.02 7.35 7.32 7.69 7.44 7.40 7.34

 21 7.03 6.80 7.20 7.15 7.28 7.09 7.37 7.35 7.44 6.93 7.48 7.36

 22 7.04 6.38 7.20 7.15 7.29 7.27 7.46 7.37 7.25 7.00 7.59 7.47

 23 6.72 6.47 7.21 7.17 7.28 7.19 7.51 7.46 7.25 7.17 7.66 7.59

 24 6.68 6.60 7.23 7.19 7.35 7.14 7.53 7.50 7.21 7.15 7.61 7.55

 25 6.61 6.53 7.24 7.20 7.49 7.23 7.53 7.51 7.21 7.16 7.56 7.50

 26 6.60 6.56 7.25 7.22 7.23 7.08 7.52 7.51 7.25 7.18 7.51 7.45

 27 6.60 6.57 7.27 7.21 7.11 7.05 7.53 7.50 7.23 7.20 7.63 7.51

 28 6.62 6.57 7.57 7.25 7.18 7.11 7.50 7.46 7.31 7.23 7.69 7.46

 29 6.63 6.45 7.66 7.57 7.16 7.13 7.52 7.45 --- --- 7.75 7.69

 30 6.76 6.63 7.59 7.39 7.19 7.14 7.61 7.52 --- --- 7.76 7.71

 31 6.75 6.70 --- --- 7.31 7.09 7.65 7.59 --- --- 7.71 7.59

 MONTH 7.57 6.38 --- --- 7.49 6.82 7.73 7.10 7.81 6.93 7.76 7.05

 

 DAY MAX MIN MAX MIN MAX MIN MAX MIN MAX MIN MAX MIN

 APRIL MAY JUNE JULY AUGUST SEPTEMBER

 1 7.59 7.56 7.72 7.54 7.46 7.20 7.32 7.05 7.21 6.87 6.87 6.49

 2 7.65 7.56 7.75 7.53 7.46 7.19 7.38 7.03 7.23 6.90 6.91 6.49

 3 7.64 7.59 7.70 7.52 7.31 6.89 7.24 7.04 7.22 6.90 6.85 6.68

 4 7.63 7.58 7.61 7.51 7.18 6.91 7.10 6.78 7.17 6.89 6.99 6.72

 5 7.64 7.57 7.72 7.48 7.33 6.94 6.89 6.77 7.16 6.89 6.95 6.90

 6 7.57 7.53 7.66 7.46 7.43 7.30 6.99 6.83 7.19 6.88 6.97 6.88

 7 7.61 7.52 7.69 7.43 7.44 7.23 7.01 6.90 7.16 6.89 6.89 6.82

 8 7.67 7.56 7.71 7.41 7.44 7.14 6.96 6.90 7.15 6.86 6.93 6.88

 9 7.70 7.60 7.72 7.40 7.49 7.13 7.00 6.93 7.05 6.87 6.97 6.91

 10 7.69 7.61 7.66 7.40 7.44 7.11 7.10 6.98 7.07 6.85 7.14 6.90

 11 7.71 7.58 7.49 7.37 7.50 7.15 7.15 7.02 7.00 6.86 6.97 6.90

 12 7.74 7.60 7.50 7.38 7.35 7.11 7.27 7.02 7.05 6.85 7.05 6.78

 13 7.77 7.61 7.60 7.40 7.35 7.07 7.25 7.04 7.16 6.89 7.04 6.84

 14 7.79 7.62 7.62 7.39 7.39 7.13 7.21 6.98 7.11 6.88 --- ---

 15 7.74 7.60 7.62 7.38 7.23 7.09 7.08 6.94 7.10 6.83 --- ---

 16 7.64 7.57 7.65 7.37 7.26 6.76 6.96 6.89 7.01 6.82 --- ---

 17 7.69 7.54 7.60 7.32 7.07 6.77 7.08 6.90 7.07 6.79 --- ---

 18 7.68 7.53 7.66 7.36 7.14 7.00 7.17 6.94 7.12 6.80 --- ---

 19 7.62 7.54 7.66 7.36 7.31 7.11 7.18 6.93 7.09 6.79 --- ---

 20 7.56 7.52 7.57 7.33 7.19 7.00 7.10 6.88 7.01 6.84 --- ---

 21 7.60 7.48 7.63 7.33 7.24 7.00 7.08 6.86 7.11 6.84 6.99 6.93

 22 7.62 7.55 7.64 7.35 7.32 7.02 7.16 6.84 7.11 6.85 7.00 6.95

 23 7.65 7.57 7.62 7.34 7.38 7.06 7.03 6.84 7.07 6.83 7.00 6.95

 24 7.64 7.54 7.59 7.31 7.41 7.15 6.98 6.83 7.12 6.86 7.01 6.96

 25 7.68 7.52 7.54 7.29 7.50 7.19 7.18 6.89 7.10 6.84 7.06 6.98

 26 7.73 7.54 7.55 7.27 7.47 7.21 7.20 6.89 7.10 6.83 7.02 6.98

 27 7.78 7.55 7.53 7.25 7.35 7.18 7.25 6.89 7.08 6.83 7.08 7.00

 28 7.78 7.56 7.57 7.28 7.38 7.10 7.22 6.85 7.00 6.79 7.14 7.05

 29 7.79 7.56 7.55 7.29 7.49 7.15 7.17 6.86 7.01 6.75 7.19 7.10

 30 7.77 7.56 7.53 7.26 7.34 7.14 7.18 6.84 7.00 6.80 7.23 7.17

 31 --- --- 7.51 7.23 --- --- 7.21 6.85 6.96 6.84 --- ---

 MONTH 7.79 7.48 7.75 7.23 7.50 6.76 7.38 6.77 7.23 6.75 --- ---
22 Streamflow, Water-Quality, and Biological Data for Three Tributaries to Lake Houston Near Houston, Texas, 2002–04

Table 4. Continuously monitored discharge, specific conductance, pH, water temperature, and dissolved oxygen for 08067900 Lake 

Creek near Conroe (LAKE1), water years 2003–04—Continued. 

 WATER YEAR OCTOBER 2002 TO SEPTEMBER 2003—Continued

 Temperature, water, degrees Celsius—Continued

 DAY MAX MIN MEAN MAX MIN MEAN MAX MIN MEAN MAX MIN MEAN

 OCTOBER NOVEMBER DECEMBER JANUARY

 1 26.10 23.50 24.75 19.80 18.50 19.15 11.70 10.90 11.33 14.00 12.90 13.30

 2 27.00 24.50 25.61 18.50 17.50 17.97 12.40 10.50 11.39 12.90 11.20 11.70

 3 27.50 24.60 26.07 17.50 16.50 17.00 13.90 12.40 13.06 11.20 9.80 10.35

 4 28.00 25.20 26.58 16.50 15.00 15.63 14.30 12.30 13.48 10.40 9.60 10.03

 5 28.20 25.90 26.96 --- --- --- 12.30 10.70 11.40 11.20 10.10 10.65

 6 27.60 25.10 26.35 --- --- --- 10.70 8.30 9.25 12.20 11.00 11.52

 7 27.20 25.00 26.07 --- --- --- 9.10 7.80 8.44 12.20 11.10 11.57

 8 26.10 24.80 25.29 --- --- --- 9.90 8.70 9.16 12.00 10.40 11.23

 9 24.90 23.70 24.09 --- --- --- 10.20 9.90 10.13 13.30 11.30 12.30

 10 23.70 22.20 22.87 --- --- --- 10.40 10.00 10.13 13.20 12.00 12.56

 11 23.00 21.70 22.18 --- --- --- 10.20 9.50 9.91 12.30 11.10 11.59

 12 22.50 20.40 21.49 --- --- --- 10.90 9.70 10.22 11.10 9.10 10.11

 13 21.60 20.50 21.11 --- --- --- 11.30 10.70 10.96 9.20 8.50 8.86

 14 20.50 18.60 19.56 --- --- --- 11.00 10.00 10.59 8.50 7.80 8.14

 15 19.60 16.90 18.21 16.10 15.50 15.86 11.60 10.10 10.80 8.60 7.90 8.23

 16 18.80 15.60 17.17 15.50 14.30 14.96 13.10 11.30 11.98 9.10 8.50 8.77

 17 19.10 15.40 17.22 14.30 13.10 13.79 14.90 13.10 14.03 8.90 8.20 8.55

 18 19.40 16.70 18.08 14.60 13.00 13.89 16.80 14.90 15.97 8.50 7.30 7.93

 19 19.50 19.10 19.26 15.20 14.30 14.67 17.00 16.10 16.68 8.80 7.00 7.97

 20 20.40 19.20 19.67 14.90 13.80 14.36 16.10 14.30 15.13 11.70 8.80 10.07

 21 19.70 19.20 19.36 14.80 13.60 14.15 14.30 13.30 13.75 14.20 11.70 13.06

 22 19.30 18.10 18.70 14.60 13.40 13.90 14.10 13.20 13.70 14.10 13.00 13.60

 23 19.30 18.70 19.01 13.70 12.20 13.02 15.40 14.10 14.69 13.00 10.70 11.77

 24 19.40 19.20 19.34 14.30 12.60 13.48 15.00 12.70 13.86 10.70 9.10 9.84

 25 19.70 19.40 19.56 15.20 13.80 14.35 12.70 9.30 11.52 9.60 9.00 9.39

 26 19.70 19.40 19.56 14.30 12.80 13.58 9.30 8.80 9.02 9.50 9.00 9.18

 27 19.50 19.40 19.46 12.80 12.10 12.38 9.50 8.50 9.01 9.90 9.00 9.45

 28 20.20 19.50 19.66 12.20 11.10 11.75 9.70 9.00 9.37 11.80 9.90 10.82

 29 20.60 20.10 20.33 11.10 10.30 10.77 11.70 9.70 10.56 13.50 11.80 12.71

 30 20.80 19.80 20.34 11.90 11.00 11.41 13.80 11.70 12.66 13.20 12.70 12.89

 31 20.60 19.80 20.02 --- --- --- 14.40 13.70 14.08 13.70 12.50 12.99

 MONTH 28.20 15.40 21.42 --- --- --- 17.00 7.80 11.81 14.20 7.00 10.68

 

 DAY MAX MIN MEAN MAX MIN MEAN MAX MIN MEAN MAX MIN MEAN

 FEBRUARY MARCH APRIL MAY

 1 13.50 11.70 12.71 11.20 10.30 10.70 17.90 15.30 16.64 25.00 23.20 23.98

 2 14.70 12.70 13.57 12.30 11.20 11.70 18.60 16.80 17.68 25.60 23.10 24.25

 3 16.00 14.70 15.19 12.30 11.90 12.18 19.30 17.70 18.49 25.40 24.00 24.66

 4 15.00 13.50 14.22 12.00 11.60 11.78 20.50 18.90 19.69 25.20 24.30 24.66

 5 13.80 12.60 13.09 12.40 12.00 12.21 22.20 20.00 21.00 27.00 24.50 25.49

 6 12.60 11.30 11.97 12.40 11.80 12.17 22.00 21.50 21.72 27.50 25.40 26.32

 7 11.30 9.50 10.44 12.80 11.10 11.88 22.90 21.30 21.97 28.70 25.80 26.98

 8 9.50 9.00 9.17 14.10 12.80 13.44 22.20 19.90 21.20 29.40 26.40 27.67

 9 9.50 8.80 9.06 15.40 14.10 14.89 19.90 17.30 18.55 29.30 26.30 27.66

 10 10.90 9.20 9.95 17.40 15.30 16.27 18.80 15.80 17.39 28.70 26.60 27.50

 11 11.70 9.60 10.68 18.30 16.50 17.27 18.90 16.40 17.70 27.60 25.90 26.92

 12 13.70 11.20 12.36 19.00 17.60 18.24 20.40 16.70 18.50 25.90 23.60 24.62

 13 14.50 13.40 13.88 19.80 18.00 18.79 21.90 18.20 19.90 25.90 22.60 24.07

 14 16.20 14.50 15.36 19.80 18.00 18.83 23.00 19.50 21.13 27.30 24.20 25.53

 15 17.20 16.20 16.54 20.30 18.80 19.60 23.10 20.80 21.89 27.50 25.10 26.20

 16 16.30 13.20 14.71 20.30 19.00 19.56 22.50 21.10 21.73 29.30 25.60 27.15

 17 13.30 11.50 12.55 20.50 18.60 19.58 24.60 21.60 22.89 29.60 26.10 27.58

 18 14.00 11.40 12.73 19.90 18.10 19.23 24.50 22.20 23.33 28.80 24.70 26.71

 19 15.20 13.60 14.36 19.10 17.00 18.15 23.40 22.50 22.86 29.10 24.90 26.86

 20 15.20 14.90 15.07 18.60 17.30 18.08 22.60 21.60 22.23 28.40 25.90 27.15

 21 15.00 14.50 14.80 18.80 16.50 17.72 23.80 20.90 22.10 27.90 25.10 26.42

 22 15.20 14.00 14.58 17.70 16.30 16.93 22.40 20.50 21.14 27.90 24.60 26.17

 23 15.80 14.00 14.79 18.10 15.50 16.82 21.30 20.10 20.60 28.10 23.90 26.04

 24 15.70 13.90 14.61 19.00 16.10 17.65 23.60 21.10 22.02 27.80 24.10 26.00

 25 13.90 11.20 12.29 19.10 17.80 18.51 25.20 22.10 23.31 28.20 24.70 26.44

 26 11.20 9.40 10.11 18.80 18.00 18.21 24.60 21.10 22.84 28.50 25.30 26.78

 27 9.70 9.10 9.41 19.50 17.40 18.39 25.00 21.30 23.08 28.00 25.30 26.64

 28 10.30 9.70 9.97 18.70 17.00 18.05 24.60 22.00 23.26 27.50 23.70 25.69

 29 --- --- --- 17.00 15.70 16.36 24.40 21.90 23.18 27.50 23.00 25.28

 30 --- --- --- 16.40 14.10 15.30 24.80 22.40 23.60 29.00 24.40 26.61

 31 --- --- --- 16.00 13.70 15.10 --- --- --- 30.00 25.60 27.76

 MONTH 17.20 8.80 12.79 20.50 10.30 16.24 25.20 15.30 21.05 30.00 22.60 26.19
Table 4 23

Table 4. Continuously monitored discharge, specific conductance, pH, water temperature, and dissolved oxygen for 08067900 Lake 

Creek near Conroe (LAKE1), water years 2003–04—Continued. 

 WATER YEAR OCTOBER 2002 TO SEPTEMBER 2003—Continued

 Temperature, water, degrees Celsius—Continued

 

 DAY MAX MIN MEAN MAX MIN MEAN MAX MIN MEAN MAX MIN MEAN

 JUNE JULY AUGUST SEPTEMBER

 1 30.00 26.30 28.26 29.50 26.90 28.16 31.60 27.70 29.56 27.40 25.70 26.38

 2 29.80 27.00 28.31 30.00 26.60 28.29 31.40 28.20 29.79 26.20 25.70 25.93

 3 28.90 24.40 26.84 29.10 27.20 28.01 31.80 28.40 30.06 26.60 25.70 26.08

 4 27.90 25.70 26.85 27.50 25.60 26.56 31.90 28.60 30.23 27.00 26.10 26.53

 5 25.70 25.20 25.47 26.10 25.20 25.69 31.60 28.80 30.20 27.00 26.70 26.89

 6 27.50 24.80 25.98 27.60 25.40 26.42 32.30 28.80 30.48 27.10 26.60 26.85

 7 28.70 24.40 26.37 27.40 26.00 26.54 32.80 29.20 30.92 27.10 25.70 26.22

 8 28.50 24.70 26.52 27.00 25.10 26.08 32.40 29.10 30.76 26.20 25.40 25.78

 9 29.60 24.90 27.16 26.60 25.50 26.09 31.20 29.20 30.06 26.50 24.50 25.56

 10 29.00 26.80 27.90 27.30 25.30 26.22 31.20 28.20 29.63 26.70 25.20 25.82

 11 30.60 26.90 28.56 27.90 25.80 26.82 30.30 27.20 28.43 25.80 25.00 25.25

 12 29.40 26.70 28.12 30.00 25.80 27.64 27.90 25.50 26.72 25.10 22.90 23.66

 13 29.60 26.00 27.59 30.80 26.90 28.58 28.40 25.10 26.69 24.20 22.90 23.74

 14 29.50 25.60 27.42 31.60 27.40 29.23 28.50 25.80 27.16 --- --- ---

 15 28.10 25.90 26.56 29.60 26.00 27.30 29.80 26.10 27.88 --- --- ---

 16 26.60 24.40 25.46 26.90 25.70 26.23 30.60 27.10 28.84 --- --- ---

 17 26.70 24.00 25.33 30.00 25.90 27.57 31.00 27.50 29.23 --- --- ---

 18 28.20 25.10 26.57 30.80 27.20 28.67 31.80 27.70 29.64 --- --- ---

 19 29.70 25.90 27.63 30.40 27.30 28.74 31.40 28.10 29.81 --- --- ---

 20 29.60 26.80 28.13 31.10 27.30 29.01 31.60 28.30 29.94 25.40 24.50 25.01

 21 30.50 27.20 28.69 31.90 27.70 29.62 31.30 28.30 29.76 24.90 23.60 24.23

 22 31.80 27.60 29.52 31.80 28.20 29.92 29.40 27.10 28.17 25.10 23.30 24.03

 23 31.90 28.10 29.94 30.60 28.00 28.85 30.00 26.40 28.16 24.90 22.90 23.97

 24 30.80 28.40 29.72 28.50 27.40 27.98 30.80 27.10 28.93 25.30 23.60 24.42

 25 32.30 27.90 29.94 30.30 26.30 28.09 30.80 27.70 29.33 25.70 23.60 24.60

 26 30.80 28.50 29.69 30.20 27.00 28.61 31.00 27.90 29.44 24.90 23.90 24.35

 27 29.60 26.70 28.21 30.80 26.80 28.67 31.00 28.20 29.65 25.70 23.30 24.37

 28 30.60 26.40 28.29 30.80 27.10 28.97 30.80 28.40 29.55 25.30 23.30 24.24

 29 29.80 26.70 28.29 30.80 27.50 29.20 30.60 27.90 29.19 23.70 21.70 22.73

 30 29.10 27.00 28.14 30.80 27.60 29.24 29.80 28.10 28.85 22.60 20.30 21.42

 31 --- --- --- 30.60 27.80 29.21 28.50 26.40 27.14 --- --- ---

 MONTH 32.30 24.00 27.72 31.90 25.10 27.94 32.80 25.10 29.17 --- --- ---

 DAY OCT NOV DEC JAN FEB MAR APR MAY JUN JUL AUG SEP

 1 24.75 19.15 11.33 13.30 12.71 10.70 16.64 23.98 28.26 28.16 29.56 26.38

 2 25.61 17.97 11.39 11.70 13.57 11.70 17.68 24.25 28.31 28.29 29.79 25.93

 3 26.07 17.00 13.06 10.35 15.19 12.18 18.49 24.66 26.84 28.01 30.06 26.08

 4 26.58 15.63 13.48 10.03 14.22 11.78 19.69 24.66 26.85 26.56 30.23 26.53

 5 26.96 --- 11.40 10.65 13.09 12.21 21.00 25.49 25.47 25.69 30.20 26.89

 6 26.35 --- 9.25 11.52 11.97 12.17 21.72 26.32 25.98 26.42 30.48 26.85

 7 26.07 --- 8.44 11.57 10.44 11.88 21.97 26.98 26.37 26.54 30.92 26.22

 8 25.29 --- 9.16 11.23 9.17 13.44 21.20 27.67 26.52 26.08 30.76 25.78

 9 24.09 --- 10.13 12.30 9.06 14.89 18.55 27.66 27.16 26.09 30.06 25.56

 10 22.87 --- 10.13 12.56 9.95 16.27 17.39 27.50 27.90 26.22 29.63 25.82

 11 22.18 --- 9.91 11.59 10.68 17.27 17.70 26.92 28.56 26.82 28.43 25.25

 12 21.49 --- 10.22 10.11 12.36 18.24 18.50 24.62 28.12 27.64 26.72 23.66

 13 21.11 --- 10.96 8.86 13.88 18.79 19.90 24.07 27.59 28.58 26.69 23.74

 14 19.56 --- 10.59 8.14 15.36 18.83 21.13 25.53 27.42 29.23 27.16 ---

 15 18.21 15.86 10.80 8.23 16.54 19.60 21.89 26.20 26.56 27.30 27.88 ---

 16 17.17 14.96 11.98 8.77 14.71 19.56 21.73 27.15 25.46 26.23 28.84 ---

 17 17.22 13.79 14.03 8.55 12.55 19.58 22.89 27.58 25.33 27.57 29.23 ---

 18 18.08 13.89 15.97 7.93 12.73 19.23 23.33 26.71 26.57 28.67 29.64 ---

 19 19.26 14.67 16.68 7.97 14.36 18.15 22.86 26.86 27.63 28.74 29.81 ---

 20 19.67 14.36 15.13 10.07 15.07 18.08 22.23 27.15 28.13 29.01 29.94 25.01

 21 19.36 14.15 13.75 13.06 14.80 17.72 22.10 26.42 28.69 29.62 29.76 24.23

 22 18.70 13.90 13.70 13.60 14.58 16.93 21.14 26.17 29.52 29.92 28.17 24.03

 23 19.01 13.02 14.69 11.77 14.79 16.82 20.60 26.04 29.94 28.85 28.16 23.97

 24 19.34 13.48 13.86 9.84 14.61 17.65 22.02 26.00 29.72 27.98 28.93 24.42

 25 19.56 14.35 11.52 9.39 12.29 18.51 23.31 26.44 29.94 28.09 29.33 24.60

 26 19.56 13.58 9.02 9.18 10.11 18.21 22.84 26.78 29.69 28.61 29.44 24.35

 27 19.46 12.38 9.01 9.45 9.41 18.39 23.08 26.64 28.21 28.67 29.65 24.37

 28 19.66 11.75 9.37 10.82 9.97 18.05 23.26 25.69 28.29 28.97 29.55 24.24

 29 20.33 10.77 10.56 12.71 --- 16.36 23.18 25.28 28.29 29.20 29.19 22.73

 30 20.34 11.41 12.66 12.89 --- 15.30 23.60 26.61 28.14 29.24 28.85 21.42

 31 20.02 --- 14.08 12.99 --- 15.10 --- 27.76 --- 29.21 27.14 ---

 MEAN 21.42 --- 11.81 10.68 12.79 16.24 21.05 26.19 27.72 27.94 29.17 ---

 MAX 26.96 --- 16.68 13.60 16.54 19.60 23.60 27.76 29.94 29.92 30.92 ---

 MIN 17.17 --- 8.44 7.93 9.06 10.70 16.64 23.98 25.33 25.69 26.69 ---
24 Streamflow, Water-Quality, and Biological Data for Three Tributaries to Lake Houston Near Houston, Texas, 2002–04

Table 4. Continuously monitored discharge, specific conductance, pH, water temperature, and dissolved oxygen for 08067900 Lake 

Creek near Conroe (LAKE1), water years 2003–04—Continued. 

 WATER YEAR OCTOBER 2002 TO SEPTEMBER 2003—Continued

 Dissolved oxygen, water, unfiltered, milligrams per liter

 DAY MAX MIN MEAN MAX MIN MEAN MAX MIN MEAN MAX MIN MEAN

 OCTOBER NOVEMBER DECEMBER JANUARY

 1 --- --- --- 11.69 9.83 10.99 10.68 10.53 10.59 8.83 8.61 8.73

 2 7.96 6.50 7.46 12.10 11.69 11.91 10.71 10.29 10.55 9.42 8.83 9.14

 3 8.60 6.36 7.33 12.90 12.08 12.39 10.31 9.80 10.11 9.91 9.41 9.67

 4 9.46 6.99 8.17 12.80 12.19 12.39 9.83 9.55 9.73 10.69 9.90 10.42

 5 9.26 7.22 8.14 --- --- --- 10.32 9.71 10.02 10.63 10.18 10.39

 6 9.16 7.08 8.02 --- --- --- 10.97 10.31 10.74 10.68 9.96 10.35

 7 10.83 7.93 9.33 --- --- --- 11.13 10.79 10.99 10.94 10.27 10.59

 8 10.94 8.56 9.56 --- --- --- 10.88 10.72 10.79 10.91 10.34 10.58

 9 9.98 9.22 9.63 --- --- --- 10.90 10.85 10.88 10.41 9.90 10.21

 10 10.04 9.68 9.85 --- --- --- 11.15 10.89 11.05 10.37 9.92 10.15

 11 10.95 10.00 10.44 --- --- --- 11.23 10.96 11.13 10.66 10.37 10.56

 12 11.87 10.48 11.01 --- --- --- 11.06 10.42 10.87 11.28 10.62 11.02

 13 11.96 10.71 11.18 --- --- --- 10.42 9.95 10.12 11.80 11.26 11.56

 14 12.57 11.09 11.71 --- --- --- 10.35 9.96 10.20 12.14 11.79 12.02

 15 13.58 11.76 12.47 8.87 8.74 8.80 10.41 9.98 10.25 12.22 11.57 11.85

 16 14.28 12.26 13.07 9.14 8.85 9.04 9.98 9.66 9.74 11.65 11.41 11.52

 17 14.68 12.63 13.38 9.45 9.14 9.34 9.86 9.66 9.79 11.44 11.26 11.35

 18 14.78 12.42 13.40 9.62 9.31 9.44 9.66 9.23 9.43 11.74 11.43 11.63

 19 12.92 11.99 12.37 9.44 9.25 9.34 9.33 9.19 9.24 11.72 11.52 11.61

 20 12.29 11.91 12.12 9.47 9.28 9.37 9.88 9.33 9.65 11.60 10.77 11.31

 21 12.60 11.96 12.25 9.51 9.35 9.43 10.26 9.87 10.12 10.77 10.15 10.48

 22 13.36 11.52 12.39 9.59 9.37 9.50 10.23 10.07 10.17 10.18 10.06 10.12

 23 11.52 10.19 10.70 9.83 9.58 9.72 10.07 9.64 9.87 10.86 10.14 10.56

 24 10.65 10.06 10.33 9.82 9.60 9.74 10.21 9.49 9.72 11.44 10.86 11.25

 25 10.46 9.89 10.27 9.68 9.53 9.60 10.69 9.98 10.26 11.66 11.32 11.51

 26 10.27 10.10 10.15 9.80 9.53 9.66 10.76 10.66 10.72 11.75 11.51 11.62

 27 10.35 10.26 10.31 10.22 9.76 10.03 10.67 10.34 10.52 11.77 11.55 11.68

 28 10.28 9.88 10.13 10.74 10.13 10.38 10.69 10.39 10.57 11.55 10.98 11.33

 29 10.20 9.37 9.55 10.95 10.74 10.85 10.51 9.86 10.20 10.98 10.57 10.79

 30 9.37 9.03 9.23 10.76 10.53 10.66 9.86 9.08 9.60 10.81 10.54 10.64

 31 9.83 8.93 9.15 --- --- --- 9.08 8.52 8.78 10.99 10.57 10.73

 MONTH --- --- --- --- --- --- 11.23 8.52 10.21 12.22 8.61 10.82

 DAY MAX MIN MEAN MAX MIN MEAN MAX MIN MEAN MAX MIN MEAN

 FEBRUARY MARCH APRIL MAY

 1 11.12 10.60 10.84 11.36 10.88 11.00 9.66 9.01 9.38 8.31 6.96 7.46

 2 10.75 10.10 10.52 11.25 10.67 10.78 9.45 8.61 9.04 8.55 6.89 7.50

 3 10.12 9.82 9.96 10.71 10.44 10.60 8.92 8.33 8.64 8.11 6.76 7.31

 4 10.46 9.82 10.14 10.71 10.41 10.49 8.58 8.03 8.32 7.70 6.64 7.03

 5 10.53 10.10 10.30 10.58 10.17 10.33 8.51 7.74 8.10 8.39 6.61 7.20

 6 10.71 10.15 10.52 10.40 9.94 10.27 7.74 7.52 7.62 8.04 6.32 6.93

 7 11.40 10.50 11.04 10.97 10.09 10.37 8.03 7.50 7.69 8.31 6.25 7.00

 8 11.60 11.40 11.53 10.28 10.07 10.16 8.51 7.53 7.98 8.34 6.15 6.95

 9 11.62 11.39 11.54 10.07 9.66 9.87 9.23 8.09 8.64 8.39 6.12 6.95

 10 11.51 11.21 11.41 9.68 9.35 9.49 9.64 8.64 9.05 8.13 6.06 6.87

 11 11.34 10.45 11.18 9.44 9.21 9.35 9.58 8.67 9.02 6.96 5.96 6.43

 12 10.99 10.44 10.85 9.29 8.94 9.16 9.58 8.55 8.92 7.49 6.30 6.83

 13 10.60 10.28 10.48 8.97 8.15 8.81 9.44 8.26 8.68 8.55 6.60 7.47

 14 10.29 9.83 10.14 8.15 7.99 8.07 9.22 7.96 8.39 8.36 6.43 7.27

 15 10.12 9.70 9.78 8.24 8.06 8.12 8.73 7.61 8.07 8.18 6.34 7.07

 16 10.53 9.68 10.08 8.31 8.08 8.18 8.26 7.50 7.79 8.38 6.19 7.03

 17 11.61 10.32 10.85 8.43 7.85 8.22 8.46 7.40 7.77 8.16 5.90 6.76

 18 11.30 10.70 11.03 8.23 7.85 8.07 8.31 7.22 7.65 8.50 6.11 6.99

 19 10.94 10.23 10.63 8.50 7.86 8.26 7.81 7.12 7.41 8.63 6.04 7.11

 20 10.23 9.84 10.12 8.68 7.66 8.34 7.42 7.20 7.30 7.96 6.00 6.87

 21 9.84 9.19 9.48 8.89 7.67 8.40 8.12 7.25 7.58 8.57 5.89 7.08

 22 9.23 9.06 9.16 9.21 8.44 8.88 8.00 7.37 7.63 8.61 6.25 7.22

 23 9.20 8.89 9.09 9.47 8.73 9.14 8.21 7.66 7.86 8.69 6.19 7.26

 24 9.33 8.86 9.08 9.52 8.73 9.07 8.23 7.39 7.72 8.56 6.22 7.23

 25 10.04 9.16 9.50 9.04 8.60 8.82 8.33 7.17 7.57 8.39 6.06 7.07

 26 11.14 10.04 10.72 8.70 8.45 8.60 8.64 7.20 7.70 8.37 5.94 7.01

 27 11.28 11.11 11.20 8.93 8.47 8.70 8.89 7.27 7.82 8.27 5.89 6.97

 28 11.19 10.95 11.10 8.89 8.46 8.64 8.82 7.16 7.76 8.79 6.19 7.27

 29 --- --- --- 9.51 8.81 9.26 8.86 7.20 7.82 8.85 6.17 7.46

 30 --- --- --- 10.02 9.45 9.76 8.65 7.12 7.70 8.54 6.14 7.20

 31 --- --- --- 10.04 9.39 9.76 --- --- --- 8.30 5.76 6.92

 MONTH 11.62 8.86 10.44 11.36 7.66 9.26 9.66 7.12 8.09 8.85 5.76 7.09
Table 4 25

Table 4. Continuously monitored discharge, specific conductance, pH, water temperature, and dissolved oxygen for 08067900 Lake 

Creek near Conroe (LAKE1), water years 2003–04—Continued. 

 WATER YEAR OCTOBER 2002 TO SEPTEMBER 2003—Continued

 Dissolved oxygen, water, unfiltered, milligrams per liter—Continued

 DAY MAX MIN MEAN MAX MIN MEAN MAX MIN MEAN MAX MIN MEAN

 JUNE JULY AUGUST SEPTEMBER

 1 8.09 5.58 6.70 8.07 5.45 6.53 8.86 5.60 7.15 --- --- ---

 2 7.88 5.31 6.51 8.35 5.24 6.61 8.84 5.64 7.09 --- --- ---

 3 6.66 5.56 5.99 7.16 5.15 6.05 8.73 5.48 7.05 --- --- ---

 4 6.39 5.61 6.06 6.95 5.61 6.16 8.34 5.39 6.87 --- --- ---

 5 6.73 5.92 6.34 6.26 5.57 5.99 8.17 5.33 6.72 --- --- ---

 6 7.45 6.05 6.60 6.59 6.00 6.29 8.32 5.17 6.72 --- --- ---

 7 8.08 5.98 6.73 6.53 5.86 6.17 8.03 5.30 6.62 --- --- ---

 8 8.56 5.85 6.90 6.56 5.94 6.19 8.14 4.99 6.56 --- --- ---

 9 9.06 5.68 7.11 6.57 5.88 6.21 7.46 5.05 6.31 --- --- ---

 10 8.45 5.76 6.97 7.10 6.10 6.54 7.97 5.10 6.44 --- --- ---

 11 8.46 5.57 6.83 7.42 5.60 6.48 7.09 5.10 6.26 --- --- ---

 12 6.76 5.74 6.20 7.96 5.60 6.75 8.38 5.95 6.96 --- --- ---

 13 7.87 5.49 6.39 8.20 6.09 6.78 8.96 6.55 7.57 --- --- ---

 14 8.22 5.94 6.76 8.16 5.83 6.68 8.81 6.44 7.49 --- --- ---

 15 7.45 5.59 6.38 6.54 5.51 6.05 8.91 6.15 7.45 --- --- ---

 16 7.74 6.13 6.72 6.69 5.99 6.27 8.05 6.07 7.07 --- --- ---

 17 6.79 5.03 6.35 7.90 6.31 6.84 8.25 5.72 6.95 --- --- ---

 18 7.25 6.31 6.68 8.15 6.13 6.82 8.42 5.78 6.92 --- --- ---

 19 7.70 6.09 6.62 8.15 5.76 6.64 8.49 5.07 6.81 --- --- ---

 20 7.42 5.80 6.42 8.13 5.75 6.63 7.53 5.04 6.28 6.69 6.52 6.62

 21 7.63 5.62 6.40 7.98 5.33 6.38 8.42 5.06 6.70 6.85 6.63 6.76

 22 7.84 5.25 6.29 8.43 4.86 6.38 8.24 5.74 6.86 6.97 6.77 6.89

 23 7.63 4.93 6.02 7.34 5.50 6.30 8.93 5.58 7.23 7.14 6.91 7.02

 24 7.30 4.70 5.88 7.69 5.89 6.66 8.78 5.85 7.29 7.15 6.94 7.03

 25 7.88 4.92 6.12 8.88 6.51 7.39 8.48 5.69 7.11 7.26 6.98 7.09

 26 7.37 4.78 5.94 8.75 6.16 7.24 8.43 5.47 7.03 7.26 6.96 7.08

 27 7.03 5.10 6.09 9.17 6.22 7.42 8.53 5.43 6.97 7.54 7.07 7.24

 28 7.50 5.71 6.42 9.13 5.96 7.36 7.92 5.27 6.67 7.82 7.05 7.38

 29 8.36 5.82 6.82 8.80 5.82 7.18 8.09 4.69 6.51 8.33 7.35 7.77

 30 7.54 5.61 6.51 8.77 5.69 7.09 --- --- --- 8.84 7.74 8.17

 31 --- --- --- 8.95 5.67 7.19 --- --- --- --- --- ---

 MONTH 9.06 4.70 6.46 9.17 4.86 6.62 --- --- --- --- --- ---

 DAILY MEAN VALUES

 DAY OCT NOV DEC JAN FEB MAR APR MAY JUN JUL AUG SEP

 1 --- 10.99 10.59 8.73 10.84 11.00 9.38 7.46 6.70 6.53 7.15 ---

 2 7.46 11.91 10.55 9.14 10.52 10.78 9.04 7.50 6.51 6.61 7.09 ---

 3 7.33 12.39 10.11 9.67 9.96 10.60 8.64 7.31 5.99 6.05 7.05 ---

 4 8.17 12.39 9.73 10.42 10.14 10.49 8.32 7.03 6.06 6.16 6.87 ---

 5 8.14 --- 10.02 10.39 10.30 10.33 8.10 7.20 6.34 5.99 6.72 ---

 6 8.02 --- 10.74 10.35 10.52 10.27 7.62 6.93 6.60 6.29 6.72 ---

 7 9.33 --- 10.99 10.59 11.04 10.37 7.69 7.00 6.73 6.17 6.62 ---

 8 9.56 --- 10.79 10.58 11.53 10.16 7.98 6.95 6.90 6.19 6.56 ---

 9 9.63 --- 10.88 10.21 11.54 9.87 8.64 6.95 7.11 6.21 6.31 ---

 10 9.85 --- 11.05 10.15 11.41 9.49 9.05 6.87 6.97 6.54 6.44 ---

 11 10.44 --- 11.13 10.56 11.18 9.35 9.02 6.43 6.83 6.48 6.26 ---

 12 11.01 --- 10.87 11.02 10.85 9.16 8.92 6.83 6.20 6.75 6.96 ---

 13 11.18 --- 10.12 11.56 10.48 8.81 8.68 7.47 6.39 6.78 7.57 ---

 14 11.71 --- 10.20 12.02 10.14 8.07 8.39 7.27 6.76 6.68 7.49 ---

 15 12.47 8.80 10.25 11.85 9.78 8.12 8.07 7.07 6.38 6.05 7.45 ---

 16 13.07 9.04 9.74 11.52 10.08 8.18 7.79 7.03 6.72 6.27 7.07 ---

 17 13.38 9.34 9.79 11.35 10.85 8.22 7.77 6.76 6.35 6.84 6.95 ---

 18 13.40 9.44 9.43 11.63 11.03 8.07 7.65 6.99 6.68 6.82 6.92 ---

 19 12.37 9.34 9.24 11.61 10.63 8.26 7.41 7.11 6.62 6.64 6.81 ---

 20 12.12 9.37 9.65 11.31 10.12 8.34 7.30 6.87 6.42 6.63 6.28 6.62

 21 12.25 9.43 10.12 10.48 9.48 8.40 7.58 7.08 6.40 6.38 6.70 6.76

 22 12.39 9.50 10.17 10.12 9.16 8.88 7.63 7.22 6.29 6.38 6.86 6.89

 23 10.70 9.72 9.87 10.56 9.09 9.14 7.86 7.26 6.02 6.30 7.23 7.02

 24 10.33 9.74 9.72 11.25 9.08 9.07 7.72 7.23 5.88 6.66 7.29 7.03

 25 10.27 9.60 10.26 11.51 9.50 8.82 7.57 7.07 6.12 7.39 7.11 7.09

 26 10.15 9.66 10.72 11.62 10.72 8.60 7.70 7.01 5.94 7.24 7.03 7.08

 27 10.31 10.03 10.52 11.68 11.20 8.70 7.82 6.97 6.09 7.42 6.97 7.24

 28 10.13 10.38 10.57 11.33 11.10 8.64 7.76 7.27 6.42 7.36 6.67 7.38

 29 9.55 10.85 10.20 10.79 --- 9.26 7.82 7.46 6.82 7.18 6.51 7.77

 30 9.23 10.66 9.60 10.64 --- 9.76 7.70 7.20 6.51 7.09 --- 8.17

 31 9.15 --- 8.78 10.73 --- 9.76 --- 6.92 --- 7.19 --- ---

 MEAN --- --- 10.21 10.82 10.44 9.26 8.09 7.09 6.46 6.62 --- ---

 MAX --- --- 11.13 12.02 11.54 11.00 9.38 7.50 7.11 7.42 --- ---

 MIN --- --- 8.78 8.73 9.08 8.07 7.30 6.43 5.88 5.99 --- ---
26 Streamflow, Water-Quality, and Biological Data for Three Tributaries to Lake Houston Near Houston, Texas, 2002–04

Table 4. Continuously monitored discharge, specific conductance, pH, water temperature, and dissolved oxygen for 08067900 Lake 

Creek near Conroe (LAKE1), water years 2003–04—Continued. 

 WATER YEAR OCTOBER 2003 TO SEPTEMBER 2004

 Discharge, cubic feet per second

 DAILY MEAN VALUES

 DAY OCT NOV DEC JAN FEB MAR APR MAY JUN JUL AUG SEP

 1 9.9 26 38 134 151 336 81 394 26 1840 21 8.6

 2 9.5 26 31 70 241 783 61 1230 24 1480 21 7.4

 3 8.8 25 26 51 219 1060 57 569 24 1010 20 7.3

 4 8.0 25 24 43 120 1190 55 429 22 615 40 7.7

 5 7.8 24 21 38 427 602 47 492 21 296 38 8.7

 6 12 21 19 32 401 583 44 172 21 112 25 9.6

 7 14 19 18 29 480 976 47 80 19 73 18 8.6

 8 14 17 18 27 401 686 50 60 30 56 14 7.7

 9 84 18 18 30 193 231 44 52 68 47 13 7.1

 10 315 18 17 31 430 111 47 48 150 40 13 6.5

 11 253 15 18 30 1590 82 136 53 215 61 26 6.2

 12 911 14 23 28 2000 69 306 188 142 44 19 6.0

 13 911 13 79 26 e2300 62 262 691 65 45 13 6.2

 14 231 11 64 24 1930 64 162 1700 51 40 10 6.8

 15 73 10 72 25 1510 81 105 1940 49 32 9.5 6.8

 16 45 15 68 25 1060 106 74 e2000 64 27 8.8 6.6

 17 33 50 53 953 772 253 57 1830 70 24 8.3 6.1

 18 26 681 38 1600 366 144 46 1060 89 21 8.1 5.7

 19 21 1280 30 1890 186 94 39 470 66 18 8.7 5.5

 20 18 1390 25 1670 131 75 35 704 44 17 9.7 5.2

 21 16 982 22 712 108 75 32 519 34 16 16 5.1

 22 15 262 20 188 93 86 31 223 32 15 15 5.0

 23 14 97 20 101 168 194 29 114 225 14 11 4.8

 24 12 61 19 112 415 171 31 72 172 14 11 4.9

 25 17 45 18 1210 747 131 432 57 180 13 9.6 4.8

 26 26 38 17 1590 1080 217 1580 47 371 25 8.6 4.8

 27 148 33 17 1910 984 167 1060 40 897 36 7.8 4.7

 28 120 32 19 1440 629 101 481 36 1410 40 7.6 4.5

 29 79 33 32 391 285 84 448 33 e2200 39 11 4.4

 30 46 45 206 208 --- 146 185 30 e2000 28 14 4.4

 31 31 --- 267 183 --- 135 --- 28 --- 23 13 ---

 TOTAL 3529.0 5326 1357 14801 19417 9095 6064 15361 8781 6161 468.7 187.7

 MEAN 114 178 43.8 477 670 293 202 496 293 199 15.1 6.26

 MAX 911 1390 267 1910 2300 1190 1580 2000 2200 1840 40 9.6

 MIN 7.8 10 17 24 93 62 29 28 19 13 7.6 4.4

 AC-FT 7000 10560 2690 29360 38510 18040 12030 30470 17420 12220 930 372

 e Estimated
Table 4 27

Table 4. Continuously monitored discharge, specific conductance, pH, water temperature, and dissolved oxygen for 08067900 Lake 

Creek near Conroe (LAKE1), water years 2003–04—Continued. 

 WATER YEAR OCTOBER 2003 TO SEPTEMBER 2004—Continued

 Specific conductance, water, unfiltered, microsiemens per centimeter at 25 degrees Celsius

 DAY MAX MIN MEAN MAX MIN MEAN MAX MIN MEAN MAX MIN MEAN

 OCTOBER NOVEMBER DECEMBER JANUARY

 1 474 459 466 527 504 516 656 574 624 684 664 677

 2 465 435 446 504 483 490 651 611 626 664 633 650

 3 455 444 448 487 476 481 612 604 607 633 610 620

 4 459 454 455 489 486 488 605 587 596 610 603 607

 5 459 445 457 489 451 471 590 583 586 607 591 597

 6 445 413 424 501 480 490 606 518 590 629 607 618

 7 432 420 426 515 501 508 558 329 384 653 629 642

 8 444 412 423 518 515 517 590 311 372 660 653 657

 9 469 167 381 520 516 518 573 310 450 670 658 663

 10 249 166 220 541 519 524 335 286 311 684 670 678

 11 558 221 403 568 541 557 591 318 345 670 657 660

 12 585 213 317 570 553 563 595 476 572 678 655 666

 13 240 213 224 553 540 545 476 285 360 703 678 691

 14 287 240 263 544 539 542 519 409 484 725 702 713

 15 319 287 303 543 532 538 712 519 631 726 706 716

 16 347 319 333 532 432 500 811 712 773 736 661 726

 17 371 347 358 433 235 331 929 811 882 661 189 301

 18 386 371 380 565 187 338 928 873 911 265 243 249

 19 402 380 390 335 323 328 873 790 825 296 255 276

 20 415 402 409 327 289 309 790 772 779 289 273 280

 21 419 413 415 301 282 289 772 743 760 336 286 314

 22 423 417 420 341 301 321 743 696 717 383 336 359

 23 429 422 425 371 341 357 696 657 670 416 379 399

 24 429 424 426 426 371 396 661 386 600 432 286 408

 25 430 291 400 456 426 442 430 344 365 314 182 242

 26 394 347 369 472 455 464 347 335 341 302 245 263

 27 664 307 486 478 470 475 380 334 343 252 228 234

 28 477 410 435 497 478 488 605 378 552 254 227 236

 29 613 477 560 524 497 511 591 557 578 305 254 282

 30 619 577 603 586 524 553 868 550 691 342 303 320

 31 577 527 548 --- --- --- 710 665 677 428 342 382

 MONTH 664 166 407 586 187 462 929 285 581 736 182 488
28 Streamflow, Water-Quality, and Biological Data for Three Tributaries to Lake Houston Near Houston, Texas, 2002–04

Table 4. Continuously monitored discharge, specific conductance, pH, water temperature, and dissolved oxygen for 08067900 Lake 

Creek near Conroe (LAKE1), water years 2003–04—Continued. 

 WATER YEAR OCTOBER 2003 TO SEPTEMBER 2004—Continued

 Specific conductance, water, unfiltered, microsiemens per centimeter at 25 degrees Celsius—Continued

 DAY MAX MIN MEAN MAX MIN MEAN MAX MIN MEAN MAX MIN MEAN

 FEBRUARY MARCH APRIL MAY

 1 515 424 471 380 344 356 302 270 279 324 210 278

 2 523 423 466 442 352 401 368 302 335 265 186 215

 3 438 395 414 426 318 392 425 368 400 337 265 303

 4 516 426 487 318 283 292 442 414 427 432 337 393

 5 514 276 372 362 298 328 437 414 428 349 294 306

 6 639 287 377 528 362 445 451 419 434 339 301 320

 7 682 523 581 465 342 397 481 451 469 359 339 349

 8 564 503 542 347 333 337 484 457 475 383 359 370

 9 503 438 469 398 347 373 495 436 472 410 381 394

 10 446 324 380 440 397 417 463 431 449 424 410 417

 11 327 225 256 482 439 464 431 330 374 429 418 426

 12 229 151 194 516 481 497 416 335 366 418 49 266

 13 151 135 140 543 516 527 429 350 400 300 95 208

 14 161 136 145 553 533 544 440 390 411 191 171 182

 15 257 161 207 552 536 545 510 437 477 237 190 212

 16 284 257 276 627 542 566 568 509 546 265 237 253

 17 284 271 277 788 589 720 584 564 575 285 265 276

 18 318 276 296 589 526 547 593 583 590 338 283 303

 19 366 318 342 581 528 557 591 583 587 448 338 397

 20 420 366 389 604 581 596 585 540 555 426 346 365

 21 455 419 438 645 603 620 540 191 441 373 349 360

 22 498 454 476 708 645 674 215 192 207 405 373 391

 23 527 481 505 904 708 786 197 109 117 433 405 418

 24 521 395 452 735 557 612 147 112 129 454 433 443

 25 534 381 465 557 500 529 157 137 151 479 453 469

 26 424 371 393 694 423 516 190 124 142 490 478 482

 27 380 361 372 696 513 577 353 190 286 509 489 497

 28 374 339 352 514 454 490 449 353 405 515 507 511

 29 380 342 363 454 400 423 432 307 344 534 514 525

 30 --- --- --- 405 340 367 321 306 313 540 531 536

 31 --- --- --- 353 272 307 --- --- --- 550 539 544

 MONTH 682 135 376 904 272 490 593 109 386 550 49 368

 DAY MAX MIN MEAN MAX MIN MEAN MAX MIN MEAN MAX MIN MEAN

 JUNE JULY AUGUST SEPTEMBER

 1 555 545 550 270 222 244 338 323 333 219 192 203

 2 573 551 556 331 270 295 323 311 315 238 204 217

 3 573 553 560 388 331 365 316 305 310 242 212 221

 4 570 561 565 398 386 391 355 275 303 220 199 209

 5 569 558 563 428 397 411 414 355 397 222 203 209

 6 569 551 560 449 428 440 413 384 401 219 200 208

 7 556 550 552 473 449 461 384 375 377 225 194 204

 8 556 402 516 500 473 488 377 366 371 215 187 198

 9 529 405 461 518 498 506 366 344 361 232 194 206

 10 759 479 605 526 517 523 345 333 340 221 204 213

 11 759 544 659 549 506 528 344 304 324 235 207 218

 12 544 491 500 551 508 528 331 305 321 245 204 216

 13 495 489 492 561 551 556 338 327 334 231 204 218

 14 497 435 482 564 556 560 328 301 316 239 201 215

 15 460 417 436 580 561 571 302 261 277 226 196 210

 16 469 421 441 571 531 553 273 252 260 230 193 207

 17 460 394 419 532 487 507 271 251 258 242 193 212

 18 531 420 477 487 450 466 266 245 250 238 195 210

 19 524 498 510 451 418 433 267 226 244 232 194 212

 20 505 489 500 421 383 402 255 227 239 234 195 212

 21 537 443 489 384 325 361 247 207 225 230 197 210

 22 532 465 514 338 259 303 226 212 216 222 201 209

 23 467 238 318 307 288 292 260 224 243 228 202 213

 24 285 254 273 288 284 286 258 241 248 250 204 218

 25 353 277 295 286 277 281 255 241 247 228 202 212

 26 602 353 509 278 272 276 246 228 235 216 200 205

 27 493 329 361 308 254 281 248 229 239 223 199 207

 28 345 264 310 304 243 268 256 235 242 212 195 200

 29 264 195 212 350 269 316 241 209 221 199 193 195

 30 222 197 208 351 339 348 209 192 197 196 192 193

 31 --- --- --- 339 329 332 204 176 188 --- --- ---

 MONTH 759 195 463 580 222 406 414 176 285 250 187 209

 YEAR 929 49 411
Table 4 29

Table 4. Continuously monitored discharge, specific conductance, pH, water temperature, and dissolved oxygen for 08067900 Lake 

Creek near Conroe (LAKE1), water years 2003–04—Continued. 

 WATER YEAR OCTOBER 2003 TO SEPTEMBER 2004—Continued

 pH, water, unfiltered, field, standard units

 DAY MAX MIN MAX MIN MAX MIN MAX MIN MAX MIN MAX MIN

 OCTOBER NOVEMBER DECEMBER JANUARY FEBRUARY MARCH

 1 7.25 7.21 6.89 6.85 6.85 6.78 7.02 6.29 6.49 6.39 6.34 6.28

 2 7.23 7.16 6.86 6.82 6.84 6.71 7.01 6.89 6.50 6.44 6.53 6.32

 3 7.23 7.16 6.89 6.83 6.75 6.63 6.89 6.74 6.46 6.33 6.53 6.26

 4 7.24 7.14 6.95 6.87 6.75 6.63 6.82 6.74 6.40 6.33 6.26 6.20

 5 7.22 7.12 6.90 6.78 6.84 6.68 7.02 6.80 6.40 6.00 6.33 6.23

 6 7.12 6.97 6.95 6.86 6.85 6.72 7.12 7.02 6.51 6.14 6.64 6.33

 7 7.12 6.99 7.20 6.95 6.85 6.38 7.21 7.08 6.59 6.51 6.61 6.44

 8 7.12 7.01 7.17 7.09 6.60 6.15 7.21 7.04 6.56 6.53 6.44 6.40

 9 7.08 6.41 7.22 7.13 6.58 6.23 7.06 6.91 6.54 6.36 6.45 6.33

 10 6.48 6.39 7.26 7.16 6.70 6.42 7.03 6.92 6.36 6.23 6.38 6.34

 11 7.04 6.41 7.17 7.10 6.74 6.47 6.99 6.91 6.34 6.23 6.43 6.37

 12 7.04 6.47 7.18 7.02 6.60 6.49 7.01 6.93 6.25 5.93 6.51 6.40

 13 6.57 6.47 7.23 7.14 6.49 6.25 6.96 6.81 5.96 5.91 6.53 6.47

 14 6.68 6.55 7.32 7.20 6.52 6.37 6.89 6.79 6.10 5.92 6.53 6.46

 15 6.72 6.65 7.28 7.20 6.62 6.48 6.82 6.77 5.98 5.88 6.55 6.48

 16 6.65 6.57 7.21 7.02 6.73 6.61 6.79 6.71 6.06 5.96 6.68 6.52

 17 6.66 6.59 7.02 6.52 6.74 6.61 6.77 6.34 5.99 5.92 6.86 6.68

 18 6.72 6.65 6.83 6.39 6.65 6.54 6.56 6.48 5.97 5.93 6.78 6.55

 19 6.74 6.68 6.71 6.61 6.61 6.43 6.69 6.55 6.00 5.95 6.56 6.54

 20 6.79 6.74 6.73 6.66 6.52 6.34 6.80 6.69 6.07 5.99 6.66 6.55

 21 6.85 6.77 6.72 6.66 6.41 6.21 6.78 6.65 6.14 6.07 6.72 6.64

 22 6.81 6.74 6.75 6.71 6.25 6.01 6.78 6.67 6.18 6.13 6.82 6.70

 23 6.84 6.77 6.73 6.68 6.32 6.14 6.72 6.61 6.30 6.17 7.05 6.79

 24 6.91 6.83 6.87 6.72 6.41 6.22 6.62 6.46 6.47 6.25 6.88 6.61

 25 6.88 6.66 6.84 6.70 6.43 6.22 6.46 6.23 6.47 6.28 6.61 6.42

 26 6.89 6.75 6.71 6.55 6.33 6.11 6.45 6.27 6.34 6.30 6.85 6.40

 27 7.25 6.83 6.60 6.45 6.21 6.01 6.37 6.27 6.34 6.31 6.87 6.67

 28 7.18 7.14 6.85 6.57 6.48 6.17 6.40 6.34 6.35 6.31 6.68 6.60

 29 7.22 7.11 6.89 6.77 6.41 6.31 6.40 6.34 6.37 6.28 6.60 6.58

 30 7.14 6.99 6.91 6.79 6.58 6.32 6.34 6.26 --- --- 6.87 6.60

 31 6.99 6.88 --- --- 6.51 6.27 6.39 6.28 --- --- 6.95 6.78

 MONTH 7.25 6.39 7.32 6.39 6.85 6.01 7.21 6.23 6.59 5.88 7.05 6.20

 DAY MAX MIN MAX MIN MAX MIN MAX MIN MAX MIN MAX MIN

 APRIL MAY JUNE JULY AUGUST SEPTEMBER

 1 6.78 6.67 6.62 6.37 --- --- --- --- --- --- --- ---

 2 6.78 6.64 6.72 6.37 --- --- --- --- --- --- --- ---

 3 6.78 6.68 6.90 6.71 --- --- --- --- --- --- --- ---

 4 6.81 6.66 7.00 6.89 --- --- --- --- --- --- --- ---

 5 6.82 6.75 6.89 6.74 --- --- --- --- --- --- --- ---

 6 6.85 6.78 6.75 6.56 --- --- --- --- --- --- --- ---

 7 6.89 6.77 6.62 6.56 --- --- --- --- --- --- --- ---

 8 6.92 6.74 6.66 6.59 --- --- --- --- --- --- --- ---

 9 6.89 6.60 6.74 6.62 --- --- --- --- --- --- --- ---

 10 6.79 6.64 6.83 6.68 --- --- --- --- --- --- --- ---

 11 6.73 6.48 6.82 6.70 --- --- --- --- --- --- --- ---

 12 6.83 6.71 6.96 6.65 --- --- --- --- --- --- --- ---

 13 6.98 6.83 7.10 6.49 --- --- --- --- --- --- --- ---

 14 7.00 6.96 6.49 6.36 --- --- --- --- --- --- --- ---

 15 6.99 6.92 6.49 6.42 --- --- --- --- --- --- --- ---

 16 6.94 6.84 6.48 6.42 --- --- --- --- --- --- --- ---

 17 6.86 6.68 6.46 6.37 --- --- --- --- --- --- --- ---

 18 6.87 6.68 6.45 6.31 --- --- --- --- --- --- --- ---

 19 6.84 6.61 6.71 6.45 --- --- --- --- --- --- --- ---

 20 6.87 6.68 6.64 6.46 --- --- --- --- --- --- --- ---

 21 6.81 6.62 6.53 6.45 --- --- --- --- --- --- --- ---

 22 6.81 6.51 6.54 6.44 --- --- --- --- --- --- --- ---

 23 6.95 6.47 6.57 6.51 --- --- --- --- --- --- --- ---

 24 7.16 6.79 6.64 6.51 --- --- --- --- --- --- --- ---

 25 6.92 6.00 6.65 6.54 --- --- --- --- --- --- --- ---

 26 6.37 6.00 6.71 6.46 --- --- --- --- --- --- --- ---

 27 6.62 6.36 6.72 6.46 --- --- --- --- --- --- --- ---

 28 6.90 6.61 --- --- --- --- --- --- --- --- --- ---

 29 6.90 6.74 --- --- --- --- --- --- --- --- --- ---

 30 6.74 6.61 --- --- --- --- --- --- --- --- --- ---

 31 --- --- --- --- --- --- --- --- --- --- --- ---

 MONTH 7.16 6.00 --- --- --- --- --- --- --- --- --- ---
30 Streamflow, Water-Quality, and Biological Data for Three Tributaries to Lake Houston Near Houston, Texas, 2002–04

Table 4. Continuously monitored discharge, specific conductance, pH, water temperature, and dissolved oxygen for 08067900 Lake 

Creek near Conroe (LAKE1), water years 2003–04—Continued. 

 WATER YEAR OCTOBER 2003 TO SEPTEMBER 2004—Continued

 Temperature, water, degrees Celsius

 DAY MAX MIN MEAN MAX MIN MEAN MAX MIN MEAN MAX MIN MEAN

 OCTOBER NOVEMBER DECEMBER JANUARY

 1 22.30 19.80 20.95 21.80 20.30 20.95 14.50 13.00 13.72 12.80 10.90 11.93

 2 22.00 19.90 20.82 22.30 20.90 21.57 14.60 13.50 14.05 14.70 12.80 13.74

 3 21.40 18.80 20.07 23.00 21.40 22.08 15.00 13.70 14.28 16.50 14.70 15.65

 4 21.70 18.70 20.16 23.20 21.70 22.39 14.50 13.20 13.85 17.50 16.50 16.95

 5 23.00 19.70 21.15 23.00 21.80 22.43 13.30 11.80 12.66 16.90 13.70 15.26

 6 23.20 21.50 22.22 22.40 20.40 21.66 11.80 10.50 11.14 13.70 11.50 12.28

 7 23.80 22.00 22.73 20.40 18.60 19.42 11.20 9.30 10.34 11.50 10.30 10.76

 8 24.70 22.80 23.57 18.60 17.90 18.24 12.80 10.50 11.61 11.10 10.10 10.51

 9 24.10 23.30 23.76 18.80 17.40 18.02 14.30 12.80 13.51 12.10 10.80 11.36

 10 23.40 23.20 23.29 18.70 16.90 17.89 13.20 11.00 12.09 11.20 10.00 10.62

 11 23.60 22.90 23.23 20.60 18.50 19.46 11.10 9.60 10.45 10.60 9.20 9.97

 12 24.60 23.00 23.85 21.50 19.80 20.51 11.90 10.60 11.16 10.90 9.40 10.21

 13 24.70 23.90 24.30 20.70 19.00 20.20 12.00 10.60 11.55 12.90 10.90 11.96

 14 24.90 23.70 24.52 19.00 17.00 17.89 10.60 9.30 9.90 13.90 12.30 13.09

 15 23.70 21.70 22.48 19.30 17.40 18.33 11.50 9.50 10.47 14.80 13.70 14.26

 16 22.00 20.70 21.53 21.00 19.10 20.00 12.00 11.00 11.49 15.90 14.70 15.19

 17 23.10 21.80 22.26 20.50 20.30 20.39 11.00 9.50 10.24 16.50 15.80 16.35

 18 22.10 20.50 21.30 20.50 20.10 20.33 10.10 8.90 9.55 16.40 14.00 15.35

 19 21.40 19.30 20.32 20.10 17.90 19.25 9.90 8.60 9.24 14.00 11.80 12.64

 20 21.10 18.70 19.89 17.90 16.60 17.09 9.70 8.10 8.88 11.80 10.20 10.78

 21 21.00 18.70 19.82 17.30 16.00 16.57 10.70 8.40 9.53 10.70 9.60 10.13

 22 21.10 18.60 19.83 17.90 17.10 17.53 12.60 10.20 11.36 11.00 10.20 10.58

 23 21.50 19.10 20.21 18.60 16.90 18.06 12.90 11.40 12.20 12.50 10.90 11.64

 24 21.80 19.70 20.68 16.90 14.00 15.39 11.40 9.70 10.65 14.70 12.50 13.30

 25 21.30 20.80 20.94 14.00 12.50 13.29 11.40 9.80 10.67 15.30 14.70 15.03

 26 20.90 18.10 19.59 15.80 13.80 14.82 13.00 11.20 12.01 15.30 14.40 14.94

 27 18.60 17.90 18.17 17.50 15.80 16.49 15.20 13.00 14.12 14.40 12.00 12.83

 28 18.00 17.00 17.52 15.90 13.70 14.80 16.30 14.90 15.52 12.00 10.00 10.64

 29 18.00 16.70 17.41 13.70 12.40 12.90 14.90 12.80 13.97 11.30 10.60 10.86

 30 19.40 17.30 18.33 13.00 11.50 12.29 12.80 11.00 11.79 11.90 11.30 11.74

 31 20.50 19.40 20.05 --- --- --- 11.00 10.40 10.69 11.90 11.70 11.81

 MONTH 24.90 16.70 21.13 23.20 11.50 18.34 16.30 8.10 11.70 17.50 9.20 12.66

 DAY MAX MIN MEAN MAX MIN MEAN MAX MIN MEAN MAX MIN MEAN

 FEBRUARY MARCH APRIL MAY

 1 12.80 11.70 12.18 15.00 13.80 14.50 21.20 18.70 19.95 22.70 19.80 21.32

 2 13.20 12.40 12.78 16.00 14.80 15.34 21.10 18.90 20.12 19.80 18.80 19.19

 3 12.60 11.50 11.84 18.50 15.90 17.14 21.50 19.90 20.70 20.00 18.60 19.33

 4 11.60 11.10 11.37 19.80 18.50 19.19 21.90 19.90 20.91 21.00 19.40 19.99

 5 12.00 10.90 11.47 19.80 19.20 19.47 21.90 20.30 21.03 21.60 20.80 21.26

 6 12.10 11.40 11.84 19.30 18.30 18.67 20.90 19.10 19.82 23.00 21.40 22.11

 7 11.40 10.30 10.72 19.00 17.10 18.16 20.60 18.30 19.28 22.80 21.30 22.16

 8 10.60 9.60 9.94 18.80 17.00 18.04 20.80 18.80 19.93 22.80 21.90 22.38

 9 11.70 10.00 10.87 19.00 17.80 18.38 22.20 19.40 20.74 23.80 22.00 22.81

 10 12.20 11.70 12.01 18.50 16.50 17.50 21.90 20.70 21.14 24.00 22.10 22.96

 11 12.10 11.40 11.85 18.40 16.30 17.41 20.70 18.00 18.88 23.50 22.30 22.96

 12 11.40 10.01 10.69 17.60 16.40 17.06 18.00 16.00 16.87 23.50 22.10 22.65

 13 10.01 8.30 9.05 17.20 16.30 16.83 16.40 15.20 15.79 23.40 20.90 22.51

 14 8.30 7.20 7.76 17.40 17.00 17.16 17.10 15.20 16.13 20.90 20.40 20.70

 15 7.90 6.70 7.29 18.50 17.20 17.72 18.40 15.80 17.10 22.40 20.70 21.19

 16 9.80 7.10 8.35 20.00 17.70 18.78 20.20 17.10 18.60 23.30 22.10 22.49

 17 11.30 8.80 9.91 20.40 19.30 19.84 21.40 19.20 20.24 24.00 23.00 23.40

 18 12.00 10.90 11.52 21.70 20.10 20.93 22.20 20.00 21.06 24.50 23.80 24.12

 19 13.60 11.70 12.62 22.20 21.00 21.55 23.10 20.90 21.87 25.10 24.30 24.68

 20 14.90 13.20 13.97 22.90 20.80 21.83 22.20 21.20 21.79 26.40 25.00 25.58

 21 15.40 13.90 14.64 22.70 21.40 22.02 22.70 21.20 21.88 26.50 25.70 26.04

 22 15.80 14.00 14.93 21.40 19.70 20.55 24.00 21.60 22.65 26.50 25.30 25.88

 23 15.90 15.20 15.52 20.00 19.20 19.51 24.60 22.80 23.59 26.70 24.90 25.73

 24 15.60 15.20 15.41 19.50 18.90 19.17 23.70 22.70 23.20 27.00 24.90 25.86

 25 15.50 13.90 14.83 19.80 18.60 19.21 22.80 20.80 21.85 27.10 25.30 26.11

 26 13.90 12.10 13.03 20.60 19.60 20.03 21.70 20.70 21.10 27.30 25.30 26.18

 27 13.30 11.10 12.23 21.20 20.00 20.62 22.10 21.10 21.62 27.70 25.30 26.32

 28 13.50 11.70 12.59 21.90 20.80 21.38 22.10 21.10 21.50 27.20 25.70 26.35

 29 14.00 13.50 13.80 21.70 20.40 21.17 21.80 21.20 21.57 27.70 25.60 26.56

 30 --- --- --- 20.90 19.00 20.11 22.90 21.80 22.33 27.00 26.30 26.66

 31 --- --- --- 20.70 19.10 19.92 --- --- --- 28.90 26.20 27.35

 MONTH 15.90 6.70 11.90 22.90 13.80 19.01 24.60 15.20 20.44 28.90 18.60 23.64
Table 4 31

Table 4. Continuously monitored discharge, specific conductance, pH, water temperature, and dissolved oxygen for 08067900 Lake 

Creek near Conroe (LAKE1), water years 2003–04—Continued. 

 WATER YEAR OCTOBER 2003 TO SEPTEMBER 2004—Continued

 Temperature, water, degrees Celsius—Continued

 DAY MAX MIN MEAN MAX MIN MEAN MAX MIN MEAN MAX MIN MEAN

 JUNE JULY AUGUST SEPTEMBER

 1 29.40 26.40 27.85 26.50 25.70 26.07 30.10 28.00 28.98 27.40 24.60 25.99

 2 29.40 26.90 28.09 27.30 26.10 26.59 30.80 27.50 29.01 26.20 24.60 25.38

 3 28.80 26.10 27.42 28.30 27.00 27.47 31.30 28.10 29.51 25.90 24.70 25.26

 4 28.90 26.20 27.40 28.50 28.00 28.25 30.50 28.40 29.45 27.40 24.50 25.80

 5 27.30 25.80 26.39 29.30 28.30 28.72 31.50 28.80 30.01 28.30 25.20 26.66

 6 28.80 25.40 26.82 29.50 27.60 28.46 30.40 28.90 29.75 28.40 25.90 27.08

 7 27.60 26.20 26.99 29.40 27.20 28.32 29.50 27.00 28.21 27.20 25.70 26.44

 8 26.70 24.60 25.58 30.00 27.90 28.85 29.30 26.30 27.69 26.30 25.00 25.63

 9 26.20 24.60 25.32 29.20 27.70 28.43 28.90 26.50 27.60 27.00 23.50 25.15

 10 27.10 25.70 26.38 29.00 26.90 27.85 29.00 26.80 27.75 27.50 23.80 25.57

 11 27.10 26.30 26.66 27.80 26.60 27.11 29.20 26.60 27.77 27.00 24.90 26.01

 12 28.30 26.70 27.32 28.30 25.80 26.94 29.00 26.40 27.50 27.20 24.90 26.09

 13 28.20 26.50 27.25 29.10 26.30 27.61 27.50 24.70 26.06 27.40 25.00 26.22

 14 27.70 25.50 26.54 29.70 27.00 28.22 27.50 24.30 25.78 27.10 25.50 26.37

 15 26.70 25.20 25.93 30.30 27.60 28.82 27.30 23.70 25.47 28.80 25.50 26.98

 16 25.30 24.70 25.05 30.00 27.90 28.93 27.30 23.60 25.35 28.90 25.70 27.29

 17 26.10 24.40 25.20 30.20 27.70 28.86 27.50 23.60 25.46 29.10 25.90 27.50

 18 27.80 25.30 26.51 30.50 28.20 29.21 27.00 24.00 25.54 28.70 26.20 27.53

 19 29.10 26.60 27.76 29.90 27.50 28.67 26.70 25.10 25.97 28.50 26.10 27.35

 20 29.50 27.20 28.31 29.90 27.20 28.41 28.80 25.10 26.77 27.30 24.80 26.21

 21 29.60 27.20 28.32 29.00 26.80 27.79 28.00 26.40 27.04 27.10 24.80 25.98

 22 28.50 26.20 27.30 27.80 26.60 27.19 27.60 25.70 26.57 27.20 24.80 26.01

 23 26.20 24.50 25.07 29.60 25.90 27.42 28.30 26.00 26.92 26.50 24.40 25.60

 24 25.20 24.40 24.68 30.00 26.90 28.24 29.80 26.40 27.92 26.20 24.80 25.54

 25 24.70 24.10 24.38 29.00 27.10 28.04 30.50 27.20 28.65 26.50 24.80 25.58

 26 24.80 24.40 24.68 27.70 26.30 26.94 30.80 27.80 29.12 26.10 24.50 25.41

 27 25.00 24.30 24.68 28.40 25.70 26.93 30.50 27.90 29.13 25.50 23.90 24.82

 28 25.20 24.20 24.65 27.80 26.20 27.03 29.50 27.60 28.38 25.80 23.60 24.69

 29 25.70 25.00 25.24 28.70 26.60 27.57 27.70 25.80 26.87 24.90 23.00 23.98

 30 26.00 25.70 25.81 29.50 27.30 28.30 28.70 25.70 26.96 24.40 22.10 23.34

 31 --- --- --- 30.40 27.50 28.82 28.60 25.80 27.00 --- --- ---

 MONTH 29.60 24.10 26.32 30.50 25.70 27.94 31.50 23.60 27.55 29.10 22.10 25.92

 YEAR 31.50 6.70 20.57

 DAY OCT NOV DEC JAN FEB MAR APR MAY JUN JUL AUG SEP

 1 20.95 20.95 13.72 11.93 12.18 14.50 19.95 21.32 27.85 26.07 28.98 25.99

 2 20.82 21.57 14.05 13.74 12.78 15.34 20.12 19.19 28.09 26.59 29.01 25.38

 3 20.07 22.08 14.28 15.65 11.84 17.14 20.70 19.33 27.42 27.47 29.51 25.26

 4 20.16 22.39 13.85 16.95 11.37 19.19 20.91 19.99 27.40 28.25 29.45 25.80

 5 21.15 22.43 12.66 15.26 11.47 19.47 21.03 21.26 26.39 28.72 30.01 26.66

 6 22.22 21.66 11.14 12.28 11.84 18.67 19.82 22.11 26.82 28.46 29.75 27.08

 7 22.73 19.42 10.34 10.76 10.72 18.16 19.28 22.16 26.99 28.32 28.21 26.44

 8 23.57 18.24 11.61 10.51 9.94 18.04 19.93 22.38 25.58 28.85 27.69 25.63

 9 23.76 18.02 13.51 11.36 10.87 18.38 20.74 22.81 25.32 28.43 27.60 25.15

 10 23.29 17.89 12.09 10.62 12.01 17.50 21.14 22.96 26.38 27.85 27.75 25.57

 11 23.23 19.46 10.45 9.97 11.85 17.41 18.88 22.96 26.66 27.11 27.77 26.01

 12 23.85 20.51 11.16 10.21 10.69 17.06 16.87 22.65 27.32 26.94 27.50 26.09

 13 24.30 20.20 11.55 11.96 9.05 16.83 15.79 22.51 27.25 27.61 26.06 26.22

 14 24.52 17.89 9.90 13.09 7.76 17.16 16.13 20.70 26.54 28.22 25.78 26.37

 15 22.48 18.33 10.47 14.26 7.29 17.72 17.10 21.19 25.93 28.82 25.47 26.98

 16 21.53 20.00 11.49 15.19 8.35 18.78 18.60 22.49 25.05 28.93 25.35 27.29

 17 22.26 20.39 10.24 16.35 9.91 19.84 20.24 23.40 25.20 28.86 25.46 27.50

 18 21.30 20.33 9.55 15.35 11.52 20.93 21.06 24.12 26.51 29.21 25.54 27.53

 19 20.32 19.25 9.24 12.64 12.62 21.55 21.87 24.68 27.76 28.67 25.97 27.35

 20 19.89 17.09 8.88 10.78 13.97 21.83 21.79 25.58 28.31 28.41 26.77 26.21

 21 19.82 16.57 9.53 10.13 14.64 22.02 21.88 26.04 28.32 27.79 27.04 25.98

 22 19.83 17.53 11.36 10.58 14.93 20.55 22.65 25.88 27.30 27.19 26.57 26.01

 23 20.21 18.06 12.20 11.64 15.52 19.51 23.59 25.73 25.07 27.42 26.92 25.60

 24 20.68 15.39 10.65 13.30 15.41 19.17 23.20 25.86 24.68 28.24 27.92 25.54

 25 20.94 13.29 10.67 15.03 14.83 19.21 21.85 26.11 24.38 28.04 28.65 25.58

 26 19.59 14.82 12.01 14.94 13.03 20.03 21.10 26.18 24.68 26.94 29.12 25.41

 27 18.17 16.49 14.12 12.83 12.23 20.62 21.62 26.32 24.68 26.93 29.13 24.82

 28 17.52 14.80 15.52 10.64 12.59 21.38 21.50 26.35 24.65 27.03 28.38 24.69

 29 17.41 12.90 13.97 10.86 13.80 21.17 21.57 26.56 25.24 27.57 26.87 23.98

 30 18.33 12.29 11.79 11.74 --- 20.11 22.33 26.66 25.81 28.30 26.96 23.34

 31 20.05 --- 10.69 11.81 --- 19.92 --- 27.35 --- 28.82 27.00 ---

 MEAN 21.13 18.34 11.70 12.66 11.90 19.01 20.44 23.64 26.32 27.94 27.55 25.92

 MAX 24.52 22.43 15.52 16.95 15.52 22.02 23.59 27.35 28.32 29.21 30.01 27.53

 MIN 17.41 12.29 8.88 9.97 7.29 14.50 15.79 19.19 24.38 26.07 25.35 23.34
32 Streamflow, Water-Quality, and Biological Data for Three Tributaries to Lake Houston Near Houston, Texas, 2002–04

Table 4. Continuously monitored discharge, specific conductance, pH, water temperature, and dissolved oxygen for 08067900 Lake 

Creek near Conroe (LAKE1), water years 2003–04—Continued. 

 WATER YEAR OCTOBER 2003 TO SEPTEMBER 2004—Continued

 Dissolved oxygen, water, unfiltered, milligrams per liter

 DAY MAX MIN MEAN MAX MIN MEAN MAX MIN MEAN MAX MIN MEAN

 OCTOBER NOVEMBER DECEMBER JANUARY

 1 9.19 8.02 8.43 8.76 8.02 8.48 10.68 10.30 10.53 11.33 10.55 10.98

 2 9.32 8.06 8.50 8.60 8.29 8.44 10.52 10.13 10.29 10.65 9.51 10.32

 3 9.71 8.24 8.73 8.61 8.04 8.31 10.34 10.04 10.14 10.15 9.45 9.88

 4 9.81 8.31 8.82 8.52 7.76 8.21 10.58 10.03 10.28 9.51 9.12 9.34

 5 9.82 8.22 8.78 8.37 7.75 8.02 10.99 10.34 10.64 10.17 9.20 9.72

 6 8.42 7.80 8.06 8.63 7.89 8.20 11.58 10.66 11.14 11.26 10.17 10.84

 7 8.81 7.73 8.09 --- --- --- 11.97 11.12 11.52 11.82 11.20 11.54

 8 8.95 7.68 8.10 --- --- --- 11.67 10.68 11.24 11.84 11.48 11.69

 9 7.98 6.97 7.63 --- --- --- 10.78 10.00 10.47 11.94 11.39 11.59

 10 6.99 6.37 6.60 --- --- --- 11.33 9.91 10.65 12.31 11.48 11.86

 11 7.40 6.72 7.15 --- --- --- 12.12 11.02 11.50 12.67 11.82 12.18

 12 7.36 5.85 6.33 --- --- --- 11.67 11.02 11.36 12.72 11.92 12.22

 13 6.45 5.85 6.09 --- --- --- 11.02 10.10 10.47 12.31 11.31 11.77

 14 6.96 6.42 6.73 --- --- --- 11.54 10.71 11.27 11.98 10.93 11.32

 15 7.52 6.96 7.30 --- --- --- 11.81 11.35 11.60 11.17 10.34 10.72

 16 7.88 7.50 7.70 --- --- --- 11.42 11.27 11.33 10.56 9.99 10.25

 17 7.78 7.65 7.70 --- --- --- 11.99 11.32 11.68 10.04 8.12 8.73

 18 8.15 7.70 7.96 8.18 6.84 7.46 12.29 11.68 11.98 8.20 7.60 7.90

 19 8.47 8.02 8.26 7.06 6.65 6.81 12.51 11.90 12.14 9.32 7.97 8.84

 20 8.86 8.29 8.53 7.56 7.06 7.41 12.66 12.01 12.27 9.96 9.21 9.64

 21 9.02 8.43 8.64 8.28 7.39 7.76 12.44 11.77 12.14 11.13 9.72 10.58

 22 9.14 8.47 8.70 8.55 8.28 8.47 11.94 11.02 11.56 11.14 10.93 11.07

 23 9.24 8.47 8.72 8.53 8.28 8.45 11.73 10.82 11.16 11.07 10.57 10.88

 24 9.39 8.41 8.74 9.45 8.26 9.03 12.33 11.01 11.60 10.57 9.65 10.23

 25 8.69 8.02 8.37 9.97 9.45 9.78 12.47 11.45 11.78 9.91 8.62 9.02

 26 8.83 8.16 8.47 9.80 9.26 9.57 12.06 10.94 11.45 8.63 8.17 8.40

 27 9.26 8.49 8.91 9.38 9.09 9.24 11.51 10.24 10.87 9.30 8.38 8.97

 28 9.22 8.54 8.94 9.93 9.19 9.62 10.67 9.79 10.15 10.34 9.18 9.82

 29 9.55 9.21 9.40 10.54 9.91 10.30 10.96 9.89 10.34 10.88 10.30 10.71

 30 9.40 8.83 9.22 10.89 10.47 10.69 11.04 10.51 10.82 10.71 10.05 10.60

 31 8.89 8.45 8.65 --- --- --- 11.42 10.99 11.26 10.91 10.68 10.83

 MONTH 9.82 5.85 8.14 --- --- --- 12.66 9.79 11.15 12.72 7.60 10.40

 DAY MAX MIN MEAN MAX MIN MEAN MAX MIN MEAN MAX MIN MEAN

 FEBRUARY MARCH APRIL MAY

 1 10.94 10.55 10.86 10.04 9.70 9.86 7.52 6.91 7.38 --- --- ---

 2 10.81 10.03 10.56 9.93 9.49 9.72 7.52 7.16 7.32 --- --- ---

 3 10.90 10.43 10.75 9.51 7.84 8.76 7.33 6.75 7.15 --- --- ---

 4 11.02 10.72 10.96 7.84 7.09 7.48 7.37 6.69 7.14 --- --- ---

 5 11.10 10.45 10.77 8.35 7.33 7.84 7.35 6.64 6.96 --- --- ---

 6 11.40 10.48 10.85 8.89 7.92 8.63 7.29 5.67 6.92 --- --- ---

 7 11.83 11.37 11.69 8.67 8.03 8.45 7.73 6.84 7.33 --- --- ---

 8 12.23 11.78 12.03 8.55 8.16 8.41 7.74 6.89 7.38 --- --- ---

 9 12.06 11.23 11.63 8.64 8.21 8.52 7.61 6.61 7.15 --- --- ---

 10 11.26 10.90 11.03 8.88 8.38 8.77 7.12 6.40 6.78 --- --- ---

 11 10.94 10.08 10.34 9.03 8.72 8.92 7.11 6.44 6.75 --- --- ---

 12 10.90 10.25 10.60 9.16 8.61 9.05 7.46 7.10 7.26 --- --- ---

 13 12.02 10.64 11.67 9.27 8.90 9.14 7.74 7.45 7.65 --- --- ---

 14 12.34 12.00 12.24 9.17 8.60 9.04 7.72 7.44 7.63 --- --- ---

 15 12.64 12.33 12.45 9.05 8.30 8.93 7.53 7.14 7.42 --- --- ---

 16 12.94 12.07 12.59 8.91 8.62 8.79 7.27 6.68 7.12 --- --- ---

 17 12.19 11.36 11.94 8.70 8.11 8.57 6.72 6.44 6.59 --- --- ---

 18 11.42 11.16 11.33 8.11 7.74 7.90 6.85 6.23 6.53 --- --- ---

 19 11.17 10.52 10.86 7.96 7.62 7.82 6.87 6.20 6.49 --- --- ---

 20 10.53 10.14 10.37 8.13 7.64 7.89 6.69 6.04 6.34 --- --- ---

 21 10.26 9.87 10.16 8.18 7.65 7.86 6.65 5.97 6.25 --- --- ---

 22 10.24 9.92 10.11 8.76 7.82 8.25 6.54 5.25 6.07 --- --- ---

 23 9.97 9.85 9.90 8.76 8.26 8.50 --- --- --- --- --- ---

 24 9.97 9.74 9.81 8.41 8.18 8.26 --- --- --- --- --- ---

 25 9.84 9.68 9.76 8.28 7.58 7.86 --- --- --- --- --- ---

 26 10.36 9.82 10.05 8.01 6.95 7.77 --- --- --- --- --- ---

 27 10.64 10.23 10.44 7.94 7.36 7.63 --- --- --- --- --- ---

 28 10.68 10.25 10.48 7.50 7.30 7.45 --- --- --- --- --- ---

 29 10.25 9.88 10.04 7.52 7.30 7.43 --- --- --- 7.34 6.75 6.98

 30 --- --- --- 7.98 7.48 7.82 --- --- --- 7.11 6.69 6.88

 31 --- --- --- 7.93 7.25 7.75 --- --- --- 7.43 6.71 6.97

 MONTH 12.94 9.68 10.91 10.04 6.95 8.36 --- --- --- --- --- ---
Table 4 33

Table 4. Continuously monitored discharge, specific conductance, pH, water temperature, and dissolved oxygen for 08067900 Lake 

Creek near Conroe (LAKE1), water years 2003–04—Continued. 

 WATER YEAR OCTOBER 2003 TO SEPTEMBER 2004—Continued

 Dissolved oxygen, water, unfiltered, milligrams per liter—Continued

 DAY MAX MIN MEAN MAX MIN MEAN MAX MIN MEAN MAX MIN MEAN

 JUNE JULY AUGUST SEPTEMBER

 1 7.62 6.66 7.00 5.89 5.63 5.80 8.90 6.64 7.43 9.26 7.31 8.06

 2 7.77 6.59 7.03 5.99 5.54 5.89 9.32 6.67 7.58 8.70 7.26 7.91

 3 8.12 6.65 7.16 6.08 5.73 5.90 9.38 6.61 7.55 8.78 7.27 7.91

 4 8.27 6.71 7.28 6.63 5.92 6.44 8.54 6.76 7.42 9.19 7.32 8.09

 5 7.93 6.67 7.19 6.82 6.51 6.65 9.14 6.81 7.59 9.28 7.16 7.99

 6 8.65 6.80 7.44 6.97 6.70 6.82 8.62 6.51 7.33 9.11 7.17 7.91

 7 8.05 6.62 7.23 7.32 6.89 7.10 9.36 6.82 7.72 9.53 7.13 8.12

 8 7.46 6.58 7.07 7.22 6.83 7.02 9.69 6.98 7.95 9.70 7.10 8.30

 9 7.39 6.91 7.10 7.39 6.83 7.10 9.10 6.96 7.76 9.99 7.57 8.59

 10 7.18 6.93 7.08 7.65 7.11 7.33 8.86 6.63 7.48 9.89 7.39 8.46

 11 7.16 6.98 7.08 7.73 7.08 7.36 8.73 6.73 7.56 9.20 7.10 8.10

 12 7.00 6.70 6.91 7.44 6.92 7.14 9.11 7.10 7.80 9.11 6.98 7.98

 13 6.94 6.66 6.78 7.48 6.75 7.11 9.45 7.12 8.00 9.00 6.98 7.91

 14 7.32 6.77 7.03 7.53 6.47 7.05 9.34 7.33 8.03 8.19 6.87 7.51

 15 7.31 6.89 7.14 7.49 6.30 6.80 9.29 7.44 8.16 8.79 6.58 7.50

 16 7.56 7.18 7.39 7.61 6.13 6.80 9.33 7.48 8.19 8.69 6.52 7.45

 17 7.70 7.26 7.45 8.06 6.22 6.96 9.31 7.47 8.19 8.63 6.42 7.42

 18 7.58 7.14 7.38 7.77 6.32 6.93 8.90 7.23 7.99 8.55 6.29 7.34

 19 7.57 6.88 7.21 8.42 6.15 7.13 8.08 7.09 7.56 8.39 6.30 7.30

 20 7.45 6.77 7.08 8.73 6.40 7.52 8.36 7.08 7.56 8.49 6.50 7.39

 21 7.57 6.65 7.11 8.96 6.64 7.86 7.91 6.77 7.25 8.41 6.49 7.43

 22 7.45 6.86 7.13 8.25 7.28 7.71 8.18 7.22 7.56 8.20 6.49 7.30

 23 7.68 6.81 7.20 8.61 6.91 7.66 8.28 7.14 7.52 7.93 6.31 7.14

 24 7.49 6.83 7.19 8.74 6.54 7.34 8.32 6.85 7.40 7.74 6.30 7.00

 25 7.53 7.17 7.33 8.01 6.53 7.01 8.41 6.72 7.33 7.54 6.23 6.87

 26 7.77 7.50 7.60 8.52 6.65 7.42 8.19 6.52 7.16 7.31 6.12 6.70

 27 7.53 6.93 7.13 8.89 7.23 7.78 8.32 6.41 7.18 7.41 6.07 6.68

 28 6.93 5.62 6.35 8.42 6.96 7.51 7.92 6.41 7.06 7.15 6.01 6.57

 29 6.04 5.88 5.94 8.86 7.12 7.76 8.43 6.76 7.46 6.95 5.88 6.39

 30 5.93 5.76 5.85 9.07 6.90 7.73 8.72 7.18 7.73 --- --- ---

 31 --- --- --- 9.18 6.78 7.61 8.94 7.34 7.91 --- --- ---

 MONTH 8.65 5.62 7.06 9.18 5.54 7.10 9.69 6.41 7.63 --- --- ---

 DAILY MEAN VALUES

 DAY OCT NOV DEC JAN FEB MAR APR MAY JUN JUL AUG SEP

 1 8.43 8.48 10.53 10.98 10.86 9.86 7.38 --- 7.00 5.80 7.43 8.06

 2 8.50 8.44 10.29 10.32 10.56 9.72 7.32 --- 7.03 5.89 7.58 7.91

 3 8.73 8.31 10.14 9.88 10.75 8.76 7.15 --- 7.16 5.90 7.55 7.91

 4 8.82 8.21 10.28 9.34 10.96 7.48 7.14 --- 7.28 6.44 7.42 8.09

 5 8.78 8.02 10.64 9.72 10.77 7.84 6.96 --- 7.19 6.65 7.59 7.99

 6 8.06 8.20 11.14 10.84 10.85 8.63 6.92 --- 7.44 6.82 7.33 7.91

 7 8.09 --- 11.52 11.54 11.69 8.45 7.33 --- 7.23 7.10 7.72 8.12

 8 8.10 --- 11.24 11.69 12.03 8.41 7.38 --- 7.07 7.02 7.95 8.30

 9 7.63 --- 10.47 11.59 11.63 8.52 7.15 --- 7.10 7.10 7.76 8.59

 10 6.60 --- 10.65 11.86 11.03 8.77 6.78 --- 7.08 7.33 7.48 8.46

 11 7.15 --- 11.50 12.18 10.34 8.92 6.75 --- 7.08 7.36 7.56 8.10

 12 6.33 --- 11.36 12.22 10.60 9.05 7.26 --- 6.91 7.14 7.80 7.98

 13 6.09 --- 10.47 11.77 11.67 9.14 7.65 --- 6.78 7.11 8.00 7.91

 14 6.73 --- 11.27 11.32 12.24 9.04 7.63 --- 7.03 7.05 8.03 7.51

 15 7.30 --- 11.60 10.72 12.45 8.93 7.42 --- 7.14 6.80 8.16 7.50

 16 7.70 --- 11.33 10.25 12.59 8.79 7.12 --- 7.39 6.80 8.19 7.45

 17 7.70 --- 11.68 8.73 11.94 8.57 6.59 --- 7.45 6.96 8.19 7.42

 18 7.96 7.46 11.98 7.90 11.33 7.90 6.53 --- 7.38 6.93 7.99 7.34

 19 8.26 6.81 12.14 8.84 10.86 7.82 6.49 --- 7.21 7.13 7.56 7.30

 20 8.53 7.41 12.27 9.64 10.37 7.89 6.34 --- 7.08 7.52 7.56 7.39

 21 8.64 7.76 12.14 10.58 10.16 7.86 6.25 --- 7.11 7.86 7.25 7.43

 22 8.70 8.47 11.56 11.07 10.11 8.25 6.07 --- 7.13 7.71 7.56 7.30

 23 8.72 8.45 11.16 10.88 9.90 8.50 --- --- 7.20 7.66 7.52 7.14

 24 8.74 9.03 11.60 10.23 9.81 8.26 --- --- 7.19 7.34 7.40 7.00

 25 8.37 9.78 11.78 9.02 9.76 7.86 --- --- 7.33 7.01 7.33 6.87

 26 8.47 9.57 11.45 8.40 10.05 7.77 --- --- 7.60 7.42 7.16 6.70

 27 8.91 9.24 10.87 8.97 10.44 7.63 --- --- 7.13 7.78 7.18 6.68

 28 8.94 9.62 10.15 9.82 10.48 7.45 --- --- 6.35 7.51 7.06 6.57

 29 9.40 10.30 10.34 10.71 10.04 7.43 --- 6.98 5.94 7.76 7.46 6.39

 30 9.22 10.69 10.82 10.60 --- 7.82 --- 6.88 5.85 7.73 7.73 ---

 31 8.65 --- 11.26 10.83 --- 7.75 --- 6.97 --- 7.61 7.91 ---

 MEAN 8.14 --- 11.15 10.40 10.91 8.36 --- --- 7.06 7.10 7.63 ---

 MAX 9.40 --- 12.27 12.22 12.59 9.86 --- --- 7.60 7.86 8.19 ---

 MIN 6.09 --- 10.14 7.90 9.76 7.43 --- --- 5.85 5.80 7.06 ---

 
34 Streamflow, Water-Quality, and Biological Data for Three Tributaries to Lake Houston Near Houston, Texas, 2002–04

Table 5. Routinely sampled water-quality data for selected sites in Lake Creek, Peach Creek, and Caney Creek, Texas, water years 2003–

04. 

 Lake Creek

 08067660 Lake Creek near Richards, TX (LAKE5)

 WATER-QUALITY DATA, WATER YEAR OCTOBER 2002 TO SEPTEMBER 2003

 

 Alka-

 Dis- pH, Specif. linity,

 Instan- Baro- solved water, conduc- wat flt taneous metric Dis- oxygen, unfltrd tance, Temper- Temper- inc tit

 dis- pres- solved percent field, wat unf ature, ature, field,

 Date Station number Date Time charge, sure, oxygen, of sat- std uS/cm air, water, mg/L as

 cfs mm Hg mg/L uration units 25 degC deg C deg C CaCO3

 (00061) (00025) (00300) (00301) (00400) (00095) (00020) (00010) (39086)

 

DEC

 11... 08067660 20021211 1348 34 768 10.1 88 7.3 222 17.9 9.4 21

FEB

 04... 08067660 20030204 1256 2.8 762 8.0 81 7.1 299 14.2 16.1 40

APR

 02... 08067660 20030402 1212 1.6 764 7.8 79 7.0 301 26.0 16.1 48

JUN

 10... 08067660 20030610 1305 .00 755 10.2 134 7.5 464 31.5 29.0 93

AUG

 07... 08067660 20030807 1200 .00 754 1.9 24 7.0 328 33.5 27.7 84

 Bicar- Carbon- Residue Ammonia Nitrite Ortho-

 bonate, ate, on + + Organic phos- BOD,

 wat flt wat flt Chlor- evap. org-N, Ammonia nitrate Nitrite nitro- phate, Phos- water,

 incrm. incrm. ide, Sulfate at water, water, water water, gen, water, phorus, unfltrd

 titr., titr., water, water, 180degC unfltrd unfltrd fltrd, fltrd, water, fltrd, water, 5 day, Date field, field, fltrd, fltrd, wat flt mg/L mg/L mg/L mg/L unfltrd mg/L unfltrd 20 degC

 mg/L mg/L mg/L mg/L mg/L as N as N as N as N mg/L as P mg/L mg/L

 (00453) (00452) (00940) (00945) (70300) (00625) (00610) (00631) (00613) (00605) (00671) (00665) (00310)

 

DEC

 11... 26 .0 24.2 5.9 150 .95 .03 E.013 .003 .91 .093 .17 1.7

FEB

 04... 49 .0 47.8 14.2 189 .66 <.01 <.022 E.002 -- .044 .10 1.3

APR

 02... 59 .0 45.1 12.0 194 .98 .05 .030 .005 .93 .068 .17 2.0

JUN

 10... 113 .0 79.5 2.8 296 2.5 .15 <.022 E.002 2.4 .088 .67 8.2

AUG

 07... 102 .0 42.4 5.7 222 1.6 .56 <.022 E.002n 1.0 .171 .20 4.0

 Pheo- Chloro- 2,6-Di- Ben-

 phytin phyll a E coli, ethyl- flur- Car- Carbo-

 a, phyto- m-TEC aniline Aceto- Ala- alpha- Atra- alin, Butyl- baryl, furan,

 phyto- plank- MF, water CIAT, chlor, chlor, HCH, zine, water, ate, water, water,

 plank- ton, water, fltrd water, water, water, water, water, fltrd water, fltrd fltrd

 Date ton, fluoro, col/ 0.7u GF fltrd, fltrd, fltrd, fltrd, fltrd, 0.7u GF fltrd, 0.7u GF 0.7u GF

 ug/L ug/L 100 mL ug/L ug/L ug/L ug/L ug/L ug/L ug/L ug/L ug/L ug/L

 (62360) (70953) (31633) (82660) (04040) (49260) (46342) (34253) (39632) (82673) (04028) (82680) (82674)

 

DEC

 11... 2.3 1.5 140 <.006 <.006 <.006 <.004 <.005 E.006n <.010 <.002 <.041 <.020

FEB

 04... --r --r 68 -- -- -- -- -- -- -- -- -- --

APR

 02... 3.2 2.6 160 <.006 E.005 <.006 <.004 <.005 .019 <.010 <.002 <.041 <.020

JUN

 10... 53.3 80.8 200 -- -- -- -- -- -- -- -- -- --

AUG

 07... 10.8 12.9 72 .111 E.043 .126 .111 .094 .108 .092 .106 E.137 E.130

 Desulf- Ethal- Desulf-

 inyl Disul- flur- Etho- inyl- Fipro- Fipro-

 Chlor- Cyana- DCPA, fipro- Diazi- Diel- foton, EPTC, alin, prop, fipro- nil nil

 pyrifos zine, water nil, non, drin, water, water, water, water, nil sulfide sulfone

 water, water, fltrd water, water, water, fltrd fltrd fltrd fltrd amide, water, water,

 Date fltrd, fltrd, 0.7u GF fltrd, fltrd, fltrd, 0.7u GF 0.7u GF 0.7u GF 0.7u GF wat flt fltrd, fltrd,

 ug/L ug/L ug/L ug/L ug/L ug/L ug/L ug/L ug/L ug/L ug/L ug/L ug/L

 (38933) (04041) (82682) (62170) (39572) (39381) (82677) (82668) (82663) (82672) (62169) (62167) (62168)

 

DEC

 11... <.005 <.018 <.003 <.004 <.005 <.005 <.02 <.002 <.009 <.005 <.009 <.005 <.005

FEB

 04... -- -- -- -- -- -- -- -- -- -- -- -- --

APR

 02... <.005 <.018 <.003 <.004 <.005 <.005 <.02 <.002 <.009 <.005 <.009 <.005 <.005

JUN

 10... -- -- -- -- -- -- -- -- -- -- -- -- --

AUG

 07... .106 .099 .111 .124 .096 .092 .08 .104 .088 .117 E.190 .131 .115
Table 4 35

Table 5. Routinely sampled water-quality data for selected sites in Lake Creek, Peach Creek, and Caney Creek, Texas, water years 2003–

04—Continued. 

 Lake Creek—Continued

 08067660 Lake Creek near Richards, TX (LAKE5)—Continued

 WATER-QUALITY DATA, WATER YEAR OCTOBER 2002 TO SEPTEMBER 2003—Continued

 

 Azin- Methyl

 phos- para- Moli- Naprop-

 Fipro- Linuron Mala- methyl, thion, Metola- Metri- nate, amide, p,p'- Para-

 nil, Fonofos Lindane water thion, water, water, chlor, buzin, water, water, DDE, thion,

 water, water, water, fltrd water, fltrd fltrd water, water, fltrd fltrd water, water,

 Date fltrd, fltrd, fltrd, 0.7u GF fltrd, 0.7u GF 0.7u GF fltrd, fltrd, 0.7u GF 0.7u GF fltrd, fltrd,

 ug/L ug/L ug/L ug/L ug/L ug/L ug/L ug/L ug/L ug/L ug/L ug/L ug/L

 (62166) (04095) (39341) (82666) (39532) (82686) (82667) (39415) (82630) (82671) (82684) (34653) (39542)

 

DEC

 11... <.007 <.003 <.004 <.035 <.027 <.050 <.006 <.013 <.006 <.002 <.007 <.003 <.010

FEB

 04... -- -- -- -- -- -- -- -- -- -- -- -- --

APR

 02... <.007 <.003 <.004 <.035 <.027 <.050 <.006 E.010n <.006 <.002 <.007 <.003 <.010

JUN

 10... -- -- -- -- -- -- -- -- -- -- -- -- --

AUG

 07... E.227 .097 .087 .070 .160 E.131 .113 .125 .094 .122 .100 .037 .145

 Pendi- cis-

 Peb- meth- Per- Propy- Pro- Propar- Tebu- Terba- Terbu-

 ulate, alin, methrin Phorate Prome- zamide, Propa- panil, gite, Sima- thiuron cil, fos,

 water, water, water water ton, water, chlor, water, water, zine, water water, water,

 fltrd fltrd fltrd fltrd water, fltrd water, fltrd fltrd water, fltrd fltrd fltrd

 Date 0.7u GF 0.7u GF 0.7u GF 0.7u GF fltrd, 0.7u GF fltrd, 0.7u GF 0.7u GF fltrd, 0.7u GF 0.7u GF 0.7u GF

 ug/L ug/L ug/L ug/L ug/L ug/L ug/L ug/L ug/L ug/L ug/L ug/L ug/L

 (82669) (82683) (82687) (82664) (04037) (82676) (04024) (82679) (82685) (04035) (82670) (82665) (82675)

 

DEC

 11... <.004 <.022 <.006 <.011 <.01 <.004 <.010 <.011 <.02 <.005 <.02 <.034 <.02

FEB

 04... -- -- -- -- -- -- -- -- -- -- -- -- --

APR

 02... <.004 <.022 <.006 <.011 <.01 <.004 <.010 <.011 <.02 <.005 <.02 <.034 <.02

JUN

 10... -- -- -- -- -- -- -- -- -- -- -- -- --

AUG

 07... .115 .122 .036 .106 .13 .111 .124 .139 .12 .135 E.20 E.122 .10

 Tri- Sus-

 Thio- Tri- flur- pended

 bencarb allate, alin, sedi- Stream-

 water water, water, ment flow

 fltrd fltrd fltrd concen- sever-

 Date 0.7u GF 0.7u GF 0.7u GF tration ity,

 ug/L ug/L ug/L mg/L code

 (82681) (82678) (82661) (80154) (01351)

 

 DEC

 11... <.005 <.002 <.009 55 5

 FEB

 04... -- -- -- 16 3

 APR

 02... <.005 <.002 <.009 26 3

 JUN

 10... -- -- -- 64 1

 AUG

 07... .119 .110 .101 27 1

 

 Remark codes used in this table:

 < -- Less than

 E -- Estimated value

 Value qualifier codes used in this table:

 n -- Below the LRL and above the LT-MDL

 Null value qualifier codes used in this table:

 r -- Sample ruined in preparation
36 Streamflow, Water-Quality, and Biological Data for Three Tributaries to Lake Houston Near Houston, Texas, 2002–04

Table 5. Routinely sampled water-quality data for selected sites in Lake Creek, Peach Creek, and Caney Creek, Texas, water years 2003–

04—Continued. 

 Lake Creek—Continued

 08067660 Lake Creek near Richards, TX (LAKE5)—Continued

 WATER-QUALITY DATA, WATER YEAR OCTOBER 2003 TO SEPTEMBER 2004

 

 Alka-

 Dis- pH, Specif. linity,

 Instan- Baro- solved water, conduc- wat flt taneous metric Dis- oxygen, unfltrd tance, Temper- Temper- inc tit

 dis- pres- solved percent field, wat unf ature, ature, field,

 Date Station number Date Time charge, sure, oxygen, of sat- std uS/cm air, water, mg/L as

 cfs mm Hg mg/L uration units 25 degC deg C deg C CaCO3

 (00061) (00025) (00300) (00301) (00400) (00095) (00020) (00010) (39086)

 

NOV

 12... 08067660 20031112 1057 .30 766 5.4 59 6.7 255 25.1 20.0 53

JAN

 07... 08067660 20040107 1305 1.6 770 7.3 61 7.1 351 8.0 8.1 43

MAR

 10... 08067660 20040310 1230 5.8 763 8.1 81 6.7 230 21.0 15.6 41

JUN

 02... 08067660 20040602 1215 .10 758 3.1 38 6.8 344 30.5 25.9 52

 Bicar- Carbon- Residue Ammonia Nitrite Ortho-

 bonate, ate, on + + Organic phos- BOD,

 wat flt wat flt Chlor- evap. org-N, Ammonia nitrate Nitrite nitro- phate, Phos- water,

 incrm. incrm. ide, Sulfate at water, water, water water, gen, water, phorus, unfltrd

 titr., titr., water, water, 180degC unfltrd unfltrd fltrd, fltrd, water, fltrd, water, 5 day,

 Date field, field, fltrd, fltrd, wat flt mg/L mg/L mg/L mg/L unfltrd mg/L unfltrd 20 degC

 mg/L mg/L mg/L mg/L mg/L as N as N as N as N mg/L as P mg/L mg/L

 (00453) (00452) (00940) (00945) (70300) (00625) (00610) (00631) (00613) (00605) (00671) (00665) (00310)

 

NOV

 12... 65 .0 34.6 7.1 175 .91 .02 <.016 .002 .89 .220d .35 2.5

JAN

 07... 52 .0 61.1 13.0 227 .81 .04 E.015n .002 .77 .097 .18 1.1

MAR

 10... 50 .0 33.7 11.2 164 .94 .04 .043 .003 .90 .066 .16 1.6

JUN

 02... 63 .0 60.7 10.6 255 .88 .09 .097 .009 .79 .164 .32 2.2

 Pheo- Chloro- 2,6-Di- Ben-

 phytin phyll a E coli, ethyl- flur- Car- Carbo-

 a, phyto- m-TEC aniline Aceto- Ala- alpha- Atra- alin, Butyl- baryl, furan,

 phyto- plank- MF, water CIAT, chlor, chlor, HCH, zine, water, ate, water, water,

 plank- ton, water, fltrd water, water, water, water, water, fltrd water, fltrd fltrd

 Date ton, fluoro, col/ 0.7u GF fltrd, fltrd, fltrd, fltrd, fltrd, 0.7u GF fltrd, 0.7u GF 0.7u GF

 ug/L ug/L 100 mL ug/L ug/L ug/L ug/L ug/L ug/L ug/L ug/L ug/L ug/L

 (62360) (70953) (31633) (82660) (04040) (49260) (46342) (34253) (39632) (82673) (04028) (82680) (82674)

 

NOV

 12... .9 2.0 42 <.006 <.006 <.006 <.005 <.005 E.006n <.010 <.004 <.041 <.020

JAN

 07... 1.0 .7 170 -- -- -- -- -- -- -- -- -- --

MAR

 10... 1.7 1.1 100 <.006 <.006 <.006 <.005 <.005 .015 <.010 <.004 <.041 <.020

JUN

 02... 3.7 6.4 80 -- -- -- -- -- -- -- -- -- --

 Desulf- Ethal- Desulf-

 inyl Disul- flur- Etho- inyl- Fipro- Fipro-

 Chlor- Cyana- DCPA, fipro- Diazi- Diel- foton, EPTC, alin, prop, fipro- nil nil

 pyrifos zine, water nil, non, drin, water, water, water, water, nil sulfide sulfone

 water, water, fltrd water, water, water, fltrd fltrd fltrd fltrd amide, water, water,

 Date fltrd, fltrd, 0.7u GF fltrd, fltrd, fltrd, 0.7u GF 0.7u GF 0.7u GF 0.7u GF wat flt fltrd, fltrd, ug/L ug/L ug/L ug/L ug/L ug/L ug/L ug/L ug/L ug/L ug/L ug/L ug/L

 (38933) (04041) (82682) (62170) (39572) (39381) (82677) (82668) (82663) (82672) (62169) (62167) (62168)

 

NOV

 12... <.005 <.018 <.003 <.012 <.005 <.009 <.02 <.003n <.009 <.005 <.029 <.013 <.024

JAN

 07... -- -- -- -- -- -- -- -- -- -- -- -- --

MAR

 10... <.005 <.018 <.003 <.012 <.005 <.009 <.02 <.004 <.009 <.005 <.029 <.013 <.024

JUN

 02... -- -- -- -- -- -- -- -- -- -- -- -- --
Table 4 37

Table 5. Routinely sampled water-quality data for selected sites in Lake Creek, Peach Creek, and Caney Creek, Texas, water years 2003–

04—Continued. 

 Lake Creek—Continued

 08067660 Lake Creek near Richards, TX (LAKE5)—Continued

 WATER-QUALITY DATA, WATER YEAR OCTOBER 2003 TO SEPTEMBER 2004—Continued

 

 Azin- Methyl

 phos- para- Moli- Naprop-

 Fipro- Linuron Mala- methyl, thion, Metola- Metri- nate, amide, p,p'- Para-

 nil, Fonofos Lindane water thion, water, water, chlor, buzin, water, water, DDE, thion,

 water, water, water, fltrd water, fltrd fltrd water, water, fltrd fltrd water, water,

 Date fltrd, fltrd, fltrd, 0.7u GF fltrd, 0.7u GF 0.7u GF fltrd, fltrd, 0.7u GF 0.7u GF fltrd, fltrd,

 ug/L ug/L ug/L ug/L ug/L ug/L ug/L ug/L ug/L ug/L ug/L ug/L ug/L

 (62166) (04095) (39341) (82666) (39532) (82686) (82667) (39415) (82630) (82671) (82684) (34653) (39542)

 

NOV

 12... <.016 <.003 <.004 <.035 <.027 <.050 <.015 <.013 <.006 <.003 <.007 <.003 <.010

JAN

 07... -- -- -- -- -- -- -- -- -- -- -- -- --

MAR

 10... <.016 <.003 <.004 <.035 <.027 <.050 <.015 <.013 <.006 <.003 <.007 <.003 <.010

JUN

 02... -- -- -- -- -- -- -- -- -- -- -- -- --

 Pendi- cis-

 Peb- meth- Per- Propy- Pro- Propar- Tebu- Terba- Terbu-

 ulate, alin, methrin Phorate Prome- zamide, Propa- panil, gite, Sima- thiuron cil, fos,

 water, water, water water ton, water, chlor, water, water, zine, water water, water,

 fltrd fltrd fltrd fltrd water, fltrd water, fltrd fltrd water, fltrd fltrd fltrd

 Date 0.7u GF 0.7u GF 0.7u GF 0.7u GF fltrd, 0.7u GF fltrd, 0.7u GF 0.7u GF fltrd, 0.7u GF 0.7u GF 0.7u GF

 ug/L ug/L ug/L ug/L ug/L ug/L ug/L ug/L ug/L ug/L ug/L ug/L ug/L

 (82669) (82683) (82687) (82664) (04037) (82676) (04024) (82679) (82685) (04035) (82670) (82665) (82675)

 

NOV

 12... <.004 <.022 <.006 <.011 <.01 <.004 <.025 <.011 <.02 <.005 <.02 <.034 <.02

JAN

 07... -- -- -- -- -- -- -- -- -- -- -- -- --

MAR

 10... <.004 <.022 <.006 <.011 <.01 <.004 <.025 <.011 <.02 <.005 <.02 <.034 <.02

JUN

 02... -- -- -- -- -- -- -- -- -- -- -- -- --

 Tri- Sus-

 Thio- Tri- flur- pended

 bencarb allate, alin, sedi- Stream-

 water water, water, ment flow

 fltrd fltrd fltrd concen- sever-

 Date 0.7u GF 0.7u GF 0.7u GF tration ity,

 ug/L ug/L ug/L mg/L code

 (82681) (82678) (82661) (80154) (01351)

 

 NOV

 12... <.010 <.002 <.009 13 3

 JAN

 07... -- -- -- 15 3

 MAR

 10... <.010 <.002 <.009 35 3

 JUN

 02... -- -- -- 24 3

 

 Remark codes used in this table:

 < -- Less than

 E -- Estimated value

 Value qualifier codes used in this table:

 d -- Diluted sample: method hi range exceeded

 n -- Below the LRL and above the LT-MDL
38 Streamflow, Water-Quality, and Biological Data for Three Tributaries to Lake Houston Near Houston, Texas, 2002–04

Table 5

Table 5. Routinely sampled water-quality data for selected sites in Lake Creek, Peach Creek, and Caney Creek, Texas, water years 2003–

04—Continued. 

 Lake Creek—Continued

 08067690 Lake Creek near Dobbin, TX (LAKE3)

 WATER-QUALITY DATA, WATER YEAR OCTOBER 2002 TO SEPTEMBER 2003

 

 Alka-

 Dis- pH, Specif. linity,

 Instan- Baro- solved water, conduc- wat flt taneous metric Dis- oxygen, unfltrd tance, Temper- Temper- inc tit

 dis- pres- solved percent field, wat unf ature, ature, field,

 Date Station number Date Time charge, sure, oxygen, of sat- std uS/cm air, water, mg/L as

 cfs mm Hg mg/L uration units 25 degC deg C deg C CaCO3

 (00061) (00025) (00300) (00301) (00400) (00095) (00020) (00010) (39086)

 

DEC

 11... 08067690 20021211 1218 812 768 9.2 81 7.1 159 17.3 9.9 34

FEB

 04... 08067690 20030204 1126 17 767 8.2 77 7.5 641 14.0 12.4 107

APR

 02... 08067690 20030402 1028 8.8 764 7.8 80 7.3 612 24.0 16.7 111

JUN

 10... 08067690 20030610 1130 .00 756 7.2 93 8.0 809 30.5 27.3 158

AUG

 07... 08067690 20030807 1038 .00 756 2.4 31 7.9 745 32.5 27.7 91

 Bicar- Carbon- Residue Ammonia Nitrite Ortho-

 bonate, ate, on + + Organic phos- BOD,

 wat flt wat flt Chlor- evap. org-N, Ammonia nitrate Nitrite nitro- phate, Phos- water,

 incrm. incrm. ide, Sulfate at water, water, water water, gen, water, phorus, unfltrd

 titr., titr., water, water, 180degC unfltrd unfltrd fltrd, fltrd, water, fltrd, water, 5 day, Date field, field, fltrd, fltrd, wat flt mg/L mg/L mg/L mg/L unfltrd mg/L unfltrd 20 degC

 mg/L mg/L mg/L mg/L mg/L as N as N as N as N mg/L as P mg/L mg/L

 (00453) (00452) (00940) (00945) (70300) (00625) (00610) (00631) (00613) (00605) (00671) (00665) (00310)

 

DEC

 11... 41 .0 15.2 5.5 117 .97 .05 E.020 .003 .92 .160 .22 2.6

FEB

 04... 130 .0 116 15.8 372 .48 <.01 <.022 <.002 -- .041 .08 1.2

APR

 02... 135 .0 106 12.3 358 .72 .02 .035 .003 .69 .055 .12 1.8

JUN

 10... 191 .0 151 2.8 508 .86 .02 <.022 <.002 .84 .072 .14 3.2

AUG

 07... 110 .0 178 3.8 565 1.1 .04 <.022 <.002 1.1 .102 .14 4.1

 Pheo- Chloro- 2,6-Di- Ben-

 phytin phyll a E coli, ethyl- flur- Car- Carbo-

 a, phyto- m-TEC aniline Aceto- Ala- alpha- Atra- alin, Butyl- baryl, furan,

 phyto- plank- MF, water CIAT, chlor, chlor, HCH, zine, water, ate, water, water,

 plank- ton, water, fltrd water, water, water, water, water, fltrd water, fltrd fltrd

 Date ton, fluoro, col/ 0.7u GF fltrd, fltrd, fltrd, fltrd, fltrd, 0.7u GF fltrd, 0.7u GF 0.7u GF

 ug/L ug/L 100 mL ug/L ug/L ug/L ug/L ug/L ug/L ug/L ug/L ug/L ug/L

 (62360) (70953) (31633) (82660) (04040) (49260) (46342) (34253) (39632) (82673) (04028) (82680) (82674)

 

DEC

 11... 2.8 1.6 200 <.006 <.006 <.006 <.004 <.005 <.007 <.010 <.002 <.041 <.020

FEB

 04... 1.6 2.7 100 -- -- -- -- -- -- -- -- -- --

APR

 02... 2.7 3.9 92 <.006 E.004 <.006 <.004 <.005 .015 <.010 <.002 <.041 <.020

JUN

 10... 2.8 3.3 88 -- -- -- -- -- -- -- -- -- --

AUG

 07... 5.6 8.0 <41k .124 E.058 .135 .120 .114 .118 .099 .112 E.150 E.145

 Desulf- Ethal- Desulf-

 inyl Disul- flur- Etho- inyl- Fipro- Fipro-

 Chlor- Cyana- DCPA, fipro- Diazi- Diel- foton, EPTC, alin, prop, fipro- nil nil

 pyrifos zine, water nil, non, drin, water, water, water, water, nil sulfide sulfone

 water, water, fltrd water, water, water, fltrd fltrd fltrd fltrd amide, water, water,

 Date fltrd, fltrd, 0.7u GF fltrd, fltrd, fltrd, 0.7u GF 0.7u GF 0.7u GF 0.7u GF wat flt fltrd, fltrd,

 ug/L ug/L ug/L ug/L ug/L ug/L ug/L ug/L ug/L ug/L ug/L ug/L ug/L

 (38933) (04041) (82682) (62170) (39572) (39381) (82677) (82668) (82663) (82672) (62169) (62167) (62168)

 

DEC

 11... <.005 <.018 <.003 <.004 <.007 <.005 <.02 <.002 <.009 <.005 <.009 <.005 <.005

FEB

 04... -- -- -- -- -- -- -- -- -- -- -- -- --

APR

 02... <.005 <.018 <.003 <.004 <.005 <.005 <.02 <.002 <.009 <.005 <.009 <.005 <.005

JUN

 10... -- -- -- -- -- -- -- -- -- -- -- -- --

AUG

 07... .115 .110 .121 .125 .114 .107 .08 .110 .094 .121 E.192 .127 .112
Table 5 39

Table 5. Routinely sampled water-quality data for selected sites in Lake Creek, Peach Creek, and Caney Creek, Texas, water years 2003–

04—Continued. 

 Lake Creek—Continued

 08067690 Lake Creek near Dobbin, TX (LAKE3)—Continued

 WATER-QUALITY DATA, WATER YEAR OCTOBER 2002 TO SEPTEMBER 2003—Continued

 

 Azin- Methyl

 phos- para- Moli- Naprop-

 Fipro- Linuron Mala- methyl, thion, Metola- Metri- nate, amide, p,p'- Para-

 nil, Fonofos Lindane water thion, water, water, chlor, buzin, water, water, DDE, thion,

 water, water, water, fltrd water, fltrd fltrd water, water, fltrd fltrd water, water,

 Date fltrd, fltrd, fltrd, 0.7u GF fltrd, 0.7u GF 0.7u GF fltrd, fltrd, 0.7u GF 0.7u GF fltrd, fltrd,

 ug/L ug/L ug/L ug/L ug/L ug/L ug/L ug/L ug/L ug/L ug/L ug/L ug/L

 (62166) (04095) (39341) (82666) (39532) (82686) (82667) (39415) (82630) (82671) (82684) (34653) (39542)

 

DEC

 11... <.007 <.003 <.004 <.035 <.027 <.050 <.006 <.013 <.006 <.002 <.007 <.003 <.010

FEB

 04... -- -- -- -- -- -- -- -- -- -- -- -- --

APR

 02... <.007 <.003 <.004 <.035 <.027 <.050 <.006 E.009n <.006 <.002 <.007 <.003 <.010

JUN

 10... -- -- -- -- -- -- -- -- -- -- -- -- --

AUG

 07... E.220 .109 .099 .118 .158 E.167 .124 .134 .106 .129 .114 .058 .140

 Pendi- cis-

 Peb- meth- Per- Propy- Pro- Propar- Tebu- Terba- Terbu-

 ulate, alin, methrin Phorate Prome- zamide, Propa- panil, gite, Sima- thiuron cil, fos,

 water, water, water water ton, water, chlor, water, water, zine, water water, water,

 fltrd fltrd fltrd fltrd water, fltrd water, fltrd fltrd water, fltrd fltrd fltrd

 Date 0.7u GF 0.7u GF 0.7u GF 0.7u GF fltrd, 0.7u GF fltrd, 0.7u GF 0.7u GF fltrd, 0.7u GF 0.7u GF 0.7u GF

 ug/L ug/L ug/L ug/L ug/L ug/L ug/L ug/L ug/L ug/L ug/L ug/L ug/L

 (82669) (82683) (82687) (82664) (04037) (82676) (04024) (82679) (82685) (04035) (82670) (82665) (82675)

 

DEC

 11... <.004 <.022 <.006 <.011 <.01 <.004 <.010 <.011 <.02 <.005 <.02 <.034 <.02

FEB

 04... -- -- -- -- -- -- -- -- -- -- -- -- --

APR

 02... <.004 <.022 <.006 <.011 <.01 <.004 <.010 <.011 <.02 <.005 <.02 <.034 <.02

JUN

 10... -- -- -- -- -- -- -- -- -- -- -- -- --

AUG

 07... .124 .131 .062 .114 .14 .125 .137 .138 .14 .149 E.18 E.115 .12

 Tri- Sus-

 Thio- Tri- flur- pended

 bencarb allate, alin, sedi- Stream-

 water water, water, ment flow

 fltrd fltrd fltrd concen- sever-

 Date 0.7u GF 0.7u GF 0.7u GF tration ity,

 ug/L ug/L ug/L mg/L code

 (82681) (82678) (82661) (80154) (01351)

 

 DEC

 11... <.005 <.002 <.009 49 5

 FEB

 04... -- -- -- 13 3

 APR

 02... <.005 <.002 <.009 26 3

 JUN

 10... -- -- -- 42 1

 AUG

 07... .128 .120 .102 90 1

 

 Remark codes used in this table:

 < -- Less than

 E -- Estimated value

 Value qualifier codes used in this table:

 k -- Counts outside acceptable range

 n -- Below the LRL and above the LT-MDL
40 Streamflow, Water-Quality, and Biological Data for Three Tributaries to Lake Houston Near Houston, Texas, 2002–04

Table 5. Routinely sampled water-quality data for selected sites in Lake Creek, Peach Creek, and Caney Creek, Texas, water years 2003–

04—Continued. 

 Lake Creek—Continued

 08067690 Lake Creek near Dobbin, TX (LAKE3)—Continued

 WATER-QUALITY DATA, WATER YEAR OCTOBER 2003 TO SEPTEMBER 2004

 

 Alka-

 Dis- pH, Specif. linity,

 Instan- Baro- solved water, conduc- wat flt taneous metric Dis- oxygen, unfltrd tance, Temper- Temper- inc tit

 dis- pres- solved percent field, wat unf ature, ature, field,

 Date Station number Date Time charge, sure, oxygen, of sat- std uS/cm air, water, mg/L as

 cfs mm Hg mg/L uration units 25 degC deg C deg C CaCO3

 (00061) (00025) (00300) (00301) (00400) (00095) (00020) (00010) (39086)

 

NOV

 12... 08067690 20031112 1210 1.4 766 6.8 75 7.1 460 21.5 20.0 107

JAN

 07... 08067690 20040107 1140 11 769 9.3 80 7.4 548 6.0 9.0 93

MAR

 10... 08067690 20040310 1105 38 764 7.3 74 6.4 325 18.0 16.1 69

JUN

 02... 08067690 20040602 1100 2.1 759 2.4 30 7.2 496 29.0 27.1 101

 Bicar- Carbon- Residue Ammonia Nitrite Ortho-

 bonate, ate, on + + Organic phos- BOD,

 wat flt wat flt Chlor- evap. org-N, Ammonia nitrate Nitrite nitro- phate, Phos- water,

 incrm. incrm. ide, Sulfate at water, water, water water, gen, water, phorus, unfltrd

 titr., titr., water, water, 180degC unfltrd unfltrd fltrd, fltrd, water, fltrd, water, 5 day,

 Date field, field, fltrd, fltrd, wat flt mg/L mg/L mg/L mg/L unfltrd mg/L unfltrd 20 degC

 mg/L mg/L mg/L mg/L mg/L as N as N as N as N mg/L as P mg/L mg/L

 (00453) (00452) (00940) (00945) (70300) (00625) (00610) (00631) (00613) (00605) (00671) (00665) (00310)

 

NOV

 12... 130 .0 63.6 6.0 277 .70 .03 E.014n .002 .67 .159 .28 2.2

JAN

 07... 113 .0 98.1 14.1 333 .72 .03 .063 .002 .68 .120 .20 1.9

MAR

 10... 83 .0 48.9 7.7 220 1.1 .08 .056 .004 1.0 .076 .18 1.7

JUN

 02... 123 .0 84.3 6.5 322 1.0 .12 .147 .007 .91 .131 .25 2.2

 Pheo- Chloro- 2,6-Di- Ben-

 phytin phyll a E coli, ethyl- flur- Car- Carbo-

 a, phyto- m-TEC aniline Aceto- Ala- alpha- Atra- alin, Butyl- baryl, furan,

 phyto- plank- MF, water CIAT, chlor, chlor, HCH, zine, water, ate, water, water,

 plank- ton, water, fltrd water, water, water, water, water, fltrd water, fltrd fltrd

 Date ton, fluoro, col/ 0.7u GF fltrd, fltrd, fltrd, fltrd, fltrd, 0.7u GF fltrd, 0.7u GF 0.7u GF

 ug/L ug/L 100 mL ug/L ug/L ug/L ug/L ug/L ug/L ug/L ug/L ug/L ug/L

 (62360) (70953) (31633) (82660) (04040) (49260) (46342) (34253) (39632) (82673) (04028) (82680) (82674)

 

NOV

 12... 1.1 1.2 80 <.006 <.006 <.006 <.005 <.005 E.005n <.010 <.004 <.041 <.020

JAN

 07... 1.1 .6 84 -- -- -- -- -- -- -- -- -- --

MAR

 10... 1.7 1.4 110 <.006 <.006 <.006 <.005 <.005 .018 <.010 <.004 <.041 <.020

JUN

 02... 1.7 2.0 170 -- -- -- -- -- -- -- -- -- --

 Desulf- Ethal- Desulf-

 inyl Disul- flur- Etho- inyl- Fipro- Fipro-

 Chlor- Cyana- DCPA, fipro- Diazi- Diel- foton, EPTC, alin, prop, fipro- nil nil

 pyrifos zine, water nil, non, drin, water, water, water, water, nil sulfide sulfone

 water, water, fltrd water, water, water, fltrd fltrd fltrd fltrd amide, water, water,

 Date fltrd, fltrd, 0.7u GF fltrd, fltrd, fltrd, 0.7u GF 0.7u GF 0.7u GF 0.7u GF wat flt fltrd, fltrd, ug/L ug/L ug/L ug/L ug/L ug/L ug/L ug/L ug/L ug/L ug/L ug/L ug/L

 (38933) (04041) (82682) (62170) (39572) (39381) (82677) (82668) (82663) (82672) (62169) (62167) (62168)

 

NOV

 12... <.005 <.018 <.003 <.012 <.005 <.009 <.02 <.004 <.009 <.005 <.029 <.013 <.024

JAN

 07... -- -- -- -- -- -- -- -- -- -- -- -- --

MAR

 10... <.005 <.018 <.003 <.012 <.005 <.009 <.02 <.004 <.009 <.005 <.029 <.013 <.024

JUN

 02... -- -- -- -- -- -- -- -- -- -- -- -- --
Table 5 41

Table 5. Routinely sampled water-quality data for selected sites in Lake Creek, Peach Creek, and Caney Creek, Texas, water years 2003–

04—Continued. 

 Lake Creek—Continued

 08067690 Lake Creek near Dobbin, TX (LAKE3)—Continued

 WATER-QUALITY DATA, WATER YEAR OCTOBER 2003 TO SEPTEMBER 2004—Continued

 

 Azin- Methyl

 phos- para- Moli- Naprop-

 Fipro- Linuron Mala- methyl, thion, Metola- Metri- nate, amide, p,p'- Para-

 nil, Fonofos Lindane water thion, water, water, chlor, buzin, water, water, DDE, thion,

 water, water, water, fltrd water, fltrd fltrd water, water, fltrd fltrd water, water,

 Date fltrd, fltrd, fltrd, 0.7u GF fltrd, 0.7u GF 0.7u GF fltrd, fltrd, 0.7u GF 0.7u GF fltrd, fltrd,

 ug/L ug/L ug/L ug/L ug/L ug/L ug/L ug/L ug/L ug/L ug/L ug/L ug/L

 (62166) (04095) (39341) (82666) (39532) (82686) (82667) (39415) (82630) (82671) (82684) (34653) (39542)

 

NOV

 12... <.016 <.003 <.004 <.035 <.027 <.050 <.015 <.013 <.006 <.003 <.007 <.003 <.010

JAN

 07... -- -- -- -- -- -- -- -- -- -- -- -- --

MAR

 10... <.016 <.003 <.004 <.035 <.027 <.050 <.015 <.013 <.006 <.003 <.007 <.003 <.010

JUN

 02... -- -- -- -- -- -- -- -- -- -- -- -- --

 Pendi- cis-

 Peb- meth- Per- Propy- Pro- Propar- Tebu- Terba- Terbu-

 ulate, alin, methrin Phorate Prome- zamide, Propa- panil, gite, Sima- thiuron cil, fos,

 water, water, water water ton, water, chlor, water, water, zine, water water, water,

 fltrd fltrd fltrd fltrd water, fltrd water, fltrd fltrd water, fltrd fltrd fltrd

 Date 0.7u GF 0.7u GF 0.7u GF 0.7u GF fltrd, 0.7u GF fltrd, 0.7u GF 0.7u GF fltrd, 0.7u GF 0.7u GF 0.7u GF

 ug/L ug/L ug/L ug/L ug/L ug/L ug/L ug/L ug/L ug/L ug/L ug/L ug/L

 (82669) (82683) (82687) (82664) (04037) (82676) (04024) (82679) (82685) (04035) (82670) (82665) (82675)

 

NOV

 12... <.004 <.022 <.006 <.011 <.01 <.004 <.025 <.011 <.02 <.005 <.02 <.034 <.02

JAN

 07... -- -- -- -- -- -- -- -- -- -- -- -- --

MAR

 10... <.004 <.022 <.006 <.011 <.01 <.004 <.025 <.011 <.02 <.005 <.02 <.034 <.02

JUN

 02... -- -- -- -- -- -- -- -- -- -- -- -- --

 Tri- Sus-

 Thio- Tri- flur- pended

 bencarb allate, alin, sedi- Stream-

 water water, water, ment flow

 fltrd fltrd fltrd concen- sever-

 Date 0.7u GF 0.7u GF 0.7u GF tration ity,

 ug/L ug/L ug/L mg/L code

 (82681) (82678) (82661) (80154) (01351)

 

 NOV

 12... <.010 <.002 <.009 10 3

 JAN

 07... -- -- -- 10 3

 MAR

 10... <.010 <.002 <.009 30 3

 JUN

 02... -- -- -- 40 3

 

 Remark codes used in this table:

 < -- Less than

 E -- Estimated value

 Value qualifier codes used in this table:

 n -- Below the LRL and above the LT-MDL
42 Streamflow, Water-Quality, and Biological Data for Three Tributaries to Lake Houston Near Houston, Texas, 2002–04

Table 5. Routinely sampled water-quality data for selected sites in Lake Creek, Peach Creek, and Caney Creek, Texas, water years 2003–

04—Continued. 

 Lake Creek—Continued

 08067700 Caney Ck nr Dobbin, TX (LAKE4)

 WATER-QUALITY DATA, WATER YEAR OCTOBER 2002 TO SEPTEMBER 2003

 

 Alka-

 Dis- pH, Specif. linity,

 Instan- Baro- solved water, conduc- wat flt taneous metric Dis- oxygen, unfltrd tance, Temper- Temper- inc tit

 dis- pres- solved percent field, wat unf ature, ature, field,

 Date Station number Date Time charge, sure, oxygen, of sat- std uS/cm air, water, mg/L as

 cfs mm Hg mg/L uration units 25 degC deg C deg C CaCO3

 (00061) (00025) (00300) (00301) (00400) (00095) (00020) (00010) (39086)

 

DEC

 11... 08067700 20021211 1255 87 768 9.8 84 7.5 294 21.2 9.0 76

FEB

 04... 08067700 20030204 1203 2.8 762 8.1 78 7.8 754 14.0 13.5 211

APR

 02... 08067700 20030402 1111 1.1 764 8.8 90 7.7 877 24.5 16.4 217

JUN

 10... 08067700 20030610 1212 .00 755 9.8 125 8.0 969 30.5 26.8 235

AUG

 07... 08067700 20030807 1106 .00 755 6.3 81 7.9 825 32.0 27.5 144

 Bicar- Carbon- Residue Ammonia Nitrite Ortho-

 bonate, ate, on + + Organic phos- BOD,

 wat flt wat flt Chlor- evap. org-N, Ammonia nitrate Nitrite nitro- phate, Phos- water,

 incrm. incrm. ide, Sulfate at water, water, water water, gen, water, phorus, unfltrd

 titr., titr., water, water, 180degC unfltrd unfltrd fltrd, fltrd, water, fltrd, water, 5 day, Date field, field, fltrd, fltrd, wat flt mg/L mg/L mg/L mg/L unfltrd mg/L unfltrd 20 degC

 mg/L mg/L mg/L mg/L mg/L as N as N as N as N mg/L as P mg/L mg/L

 (00453) (00452) (00940) (00945) (70300) (00625) (00610) (00631) (00613) (00605) (00671) (00665) (00310)

 

DEC

 11... 92 .0 29.6 6.5 186 .74 .03 E.013 .003 .71 .043 .09 2.2

FEB

 04... 256 1 99.3 13.0 445 .41 <.01 <.022 <.002 -- .012 .06 1.2

APR

 02... 263 .0 121 13.4 497 .44 .02 <.022 <.002 .42 .013 .04 1.9

JUN

 10... 283 2 167 3.4 585 2.5 .04 E.019 .007 2.4 .007 .35 5.9

AUG

 07... 174 .0 158 7.1 503 .68 <.01 <.022 <.002 -- <.007 <.04 7.3

 Pheo- Chloro- 2,6-Di- Ben-

 phytin phyll a E coli, ethyl- flur- Car- Carbo-

 a, phyto- m-TEC aniline Aceto- Ala- alpha- Atra- alin, Butyl- baryl, furan,

 phyto- plank- MF, water CIAT, chlor, chlor, HCH, zine, water, ate, water, water,

 plank- ton, water, fltrd water, water, water, water, water, fltrd water, fltrd fltrd

 Date ton, fluoro, col/ 0.7u GF fltrd, fltrd, fltrd, fltrd, fltrd, 0.7u GF fltrd, 0.7u GF 0.7u GF

 ug/L ug/L 100 mL ug/L ug/L ug/L ug/L ug/L ug/L ug/L ug/L ug/L ug/L

 (62360) (70953) (31633) (82660) (04040) (49260) (46342) (34253) (39632) (82673) (04028) (82680) (82674)

 

DEC

 11... 2.4 3.2 150 <.006 <.006 <.006 <.004 <.005 E.006n <.010 <.002 <.041 <.020

FEB

 04... E1.2 E2.0 150 -- -- -- -- -- -- -- -- -- --

APR

 02... -- -- 84 <.006 E.004 <.006 <.004 <.005 .018 <.010 <.002 <.041 <.020

JUN

 10... 17.1 48.5 230 -- -- -- -- -- -- -- -- -- --

AUG

 07... 29.3d 70.1d <45k .116 E.049 .124 .106 .102 .111 .092 .103 E.132 E.132

 Desulf- Ethal- Desulf-

 inyl Disul- flur- Etho- inyl- Fipro- Fipro-

 Chlor- Cyana- DCPA, fipro- Diazi- Diel- foton, EPTC, alin, prop, fipro- nil nil

 pyrifos zine, water nil, non, drin, water, water, water, water, nil sulfide sulfone

 water, water, fltrd water, water, water, fltrd fltrd fltrd fltrd amide, water, water,

 Date fltrd, fltrd, 0.7u GF fltrd, fltrd, fltrd, 0.7u GF 0.7u GF 0.7u GF 0.7u GF wat flt fltrd, fltrd,

 ug/L ug/L ug/L ug/L ug/L ug/L ug/L ug/L ug/L ug/L ug/L ug/L ug/L

 (38933) (04041) (82682) (62170) (39572) (39381) (82677) (82668) (82663) (82672) (62169) (62167) (62168)

 

DEC

 11... <.005 <.018 <.003 <.004 <.006 <.005 <.02 <.002 <.009 <.005 <.009 <.005 <.005

FEB

 04... -- -- -- -- -- -- -- -- -- -- -- -- --

APR

 02... <.005 <.018 <.003 <.004 <.005 <.005 <.02 <.002 <.009 <.005 <.009 <.005 <.005

JUN

 10... -- -- -- -- -- -- -- -- -- -- -- -- --

AUG

 07... .106 .095 .110 .112 .110 .104 .07 .107 .089 .114 E.172 .105 .094
Table 5 43

Table 5. Routinely sampled water-quality data for selected sites in Lake Creek, Peach Creek, and Caney Creek, Texas, water years 2003–

04—Continued. 

 Lake Creek—Continued

 08067700 Caney Ck nr Dobbin, TX (LAKE4)—Continued

 WATER-QUALITY DATA, WATER YEAR OCTOBER 2002 TO SEPTEMBER 2003—Continued

 

 Azin- Methyl

 phos- para- Moli- Naprop-

 Fipro- Linuron Mala- methyl, thion, Metola- Metri- nate, amide, p,p'- Para-

 nil, Fonofos Lindane water thion, water, water, chlor, buzin, water, water, DDE, thion,

 water, water, water, fltrd water, fltrd fltrd water, water, fltrd fltrd water, water,

 Date fltrd, fltrd, fltrd, 0.7u GF fltrd, 0.7u GF 0.7u GF fltrd, fltrd, 0.7u GF 0.7u GF fltrd, fltrd,

 ug/L ug/L ug/L ug/L ug/L ug/L ug/L ug/L ug/L ug/L ug/L ug/L ug/L

 (62166) (04095) (39341) (82666) (39532) (82686) (82667) (39415) (82630) (82671) (82684) (34653) (39542)

 

DEC

 11... <.007 <.003 <.004 <.035 <.027 <.050 <.006 <.013 <.006 <.002 <.007 <.003 <.010

FEB

 04... -- -- -- -- -- -- -- -- -- -- -- -- --

APR

 02... <.007 <.003 <.004 <.035 <.027 <.050 <.006 E.008n <.006 <.002 <.007 <.003 <.010

JUN

 10... -- -- -- -- -- -- -- -- -- -- -- -- --

AUG

 07... E.188 .102 .097 .098 .156 E.152 .112 .117 .090 .115 .110 .057 .127

 Pendi- cis-

 Peb- meth- Per- Propy- Pro- Propar- Tebu- Terba- Terbu-

 ulate, alin, methrin Phorate Prome- zamide, Propa- panil, gite, Sima- thiuron cil, fos,

 water, water, water water ton, water, chlor, water, water, zine, water water, water,

 fltrd fltrd fltrd fltrd water, fltrd water, fltrd fltrd water, fltrd fltrd fltrd

 Date 0.7u GF 0.7u GF 0.7u GF 0.7u GF fltrd, 0.7u GF fltrd, 0.7u GF 0.7u GF fltrd, 0.7u GF 0.7u GF 0.7u GF

 ug/L ug/L ug/L ug/L ug/L ug/L ug/L ug/L ug/L ug/L ug/L ug/L ug/L

 (82669) (82683) (82687) (82664) (04037) (82676) (04024) (82679) (82685) (04035) (82670) (82665) (82675)

 

DEC

 11... <.004 <.022 <.006 <.011 <.01 <.004 <.010 <.011 <.02 <.005 <.02 <.034 <.02

FEB

 04... -- -- -- -- -- -- -- -- -- -- -- -- --

APR

 02... <.004 <.022 <.006 <.011 <.01 <.004 <.010 <.011 <.02 .356 <.02 <.034 <.02

JUN

 10... -- -- -- -- -- -- -- -- -- -- -- -- --

AUG

 07... .113 .127 .059 .104 .13 .110 .123 .117 .13 .159 E.17 E.102 .11

 Tri- Sus-

 Thio- Tri- flur- pended

 bencarb allate, alin, sedi- Stream-

 water water, water, ment flow

 fltrd fltrd fltrd concen- sever-

 Date 0.7u GF 0.7u GF 0.7u GF tration ity,

 ug/L ug/L ug/L mg/L code

 (82681) (82678) (82661) (80154) (01351)

 

 DEC

 11... <.005 <.002 <.009 44 5

 FEB

 04... -- -- -- 32 3

 APR

 02... <.005 <.002 <.009 30 3

 JUN

 10... -- -- -- 469 1

 AUG

 07... .115 .114 .096 199 1

 

 Remark codes used in this table:

 < -- Less than

 E -- Estimated value

 Value qualifier codes used in this table:

 d -- Diluted sample: method hi range exceeded

 k -- Counts outside acceptable range

 n -- Below the LRL and above the LT-MDL
44 Streamflow, Water-Quality, and Biological Data for Three Tributaries to Lake Houston Near Houston, Texas, 2002–04

Table 5. Routinely sampled water-quality data for selected sites in Lake Creek, Peach Creek, and Caney Creek, Texas, water years 2003–

04—Continued. 

 Lake Creek—Continued

 08067700 Caney Ck nr Dobbin, TX (LAKE4)—Continued

 WATER-QUALITY DATA, WATER YEAR OCTOBER 2003 TO SEPTEMBER 2004

 

 Alka-

 Dis- pH, Specif. linity,

 Instan- Baro- solved water, conduc- wat flt taneous metric Dis- oxygen, unfltrd tance, Temper- Temper- inc tit

 dis- pres- solved percent field, wat unf ature, ature, field,

 Date Station number Date Time charge, sure, oxygen, of sat- std uS/cm air, water, mg/L as

 cfs mm Hg mg/L uration units 25 degC deg C deg C CaCO3

 (00061) (00025) (00300) (00301) (00400) (00095) (00020) (00010) (39086)

 

NOV

 12... 08067700 20031112 1151 1.0 766 6.8 76 7.4 711 25.4 21.0 184

JAN

 07... 08067700 20040107 1215 2.6 767 9.5 82 7.6 643 6.5 8.9 170

MAR

 10... 08067700 20040310 1140 5.2 762 7.8 80 7.3 581 17.0 16.2 166

JUN

 02... 08067700 20040602 1128 .79 758 4.0 50 7.5 588 30.5 26.2 173

 Bicar- Carbon- Residue Ammonia Nitrite Ortho-

 bonate, ate, on + + Organic phos- BOD,

 wat flt wat flt Chlor- evap. org-N, Ammonia nitrate Nitrite nitro- phate, Phos- water,

 incrm. incrm. ide, Sulfate at water, water, water water, gen, water, phorus, unfltrd

 titr., titr., water, water, 180degC unfltrd unfltrd fltrd, fltrd, water, fltrd, water, 5 day,

 Date field, field, fltrd, fltrd, wat flt mg/L mg/L mg/L mg/L unfltrd mg/L unfltrd 20 degC

 mg/L mg/L mg/L mg/L mg/L as N as N as N as N mg/L as P mg/L mg/L

 (00453) (00452) (00940) (00945) (70300) (00625) (00610) (00631) (00613) (00605) (00671) (00665) (00310)

 

NOV

 12... 224 .0 97.9 9.1 415 .53 .01 <.016 E.001n .51 .070 .15 1.8

JAN

 07... 207 .0 89.0 10.9 393 .67 .07 .039 .003 .60 .046 .12 .8

MAR

 10... 201 .0 70.8 9.9 350 .77 .06 .044 .004 .71 .013 .07 1.5

JUN

 02... 210 .0 72.2 6.3 367 .83 .07 .076 .005 .76 .031 .11 2.1

 Pheo- Chloro- 2,6-Di- Ben-

 phytin phyll a E coli, ethyl- flur- Car- Carbo-

 a, phyto- m-TEC aniline Aceto- Ala- alpha- Atra- alin, Butyl- baryl, furan,

 phyto- plank- MF, water CIAT, chlor, chlor, HCH, zine, water, ate, water, water,

 plank- ton, water, fltrd water, water, water, water, water, fltrd water, fltrd fltrd

 Date ton, fluoro, col/ 0.7u GF fltrd, fltrd, fltrd, fltrd, fltrd, 0.7u GF fltrd, 0.7u GF 0.7u GF

 ug/L ug/L 100 mL ug/L ug/L ug/L ug/L ug/L ug/L ug/L ug/L ug/L ug/L

 (62360) (70953) (31633) (82660) (04040) (49260) (46342) (34253) (39632) (82673) (04028) (82680) (82674)

 

NOV

 12... .5 .8 96 <.006 <.006 <.006 <.005 <.005 <.007 <.010 <.004 <.041 <.020

JAN

 07... 1.1 .7 130 -- -- -- -- -- -- -- -- -- --

MAR

 10... 1.7 2.1 110 <.006 <.006 <.006 <.005 <.005 .010 <.010 <.004 <.041 <.020

JUN

 02... 3.8 7.1 170 -- -- -- -- -- -- -- -- -- --

 Desulf- Ethal- Desulf-

 inyl Disul- flur- Etho- inyl- Fipro- Fipro-

 Chlor- Cyana- DCPA, fipro- Diazi- Diel- foton, EPTC, alin, prop, fipro- nil nil

 pyrifos zine, water nil, non, drin, water, water, water, water, nil sulfide sulfone

 water, water, fltrd water, water, water, fltrd fltrd fltrd fltrd amide, water, water,

 Date fltrd, fltrd, 0.7u GF fltrd, fltrd, fltrd, 0.7u GF 0.7u GF 0.7u GF 0.7u GF wat flt fltrd, fltrd, ug/L ug/L ug/L ug/L ug/L ug/L ug/L ug/L ug/L ug/L ug/L ug/L ug/L

 (38933) (04041) (82682) (62170) (39572) (39381) (82677) (82668) (82663) (82672) (62169) (62167) (62168)

 

NOV

 12... <.005 <.018 <.003 <.012 <.005 <.009 <.02 <.004 <.009 <.005 <.029 <.013 <.024

JAN

 07... -- -- -- -- -- -- -- -- -- -- -- -- --

MAR

 10... <.005 <.018 <.003 <.012 <.005 <.009 <.02 <.004 <.009 <.005 <.029 <.013 <.024

JUN

 02... -- -- -- -- -- -- -- -- -- -- -- -- --
Table 5 45

Table 5. Routinely sampled water-quality data for selected sites in Lake Creek, Peach Creek, and Caney Creek, Texas, water years 2003–

04—Continued. 

 Lake Creek—Continued

 08067700 Caney Ck nr Dobbin, TX (LAKE4)—Continued

 WATER-QUALITY DATA, WATER YEAR OCTOBER 2003 TO SEPTEMBER 2004—Continued

 

 Azin- Methyl

 phos- para- Moli- Naprop-

 Fipro- Linuron Mala- methyl, thion, Metola- Metri- nate, amide, p,p'- Para-

 nil, Fonofos Lindane water thion, water, water, chlor, buzin, water, water, DDE, thion,

 water, water, water, fltrd water, fltrd fltrd water, water, fltrd fltrd water, water,

 Date fltrd, fltrd, fltrd, 0.7u GF fltrd, 0.7u GF 0.7u GF fltrd, fltrd, 0.7u GF 0.7u GF fltrd, fltrd,

 ug/L ug/L ug/L ug/L ug/L ug/L ug/L ug/L ug/L ug/L ug/L ug/L ug/L

 (62166) (04095) (39341) (82666) (39532) (82686) (82667) (39415) (82630) (82671) (82684) (34653) (39542)

 

NOV

 12... <.016 <.003 <.004 <.035 <.027 <.050 <.015 <.013 <.006 <.003 <.007 <.003 <.010

JAN

 07... -- -- -- -- -- -- -- -- -- -- -- -- --

MAR

 10... <.016 <.003 <.004 <.035 <.027 <.050 <.015 <.013 <.006 <.003 <.007 <.003 <.010

JUN

 02... -- -- -- -- -- -- -- -- -- -- -- -- --

 Pendi- cis-

 Peb- meth- Per- Propy- Pro- Propar- Tebu- Terba- Terbu-

 ulate, alin, methrin Phorate Prome- zamide, Propa- panil, gite, Sima- thiuron cil, fos,

 water, water, water water ton, water, chlor, water, water, zine, water water, water,

 fltrd fltrd fltrd fltrd water, fltrd water, fltrd fltrd water, fltrd fltrd fltrd

 Date 0.7u GF 0.7u GF 0.7u GF 0.7u GF fltrd, 0.7u GF fltrd, 0.7u GF 0.7u GF fltrd, 0.7u GF 0.7u GF 0.7u GF

 ug/L ug/L ug/L ug/L ug/L ug/L ug/L ug/L ug/L ug/L ug/L ug/L ug/L

 (82669) (82683) (82687) (82664) (04037) (82676) (04024) (82679) (82685) (04035) (82670) (82665) (82675)

 

NOV

 12... <.004 <.022 <.006 <.011 <.01 <.004 <.025 <.011 <.02 .013 <.02 <.034 <.02

JAN

 07... -- -- -- -- -- -- -- -- -- -- -- -- --

MAR

 10... <.004 <.022 <.006 <.011 <.01 <.004 <.025 <.011 <.02 <.005 <.02 <.034 <.02

JUN

 02... -- -- -- -- -- -- -- -- -- -- -- -- --

 Tri- Sus-

 Thio- Tri- flur- pended

 bencarb allate, alin, sedi- Stream-

 water water, water, ment flow

 fltrd fltrd fltrd concen- sever-

 Date 0.7u GF 0.7u GF 0.7u GF tration ity,

 ug/L ug/L ug/L mg/L code

 (82681) (82678) (82661) (80154) (01351)

 

 NOV

 12... <.010 <.002 <.009 8 3

 JAN

 07... -- -- -- 10 3

 MAR

 10... <.010 <.002 <.009 26 3

 JUN

 02... -- -- -- 36 3

 

 Remark codes used in this table:

 < -- Less than

 E -- Estimated value

 Value qualifier codes used in this table:

 n -- Below the LRL and above the LT-MDL
46 Streamflow, Water-Quality, and Biological Data for Three Tributaries to Lake Houston Near Houston, Texas, 2002–04

Table 5. Routinely sampled water-quality data for selected sites in Lake Creek, Peach Creek, and Caney Creek, Texas, water years 2003–

04—Continued. 

 Lake Creek—Continued

 08067800 Lake Creek near Karen, TX (LAKE2)

 WATER-QUALITY DATA, WATER YEAR OCTOBER 2002 TO SEPTEMBER 2003

 

 Alka-

 Dis- pH, Specif. linity,

 Instan- Baro- solved water, conduc- wat flt taneous metric Dis- oxygen, unfltrd tance, Temper- Temper- inc tit

 dis- pres- solved percent field, wat unf ature, ature, field,

 Date Station number Date Time charge, sure, oxygen, of sat- std uS/cm air, water, mg/L as

 cfs mm Hg mg/L uration units 25 degC deg C deg C CaCO3

 (00061) (00025) (00300) (00301) (00400) (00095) (00020) (00010) (39086)

 

DEC

 11... 08067800 20021211 1123 988 768 10.2 86 6.8 107 19.3 8.5 50

FEB

 04... 08067800 20030204 1028 36 767 9.0 86 7.8 541 12.0 13.1 116

APR

 02... 08067800 20030402 0944 27 764 9.3 96 7.6 529 21.5 16.8 113

JUN

 10... 08067800 20030610 1040 1.0 756 7.3 93 7.1 279 30.0 26.8 53

AUG

 07... 08067800 20030807 0955 .00 757 4.3 56 7.4 372 30.5 28.7 74

 Bicar- Carbon- Residue Ammonia Nitrite Ortho-

 bonate, ate, on + + Organic phos- BOD,

 wat flt wat flt Chlor- evap. org-N, Ammonia nitrate Nitrite nitro- phate, Phos- water,

 incrm. incrm. ide, Sulfate at water, water, water water, gen, water, phorus, unfltrd

 titr., titr., water, water, 180degC unfltrd unfltrd fltrd, fltrd, water, fltrd, water, 5 day, Date field, field, fltrd, fltrd, wat flt mg/L mg/L mg/L mg/L unfltrd mg/L unfltrd 20 degC

 mg/L mg/L mg/L mg/L mg/L as N as N as N as N mg/L as P mg/L mg/L

 (00453) (00452) (00940) (00945) (70300) (00625) (00610) (00631) (00613) (00605) (00671) (00665) (00310)

 

DEC

 11... 60 .0 8.26 5.1 94 .88 .04 .040 .003 .84 .087 .14 2.2

FEB

 04... 142 .0 81.9 12.1 312 .42 <.01 E.011 <.002 -- .020 .04 1.2

APR

 02... 137 .0 80.9 10.4 315 .58 .02 <.022 E.002 .56 .021 .07 1.4

JUN

 10... 65 .0 42.0 7.3 186 1.0 .05 .073 .009 .96 .039 .16 1.7

AUG

 07... 90 .0 62.6 3.4 211 .40 <.01 <.022 <.002 -- .022 E.03n 1.5

 Pheo- Chloro- 2,6-Di- Ben-

 phytin phyll a E coli, ethyl- flur- Car- Carbo-

 a, phyto- m-TEC aniline Aceto- Ala- alpha- Atra- alin, Butyl- baryl, furan,

 phyto- plank- MF, water CIAT, chlor, chlor, HCH, zine, water, ate, water, water,

 plank- ton, water, fltrd water, water, water, water, water, fltrd water, fltrd fltrd

 Date ton, fluoro, col/ 0.7u GF fltrd, fltrd, fltrd, fltrd, fltrd, 0.7u GF fltrd, 0.7u GF 0.7u GF

 ug/L ug/L 100 mL ug/L ug/L ug/L ug/L ug/L ug/L ug/L ug/L ug/L ug/L

 (62360) (70953) (31633) (82660) (04040) (49260) (46342) (34253) (39632) (82673) (04028) (82680) (82674)

 

DEC

 11... 2.4 1.9 240 <.006 <.006 <.006 <.004 <.005 <.007 <.010 <.002 <.041 <.020

FEB

 04... 1.8 2.5 88 -- -- -- -- -- -- -- -- -- --

APR

 02... 2.3 4.3 120 <.006 E.004 <.006 <.004 <.005 .016 <.010 <.002 <.041 <.020

JUN

 10... 8.4 28.6 52 -- -- -- -- -- -- -- -- -- --

AUG

 07... 2.1 2.4 <58k .123 E.050 .130 .118 .112 .112 .095 .104 E.142 E.134

 Desulf- Ethal- Desulf-

 inyl Disul- flur- Etho- inyl- Fipro- Fipro-

 Chlor- Cyana- DCPA, fipro- Diazi- Diel- foton, EPTC, alin, prop, fipro- nil nil

 pyrifos zine, water nil, non, drin, water, water, water, water, nil sulfide sulfone

 water, water, fltrd water, water, water, fltrd fltrd fltrd fltrd amide, water, water,

 Date fltrd, fltrd, 0.7u GF fltrd, fltrd, fltrd, 0.7u GF 0.7u GF 0.7u GF 0.7u GF wat flt fltrd, fltrd,

 ug/L ug/L ug/L ug/L ug/L ug/L ug/L ug/L ug/L ug/L ug/L ug/L ug/L

 (38933) (04041) (82682) (62170) (39572) (39381) (82677) (82668) (82663) (82672) (62169) (62167) (62168)

 

DEC

 11... <.005 <.018 <.003 <.004 <.005 <.005 <.02 <.002 <.009 <.005 <.009 <.005 <.005

FEB

 04... -- -- -- -- -- -- -- -- -- -- -- -- --

APR

 02... <.005 <.018 <.003 <.004 <.005 <.005 <.02 <.002 <.009 <.005 <.009 <.005 <.005

JUN

 10... -- -- -- -- -- -- -- -- -- -- -- -- --

AUG

 07... .113 .106 .118 .127 .112 .121 .07 .133 .090 .119 E.191 .126 .106
Table 5 47

Table 5. Routinely sampled water-quality data for selected sites in Lake Creek, Peach Creek, and Caney Creek, Texas, water years 2003–

04—Continued. 

 Lake Creek—Continued

 08067800 Lake Creek near Karen, TX (LAKE2)—Continued

 WATER-QUALITY DATA, WATER YEAR OCTOBER 2002 TO SEPTEMBER 2003—Continued

 

 Azin- Methyl

 phos- para- Moli- Naprop-

 Fipro- Linuron Mala- methyl, thion, Metola- Metri- nate, amide, p,p'- Para-

 nil, Fonofos Lindane water thion, water, water, chlor, buzin, water, water, DDE, thion,

 water, water, water, fltrd water, fltrd fltrd water, water, fltrd fltrd water, water,

 Date fltrd, fltrd, fltrd, 0.7u GF fltrd, 0.7u GF 0.7u GF fltrd, fltrd, 0.7u GF 0.7u GF fltrd, fltrd,

 ug/L ug/L ug/L ug/L ug/L ug/L ug/L ug/L ug/L ug/L ug/L ug/L ug/L

 (62166) (04095) (39341) (82666) (39532) (82686) (82667) (39415) (82630) (82671) (82684) (34653) (39542)

 

DEC

 11... <.007 <.003 <.004 <.035 <.027 <.050 <.006 <.013 <.006 <.002 <.007 <.003 <.010

FEB

 04... -- -- -- -- -- -- -- -- -- -- -- -- --

APR

 02... <.007 <.003 <.004 <.035 <.027 <.050 <.006 E.009n <.006 <.002 <.007 <.003 <.010

JUN

 10... -- -- -- -- -- -- -- -- -- -- -- -- --

AUG

 07... E.205 .104 .101 .107 .156 E.151 .111 .130 .101 .121 .115 .066 .128

 Pendi- cis-

 Peb- meth- Per- Propy- Pro- Propar- Tebu- Terba- Terbu-

 ulate, alin, methrin Phorate Prome- zamide, Propa- panil, gite, Sima- thiuron cil, fos,

 water, water, water water ton, water, chlor, water, water, zine, water water, water,

 fltrd fltrd fltrd fltrd water, fltrd water, fltrd fltrd water, fltrd fltrd fltrd

 Date 0.7u GF 0.7u GF 0.7u GF 0.7u GF fltrd, 0.7u GF fltrd, 0.7u GF 0.7u GF fltrd, 0.7u GF 0.7u GF 0.7u GF

 ug/L ug/L ug/L ug/L ug/L ug/L ug/L ug/L ug/L ug/L ug/L ug/L ug/L

 (82669) (82683) (82687) (82664) (04037) (82676) (04024) (82679) (82685) (04035) (82670) (82665) (82675)

 

DEC

 11... <.004 <.022 <.006 <.011 <.01 <.004 <.010 <.011 <.02 <.005 <.02 <.034 <.02

FEB

 04... -- -- -- -- -- -- -- -- -- -- -- -- --

APR

 02... <.004 <.022 <.006 <.011 <.01 .011 <.010 <.011 <.02 .021 <.02 <.034 <.02

JUN

 10... -- -- -- -- -- -- -- -- -- -- -- -- --

AUG

 07... .111 .128 .064 .104 .13 .116 .122 .129 .14 .143 E.17 E.109 .11

 Tri- Sus-

 Thio- Tri- flur- pended

 bencarb allate, alin, sedi- Stream-

 water water, water, ment flow

 fltrd fltrd fltrd concen- sever-

 Date 0.7u GF 0.7u GF 0.7u GF tration ity,

 ug/L ug/L ug/L mg/L code

 (82681) (82678) (82661) (80154) (01351)

 

 DEC

 11... <.005 <.002 <.009 110 5

 FEB

 04... -- -- -- 10 3

 APR

 02... <.005 <.002 <.009 17 3

 JUN

 10... -- -- -- 348 2

 AUG

 07... .124 .116 .081 12 1

 

 Remark codes used in this table:

 < -- Less than

 E -- Estimated value

 Value qualifier codes used in this table:

 k -- Counts outside acceptable range

 n -- Below the LRL and above the LT-MDL
48 Streamflow, Water-Quality, and Biological Data for Three Tributaries to Lake Houston Near Houston, Texas, 2002–04

Table 5. Routinely sampled water-quality data for selected sites in Lake Creek, Peach Creek, and Caney Creek, Texas, water years 2003–

04—Continued. 

 Lake Creek—Continued

 08067800 Lake Creek near Karen, TX (LAKE2)—Continued

 WATER-QUALITY DATA, WATER YEAR OCTOBER 2003 TO SEPTEMBER 2004

 

 Alka-

 Dis- pH, Specif. linity,

 Instan- Baro- solved water, conduc- wat flt taneous metric Dis- oxygen, unfltrd tance, Temper- Temper- inc tit

 dis- pres- solved percent field, wat unf ature, ature, field,

 Date Station number Date Time charge, sure, oxygen, of sat- std uS/cm air, water, mg/L as

 cfs mm Hg mg/L uration units 25 degC deg C deg C CaCO3

 (00061) (00025) (00300) (00301) (00400) (00095) (00020) (00010) (39086)

 

NOV

 12... 08067800 20031112 1246 5.5 766 6.1 68 7.2 411 25.6 21.0 110

JAN

 07... 08067800 20040107 1040 20 769 9.5 84 7.7 495 7.0 10.3 113

MAR

 10... 08067800 20040310 0950 67 763 8.6 87 6.6 308 16.0 16.0 79

JUN

 02... 08067800 20040602 1020 6.1 758 5.9 76 7.5 423 29.0 27.8 111

 Bicar- Carbon- Residue Ammonia Nitrite Ortho-

 bonate, ate, on + + Organic phos- BOD,

 wat flt wat flt Chlor- evap. org-N, Ammonia nitrate Nitrite nitro- phate, Phos- water,

 incrm. incrm. ide, Sulfate at water, water, water water, gen, water, phorus, unfltrd

 titr., titr., water, water, 180degC unfltrd unfltrd fltrd, fltrd, water, fltrd, water, 5 day,

 Date field, field, fltrd, fltrd, wat flt mg/L mg/L mg/L mg/L unfltrd mg/L unfltrd 20 degC

 mg/L mg/L mg/L mg/L mg/L as N as N as N as N mg/L as P mg/L mg/L

 (00453) (00452) (00940) (00945) (70300) (00625) (00610) (00631) (00613) (00605) (00671) (00665) (00310)

 

NOV

 12... 134 .0 53.5 5.8 249 .58 .03 .025 .003 .56 .056 .12 1.5

JAN

 07... 137 .0 72.8 11.6 300 .69 .05 .080 .004 .64 .067 .15 1.8

MAR

 10... 96 .0 37.3 6.8 205 1.1 .06 .047 .003 1.0 .042 .15 1.7

JUN

 02... 134 .0 56.1 6.1 268 .72 .06 .096 .005 .66 .050 .10 1.9

 Pheo- Chloro- 2,6-Di- Ben-

 phytin phyll a E coli, ethyl- flur- Car- Carbo-

 a, phyto- m-TEC aniline Aceto- Ala- alpha- Atra- alin, Butyl- baryl, furan,

 phyto- plank- MF, water CIAT, chlor, chlor, HCH, zine, water, ate, water, water,

 plank- ton, water, fltrd water, water, water, water, water, fltrd water, fltrd fltrd

 Date ton, fluoro, col/ 0.7u GF fltrd, fltrd, fltrd, fltrd, fltrd, 0.7u GF fltrd, 0.7u GF 0.7u GF

 ug/L ug/L 100 mL ug/L ug/L ug/L ug/L ug/L ug/L ug/L ug/L ug/L ug/L

 (62360) (70953) (31633) (82660) (04040) (49260) (46342) (34253) (39632) (82673) (04028) (82680) (82674)

 

NOV

 12... 1.4 1.1 20 <.006 <.006 <.006 <.005 <.005 .096 <.010 <.004 <.041 <.020

JAN

 07... 2.5 1.6 58k -- -- -- -- -- -- -- -- -- --

MAR

 10... 2.4 2.1 52k <.006 <.006 <.006 <.005 <.005 .017 <.010 <.004 <.041 <.020

JUN

 02... 2.5 1.7 42 -- -- -- -- -- -- -- -- -- --

 Desulf- Ethal- Desulf-

 inyl Disul- flur- Etho- inyl- Fipro- Fipro-

 Chlor- Cyana- DCPA, fipro- Diazi- Diel- foton, EPTC, alin, prop, fipro- nil nil

 pyrifos zine, water nil, non, drin, water, water, water, water, nil sulfide sulfone

 water, water, fltrd water, water, water, fltrd fltrd fltrd fltrd amide, water, water,

 Date fltrd, fltrd, 0.7u GF fltrd, fltrd, fltrd, 0.7u GF 0.7u GF 0.7u GF 0.7u GF wat flt fltrd, fltrd, ug/L ug/L ug/L ug/L ug/L ug/L ug/L ug/L ug/L ug/L ug/L ug/L ug/L

 (38933) (04041) (82682) (62170) (39572) (39381) (82677) (82668) (82663) (82672) (62169) (62167) (62168)

 

NOV

 12... <.005 <.018 <.003 <.012 <.005 <.009 <.02 <.004 <.009 <.005 <.029 <.013 <.024

JAN

 07... -- -- -- -- -- -- -- -- -- -- -- -- --

MAR

 10... <.005 <.018 <.003 <.012 <.005 <.009 <.02 <.004 <.009 <.005 <.029 <.013 <.024

JUN

 02... -- -- -- -- -- -- -- -- -- -- -- -- --
Table 5 49

Table 5. Routinely sampled water-quality data for selected sites in Lake Creek, Peach Creek, and Caney Creek, Texas, water years 2003–

04—Continued. 

 Lake Creek—Continued

 08067800 Lake Creek near Karen, TX (LAKE2)—Continued

 WATER-QUALITY DATA, WATER YEAR OCTOBER 2003 TO SEPTEMBER 2004—Continued

 

 Azin- Methyl

 phos- para- Moli- Naprop-

 Fipro- Linuron Mala- methyl, thion, Metola- Metri- nate, amide, p,p'- Para-

 nil, Fonofos Lindane water thion, water, water, chlor, buzin, water, water, DDE, thion,

 water, water, water, fltrd water, fltrd fltrd water, water, fltrd fltrd water, water,

 Date fltrd, fltrd, fltrd, 0.7u GF fltrd, 0.7u GF 0.7u GF fltrd, fltrd, 0.7u GF 0.7u GF fltrd, fltrd,

 ug/L ug/L ug/L ug/L ug/L ug/L ug/L ug/L ug/L ug/L ug/L ug/L ug/L

 (62166) (04095) (39341) (82666) (39532) (82686) (82667) (39415) (82630) (82671) (82684) (34653) (39542)

 

NOV

 12... <.016 <.003 <.004 <.035 <.027 <.050 <.015 <.013 <.006 <.003 <.007 <.003 <.010

JAN

 07... -- -- -- -- -- -- -- -- -- -- -- -- --

MAR

 10... <.016 <.003 <.004 <.035 <.027 <.050 <.015 <.013 <.006 <.003 <.007 <.003 <.010

JUN

 02... -- -- -- -- -- -- -- -- -- -- -- -- --

 Pendi- cis-

 Peb- meth- Per- Propy- Pro- Propar- Tebu- Terba- Terbu-

 ulate, alin, methrin Phorate Prome- zamide, Propa- panil, gite, Sima- thiuron cil, fos,

 water, water, water water ton, water, chlor, water, water, zine, water water, water,

 fltrd fltrd fltrd fltrd water, fltrd water, fltrd fltrd water, fltrd fltrd fltrd

 Date 0.7u GF 0.7u GF 0.7u GF 0.7u GF fltrd, 0.7u GF fltrd, 0.7u GF 0.7u GF fltrd, 0.7u GF 0.7u GF 0.7u GF

 ug/L ug/L ug/L ug/L ug/L ug/L ug/L ug/L ug/L ug/L ug/L ug/L ug/L

 (82669) (82683) (82687) (82664) (04037) (82676) (04024) (82679) (82685) (04035) (82670) (82665) (82675)

 

NOV

 12... <.004 <.022 <.006 <.011 <.01 .008 <.025 <.011 <.02 <.005 <.02 <.034 <.02

JAN

 07... -- -- -- -- -- -- -- -- -- -- -- -- --

MAR

 10... <.004 <.022 <.006 <.011 <.01 <.004 <.025 <.011 <.02 <.005 <.02 E.090 <.02

JUN

 02... -- -- -- -- -- -- -- -- -- -- -- -- --

 Tri- Sus-

 Thio- Tri- flur- pended

 bencarb allate, alin, sedi- Stream-

 water water, water, ment flow

 fltrd fltrd fltrd concen- sever-

 Date 0.7u GF 0.7u GF 0.7u GF tration ity,

 ug/L ug/L ug/L mg/L code

 (82681) (82678) (82661) (80154) (01351)

 

 NOV

 12... <.010 <.002 <.009 10 3

 JAN

 07... -- -- -- 1060 3

 MAR

 10... <.010 <.002 <.009 39 3

 JUN

 02... -- -- -- 21 3

 

 Remark codes used in this table:

 < -- Less than

 E -- Estimated value

 Value qualifier codes used in this table:

 k -- Counts outside acceptable range
50 Streamflow, Water-Quality, and Biological Data for Three Tributaries to Lake Houston Near Houston, Texas, 2002–04

Table 5. Routinely sampled water-quality data for selected sites in Lake Creek, Peach Creek, and Caney Creek, Texas, water years 2003–

04—Continued. 

 Lake Creek—Continued

 08067900 Lake Ck nr Conroe, TX (LAKE1)

 WATER-QUALITY DATA, WATER YEAR OCTOBER 2002 TO SEPTEMBER 2003

 

 Alka-

 Dis- pH, Specif. linity,

 Instan- Baro- solved water, conduc- wat flt taneous metric Dis- oxygen, unfltrd tance, Temper- Temper- inc tit

 dis- pres- solved percent field, wat unf ature, ature, field,

 Date Station number Date Time charge, sure, oxygen, of sat- std uS/cm air, water, mg/L as

 cfs mm Hg mg/L uration units 25 degC deg C deg C CaCO3

 (00061) (00025) (00300) (00301) (00400) (00095) (00020) (00010) (39086)

 

DEC

 11... 08067900 20021211 0943 998 768 10.1 87 7.5 217 8.6 9.2 62

FEB

 04... 08067900 20030204 0904 74 767 9.0 85 7.5 426 12.0 13.2 93

APR

 02... 08067900 20030402 0831 40 764 8.9 91 7.4 438 18.0 16.5 88

JUN

 10... 08067900 20030610 0922 6.1 758 7.4 93 7.2 232 29.5 26.6 52

AUG

 07... 08067900 20030807 0900 3.5 758 5.2 68 7.1 197 27.5 28.5 33

 Bicar- Carbon- Residue Ammonia Nitrite Ortho-

 bonate, ate, on + + Organic phos- BOD,

 wat flt wat flt Chlor- evap. org-N, Ammonia nitrate Nitrite nitro- phate, Phos- water,

 incrm. incrm. ide, Sulfate at water, water, water water, gen, water, phorus, unfltrd

 titr., titr., water, water, 180degC unfltrd unfltrd fltrd, fltrd, water, fltrd, water, 5 day, Date field, field, fltrd, fltrd, wat flt mg/L mg/L mg/L mg/L unfltrd mg/L unfltrd 20 degC

 mg/L mg/L mg/L mg/L mg/L as N as N as N as N mg/L as P mg/L mg/L

 (00453) (00452) (00940) (00945) (70300) (00625) (00610) (00631) (00613) (00605) (00671) (00665) (00310)

 

DEC

 11... 75 .0 16.0 5.3 143 .83 .03 .044 .004 .80 .078 .16 2.3

FEB

 04... 113 .0 62.5 9.6 254 .45 .02 E.021 <.002 .43 .017 .06 .7

APR

 02... 107 .0 66.3 9.0 260 .41 .04 .031 E.002 .37 .018 E.03 1.6

JUN

 10... 63 .0 32.1 5.5 138 .49 .03 .077 <.002 .46 .076 .14 1.3

AUG

 07... 40 .0 33.1 3.0 127 .34 .04 <.022 <.002 .30 .023 E.04n 1.3

 Pheo- Chloro- 2,6-Di- Ben-

 phytin phyll a E coli, ethyl- flur- Car- Carbo-

 a, phyto- m-TEC aniline Aceto- Ala- alpha- Atra- alin, Butyl- baryl, furan,

 phyto- plank- MF, water CIAT, chlor, chlor, HCH, zine, water, ate, water, water,

 plank- ton, water, fltrd water, water, water, water, water, fltrd water, fltrd fltrd

 Date ton, fluoro, col/ 0.7u GF fltrd, fltrd, fltrd, fltrd, fltrd, 0.7u GF fltrd, 0.7u GF 0.7u GF

 ug/L ug/L 100 mL ug/L ug/L ug/L ug/L ug/L ug/L ug/L ug/L ug/L ug/L

 (62360) (70953) (31633) (82660) (04040) (49260) (46342) (34253) (39632) (82673) (04028) (82680) (82674)

 

DEC

 11... 2.5 1.8 210 <.006 <.006 <.006 <.004 <.005 E.006n <.010 <.002 <.041 <.020

FEB

 04... E1.4 E1.9 39 -- -- -- -- -- -- -- -- -- --

APR

 02... -- -- 60 <.006 E.004 <.006 <.004 <.005 .016 <.010 <.002 <.041 <.020

JUN

 10... 2.3 1.7 44 -- -- -- -- -- -- -- -- -- --

AUG

 07... 3.0 2.6 80 -- -- -- -- -- -- -- -- -- --

 Desulf- Ethal- Desulf-

 inyl Disul- flur- Etho- inyl- Fipro- Fipro-

 Chlor- Cyana- DCPA, fipro- Diazi- Diel- foton, EPTC, alin, prop, fipro- nil nil

 pyrifos zine, water nil, non, drin, water, water, water, water, nil sulfide sulfone

 water, water, fltrd water, water, water, fltrd fltrd fltrd fltrd amide, water, water,

 Date fltrd, fltrd, 0.7u GF fltrd, fltrd, fltrd, 0.7u GF 0.7u GF 0.7u GF 0.7u GF wat flt fltrd, fltrd,

 ug/L ug/L ug/L ug/L ug/L ug/L ug/L ug/L ug/L ug/L ug/L ug/L ug/L

 (38933) (04041) (82682) (62170) (39572) (39381) (82677) (82668) (82663) (82672) (62169) (62167) (62168)

 

DEC

 11... <.005 <.018 <.003 <.004 <.008 <.005 <.02 <.002 <.009 <.005 <.009 <.005 <.005

FEB

 04... -- -- -- -- -- -- -- -- -- -- -- -- --

APR

 02... <.005 <.018 <.003 <.004 <.005 <.005 <.02 <.002 <.009 <.005 <.009 <.005 <.005

JUN

 10... -- -- -- -- -- -- -- -- -- -- -- -- --

AUG

 07... -- -- -- -- -- -- -- -- -- -- -- -- --
Table 5 51

Table 5. Routinely sampled water-quality data for selected sites in Lake Creek, Peach Creek, and Caney Creek, Texas, water years 2003–

04—Continued. 

 Lake Creek—Continued

 08067900 Lake Ck nr Conroe, TX (LAKE1)—Continued

 WATER-QUALITY DATA, WATER YEAR OCTOBER 2002 TO SEPTEMBER 2003—Continued

 

 Azin- Methyl

 phos- para- Moli- Naprop-

 Fipro- Linuron Mala- methyl, thion, Metola- Metri- nate, amide, p,p'- Para-

 nil, Fonofos Lindane water thion, water, water, chlor, buzin, water, water, DDE, thion,

 water, water, water, fltrd water, fltrd fltrd water, water, fltrd fltrd water, water,

 Date fltrd, fltrd, fltrd, 0.7u GF fltrd, 0.7u GF 0.7u GF fltrd, fltrd, 0.7u GF 0.7u GF fltrd, fltrd,

 ug/L ug/L ug/L ug/L ug/L ug/L ug/L ug/L ug/L ug/L ug/L ug/L ug/L

 (62166) (04095) (39341) (82666) (39532) (82686) (82667) (39415) (82630) (82671) (82684) (34653) (39542)

 

DEC

 11... <.007 <.003 <.004 <.035 <.027 <.050 <.006 <.013 <.006 <.002 <.007 <.003 <.010

FEB

 04... -- -- -- -- -- -- -- -- -- -- -- -- --

APR

 02... <.007 <.003 <.004 <.035 <.027 <.050 <.006 E.009n <.006 <.002 <.007 <.003 <.010

JUN

 10... -- -- -- -- -- -- -- -- -- -- -- -- --

AUG

 07... -- -- -- -- -- -- -- -- -- -- -- -- --

 Pendi- cis-

 Peb- meth- Per- Propy- Pro- Propar- Tebu- Terba- Terbu-

 ulate, alin, methrin Phorate Prome- zamide, Propa- panil, gite, Sima- thiuron cil, fos,

 water, water, water water ton, water, chlor, water, water, zine, water water, water,

 fltrd fltrd fltrd fltrd water, fltrd water, fltrd fltrd water, fltrd fltrd fltrd

 Date 0.7u GF 0.7u GF 0.7u GF 0.7u GF fltrd, 0.7u GF fltrd, 0.7u GF 0.7u GF fltrd, 0.7u GF 0.7u GF 0.7u GF

 ug/L ug/L ug/L ug/L ug/L ug/L ug/L ug/L ug/L ug/L ug/L ug/L ug/L

 (82669) (82683) (82687) (82664) (04037) (82676) (04024) (82679) (82685) (04035) (82670) (82665) (82675)

 

DEC

 11... <.004 <.022 <.006 <.011 <.01 <.004 <.010 <.011 <.02 <.005 <.02 <.034 <.02

FEB

 04... -- -- -- -- -- -- -- -- -- -- -- -- --

APR

 02... <.004 <.022 <.006 <.011 <.01 .009 <.010 <.011 <.02 .015 <.02 <.034 <.02

JUN

 10... -- -- -- -- -- -- -- -- -- -- -- -- --

AUG

 07... -- -- -- -- -- -- -- -- -- -- -- -- --

 Tri- Sus-

 Thio- Tri- flur- pended

 bencarb allate, alin, sedi- Stream-

 water water, water, ment flow

 fltrd fltrd fltrd concen- sever-

 Date 0.7u GF 0.7u GF 0.7u GF tration ity,

 ug/L ug/L ug/L mg/L code

 (82681) (82678) (82661) (80154) (01351)

 

 DEC

 11... <.005 <.002 <.009 128 5

 FEB

 04... -- -- -- 11 3

 APR

 02... <.005 <.002 <.009 17 3

 JUN

 10... -- -- -- 29 2

 AUG

 07... -- -- -- 20 2

 

 Remark codes used in this table:

 < -- Less than

 E -- Estimated value

 Value qualifier codes used in this table:

 n -- Below the LRL and above the LT-MDL
52 Streamflow, Water-Quality, and Biological Data for Three Tributaries to Lake Houston Near Houston, Texas, 2002–04

Table 5. Routinely sampled water-quality data for selected sites in Lake Creek, Peach Creek, and Caney Creek, Texas, water years 2003–

04—Continued. 

 Lake Creek—Continued

 08067900 Lake Ck nr Conroe, TX (LAKE1)—Continued

 WATER-QUALITY DATA, WATER YEAR OCTOBER 2003 TO SEPTEMBER 2004

 

 Alka-

 Dis- pH, Specif. linity,

 Instan- Baro- solved water, conduc- wat flt taneous metric Dis- oxygen, unfltrd tance, Temper- Temper- inc tit

 dis- pres- solved percent field, wat unf ature, ature, field,

 Date Station number Date Time charge, sure, oxygen, of sat- std uS/cm air, water, mg/L as

 cfs mm Hg mg/L uration units 25 degC deg C deg C CaCO3

 (00061) (00025) (00300) (00301) (00400) (00095) (00020) (00010) (39086)

 

NOV

 12... 08067900 20031112 1327 14 766 6.1 68 7.1 412 25.8 21.0 79

JAN

 07... 08067900 20040107 0945 30 771 8.3 73 7.3 379 4.5 10.4 80

MAR

 10... 08067900 20040310 0900 111 764 8.2 84 6.6 239 15.5 16.5 63

JUN

 02... 08067900 20040602 0935 22 759 7.1 90 7.5 292 30.0 26.9 73

 Bicar- Carbon- Residue Ammonia Nitrite Ortho-

 bonate, ate, on + + Organic phos- BOD,

 wat flt wat flt Chlor- evap. org-N, Ammonia nitrate Nitrite nitro- phate, Phos- water,

 incrm. incrm. ide, Sulfate at water, water, water water, gen, water, phorus, unfltrd

 titr., titr., water, water, 180degC unfltrd unfltrd fltrd, fltrd, water, fltrd, water, 5 day,

 Date field, field, fltrd, fltrd, wat flt mg/L mg/L mg/L mg/L unfltrd mg/L unfltrd 20 degC

 mg/L mg/L mg/L mg/L mg/L as N as N as N as N mg/L as P mg/L mg/L

 (00453) (00452) (00940) (00945) (70300) (00625) (00610) (00631) (00613) (00605) (00671) (00665) (00310)

 

NOV

 12... 96 .0 42.6 5.5 201 .47 .01 .081 E.001n .45 .078 .15 1.3

JAN

 07... 97 .0 55.7 9.2 229 .58 .06 .092 .003 .52 .060 .13 1.7

MAR

 10... 76 .0 27.4 5.5 164 .98 .04 .043 .003 .94 .067 .15 1.8

JUN

 02... 89 .0 38.2 4.9 184 .51 .03 .131 .004 .47 .048 .11 1.9

 Pheo- Chloro- 2,6-Di- Ben-

 phytin phyll a E coli, ethyl- flur- Car- Carbo-

 a, phyto- m-TEC aniline Aceto- Ala- alpha- Atra- alin, Butyl- baryl, furan,

 phyto- plank- MF, water CIAT, chlor, chlor, HCH, zine, water, ate, water, water,

 plank- ton, water, fltrd water, water, water, water, water, fltrd water, fltrd fltrd

 Date ton, fluoro, col/ 0.7u GF fltrd, fltrd, fltrd, fltrd, fltrd, 0.7u GF fltrd, 0.7u GF 0.7u GF

 ug/L ug/L 100 mL ug/L ug/L ug/L ug/L ug/L ug/L ug/L ug/L ug/L ug/L

 (62360) (70953) (31633) (82660) (04040) (49260) (46342) (34253) (39632) (82673) (04028) (82680) (82674)

 

NOV

 12... .7 1.0 120 <.006 <.006 <.006 <.005 <.005 .065 <.010 <.004 <.041 <.020

JAN

 07... 1.2 .6 80 -- -- -- -- -- -- -- -- -- --

MAR

 10... 1.9 1.9 110 <.006 <.006 <.006 <.005 <.005 .022 <.010 <.004 <.041 <.020

JUN

 02... 1.0 1.3 96 -- -- -- -- -- -- -- -- -- --

 Desulf- Ethal- Desulf-

 inyl Disul- flur- Etho- inyl- Fipro- Fipro-

 Chlor- Cyana- DCPA, fipro- Diazi- Diel- foton, EPTC, alin, prop, fipro- nil nil

 pyrifos zine, water nil, non, drin, water, water, water, water, nil sulfide sulfone

 water, water, fltrd water, water, water, fltrd fltrd fltrd fltrd amide, water, water,

 Date fltrd, fltrd, 0.7u GF fltrd, fltrd, fltrd, 0.7u GF 0.7u GF 0.7u GF 0.7u GF wat flt fltrd, fltrd, ug/L ug/L ug/L ug/L ug/L ug/L ug/L ug/L ug/L ug/L ug/L ug/L ug/L

 (38933) (04041) (82682) (62170) (39572) (39381) (82677) (82668) (82663) (82672) (62169) (62167) (62168)

 

NOV

 12... <.005 <.018 <.003 <.012 <.005 <.009 <.02 <.100 <.009 <.005 <.029 <.013 <.024

JAN

 07... -- -- -- -- -- -- -- -- -- -- -- -- --

MAR

 10... <.005 <.018 <.003 <.012 <.005 <.009 <.02 <.004 <.009 <.005 <.029 <.013 <.024

JUN

 02... -- -- -- -- -- -- -- -- -- -- -- -- --
Table 5 53

Table 5. Routinely sampled water-quality data for selected sites in Lake Creek, Peach Creek, and Caney Creek, Texas, water years 2003–

04—Continued. 

 Lake Creek—Continued

 08067900 Lake Ck nr Conroe, TX (LAKE1)—Continued

 WATER-QUALITY DATA, WATER YEAR OCTOBER 2003 TO SEPTEMBER 2004—Continued

 

 Azin- Methyl

 phos- para- Moli- Naprop-

 Fipro- Linuron Mala- methyl, thion, Metola- Metri- nate, amide, p,p'- Para-

 nil, Fonofos Lindane water thion, water, water, chlor, buzin, water, water, DDE, thion,

 water, water, water, fltrd water, fltrd fltrd water, water, fltrd fltrd water, water,

 Date fltrd, fltrd, fltrd, 0.7u GF fltrd, 0.7u GF 0.7u GF fltrd, fltrd, 0.7u GF 0.7u GF fltrd, fltrd,

 ug/L ug/L ug/L ug/L ug/L ug/L ug/L ug/L ug/L ug/L ug/L ug/L ug/L

 (62166) (04095) (39341) (82666) (39532) (82686) (82667) (39415) (82630) (82671) (82684) (34653) (39542)

 

NOV

 12... <.016 <.003 <.004 <.035 <.027 <.050 <.015 <.013 <.006 <.003 <.007 <.003 <.010

JAN

 07... -- -- -- -- -- -- -- -- -- -- -- -- --

MAR

 10... <.016 <.003 <.004 <.035 <.027 <.050 <.015 <.013 <.006 <.003 <.007 <.003 <.010

JUN

 02... -- -- -- -- -- -- -- -- -- -- -- -- --

 Pendi- cis-

 Peb- meth- Per- Propy- Pro- Propar- Tebu- Terba- Terbu-

 ulate, alin, methrin Phorate Prome- zamide, Propa- panil, gite, Sima- thiuron cil, fos,

 water, water, water water ton, water, chlor, water, water, zine, water water, water,

 fltrd fltrd fltrd fltrd water, fltrd water, fltrd fltrd water, fltrd fltrd fltrd

 Date 0.7u GF 0.7u GF 0.7u GF 0.7u GF fltrd, 0.7u GF fltrd, 0.7u GF 0.7u GF fltrd, 0.7u GF 0.7u GF 0.7u GF

 ug/L ug/L ug/L ug/L ug/L ug/L ug/L ug/L ug/L ug/L ug/L ug/L ug/L

 (82669) (82683) (82687) (82664) (04037) (82676) (04024) (82679) (82685) (04035) (82670) (82665) (82675)

 

NOV

 12... <.004 <.022 <.006 <.011 <.01 <.004 <.025 <.011 <.02 <.005 <.02 E.070 <.02

JAN

 07... -- -- -- -- -- -- -- -- -- -- -- -- --

MAR

 10... <.004 <.022 <.006 <.011 <.01 <.004 <.025 <.011 <.02 <.005 <.02 <.034 <.02

JUN

 02... -- -- -- -- -- -- -- -- -- -- -- -- --

 Tri- Sus-

 Thio- Tri- flur- pended

 bencarb allate, alin, sedi- Stream-

 water water, water, ment flow

 fltrd fltrd fltrd concen- sever-

 Date 0.7u GF 0.7u GF 0.7u GF tration ity,

 ug/L ug/L ug/L mg/L code

 (82681) (82678) (82661) (80154) (01351)

 

 NOV

 12... <.010 <.002 <.009 9 3

 JAN

 07... -- -- -- 11 3

 MAR

 10... <.010 <.002 <.009 51 3

 JUN

 02... -- -- -- 19 3

 

 Remark codes used in this table:

 < -- Less than

 E -- Estimated value

 Value qualifier codes used in this table:

 n -- Below the LRL and above the LT-MDL
54 Streamflow, Water-Quality, and Biological Data for Three Tributaries to Lake Houston Near Houston, Texas, 2002–04

Table 5. Routinely sampled water-quality data for selected sites in Lake Creek, Peach Creek, and Caney Creek, Texas, water years 2003–

04—Continued. 

 Peach Creek

 08070900 Peach Creek near Cleveland, TX (PEACH3)

 WATER-QUALITY DATA, WATER YEAR OCTOBER 2002 TO SEPTEMBER 2003

 

 Alka-

 Dis- pH, Specif. linity,

 Instan- Baro- solved water, conduc- wat flt taneous metric Dis- oxygen, unfltrd tance, Temper- Temper- inc tit

 dis- pres- solved percent field, wat unf ature, ature, field,

 Date Station number Date Time charge, sure, oxygen, of sat- std uS/cm air, water, mg/L as

 cfs mm Hg mg/L uration units 25 degC deg C deg C CaCO3

 (00061) (00025) (00300) (00301) (00400) (00095) (00020) (00010) (39086)

 

DEC

 12... 08070900 20021212 1426 139 755 10.7 97 5.8 64 13.5 10.7 4

FEB

 05... 08070900 20030205 1109 55 763 9.7 89 6.6 67 10.5 11.9 7

APR

 03... 08070900 20030403 1130 41 761 8.8 89 6.5 64 24.0 15.9 8

JUN

 11... 08070900 20030611 0956 18 756 7.7 92 6.4 64 29.0 24.0 8

AUG

 06... 08070900 20030806 1220 24 753 7.2 89 6.3 59 33.0 25.9 10

 Bicar- Carbon- Residue Ammonia Nitrite Ortho-

 bonate, ate, on + + Organic phos- BOD,

 wat flt wat flt Chlor- evap. org-N, Ammonia nitrate Nitrite nitro- phate, Phos- water,

 incrm. incrm. ide, Sulfate at water, water, water water, gen, water, phorus, unfltrd

 titr., titr., water, water, 180degC unfltrd unfltrd fltrd, fltrd, water, fltrd, water, 5 day, Date field, field, fltrd, fltrd, wat flt mg/L mg/L mg/L mg/L unfltrd mg/L unfltrd 20 degC

 mg/L mg/L mg/L mg/L mg/L as N as N as N as N mg/L as P mg/L mg/L

 (00453) (00452) (00940) (00945) (70300) (00625) (00610) (00631) (00613) (00605) (00671) (00665) (00310)

 

DEC

 12... 6 .0 8.73 4.9 70 .56 .04 .047 E.002 .52 <.007 .05 2.0

FEB

 05... 9 .0 8.86 2.2 46 .27 <.01 .098 <.002 -- <.007 <.04 .6

APR

 03... 9 .0 8.61 2.0 46 .27 .02 .108 <.002 .25 <.007 <.04 1.5

JUN

 11... 10 .0 8.45 1.1 46 .25 .02 .140 E.002 .24 <.007 E.03 .8

AUG

 06... 12 .0 8.90 1.2 56 .34 .02 .144 E.002 .32 <.007 <.04 1.1

 Pheo- Chloro- 2,6-Di- Ben-

 phytin phyll a E coli, ethyl- flur- Car- Carbo-

 a, phyto- m-TEC aniline Aceto- Ala- alpha- Atra- alin, Butyl- baryl, furan,

 phyto- plank- MF, water CIAT, chlor, chlor, HCH, zine, water, ate, water, water,

 plank- ton, water, fltrd water, water, water, water, water, fltrd water, fltrd fltrd

 Date ton, fluoro, col/ 0.7u GF fltrd, fltrd, fltrd, fltrd, fltrd, 0.7u GF fltrd, 0.7u GF 0.7u GF

 ug/L ug/L 100 mL ug/L ug/L ug/L ug/L ug/L ug/L ug/L ug/L ug/L ug/L

 (62360) (70953) (31633) (82660) (04040) (49260) (46342) (34253) (39632) (82673) (04028) (82680) (82674)

 

DEC

 12... .9 .3 230 <.006 <.006 <.006 <.004 <.005 <.007 <.010 <.002 <.041 <.020

FEB

 05... E.7 E.5 48 -- -- -- -- -- -- -- -- -- --

APR

 03... .6 .2 140 <.006 <.006 <.006 <.004 <.005 <.007 <.010 <.002 <.041 <.020

JUN

 11... .6 .3 130 -- -- -- -- -- -- -- -- -- --

AUG

 06... .9 .4 56 .108 E.051 .106 .101 .101 .097 .074 .093 E.115 E.126

 Desulf- Ethal- Desulf-

 inyl Disul- flur- Etho- inyl- Fipro- Fipro-

 Chlor- Cyana- DCPA, fipro- Diazi- Diel- foton, EPTC, alin, prop, fipro- nil nil

 pyrifos zine, water nil, non, drin, water, water, water, water, nil sulfide sulfone

 water, water, fltrd water, water, water, fltrd fltrd fltrd fltrd amide, water, water,

 Date fltrd, fltrd, 0.7u GF fltrd, fltrd, fltrd, 0.7u GF 0.7u GF 0.7u GF 0.7u GF wat flt fltrd, fltrd,

 ug/L ug/L ug/L ug/L ug/L ug/L ug/L ug/L ug/L ug/L ug/L ug/L ug/L

 (38933) (04041) (82682) (62170) (39572) (39381) (82677) (82668) (82663) (82672) (62169) (62167) (62168)

 

DEC

 12... <.005 <.018 <.003 <.004 <.005 <.005 <.02 <.002 <.009 <.005 <.009 <.005 <.005

FEB

 05... -- -- -- -- -- -- -- -- -- -- -- -- --

APR

 03... <.005 <.018 <.003 <.004 <.005 <.005 <.02 <.002 <.009 <.005 <.009 <.005 <.005

JUN

 11... -- -- -- -- -- -- -- -- -- -- -- -- --

AUG

 06... .116 .098 .103 .101 .103 .106 .07 .095 .092 .096 E.125 .091 .074
Table 5 55

Table 5. Routinely sampled water-quality data for selected sites in Lake Creek, Peach Creek, and Caney Creek, Texas, water years 2003–

04—Continued. 

 Peach Creek—Continued

 08070900 Peach Creek near Cleveland, TX (PEACH3)—Continued

 WATER-QUALITY DATA, WATER YEAR OCTOBER 2002 TO SEPTEMBER 2003—Continued

 

 Azin- Methyl

 phos- para- Moli- Naprop-

 Fipro- Linuron Mala- methyl, thion, Metola- Metri- nate, amide, p,p'- Para-

 nil, Fonofos Lindane water thion, water, water, chlor, buzin, water, water, DDE, thion,

 water, water, water, fltrd water, fltrd fltrd water, water, fltrd fltrd water, water,

 Date fltrd, fltrd, fltrd, 0.7u GF fltrd, 0.7u GF 0.7u GF fltrd, fltrd, 0.7u GF 0.7u GF fltrd, fltrd,

 ug/L ug/L ug/L ug/L ug/L ug/L ug/L ug/L ug/L ug/L ug/L ug/L ug/L

 (62166) (04095) (39341) (82666) (39532) (82686) (82667) (39415) (82630) (82671) (82684) (34653) (39542)

 

DEC

 12... <.007 <.003 <.004 <.035 <.027 <.050 <.006 <.013 <.006 <.002 <.007 <.003 <.010

FEB

 05... -- -- -- -- -- -- -- -- -- -- -- -- --

APR

 03... <.007 <.003 <.004 <.035 <.027 <.050 <.006 <.013 <.006 <.002 <.007 <.003 <.010

JUN

 11... -- -- -- -- -- -- -- -- -- -- -- -- --

AUG

 06... E.137 .086 .091 .102 .118 E.142 .092 .102 .086 .106 .094 .067 .099

 Pendi- cis-

 Peb- meth- Per- Propy- Pro- Propar- Tebu- Terba- Terbu-

 ulate, alin, methrin Phorate Prome- zamide, Propa- panil, gite, Sima- thiuron cil, fos,

 water, water, water water ton, water, chlor, water, water, zine, water water, water,

 fltrd fltrd fltrd fltrd water, fltrd water, fltrd fltrd water, fltrd fltrd fltrd

 Date 0.7u GF 0.7u GF 0.7u GF 0.7u GF fltrd, 0.7u GF fltrd, 0.7u GF 0.7u GF fltrd, 0.7u GF 0.7u GF 0.7u GF

 ug/L ug/L ug/L ug/L ug/L ug/L ug/L ug/L ug/L ug/L ug/L ug/L ug/L

 (82669) (82683) (82687) (82664) (04037) (82676) (04024) (82679) (82685) (04035) (82670) (82665) (82675)

 

DEC

 12... <.004 <.022 <.006 <.011 <.01 <.004 <.010 <.011 <.02 <.005 <.02 <.034 <.02

FEB

 05... -- -- -- -- -- -- -- -- -- -- -- -- --

APR

 03... <.004 <.022 <.006 <.011 <.01 <.004 <.010 <.011 <.02 <.005 <.02 <.034 <.02

JUN

 11... -- -- -- -- -- -- -- -- -- -- -- -- --

AUG

 06... .101 .092 .061 .099 .11 .092 .105 .105 .12 .126 E.16 E.101 .09

 Tri- Sus-

 Thio- Tri- flur- pended

 bencarb allate, alin, sedi- Stream-

 water water, water, ment flow

 fltrd fltrd fltrd concen- sever-

 Date 0.7u GF 0.7u GF 0.7u GF tration ity,

 ug/L ug/L ug/L mg/L code

 (82681) (82678) (82661) (80154) (01351)

 

 DEC

 12... <.005 <.002 <.009 64 5

 FEB

 05... -- -- -- 9 3

 APR

 03... <.005 <.005 <.009 12 3

 JUN

 11... -- -- -- 12 2

 AUG

 06... .104 .097 .078 8 3

 

 Remark codes used in this table:

 < -- Less than

 E -- Estimated value
56 Streamflow, Water-Quality, and Biological Data for Three Tributaries to Lake Houston Near Houston, Texas, 2002–04

Table 5. Routinely sampled water-quality data for selected sites in Lake Creek, Peach Creek, and Caney Creek, Texas, water years 2003–

04—Continued. 

 Peach Creek—Continued

 08070900 Peach Creek near Cleveland, TX (PEACH3)—Continued

 WATER-QUALITY DATA, WATER YEAR OCTOBER 2003 TO SEPTEMBER 2004

 

 Alka-

 Dis- pH, Specif. linity,

 Instan- Baro- solved water, conduc- wat flt taneous metric Dis- oxygen, unfltrd tance, Temper- Temper- inc tit

 dis- pres- solved percent field, wat unf ature, ature, field,

 Date Station number Date Time charge, sure, oxygen, of sat- std uS/cm air, water, mg/L as

 cfs mm Hg mg/L uration units 25 degC deg C deg C CaCO3

 (00061) (00025) (00300) (00301) (00400) (00095) (00020) (00010) (39086)

 

NOV

 13... 08070900 20031113 1256 25 769 5.3 57 6.0 59 20.1 19.0 8

JAN

 08... 08070900 20040108 1112 39 761 10.8 94 6.5 85 10.5 9.1 8

MAR

 11... 08070900 20040311 1056 60 766 9.8 95 6.0 61 21.0 14.2 8

JUN

 03... 08070900 20040603 1120 28 762 7.1 85 6.5 65 25.0 23.8 8

 Bicar- Carbon- Residue Ammonia Nitrite Ortho-

 bonate, ate, on + + Organic phos- BOD,

 wat flt wat flt Chlor- evap. org-N, Ammonia nitrate Nitrite nitro- phate, Phos- water,

 incrm. incrm. ide, Sulfate at water, water, water water, gen, water, phorus, unfltrd

 titr., titr., water, water, 180degC unfltrd unfltrd fltrd, fltrd, water, fltrd, water, 5 day,

 Date field, field, fltrd, fltrd, wat flt mg/L mg/L mg/L mg/L unfltrd mg/L unfltrd 20 degC

 mg/L mg/L mg/L mg/L mg/L as N as N as N as N mg/L as P mg/L mg/L

 (00453) (00452) (00940) (00945) (70300) (00625) (00610) (00631) (00613) (00605) (00671) (00665) (00310)

 

NOV

 13... 9 .0 9.38 1.2 48 .13 .01 .083 E.001n .12 <.006 <.04 1.0

JAN

 08... 10 .0 10.6 2.4 56 .41 .03 .093 E.001n .38 <.006 E.03n .5

MAR

 11... 9 .0 8.91 2.3 48 .40 .02 .104 E.001n .38 <.006 E.02n .8

JUN

 03... 10 .0 9.90 1.6 46 .28 .03 .152 .003 .26 <.006 <.04 .8

 Pheo- Chloro- 2,6-Di- Ben-

 phytin phyll a E coli, ethyl- flur- Car- Carbo-

 a, phyto- m-TEC aniline Aceto- Ala- alpha- Atra- alin, Butyl- baryl, furan,

 phyto- plank- MF, water CIAT, chlor, chlor, HCH, zine, water, ate, water, water,

 plank- ton, water, fltrd water, water, water, water, water, fltrd water, fltrd fltrd

 Date ton, fluoro, col/ 0.7u GF fltrd, fltrd, fltrd, fltrd, fltrd, 0.7u GF fltrd, 0.7u GF 0.7u GF

 ug/L ug/L 100 mL ug/L ug/L ug/L ug/L ug/L ug/L ug/L ug/L ug/L ug/L

 (62360) (70953) (31633) (82660) (04040) (49260) (46342) (34253) (39632) (82673) (04028) (82680) (82674)

 

NOV

 13... E.2 E.1 80 <.006 <.006 <.006 <.005 <.005 <.007 <.010 <.004 <.041 <.020

JAN

 08... .4 .2 190 -- -- -- -- -- -- -- -- -- --

MAR

 11... .4 .2 55k <.006 <.006 <.006 <.005 <.005 <.007 <.010 <.004 <.041 <.020

JUN

 03... .3 .2 27 -- -- -- -- -- -- -- -- -- --

 Desulf- Ethal- Desulf-

 inyl Disul- flur- Etho- inyl- Fipro- Fipro-

 Chlor- Cyana- DCPA, fipro- Diazi- Diel- foton, EPTC, alin, prop, fipro- nil nil

 pyrifos zine, water nil, non, drin, water, water, water, water, nil sulfide sulfone

 water, water, fltrd water, water, water, fltrd fltrd fltrd fltrd amide, water, water,

 Date fltrd, fltrd, 0.7u GF fltrd, fltrd, fltrd, 0.7u GF 0.7u GF 0.7u GF 0.7u GF wat flt fltrd, fltrd, ug/L ug/L ug/L ug/L ug/L ug/L ug/L ug/L ug/L ug/L ug/L ug/L ug/L

 (38933) (04041) (82682) (62170) (39572) (39381) (82677) (82668) (82663) (82672) (62169) (62167) (62168)

 

NOV

 13... <.005 <.018 <.003 <.012 <.005 <.009 <.02 <.004 <.009 <.005 <.029 <.013 <.024

JAN

 08... -- -- -- -- -- -- -- -- -- -- -- -- --

MAR

 11... <.005 <.018 <.003 <.012 <.005 <.009 <.02 <.004 <.009 <.005 <.029 <.013 <.024

JUN

 03... -- -- -- -- -- -- -- -- -- -- -- -- --
Table 5 57

Table 5. Routinely sampled water-quality data for selected sites in Lake Creek, Peach Creek, and Caney Creek, Texas, water years 2003–

04—Continued. 

 Peach Creek—Continued

 08070900 Peach Creek near Cleveland, TX (PEACH3)—Continued

 WATER-QUALITY DATA, WATER YEAR OCTOBER 2003 TO SEPTEMBER 2004—Continued

 

 Azin- Methyl

 phos- para- Moli- Naprop-

 Fipro- Linuron Mala- methyl, thion, Metola- Metri- nate, amide, p,p'- Para-

 nil, Fonofos Lindane water thion, water, water, chlor, buzin, water, water, DDE, thion,

 water, water, water, fltrd water, fltrd fltrd water, water, fltrd fltrd water, water,

 Date fltrd, fltrd, fltrd, 0.7u GF fltrd, 0.7u GF 0.7u GF fltrd, fltrd, 0.7u GF 0.7u GF fltrd, fltrd,

 ug/L ug/L ug/L ug/L ug/L ug/L ug/L ug/L ug/L ug/L ug/L ug/L ug/L

 (62166) (04095) (39341) (82666) (39532) (82686) (82667) (39415) (82630) (82671) (82684) (34653) (39542)

 

NOV

 13... <.016 <.003 <.004 <.035 <.027 <.050 <.015 <.013 <.006 <.003 <.007 <.003 <.010

JAN

 08... -- -- -- -- -- -- -- -- -- -- -- -- --

MAR

 11... <.016 <.003 <.004 <.035 <.027 <.050 <.015 <.013 <.006 <.003 <.007 <.003 <.010

JUN

 03... -- -- -- -- -- -- -- -- -- -- -- -- --

 Pendi- cis-

 Peb- meth- Per- Propy- Pro- Propar- Tebu- Terba- Terbu-

 ulate, alin, methrin Phorate Prome- zamide, Propa- panil, gite, Sima- thiuron cil, fos,

 water, water, water water ton, water, chlor, water, water, zine, water water, water,

 fltrd fltrd fltrd fltrd water, fltrd water, fltrd fltrd water, fltrd fltrd fltrd

 Date 0.7u GF 0.7u GF 0.7u GF 0.7u GF fltrd, 0.7u GF fltrd, 0.7u GF 0.7u GF fltrd, 0.7u GF 0.7u GF 0.7u GF

 ug/L ug/L ug/L ug/L ug/L ug/L ug/L ug/L ug/L ug/L ug/L ug/L ug/L

 (82669) (82683) (82687) (82664) (04037) (82676) (04024) (82679) (82685) (04035) (82670) (82665) (82675)

 

NOV

 13... <.004 <.022 <.006 <.011 <.01 <.004 <.025 <.011 <.02 <.005 <.02 <.034 <.02

JAN

 08... -- -- -- -- -- -- -- -- -- -- -- -- --

MAR

 11... <.004 <.022 <.006 <.011 <.01 <.004 <.025 <.011 <.02 <.005 <.02 <.034 <.02

JUN

 03... -- -- -- -- -- -- -- -- -- -- -- -- --

 Tri- Sus-

 Thio- Tri- flur- pended

 bencarb allate, alin, sedi- Stream-

 water water, water, ment flow

 fltrd fltrd fltrd concen- sever-

 Date 0.7u GF 0.7u GF 0.7u GF tration ity,

 ug/L ug/L ug/L mg/L code

 (82681) (82678) (82661) (80154) (01351)

 

 NOV

 13... <.010 <.002 <.009 7 3

 JAN

 08... -- -- -- 6 3

 MAR

 11... <.010 <.002 <.009 -- 3

 JUN

 03... -- -- -- 11 3

 

 Remark codes used in this table:

 < -- Less than

 E -- Estimated value

 Value qualifier codes used in this table:

 k -- Counts outside acceptable range

 n -- Below the LRL and above the LT-MDL
58 Streamflow, Water-Quality, and Biological Data for Three Tributaries to Lake Houston Near Houston, Texas, 2002–04

Table 5. Routinely sampled water-quality data for selected sites in Lake Creek, Peach Creek, and Caney Creek, Texas, water years 2003–

04—Continued. 

 Peach Creek—Continued

 08071000 Peach Ck at Splendora, TX (PEACH2)

 WATER-QUALITY DATA, WATER YEAR OCTOBER 2002 TO SEPTEMBER 2003

 

 Alka-

 Dis- pH, Specif. linity,

 Instan- Baro- solved water, conduc- wat flt taneous metric Dis- oxygen, unfltrd tance, Temper- Temper- inc tit

 dis- pres- solved percent field, wat unf ature, ature, field,

 Date Station number Date Time charge, sure, oxygen, of sat- std uS/cm air, water, mg/L as

 cfs mm Hg mg/L uration units 25 degC deg C deg C CaCO3

 (00061) (00025) (00300) (00301) (00400) (00095) (00020) (00010) (39086)

 

DEC

 12... 08071000 20021212 1720 304 760 10.0 90 6.3 73 13.7 10.7 9

FEB

 05... 08071000 20030205 1210 56 763 9.6 89 6.5 91 12.0 12.2 8

APR

 03... 08071000 20030403 1227 49 761 8.7 88 6.4 84 24.0 15.8 9

JUN

 11... 08071000 20030611 1040 19 758 7.0 85 6.3 79 32.0 24.9 10

AUG

 06... 08071000 20030806 1014 19 761 6.5 82 6.4 72 32.0 26.4 9

 Bicar- Carbon- Residue Ammonia Nitrite Ortho-

 bonate, ate, on + + Organic phos- BOD,

 wat flt wat flt Chlor- evap. org-N, Ammonia nitrate Nitrite nitro- phate, Phos- water,

 incrm. incrm. ide, Sulfate at water, water, water water, gen, water, phorus, unfltrd

 titr., titr., water, water, 180degC unfltrd unfltrd fltrd, fltrd, water, fltrd, water, 5 day, Date field, field, fltrd, fltrd, wat flt mg/L mg/L mg/L mg/L unfltrd mg/L unfltrd 20 degC

 mg/L mg/L mg/L mg/L mg/L as N as N as N as N mg/L as P mg/L mg/L

 (00453) (00452) (00940) (00945) (70300) (00625) (00610) (00631) (00613) (00605) (00671) (00665) (00310)

 

DEC

 12... 12 .0 8.56 3.0 74 .70 .05 .265 .006 .64 .042 .12 3.1

FEB

 05... 10 .0 13.7 2.8 68 .31 .02 .114 E.002 .29 <.007 <.04 .6

APR

 03... 11 .0 12.5 2.4 62 .35 .04 .125 E.002 .31 <.007 E.03 1.5

JUN

 11... 13 .0 11.1 1.5 50 .30 .03 .110 E.002 .27 <.007 E.03 .9

AUG

 06... 10 .0 11.3 1.4 67 .19 .01 .134 E.002 .18 <.007 <.04 .8

 Pheo- Chloro- 2,6-Di- Ben-

 phytin phyll a E coli, ethyl- flur- Car- Carbo-

 a, phyto- m-TEC aniline Aceto- Ala- alpha- Atra- alin, Butyl- baryl, furan,

 phyto- plank- MF, water CIAT, chlor, chlor, HCH, zine, water, ate, water, water,

 plank- ton, water, fltrd water, water, water, water, water, fltrd water, fltrd fltrd

 Date ton, fluoro, col/ 0.7u GF fltrd, fltrd, fltrd, fltrd, fltrd, 0.7u GF fltrd, 0.7u GF 0.7u GF

 ug/L ug/L 100 mL ug/L ug/L ug/L ug/L ug/L ug/L ug/L ug/L ug/L ug/L

 (62360) (70953) (31633) (82660) (04040) (49260) (46342) (34253) (39632) (82673) (04028) (82680) (82674)

 

DEC

 12... 3.5 2.1 430 <.006 <.006 <.006 <.004 <.005 <.007 <.010 <.002 E.006 <.020

FEB

 05... E.8 E1.4 96 -- -- -- -- -- -- -- -- -- --

APR

 03... -- -- 150 <.006 <.006 <.006 <.004 <.005 .010 <.010 <.002 <.041 <.020

JUN

 11... 1.2 1.5 84 -- -- -- -- -- -- -- -- -- --

AUG

 06... .6 .5 88 .105 E.063 .110 .100 .100 .101 .072 .092 E.129 E.130

 Desulf- Ethal- Desulf-

 inyl Disul- flur- Etho- inyl- Fipro- Fipro-

 Chlor- Cyana- DCPA, fipro- Diazi- Diel- foton, EPTC, alin, prop, fipro- nil nil

 pyrifos zine, water nil, non, drin, water, water, water, water, nil sulfide sulfone

 water, water, fltrd water, water, water, fltrd fltrd fltrd fltrd amide, water, water,

 Date fltrd, fltrd, 0.7u GF fltrd, fltrd, fltrd, 0.7u GF 0.7u GF 0.7u GF 0.7u GF wat flt fltrd, fltrd,

 ug/L ug/L ug/L ug/L ug/L ug/L ug/L ug/L ug/L ug/L ug/L ug/L ug/L

 (38933) (04041) (82682) (62170) (39572) (39381) (82677) (82668) (82663) (82672) (62169) (62167) (62168)

 

DEC

 12... <.005 <.018 <.003 <.004 <.005 <.005 <.02 <.002 <.009 <.005 <.009 <.005 <.005

FEB

 05... -- -- -- -- -- -- -- -- -- -- -- -- --

APR

 03... <.005 <.018 <.003 <.004 <.005 <.005 <.02 <.002 <.009 <.005 <.009 <.005 <.005

JUN

 11... -- -- -- -- -- -- -- -- -- -- -- -- --

AUG

 06... .101 .087 .108 .110 .105 .089 .07 .098 .068 .099 E.159 .098 .082
Table 5 59

Table 5. Routinely sampled water-quality data for selected sites in Lake Creek, Peach Creek, and Caney Creek, Texas, water years 2003–

04—Continued. 

 Peach Creek—Continued

 08071000 Peach Ck at Splendora, TX (PEACH2)—Continued

 WATER-QUALITY DATA, WATER YEAR OCTOBER 2002 TO SEPTEMBER 2003—Continued

 

 Azin- Methyl

 phos- para- Moli- Naprop-

 Fipro- Linuron Mala- methyl, thion, Metola- Metri- nate, amide, p,p'- Para-

 nil, Fonofos Lindane water thion, water, water, chlor, buzin, water, water, DDE, thion,

 water, water, water, fltrd water, fltrd fltrd water, water, fltrd fltrd water, water,

 Date fltrd, fltrd, fltrd, 0.7u GF fltrd, 0.7u GF 0.7u GF fltrd, fltrd, 0.7u GF 0.7u GF fltrd, fltrd,

 ug/L ug/L ug/L ug/L ug/L ug/L ug/L ug/L ug/L ug/L ug/L ug/L ug/L

 (62166) (04095) (39341) (82666) (39532) (82686) (82667) (39415) (82630) (82671) (82684) (34653) (39542)

 

DEC

 12... <.007 <.003 <.004 <.035 <.027 <.050 <.006 <.013 <.006 <.002 <.007 <.003 <.010

FEB

 05... -- -- -- -- -- -- -- -- -- -- -- -- --

APR

 03... <.007 <.003 <.004 <.035 <.027 <.050 <.006 <.013 <.006 <.002 <.007 <.003 <.010

JUN

 11... -- -- -- -- -- -- -- -- -- -- -- -- --

AUG

 06... E.155 .069 .092 .140 .127 E.143 .100 .116 .095 .105 .093 .054 .109

 Pendi- cis-

 Peb- meth- Per- Propy- Pro- Propar- Tebu- Terba- Terbu-

 ulate, alin, methrin Phorate Prome- zamide, Propa- panil, gite, Sima- thiuron cil, fos,

 water, water, water water ton, water, chlor, water, water, zine, water water, water,

 fltrd fltrd fltrd fltrd water, fltrd water, fltrd fltrd water, fltrd fltrd fltrd

 Date 0.7u GF 0.7u GF 0.7u GF 0.7u GF fltrd, 0.7u GF fltrd, 0.7u GF 0.7u GF fltrd, 0.7u GF 0.7u GF 0.7u GF

 ug/L ug/L ug/L ug/L ug/L ug/L ug/L ug/L ug/L ug/L ug/L ug/L ug/L

 (82669) (82683) (82687) (82664) (04037) (82676) (04024) (82679) (82685) (04035) (82670) (82665) (82675)

 

DEC

 12... <.004 <.022 <.006 <.011 <.01 <.004 <.010 <.011 <.02 <.005 <.02 <.034 <.02

FEB

 05... -- -- -- -- -- -- -- -- -- -- -- -- --

APR

 03... <.004 <.022 <.006 <.011 <.01 <.004 <.010 <.011 <.02 <.005 <.02 <.034 <.02

JUN

 11... -- -- -- -- -- -- -- -- -- -- -- -- --

AUG

 06... .097 .090 .058 .096 .11 .101 .109 .117 .11 .134 E.15 E.110 .09

 Tri- Sus-

 Thio- Tri- flur- pended

 bencarb allate, alin, sedi- Stream-

 water water, water, ment flow

 fltrd fltrd fltrd concen- sever-

 Date 0.7u GF 0.7u GF 0.7u GF tration ity,

 ug/L ug/L ug/L mg/L code

 (82681) (82678) (82661) (80154) (01351)

 

 DEC

 12... <.005 <.002 <.009 93 5

 FEB

 05... -- -- -- 9 3

 APR

 03... <.005 <.002 <.009 9 3

 JUN

 11... -- -- -- 11 2

 AUG

 06... .112 .098 .058 12 3

 

 Remark codes used in this table:

 < -- Less than

 E -- Estimated value
60 Streamflow, Water-Quality, and Biological Data for Three Tributaries to Lake Houston Near Houston, Texas, 2002–04

Table 5. Routinely sampled water-quality data for selected sites in Lake Creek, Peach Creek, and Caney Creek, Texas, water years 2003–

04—Continued. 

 Peach Creek—Continued

 08071000 Peach Ck at Splendora, TX (PEACH2)—Continued

 WATER-QUALITY DATA, WATER YEAR OCTOBER 2003 TO SEPTEMBER 2004

 

 Alka-

 Dis- pH, Specif. linity,

 Instan- Baro- solved water, conduc- wat flt taneous metric Dis- oxygen, unfltrd tance, Temper- Temper- inc tit

 dis- pres- solved percent field, wat unf ature, ature, field,

 Date Station number Date Time charge, sure, oxygen, of sat- std uS/cm air, water, mg/L as

 cfs mm Hg mg/L uration units 25 degC deg C deg C CaCO3

 (00061) (00025) (00300) (00301) (00400) (00095) (00020) (00010) (39086)

 

NOV

 13... 08071000 20031113 1128 31 669 7.0 86 5.8 70 21.5 19.0 10

JAN

 08... 08071000 20040108 1150 55 761 10.1 89 6.5 107 11.0 9.9 10

MAR

 11... 08071000 20040311 1135 85 767 9.2 91 6.1 82 20.0 15.2 10

JUN

 03... 08071000 20040603 1244 33 763 6.6 79 6.5 81 27.0 24.5 10

 Bicar- Carbon- Residue Ammonia Nitrite Ortho-

 bonate, ate, on + + Organic phos- BOD,

 wat flt wat flt Chlor- evap. org-N, Ammonia nitrate Nitrite nitro- phate, Phos- water,

 incrm. incrm. ide, Sulfate at water, water, water water, gen, water, phorus, unfltrd

 titr., titr., water, water, 180degC unfltrd unfltrd fltrd, fltrd, water, fltrd, water, 5 day,

 Date field, field, fltrd, fltrd, wat flt mg/L mg/L mg/L mg/L unfltrd mg/L unfltrd 20 degC

 mg/L mg/L mg/L mg/L mg/L as N as N as N as N mg/L as P mg/L mg/L

 (00453) (00452) (00940) (00945) (70300) (00625) (00610) (00631) (00613) (00605) (00671) (00665) (00310)

 

NOV

 13... 12 .0 11.9 1.5 52 .16 .01 .071 .002 .15 <.006 <.04 1.0

JAN

 08... 13 .0 15.6 3.0 76 .51 .06 .104 .002 .45 E.003n E.03n .9

MAR

 11... 12 .0 12.7 2.8 72 .58 .03 .095 .003 .54 <.006 E.03n 1.2

JUN

 03... 12 .0 12.6 1.7 61 .40 .04 .158 .003 .36 E.003n E.02n 1.0

 Pheo- Chloro- 2,6-Di- Ben-

 phytin phyll a E coli, ethyl- flur- Car- Carbo-

 a, phyto- m-TEC aniline Aceto- Ala- alpha- Atra- alin, Butyl- baryl, furan,

 phyto- plank- MF, water CIAT, chlor, chlor, HCH, zine, water, ate, water, water,

 plank- ton, water, fltrd water, water, water, water, water, fltrd water, fltrd fltrd

 Date ton, fluoro, col/ 0.7u GF fltrd, fltrd, fltrd, fltrd, fltrd, 0.7u GF fltrd, 0.7u GF 0.7u GF

 ug/L ug/L 100 mL ug/L ug/L ug/L ug/L ug/L ug/L ug/L ug/L ug/L ug/L

 (62360) (70953) (31633) (82660) (04040) (49260) (46342) (34253) (39632) (82673) (04028) (82680) (82674)

 

NOV

 13... .3 .2 150 <.006 <.006 <.006 <.005 <.005 <.007 <.010 <.004 <.041 <.020

JAN

 08... 1.0 1.4 600 -- -- -- -- -- -- -- -- -- --

MAR

 11... .6 1.0 88 <.006 <.006 <.006 <.005 <.005 .009 <.010 <.004 <.041 <.020

JUN

 03... .5 .7 60 -- -- -- -- -- -- -- -- -- --

 Desulf- Ethal- Desulf-

 inyl Disul- flur- Etho- inyl- Fipro- Fipro-

 Chlor- Cyana- DCPA, fipro- Diazi- Diel- foton, EPTC, alin, prop, fipro- nil nil

 pyrifos zine, water nil, non, drin, water, water, water, water, nil sulfide sulfone

 water, water, fltrd water, water, water, fltrd fltrd fltrd fltrd amide, water, water,

 Date fltrd, fltrd, 0.7u GF fltrd, fltrd, fltrd, 0.7u GF 0.7u GF 0.7u GF 0.7u GF wat flt fltrd, fltrd, ug/L ug/L ug/L ug/L ug/L ug/L ug/L ug/L ug/L ug/L ug/L ug/L ug/L

 (38933) (04041) (82682) (62170) (39572) (39381) (82677) (82668) (82663) (82672) (62169) (62167) (62168)

 

NOV

 13... <.005 <.018 <.003 <.012 <.005 <.009 <.02 <.004 <.009 <.005 <.029 <.013 <.024

JAN

 08... -- -- -- -- -- -- -- -- -- -- -- -- --

MAR

 11... <.005 <.018 <.003 <.012 <.005 <.009 <.02 <.004 <.009 <.005 <.029 <.013 <.024

JUN

 03... -- -- -- -- -- -- -- -- -- -- -- -- --
Table 5 61

Table 5. Routinely sampled water-quality data for selected sites in Lake Creek, Peach Creek, and Caney Creek, Texas, water years 2003–

04—Continued. 

 Peach Creek—Continued

 08071000 Peach Ck at Splendora, TX (PEACH2)—Continued

 WATER-QUALITY DATA, WATER YEAR OCTOBER 2003 TO SEPTEMBER 2004—Continued

 

 Azin- Methyl

 phos- para- Moli- Naprop-

 Fipro- Linuron Mala- methyl, thion, Metola- Metri- nate, amide, p,p'- Para-

 nil, Fonofos Lindane water thion, water, water, chlor, buzin, water, water, DDE, thion,

 water, water, water, fltrd water, fltrd fltrd water, water, fltrd fltrd water, water,

 Date fltrd, fltrd, fltrd, 0.7u GF fltrd, 0.7u GF 0.7u GF fltrd, fltrd, 0.7u GF 0.7u GF fltrd, fltrd,

 ug/L ug/L ug/L ug/L ug/L ug/L ug/L ug/L ug/L ug/L ug/L ug/L ug/L

 (62166) (04095) (39341) (82666) (39532) (82686) (82667) (39415) (82630) (82671) (82684) (34653) (39542)

 

NOV

 13... <.016 <.003 <.004 <.035 <.027 <.050 <.015 <.013 <.006 <.003 <.007 <.003 <.010

JAN

 08... -- -- -- -- -- -- -- -- -- -- -- -- --

MAR

 11... <.016 <.003 <.004 <.035 <.027 <.050 <.015 <.013 <.006 <.003 <.007 <.003 <.010

JUN

 03... -- -- -- -- -- -- -- -- -- -- -- -- --

 Pendi- cis-

 Peb- meth- Per- Propy- Pro- Propar- Tebu- Terba- Terbu-

 ulate, alin, methrin Phorate Prome- zamide, Propa- panil, gite, Sima- thiuron cil, fos,

 water, water, water water ton, water, chlor, water, water, zine, water water, water,

 fltrd fltrd fltrd fltrd water, fltrd water, fltrd fltrd water, fltrd fltrd fltrd

 Date 0.7u GF 0.7u GF 0.7u GF 0.7u GF fltrd, 0.7u GF fltrd, 0.7u GF 0.7u GF fltrd, 0.7u GF 0.7u GF 0.7u GF

 ug/L ug/L ug/L ug/L ug/L ug/L ug/L ug/L ug/L ug/L ug/L ug/L ug/L

 (82669) (82683) (82687) (82664) (04037) (82676) (04024) (82679) (82685) (04035) (82670) (82665) (82675)

 

NOV

 13... <.004 <.022 <.006 <.011 <.01 <.004 <.025 <.011 <.02 <.005 <.02 <.034 <.02

JAN

 08... -- -- -- -- -- -- -- -- -- -- -- -- --

MAR

 11... <.004 <.022 <.006 <.011 .01 <.004 <.025 <.011 <.02 <.005 <.02 <.034 <.02

JUN

 03... -- -- -- -- -- -- -- -- -- -- -- -- --

 Tri- Sus-

 Thio- Tri- flur- pended

 bencarb allate, alin, sedi- Stream-

 water water, water, ment flow

 fltrd fltrd fltrd concen- sever-

 Date 0.7u GF 0.7u GF 0.7u GF tration ity,

 ug/L ug/L ug/L mg/L code

 (82681) (82678) (82661) (80154) (01351)

 

 NOV

 13... <.010 <.002 <.009 9 3

 JAN

 08... -- -- -- 6 3

 MAR

 11... <.010 <.002 <.009 12 3

 JUN

 03... -- -- -- 11 3

 

 Remark codes used in this table:

 < -- Less than

 E -- Estimated value

 Value qualifier codes used in this table:

 n -- Below the LRL and above the LT-MDL
62 Streamflow, Water-Quality, and Biological Data for Three Tributaries to Lake Houston Near Houston, Texas, 2002–04

Table 5. Routinely sampled water-quality data for selected sites in Lake Creek, Peach Creek, and Caney Creek, Texas, water years 2003–

04—Continued. 

 Peach Creek—Continued

 08071100 Peach Ck nr New Caney, TX (PEACH1)

 WATER-QUALITY DATA, WATER YEAR OCTOBER 2002 TO SEPTEMBER 2003

 

 Alka-

 Dis- pH, Specif. linity,

 Instan- Baro- solved water, conduc- wat flt taneous metric Dis- oxygen, unfltrd tance, Temper- Temper- inc tit

 dis- pres- solved percent field, wat unf ature, ature, field,

 Date Station number Date Time charge, sure, oxygen, of sat- std uS/cm air, water, mg/L as

 cfs mm Hg mg/L uration units 25 degC deg C deg C CaCO3

 (00061) (00025) (00300) (00301) (00400) (00095) (00020) (00010) (39086)

 

DEC

 12... 08071100 20021212 1040 359 759 10.1 91 6.6 94 15.7 10.6 10

FEB

 05... 08071100 20030205 1321 62 764 10.5 98 6.8 107 11.0 12.2 12

APR

 03... 08071100 20030403 1350 53 761 9.1 96 6.6 105 25.5 17.6 12

JUN

 11... 08071100 20030611 1140 19 758 7.0 88 6.7 117 31.0 26.6 16

AUG

 06... 08071100 20030806 0930 22 762 7.2 89 6.4 105 30.0 26.5 16

 Bicar- Carbon- Residue Ammonia Nitrite Ortho-

 bonate, ate, on + + Organic phos- BOD,

 wat flt wat flt Chlor- evap. org-N, Ammonia nitrate Nitrite nitro- phate, Phos- water,

 incrm. incrm. ide, Sulfate at water, water, water water, gen, water, phorus, unfltrd

 titr., titr., water, water, 180degC unfltrd unfltrd fltrd, fltrd, water, fltrd, water, 5 day, Date field, field, fltrd, fltrd, wat flt mg/L mg/L mg/L mg/L unfltrd mg/L unfltrd 20 degC

 mg/L mg/L mg/L mg/L mg/L as N as N as N as N mg/L as P mg/L mg/L

 (00453) (00452) (00940) (00945) (70300) (00625) (00610) (00631) (00613) (00605) (00671) (00665) (00310)

 

DEC

 12... 12 .0 13.6 3.7 78 .46 .04 .172 .003 .42 E.006 .04 2.0

FEB

 05... 15 .0 17.0 3.7 74 .31 .04 .217 .005 .27 .012 E.03 .8

APR

 03... 15 .0 16.4 3.4 71 .35 .03 .267 .005 .32 .011 E.04 1.2

JUN

 11... 20 .0 18.0 2.8 66 .31 .03 .229 .004 .28 .026 .07 1.1

AUG

 06... 19 .0 17.5 2.5 80 .29 .02 .249 .007 .27 .018 E.03 .7

 Pheo- Chloro- 2,6-Di- Ben-

 phytin phyll a E coli, ethyl- flur- Car- Carbo-

 a, phyto- m-TEC aniline Aceto- Ala- alpha- Atra- alin, Butyl- baryl, furan,

 phyto- plank- MF, water CIAT, chlor, chlor, HCH, zine, water, ate, water, water,

 plank- ton, water, fltrd water, water, water, water, water, fltrd water, fltrd fltrd

 Date ton, fluoro, col/ 0.7u GF fltrd, fltrd, fltrd, fltrd, fltrd, 0.7u GF fltrd, 0.7u GF 0.7u GF

 ug/L ug/L 100 mL ug/L ug/L ug/L ug/L ug/L ug/L ug/L ug/L ug/L ug/L

 (62360) (70953) (31633) (82660) (04040) (49260) (46342) (34253) (39632) (82673) (04028) (82680) (82674)

 

DEC

 12... E1.3 E.4 120 <.006 <.006 <.006 <.004 <.005 <.007 <.010 <.002 <.041 <.020

FEB

 05... E.8 E1.4 80 -- -- -- -- -- -- -- -- -- --

APR

 03... -- -- 96 <.006 <.006 <.006 <.004 <.005 .020 <.010 <.002 <.041 <.020

JUN

 11... 2.7 2.2 96 -- -- -- -- -- -- -- -- -- --

AUG

 06... .7 .3 92 .105 E.058 .115 .102 .100 .103 .080 .096 E.133 E.136

 Desulf- Ethal- Desulf-

 inyl Disul- flur- Etho- inyl- Fipro- Fipro-

 Chlor- Cyana- DCPA, fipro- Diazi- Diel- foton, EPTC, alin, prop, fipro- nil nil

 pyrifos zine, water nil, non, drin, water, water, water, water, nil sulfide sulfone

 water, water, fltrd water, water, water, fltrd fltrd fltrd fltrd amide, water, water,

 Date fltrd, fltrd, 0.7u GF fltrd, fltrd, fltrd, 0.7u GF 0.7u GF 0.7u GF 0.7u GF wat flt fltrd, fltrd,

 ug/L ug/L ug/L ug/L ug/L ug/L ug/L ug/L ug/L ug/L ug/L ug/L ug/L

 (38933) (04041) (82682) (62170) (39572) (39381) (82677) (82668) (82663) (82672) (62169) (62167) (62168)

 

DEC

 12... <.005 <.018 <.003 <.004 <.005 <.005 <.02 <.002 <.009 <.005 <.009 <.005 <.005

FEB

 05... -- -- -- -- -- -- -- -- -- -- -- -- --

APR

 03... <.005 <.018 <.003 <.004 <.005 <.005 <.02 <.002 <.009 <.005 <.009 <.005 <.005

JUN

 11... -- -- -- -- -- -- -- -- -- -- -- -- --

AUG

 06... .103 .090 .110 .113 .106 .099 .07 .096 .074 .101 E.152 .100 .080
Table 5 63

Table 5. Routinely sampled water-quality data for selected sites in Lake Creek, Peach Creek, and Caney Creek, Texas, water years 2003–

04—Continued. 

 Peach Creek—Continued

 08071100 Peach Ck nr New Caney, TX (PEACH1)—Continued

 WATER-QUALITY DATA, WATER YEAR OCTOBER 2002 TO SEPTEMBER 2003—Continued

 

 Azin- Methyl

 phos- para- Moli- Naprop-

 Fipro- Linuron Mala- methyl, thion, Metola- Metri- nate, amide, p,p'- Para-

 nil, Fonofos Lindane water thion, water, water, chlor, buzin, water, water, DDE, thion,

 water, water, water, fltrd water, fltrd fltrd water, water, fltrd fltrd water, water,

 Date fltrd, fltrd, fltrd, 0.7u GF fltrd, 0.7u GF 0.7u GF fltrd, fltrd, 0.7u GF 0.7u GF fltrd, fltrd,

 ug/L ug/L ug/L ug/L ug/L ug/L ug/L ug/L ug/L ug/L ug/L ug/L ug/L

 (62166) (04095) (39341) (82666) (39532) (82686) (82667) (39415) (82630) (82671) (82684) (34653) (39542)

 

DEC

 12... <.007 <.003 <.004 <.035 <.027 <.050 <.006 <.013 <.006 <.002 <.007 <.003 <.010

FEB

 05... -- -- -- -- -- -- -- -- -- -- -- -- --

APR

 03... <.007 <.003 <.004 <.035 <.027 <.050 <.006 <.013 <.006 <.002 <.007 <.003 <.010

JUN

 11... -- -- -- -- -- -- -- -- -- -- -- -- --

AUG

 06... E.160 .093 .091 .144 .134 E.149 .129 .117 .095 .109 .097 .060 .140

 Pendi- cis-

 Peb- meth- Per- Propy- Pro- Propar- Tebu- Terba- Terbu-

 ulate, alin, methrin Phorate Prome- zamide, Propa- panil, gite, Sima- thiuron cil, fos,

 water, water, water water ton, water, chlor, water, water, zine, water water, water,

 fltrd fltrd fltrd fltrd water, fltrd water, fltrd fltrd water, fltrd fltrd fltrd

 Date 0.7u GF 0.7u GF 0.7u GF 0.7u GF fltrd, 0.7u GF fltrd, 0.7u GF 0.7u GF fltrd, 0.7u GF 0.7u GF 0.7u GF

 ug/L ug/L ug/L ug/L ug/L ug/L ug/L ug/L ug/L ug/L ug/L ug/L ug/L

 (82669) (82683) (82687) (82664) (04037) (82676) (04024) (82679) (82685) (04035) (82670) (82665) (82675)

 

DEC

 12... <.004 <.022 <.006 <.011 <.01 <.004 <.010 <.011 <.02 <.005 <.02 <.034 <.02

FEB

 05... -- -- -- -- -- -- -- -- -- -- -- -- --

APR

 03... <.004 <.022 <.006 <.011 <.01 <.004 <.010 <.011 <.02 <.005 <.02 <.034 <.02

JUN

 11... -- -- -- -- -- -- -- -- -- -- -- -- --

AUG

 06... .102 .105 .061 .102 .12 .104 .117 .119 .11 .138 E.17 E.099 .09

 Tri- Sus-

 Thio- Tri- flur- pended

 bencarb allate, alin, sedi- Stream-

 water water, water, ment flow

 fltrd fltrd fltrd concen- sever-

 Date 0.7u GF 0.7u GF 0.7u GF tration ity,

 ug/L ug/L ug/L mg/L code

 (82681) (82678) (82661) (80154) (01351)

 

 DEC

 12... <.005 <.002 <.009 18 5

 FEB

 05... -- -- -- 7 3

 APR

 03... <.005 <.002 <.009 8 3

 JUN

 11... -- -- -- 11 2

 AUG

 06... .112 .101 .083 14 3

 

 Remark codes used in this table:

 < -- Less than

 E -- Estimated value
64 Streamflow, Water-Quality, and Biological Data for Three Tributaries to Lake Houston Near Houston, Texas, 2002–04

Table 5. Routinely sampled water-quality data for selected sites in Lake Creek, Peach Creek, and Caney Creek, Texas, water years 2003–

04—Continued. 

 Peach Creek—Continued

 08071100 Peach Ck nr New Caney, TX (PEACH1)—Continued

 WATER-QUALITY DATA, WATER YEAR OCTOBER 2003 TO SEPTEMBER 2004

 

 Alka-

 Dis- pH, Specif. linity,

 Instan- Baro- solved water, conduc- wat flt taneous metric Dis- oxygen, unfltrd tance, Temper- Temper- inc tit

 dis- pres- solved percent field, wat unf ature, ature, field,

 Date Station number Date Time charge, sure, oxygen, of sat- std uS/cm air, water, mg/L as

 cfs mm Hg mg/L uration units 25 degC deg C deg C CaCO3

 (00061) (00025) (00300) (00301) (00400) (00095) (00020) (00010) (39086)

 

NOV

 13... 08071100 20031113 1040 29 769 9.6 103 6.3 98 21.5 19.0 16

JAN

 08... 08071100 20040108 1300 65 762 10.6 95 6.9 140 12.0 10.5 20

MAR

 11... 08071100 20040311 1250 94 770 9.6 99 6.3 99 21.0 17.2 12

JUN

 03... 08071100 20040603 0945 41 763 7.8 92 6.7 110 24.0 23.7 14

 Bicar- Carbon- Residue Ammonia Nitrite Ortho-

 bonate, ate, on + + Organic phos- BOD,

 wat flt wat flt Chlor- evap. org-N, Ammonia nitrate Nitrite nitro- phate, Phos- water,

 incrm. incrm. ide, Sulfate at water, water, water water, gen, water, phorus, unfltrd

 titr., titr., water, water, 180degC unfltrd unfltrd fltrd, fltrd, water, fltrd, water, 5 day,

 Date field, field, fltrd, fltrd, wat flt mg/L mg/L mg/L mg/L unfltrd mg/L unfltrd 20 degC

 mg/L mg/L mg/L mg/L mg/L as N as N as N as N mg/L as P mg/L mg/L

 (00453) (00452) (00940) (00945) (70300) (00625) (00610) (00631) (00613) (00605) (00671) (00665) (00310)

 

NOV

 13... 20 .0 15.9 2.5 63 .30 <.01 .263 .005 -- .020 E.04n 1.1

JAN

 08... 25 .0 17.9 5.0 89 .50 .10 .291 .010 .40 .055 .10 1.1

MAR

 11... 15 .0 14.7 3.7 72 .61 .03 .196 .003 .58 <.006 .05 1.2

JUN

 03... 18 .0 16.4 2.8 75 .31 .02 .161 .005 .29 .008 E.03n 1.3

 Pheo- Chloro- 2,6-Di- Ben-

 phytin phyll a E coli, ethyl- flur- Car- Carbo-

 a, phyto- m-TEC aniline Aceto- Ala- alpha- Atra- alin, Butyl- baryl, furan,

 phyto- plank- MF, water CIAT, chlor, chlor, HCH, zine, water, ate, water, water,

 plank- ton, water, fltrd water, water, water, water, water, fltrd water, fltrd fltrd

 Date ton, fluoro, col/ 0.7u GF fltrd, fltrd, fltrd, fltrd, fltrd, 0.7u GF fltrd, 0.7u GF 0.7u GF

 ug/L ug/L 100 mL ug/L ug/L ug/L ug/L ug/L ug/L ug/L ug/L ug/L ug/L

 (62360) (70953) (31633) (82660) (04040) (49260) (46342) (34253) (39632) (82673) (04028) (82680) (82674)

 

NOV

 13... .4 .3 84 <.006 <.006 <.006 <.005 <.005 <.007 <.010 <.004 <.041 <.020

JAN

 08... .9 .9 2800 -- -- -- -- -- -- -- -- -- --

MAR

 11... .7 .9 52k <.006 <.006 <.006 <.005 <.005 .015 <.010 <.004 <.041 <.020

JUN

 03... 1.6 3.8 140 -- -- -- -- -- -- -- -- -- --

 Desulf- Ethal- Desulf-

 inyl Disul- flur- Etho- inyl- Fipro- Fipro-

 Chlor- Cyana- DCPA, fipro- Diazi- Diel- foton, EPTC, alin, prop, fipro- nil nil

 pyrifos zine, water nil, non, drin, water, water, water, water, nil sulfide sulfone

 water, water, fltrd water, water, water, fltrd fltrd fltrd fltrd amide, water, water,

 Date fltrd, fltrd, 0.7u GF fltrd, fltrd, fltrd, 0.7u GF 0.7u GF 0.7u GF 0.7u GF wat flt fltrd, fltrd, ug/L ug/L ug/L ug/L ug/L ug/L ug/L ug/L ug/L ug/L ug/L ug/L ug/L

 (38933) (04041) (82682) (62170) (39572) (39381) (82677) (82668) (82663) (82672) (62169) (62167) (62168)

 

NOV

 13... <.005 <.018 <.003 <.012 <.005 <.009 <.02 <.004 <.009 <.005 <.029 <.013 <.024

JAN

 08... -- -- -- -- -- -- -- -- -- -- -- -- --

MAR

 11... <.005 <.018 <.003 <.012 <.005 <.009 <.02 <.004 <.009 <.005 <.029 <.013 <.024

JUN

 03... -- -- -- -- -- -- -- -- -- -- -- -- --
Table 5 65

Table 5. Routinely sampled water-quality data for selected sites in Lake Creek, Peach Creek, and Caney Creek, Texas, water years 2003–

04—Continued. 

 Peach Creek—Continued

 08071100 Peach Ck nr New Caney, TX (PEACH1)—Continued

 WATER-QUALITY DATA, WATER YEAR OCTOBER 2003 TO SEPTEMBER 2004—Continued

 

 Azin- Methyl

 phos- para- Moli- Naprop-

 Fipro- Linuron Mala- methyl, thion, Metola- Metri- nate, amide, p,p'- Para-

 nil, Fonofos Lindane water thion, water, water, chlor, buzin, water, water, DDE, thion,

 water, water, water, fltrd water, fltrd fltrd water, water, fltrd fltrd water, water,

 Date fltrd, fltrd, fltrd, 0.7u GF fltrd, 0.7u GF 0.7u GF fltrd, fltrd, 0.7u GF 0.7u GF fltrd, fltrd,

 ug/L ug/L ug/L ug/L ug/L ug/L ug/L ug/L ug/L ug/L ug/L ug/L ug/L

 (62166) (04095) (39341) (82666) (39532) (82686) (82667) (39415) (82630) (82671) (82684) (34653) (39542)

 

NOV

 13... <.016 <.003 <.004 <.035 <.027 <.050 <.015 <.013 <.006 <.003 <.007 <.003 <.010

JAN

 08... -- -- -- -- -- -- -- -- -- -- -- -- --

MAR

 11... <.016 <.003 <.004 <.035 <.027 <.050 <.015 <.013 <.006 <.003 <.007 <.003 <.010

JUN

 03... -- -- -- -- -- -- -- -- -- -- -- -- --

 Pendi- cis-

 Peb- meth- Per- Propy- Pro- Propar- Tebu- Terba- Terbu-

 ulate, alin, methrin Phorate Prome- zamide, Propa- panil, gite, Sima- thiuron cil, fos,

 water, water, water water ton, water, chlor, water, water, zine, water water, water,

 fltrd fltrd fltrd fltrd water, fltrd water, fltrd fltrd water, fltrd fltrd fltrd

 Date 0.7u GF 0.7u GF 0.7u GF 0.7u GF fltrd, 0.7u GF fltrd, 0.7u GF 0.7u GF fltrd, 0.7u GF 0.7u GF 0.7u GF

 ug/L ug/L ug/L ug/L ug/L ug/L ug/L ug/L ug/L ug/L ug/L ug/L ug/L

 (82669) (82683) (82687) (82664) (04037) (82676) (04024) (82679) (82685) (04035) (82670) (82665) (82675)

 

NOV

 13... <.004 <.022 <.006 <.011 <.01 <.004 <.025 <.011 <.02 <.005 <.02 <.034 <.02

JAN

 08... -- -- -- -- -- -- -- -- -- -- -- -- --

MAR

 11... <.004 <.022 <.006 <.011 .01 <.004 <.025 <.011 <.02 .007 <.02 <.034 <.02

JUN

 03... -- -- -- -- -- -- -- -- -- -- -- -- --

 Tri- Sus-

 Thio- Tri- flur- pended

 bencarb allate, alin, sedi- Stream-

 water water, water, ment flow

 fltrd fltrd fltrd concen- sever-

 Date 0.7u GF 0.7u GF 0.7u GF tration ity,

 ug/L ug/L ug/L mg/L code

 (82681) (82678) (82661) (80154) (01351)

 

 NOV

 13... <.010 <.002 <.009 6 3

 JAN

 08... -- -- -- 11 3

 MAR

 11... <.010 <.002 <.009 12 3

 JUN

 03... -- -- -- 13 3

 

 Remark codes used in this table:

 < -- Less than

 E -- Estimated value

 Value qualifier codes used in this table:

 k -- Counts outside acceptable range

 n -- Below the LRL and above the LT-MDL
66 Streamflow, Water-Quality, and Biological Data for Three Tributaries to Lake Houston Near Houston, Texas, 2002–04

Table 5. Routinely sampled water-quality data for selected sites in Lake Creek, Peach Creek, and Caney Creek, Texas, water years 2003–

04—Continued. 

 Caney Creek

 08070495 Caney Creek near Cut And Shoot, TX (CANEY3)

 WATER-QUALITY DATA, WATER YEAR OCTOBER 2002 TO SEPTEMBER 2003

 

 Alka-

 Dis- pH, Specif. linity,

 Instan- Baro- solved water, conduc- wat flt taneous metric Dis- oxygen, unfltrd tance, Temper- Temper- inc tit

 dis- pres- solved percent field, wat unf ature, ature, field,

 Date Station number Date Time charge, sure, oxygen, of sat- std uS/cm air, water, mg/L as

 cfs mm Hg mg/L uration units 25 degC deg C deg C CaCO3

 (00061) (00025) (00300) (00301) (00400) (00095) (00020) (00010) (39086)

 

DEC

 12... 08070495 20021212 1535 278 760 10.6 96 6.9 75 12.5 10.9 16

FEB

 05... 08070495 20030205 1019 39 762 9.6 91 7.0 150 11.0 12.8 30

APR

 03... 08070495 20030403 1021 37 761 8.7 90 6.8 143 23.0 17.1 30

JUN

 11... 08070495 20030611 0925 12 756 7.9 94 6.5 118 29.0 23.9 21

AUG

 06... 08070495 20030806 1140 20 758 7.4 91 6.6 101 31.0 25.4 16

 Bicar- Carbon- Residue Ammonia Nitrite Ortho-

 bonate, ate, on + + Organic phos- BOD,

 wat flt wat flt Chlor- evap. org-N, Ammonia nitrate Nitrite nitro- phate, Phos- water,

 incrm. incrm. ide, Sulfate at water, water, water water, gen, water, phorus, unfltrd

 titr., titr., water, water, 180degC unfltrd unfltrd fltrd, fltrd, water, fltrd, water, 5 day, Date field, field, fltrd, fltrd, wat flt mg/L mg/L mg/L mg/L unfltrd mg/L unfltrd 20 degC

 mg/L mg/L mg/L mg/L mg/L as N as N as N as N mg/L as P mg/L mg/L

 (00453) (00452) (00940) (00945) (70300) (00625) (00610) (00631) (00613) (00605) (00671) (00665) (00310)

 

DEC

 12... 20 .0 6.94 3.2 72 .78 .05 .148 .004 .73 .064 .15 3.7

FEB

 05... 36 .0 17.1 3.9 90 .21 <.01 .331 <.002 -- <.007 E.03 .7

APR

 03... 37 .0 16.7 3.4 83 .23 .01 .388 E.002 .22 <.007 E.03 2.8

JUN

 11... 26 .0 14.0 2.7 70 .19 <.01 .423 E.002 -- <.007 E.03 .2

AUG

 06... 20 .0 13.1 2.5 75 .26 .03 .487 .003 .23 <.007 <.04 .8

 Pheo- Chloro- 2,6-Di- Ben-

 phytin phyll a E coli, ethyl- flur- Car- Carbo-

 a, phyto- m-TEC aniline Aceto- Ala- alpha- Atra- alin, Butyl- baryl, furan,

 phyto- plank- MF, water CIAT, chlor, chlor, HCH, zine, water, ate, water, water,

 plank- ton, water, fltrd water, water, water, water, water, fltrd water, fltrd fltrd

 Date ton, fluoro, col/ 0.7u GF fltrd, fltrd, fltrd, fltrd, fltrd, 0.7u GF fltrd, 0.7u GF 0.7u GF

 ug/L ug/L 100 mL ug/L ug/L ug/L ug/L ug/L ug/L ug/L ug/L ug/L ug/L

 (62360) (70953) (31633) (82660) (04040) (49260) (46342) (34253) (39632) (82673) (04028) (82680) (82674)

 

DEC

 12... 2.2 .8 680 <.006 <.006 <.006 <.004 <.005 <.007 <.010 <.002 E.014 <.020

FEB

 05... E1.2 E1.0 56 -- -- -- -- -- -- -- -- -- --

APR

 03... 1.3 1.0 120 <.006 <.006 <.006 <.004 <.005 .012 <.010 <.002 <.041 <.020

JUN

 11... 1.7 1.6 58 -- -- -- -- -- -- -- -- -- --

AUG

 06... .7 .5 120 .119 E.056 .122 .107 .112 .112 .085 .104 E.134 E.140

 Desulf- Ethal- Desulf-

 inyl Disul- flur- Etho- inyl- Fipro- Fipro-

 Chlor- Cyana- DCPA, fipro- Diazi- Diel- foton, EPTC, alin, prop, fipro- nil nil

 pyrifos zine, water nil, non, drin, water, water, water, water, nil sulfide sulfone

 water, water, fltrd water, water, water, fltrd fltrd fltrd fltrd amide, water, water,

 Date fltrd, fltrd, 0.7u GF fltrd, fltrd, fltrd, 0.7u GF 0.7u GF 0.7u GF 0.7u GF wat flt fltrd, fltrd,

 ug/L ug/L ug/L ug/L ug/L ug/L ug/L ug/L ug/L ug/L ug/L ug/L ug/L

 (38933) (04041) (82682) (62170) (39572) (39381) (82677) (82668) (82663) (82672) (62169) (62167) (62168)

 

DEC

 12... <.005 <.018 <.003 <.004 .022 <.005 <.02 <.002 <.009 <.005 <.009 <.005 <.005

FEB

 05... -- -- -- -- -- -- -- -- -- -- -- -- --

APR

 03... <.005 <.018 <.003 <.004 <.005 <.005 <.02 <.002 <.009 <.005 <.009 <.005 <.005

JUN

 11... -- -- -- -- -- -- -- -- -- -- -- -- --

AUG

 06... .116 .099 .116 .123 .113 .111 .08 .104 .079 .109 E.155 .111 .091
Table 5 67

Table 5. Routinely sampled water-quality data for selected sites in Lake Creek, Peach Creek, and Caney Creek, Texas, water years 2003–

04—Continued. 

 Caney Creek—Continued

 08070495 Caney Creek near Cut And Shoot, TX (CANEY3)—Continued

 WATER-QUALITY DATA, WATER YEAR OCTOBER 2002 TO SEPTEMBER 2003—Continued

 

 Azin- Methyl

 phos- para- Moli- Naprop-

 Fipro- Linuron Mala- methyl, thion, Metola- Metri- nate, amide, p,p'- Para-

 nil, Fonofos Lindane water thion, water, water, chlor, buzin, water, water, DDE, thion,

 water, water, water, fltrd water, fltrd fltrd water, water, fltrd fltrd water, water,

 Date fltrd, fltrd, fltrd, 0.7u GF fltrd, 0.7u GF 0.7u GF fltrd, fltrd, 0.7u GF 0.7u GF fltrd, fltrd,

 ug/L ug/L ug/L ug/L ug/L ug/L ug/L ug/L ug/L ug/L ug/L ug/L ug/L

 (62166) (04095) (39341) (82666) (39532) (82686) (82667) (39415) (82630) (82671) (82684) (34653) (39542)

 

DEC

 12... <.007 <.003 <.004 <.035 <.027 <.050 <.006 <.013 <.006 <.002 <.007 <.003 <.010

FEB

 05... -- -- -- -- -- -- -- -- -- -- -- -- --

APR

 03... <.007 <.003 <.004 <.035 <.027 <.050 <.006 <.013 <.006 <.002 <.007 <.003 <.010

JUN

 11... -- -- -- -- -- -- -- -- -- -- -- -- --

AUG

 06... E.171 .100 .099 .125 .133 E.156 .125 .123 .101 .110 .103 .069 .136

 Pendi- cis-

 Peb- meth- Per- Propy- Pro- Propar- Tebu- Terba- Terbu-

 ulate, alin, methrin Phorate Prome- zamide, Propa- panil, gite, Sima- thiuron cil, fos,

 water, water, water water ton, water, chlor, water, water, zine, water water, water,

 fltrd fltrd fltrd fltrd water, fltrd water, fltrd fltrd water, fltrd fltrd fltrd

 Date 0.7u GF 0.7u GF 0.7u GF 0.7u GF fltrd, 0.7u GF fltrd, 0.7u GF 0.7u GF fltrd, 0.7u GF 0.7u GF 0.7u GF

 ug/L ug/L ug/L ug/L ug/L ug/L ug/L ug/L ug/L ug/L ug/L ug/L ug/L

 (82669) (82683) (82687) (82664) (04037) (82676) (04024) (82679) (82685) (04035) (82670) (82665) (82675)

 

DEC

 12... <.004 <.022 <.006 <.011 <.01 <.004 <.010 <.011 <.02 <.005 <.02 <.034 <.02

FEB

 05... -- -- -- -- -- -- -- -- -- -- -- -- --

APR

 03... <.004 <.022 <.006 <.011 <.01 <.004 <.010 <.011 <.02 <.005 <.02 <.034 <.02

JUN

 11... -- -- -- -- -- -- -- -- -- -- -- -- --

AUG

 06... .110 .102 .068 .109 .12 .106 .111 .125 .14 .145 E.16 E.110 .09

 Tri- Sus-

 Thio- Tri- flur- pended

 bencarb allate, alin, sedi- Stream-

 water water, water, ment flow

 fltrd fltrd fltrd concen- sever-

 Date 0.7u GF 0.7u GF 0.7u GF tration ity,

 ug/L ug/L ug/L mg/L code

 (82681) (82678) (82661) (80154) (01351)

 

 DEC

 12... <.005 <.002 <.009 116 5

 FEB

 05... -- -- -- 6 3

 APR

 03... <.005 <.002 <.009 9 3

 JUN

 11... -- -- -- 13 2

 AUG

 06... .119 .108 .079 12 3

 

 Remark codes used in this table:

 < -- Less than

 E -- Estimated value
68 Streamflow, Water-Quality, and Biological Data for Three Tributaries to Lake Houston Near Houston, Texas, 2002–04

Table 5. Routinely sampled water-quality data for selected sites in Lake Creek, Peach Creek, and Caney Creek, Texas, water years 2003–

04—Continued. 

 Caney Creek—Continued

 08070495 Caney Creek near Cut And Shoot, TX (CANEY3)—Continued

 WATER-QUALITY DATA, WATER YEAR OCTOBER 2003 TO SEPTEMBER 2004

 

 Alka-

 Dis- pH, Specif. linity,

 Instan- Baro- solved water, conduc- wat flt taneous metric Dis- oxygen, unfltrd tance, Temper- Temper- inc tit

 dis- pres- solved percent field, wat unf ature, ature, field,

 Date Station number Date Time charge, sure, oxygen, of sat- std uS/cm air, water, mg/L as

 cfs mm Hg mg/L uration units 25 degC deg C deg C CaCO3

 (00061) (00025) (00300) (00301) (00400) (00095) (00020) (00010) (39086)

 

NOV

 13... 08070495 20031113 1234 24 769 5.4 58 6.2 115 21.7 20.0 23

JAN

 08... 08070495 20040108 1035 36 761 10.2 92 6.8 150 10.0 10.8 28

MAR

 11... 08070495 20040311 1020 65 765 9.4 94 6.4 157 18.0 15.5 38

JUN

 03... 08070495 20040603 1142 34 762 7.3 86 6.7 130 25.5 23.5 26

 Bicar- Carbon- Residue Ammonia Nitrite Ortho-

 bonate, ate, on + + Organic phos- BOD,

 wat flt wat flt Chlor- evap. org-N, Ammonia nitrate Nitrite nitro- phate, Phos- water,

 incrm. incrm. ide, Sulfate at water, water, water water, gen, water, phorus, unfltrd

 titr., titr., water, water, 180degC unfltrd unfltrd fltrd, fltrd, water, fltrd, water, 5 day,

 Date field, field, fltrd, fltrd, wat flt mg/L mg/L mg/L mg/L unfltrd mg/L unfltrd 20 degC

 mg/L mg/L mg/L mg/L mg/L as N as N as N as N mg/L as P mg/L mg/L

 (00453) (00452) (00940) (00945) (70300) (00625) (00610) (00631) (00613) (00605) (00671) (00665) (00310)

 

NOV

 13... 28 .0 15.0 2.7 70 .29 <.01 .396 .002 -- E.003n <.04 1.1

JAN

 08... 35 .0 18.0 3.8 92 .24 .02 .420 .002 .22 E.005n E.03n .9

MAR

 11... 47 .0 16.6 4.2 98 .40 .01 .324 .002 .39 <.006 E.03n .8

JUN

 03... 32 .0 14.7 2.9 85 .23 .02 .493 .003 .20 E.003n <.04 .9

 Pheo- Chloro- 2,6-Di- Ben-

 phytin phyll a E coli, ethyl- flur- Car- Carbo-

 a, phyto- m-TEC aniline Aceto- Ala- alpha- Atra- alin, Butyl- baryl, furan,

 phyto- plank- MF, water CIAT, chlor, chlor, HCH, zine, water, ate, water, water,

 plank- ton, water, fltrd water, water, water, water, water, fltrd water, fltrd fltrd

 Date ton, fluoro, col/ 0.7u GF fltrd, fltrd, fltrd, fltrd, fltrd, 0.7u GF fltrd, 0.7u GF 0.7u GF

 ug/L ug/L 100 mL ug/L ug/L ug/L ug/L ug/L ug/L ug/L ug/L ug/L ug/L

 (62360) (70953) (31633) (82660) (04040) (49260) (46342) (34253) (39632) (82673) (04028) (82680) (82674)

 

NOV

 13... .5 .5 100 <.006 <.006 <.006 <.005 <.005 <.007 <.010 <.004 <.041 <.020

JAN

 08... 1.1 .8 150 -- -- -- -- -- -- -- -- -- --

MAR

 11... .7 .5 92 <.006 <.006 <.006 <.005 <.005 .017 <.010 <.004 <.041 <.020

JUN

 03... .5 .3 88 -- -- -- -- -- -- -- -- -- --

 Desulf- Ethal- Desulf-

 inyl Disul- flur- Etho- inyl- Fipro- Fipro-

 Chlor- Cyana- DCPA, fipro- Diazi- Diel- foton, EPTC, alin, prop, fipro- nil nil

 pyrifos zine, water nil, non, drin, water, water, water, water, nil sulfide sulfone

 water, water, fltrd water, water, water, fltrd fltrd fltrd fltrd amide, water, water,

 Date fltrd, fltrd, 0.7u GF fltrd, fltrd, fltrd, 0.7u GF 0.7u GF 0.7u GF 0.7u GF wat flt fltrd, fltrd, ug/L ug/L ug/L ug/L ug/L ug/L ug/L ug/L ug/L ug/L ug/L ug/L ug/L

 (38933) (04041) (82682) (62170) (39572) (39381) (82677) (82668) (82663) (82672) (62169) (62167) (62168)

 

NOV

 13... <.005 <.018 <.003 <.012 <.005 <.009 <.02 <.004 <.009 <.005 <.029 <.013 <.024

JAN

 08... -- -- -- -- -- -- -- -- -- -- -- -- --

MAR

 11... <.005 <.018 <.003 <.012 <.005 <.009 <.02 <.004 <.009 <.005 <.029 <.013 <.024

JUN

 03... -- -- -- -- -- -- -- -- -- -- -- -- --
Table 5 69

Table 5. Routinely sampled water-quality data for selected sites in Lake Creek, Peach Creek, and Caney Creek, Texas, water years 2003–

04—Continued. 

 Caney Creek—Continued

 08070495 Caney Creek near Cut And Shoot, TX (CANEY3)—Continued

 WATER-QUALITY DATA, WATER YEAR OCTOBER 2003 TO SEPTEMBER 2004—Continued

 

 Azin- Methyl

 phos- para- Moli- Naprop-

 Fipro- Linuron Mala- methyl, thion, Metola- Metri- nate, amide, p,p'- Para-

 nil, Fonofos Lindane water thion, water, water, chlor, buzin, water, water, DDE, thion,

 water, water, water, fltrd water, fltrd fltrd water, water, fltrd fltrd water, water,

 Date fltrd, fltrd, fltrd, 0.7u GF fltrd, 0.7u GF 0.7u GF fltrd, fltrd, 0.7u GF 0.7u GF fltrd, fltrd,

 ug/L ug/L ug/L ug/L ug/L ug/L ug/L ug/L ug/L ug/L ug/L ug/L ug/L

 (62166) (04095) (39341) (82666) (39532) (82686) (82667) (39415) (82630) (82671) (82684) (34653) (39542)

 

NOV

 13... <.016 <.003 <.004 <.035 <.027 <.050 <.015 <.013 <.006 <.003 <.007 <.003 <.010

JAN

 08... -- -- -- -- -- -- -- -- -- -- -- -- --

MAR

 11... <.016 <.003 <.004 <.035 <.027 <.050 <.015 <.013 <.006 <.003 <.007 <.003 <.010

JUN

 03... -- -- -- -- -- -- -- -- -- -- -- -- --

 Pendi- cis-

 Peb- meth- Per- Propy- Pro- Propar- Tebu- Terba- Terbu-

 ulate, alin, methrin Phorate Prome- zamide, Propa- panil, gite, Sima- thiuron cil, fos,

 water, water, water water ton, water, chlor, water, water, zine, water water, water,

 fltrd fltrd fltrd fltrd water, fltrd water, fltrd fltrd water, fltrd fltrd fltrd

 Date 0.7u GF 0.7u GF 0.7u GF 0.7u GF fltrd, 0.7u GF fltrd, 0.7u GF 0.7u GF fltrd, 0.7u GF 0.7u GF 0.7u GF

 ug/L ug/L ug/L ug/L ug/L ug/L ug/L ug/L ug/L ug/L ug/L ug/L ug/L

 (82669) (82683) (82687) (82664) (04037) (82676) (04024) (82679) (82685) (04035) (82670) (82665) (82675)

 

NOV

 13... <.004 <.022 <.006 <.011 <.01 <.004 <.025 <.011 <.02 <.005 <.02 <.034 <.02

JAN

 08... -- -- -- -- -- -- -- -- -- -- -- -- --

MAR

 11... <.004 <.022 <.006 <.011 <.01 <.004 <.025 <.011 <.02 <.005 <.02 <.034 <.02

JUN

 03... -- -- -- -- -- -- -- -- -- -- -- -- --

 Tri- Sus-

 Thio- Tri- flur- pended

 bencarb allate, alin, sedi- Stream-

 water water, water, ment flow

 fltrd fltrd fltrd concen- sever-

 Date 0.7u GF 0.7u GF 0.7u GF tration ity,

 ug/L ug/L ug/L mg/L code

 (82681) (82678) (82661) (80154) (01351)

 

 NOV

 13... <.010 <.002 <.009 7 3

 JAN

 08... -- -- -- 5 3

 MAR

 11... <.010 <.002 <.009 12 3

 JUN

 03... -- -- -- 9 3

 

 Remark codes used in this table:

 < -- Less than

 E -- Estimated value

 Value qualifier codes used in this table:

 n -- Below the LRL and above the LT-MDL
70 Streamflow, Water-Quality, and Biological Data for Three Tributaries to Lake Houston Near Houston, Texas, 2002–04

Table 5. Routinely sampled water-quality data for selected sites in Lake Creek, Peach Creek, and Caney Creek, Texas, water years 2003–

04—Continued. 

 Caney Creek—Continued

 08070500 Caney Ck nr Splendora, TX (CANEY2)

 WATER-QUALITY DATA, WATER YEAR OCTOBER 2002 TO SEPTEMBER 2003

 

 Alka-

 Dis- pH, Specif. linity,

 Instan- Baro- solved water, conduc- wat flt taneous metric Dis- oxygen, unfltrd tance, Temper- Temper- inc tit

 dis- pres- solved percent field, wat unf ature, ature, field,

 Date Station number Date Time charge, sure, oxygen, of sat- std uS/cm air, water, mg/L as

 cfs mm Hg mg/L uration units 25 degC deg C deg C CaCO3

 (00061) (00025) (00300) (00301) (00400) (00095) (00020) (00010) (39086)

 

DEC

 12... 08070500 20021212 1652 382 760 10.1 92 6.6 98 13.3 11.3 20

FEB

 05... 08070500 20030205 0928 53 763 9.8 92 7.2 150 11.0 12.6 32

APR

 03... 08070500 20030403 0932 44 761 8.8 91 7.0 150 23.0 16.6 34

JUN

 11... 08070500 20030611 0840 17 757 7.4 90 6.7 122 29.5 25.1 22

AUG

 06... 08070500 20030806 1054 24 760 7.5 94 6.7 107 32.0 26.6 20

 Bicar- Carbon- Residue Ammonia Nitrite Ortho-

 bonate, ate, on + + Organic phos- BOD,

 wat flt wat flt Chlor- evap. org-N, Ammonia nitrate Nitrite nitro- phate, Phos- water,

 incrm. incrm. ide, Sulfate at water, water, water water, gen, water, phorus, unfltrd

 titr., titr., water, water, 180degC unfltrd unfltrd fltrd, fltrd, water, fltrd, water, 5 day, Date field, field, fltrd, fltrd, wat flt mg/L mg/L mg/L mg/L unfltrd mg/L unfltrd 20 degC

 mg/L mg/L mg/L mg/L mg/L as N as N as N as N mg/L as P mg/L mg/L

 (00453) (00452) (00940) (00945) (70300) (00625) (00610) (00631) (00613) (00605) (00671) (00665) (00310)

 

DEC

 12... 24 .0 9.12 3.8 84 .95 .13 .134 .003 .82 E.006 .11 2.5

FEB

 05... 38 .0 17.3 4.1 90 .23 <.01 .298 <.002 -- <.007 E.02 .7

APR

 03... 41 .0 15.5 3.8 89 .25 .01 .365 .003 .24 <.007 E.04 2.8

JUN

 11... 27 .0 14.6 2.7 66 .25 .02 .274 E.002 .23 <.007 E.03 .8

AUG

 06... 25 .0 13.7 2.7 79 .20 <.01 .374 .008 -- <.007 <.04 1.0

 Pheo- Chloro- 2,6-Di- Ben-

 phytin phyll a E coli, ethyl- flur- Car- Carbo-

 a, phyto- m-TEC aniline Aceto- Ala- alpha- Atra- alin, Butyl- baryl, furan,

 phyto- plank- MF, water CIAT, chlor, chlor, HCH, zine, water, ate, water, water,

 plank- ton, water, fltrd water, water, water, water, water, fltrd water, fltrd fltrd

 Date ton, fluoro, col/ 0.7u GF fltrd, fltrd, fltrd, fltrd, fltrd, 0.7u GF fltrd, 0.7u GF 0.7u GF

 ug/L ug/L 100 mL ug/L ug/L ug/L ug/L ug/L ug/L ug/L ug/L ug/L ug/L

 (62360) (70953) (31633) (82660) (04040) (49260) (46342) (34253) (39632) (82673) (04028) (82680) (82674)

 

DEC

 12... 6.6 19.0 580 <.006 <.006 <.006 <.004 <.005 <.007 <.010 <.002 <.041 <.020

FEB

 05... E1.3 E1.5 88 -- -- -- -- -- -- -- -- -- --

APR

 03... -- -- 210 <.006 <.006 <.006 <.004 <.005 .012 <.010 <.002 <.041 <.020

JUN

 11... 1.8 1.9 68 -- -- -- -- -- -- -- -- -- --

AUG

 06... .8 .8 140 .113 E.054 .122 .113 .107 .118 .090 .101 E.135 E.151

 Desulf- Ethal- Desulf-

 inyl Disul- flur- Etho- inyl- Fipro- Fipro-

 Chlor- Cyana- DCPA, fipro- Diazi- Diel- foton, EPTC, alin, prop, fipro- nil nil

 pyrifos zine, water nil, non, drin, water, water, water, water, nil sulfide sulfone

 water, water, fltrd water, water, water, fltrd fltrd fltrd fltrd amide, water, water,

 Date fltrd, fltrd, 0.7u GF fltrd, fltrd, fltrd, 0.7u GF 0.7u GF 0.7u GF 0.7u GF wat flt fltrd, fltrd,

 ug/L ug/L ug/L ug/L ug/L ug/L ug/L ug/L ug/L ug/L ug/L ug/L ug/L

 (38933) (04041) (82682) (62170) (39572) (39381) (82677) (82668) (82663) (82672) (62169) (62167) (62168)

 

DEC

 12... <.005 <.018 <.003 <.004 <.005 <.005 <.02 <.002 <.009 <.005 <.009 <.005 <.005

FEB

 05... -- -- -- -- -- -- -- -- -- -- -- -- --

APR

 03... <.005 <.018 <.003 <.004 <.005 <.005 <.02 <.002 <.009 <.005 <.009 <.005 <.005

JUN

 11... -- -- -- -- -- -- -- -- -- -- -- -- --

AUG

 06... .111 .090 .115 .112 .117 .116 .08 .109 .082 .112 E.155 .102 .086
Table 5 71

Table 5. Routinely sampled water-quality data for selected sites in Lake Creek, Peach Creek, and Caney Creek, Texas, water years 2003–

04—Continued. 

 Caney Creek—Continued

 08070500 Caney Ck nr Splendora, TX (CANEY2)—Continued

 WATER-QUALITY DATA, WATER YEAR OCTOBER 2002 TO SEPTEMBER 2003—Continued

 

 Azin- Methyl

 phos- para- Moli- Naprop-

 Fipro- Linuron Mala- methyl, thion, Metola- Metri- nate, amide, p,p'- Para-

 nil, Fonofos Lindane water thion, water, water, chlor, buzin, water, water, DDE, thion,

 water, water, water, fltrd water, fltrd fltrd water, water, fltrd fltrd water, water,

 Date fltrd, fltrd, fltrd, 0.7u GF fltrd, 0.7u GF 0.7u GF fltrd, fltrd, 0.7u GF 0.7u GF fltrd, fltrd,

 ug/L ug/L ug/L ug/L ug/L ug/L ug/L ug/L ug/L ug/L ug/L ug/L ug/L

 (62166) (04095) (39341) (82666) (39532) (82686) (82667) (39415) (82630) (82671) (82684) (34653) (39542)

 

DEC

 12... <.007 <.003 <.004 <.035 <.027 <.050 <.006 <.013 <.006 <.002 <.007 <.003 <.010

FEB

 05... -- -- -- -- -- -- -- -- -- -- -- -- --

APR

 03... <.007 <.003 <.004 <.035 <.027 <.050 <.006 <.013 <.006 <.002 <.007 <.003 <.010

JUN

 11... -- -- -- -- -- -- -- -- -- -- -- -- --

AUG

 06... E.170 .101 .088 .148 .138 E.163 .143 .122 .093 .123 .113 .071 .145

 Pendi- cis-

 Peb- meth- Per- Propy- Pro- Propar- Tebu- Terba- Terbu-

 ulate, alin, methrin Phorate Prome- zamide, Propa- panil, gite, Sima- thiuron cil, fos,

 water, water, water water ton, water, chlor, water, water, zine, water water, water,

 fltrd fltrd fltrd fltrd water, fltrd water, fltrd fltrd water, fltrd fltrd fltrd

 Date 0.7u GF 0.7u GF 0.7u GF 0.7u GF fltrd, 0.7u GF fltrd, 0.7u GF 0.7u GF fltrd, 0.7u GF 0.7u GF 0.7u GF

 ug/L ug/L ug/L ug/L ug/L ug/L ug/L ug/L ug/L ug/L ug/L ug/L ug/L

 (82669) (82683) (82687) (82664) (04037) (82676) (04024) (82679) (82685) (04035) (82670) (82665) (82675)

 

DEC

 12... <.004 <.022 <.006 <.011 <.01 <.004 <.010 <.011 <.02 <.005 <.02 <.034 <.02

FEB

 05... -- -- -- -- -- -- -- -- -- -- -- -- --

APR

 03... <.004 <.022 <.006 <.011 <.01 <.004 <.010 <.011 <.02 <.005 <.02 <.034 <.02

JUN

 11... -- -- -- -- -- -- -- -- -- -- -- -- --

AUG

 06... .106 .132 .067 .112 .12 .111 .128 .117 .14 .158 E.17 E.103 .11

 Tri- Sus-

 Thio- Tri- flur- pended

 bencarb allate, alin, sedi- Stream-

 water water, water, ment flow

 fltrd fltrd fltrd concen- sever-

 Date 0.7u GF 0.7u GF 0.7u GF tration ity,

 ug/L ug/L ug/L mg/L code

 (82681) (82678) (82661) (80154) (01351)

 

 DEC

 12... <.005 <.002 <.009 284 5

 FEB

 05... -- -- -- 7 3

 APR

 03... <.005 <.002 <.009 10 3

 JUN

 11... -- -- -- 13 2

 AUG

 06... .119 .114 .093 13 3

 

 Remark codes used in this table:

 < -- Less than

 E -- Estimated value
72 Streamflow, Water-Quality, and Biological Data for Three Tributaries to Lake Houston Near Houston, Texas, 2002–04

Table 5. Routinely sampled water-quality data for selected sites in Lake Creek, Peach Creek, and Caney Creek, Texas, water years 2003–

04—Continued. 

 Caney Creek—Continued

 08070500 Caney Ck nr Splendora, TX (CANEY2)—Continued

 WATER-QUALITY DATA, WATER YEAR OCTOBER 2003 TO SEPTEMBER 2004

 

 Alka-

 Dis- pH, Specif. linity,

 Instan- Baro- solved water, conduc- wat flt taneous metric Dis- oxygen, unfltrd tance, Temper- Temper- inc tit

 dis- pres- solved percent field, wat unf ature, ature, field,

 Date Station number Date Time charge, sure, oxygen, of sat- std uS/cm air, water, mg/L as

 cfs mm Hg mg/L uration units 25 degC deg C deg C CaCO3

 (00061) (00025) (00300) (00301) (00400) (00095) (00020) (00010) (39086)

 

NOV

 13... 08070500 20031113 1202 29 766 6.5 71 6.7 116 21.5 20.0 22

JAN

 08... 08070500 20040108 0945 61 761 11.2 99 7.0 154 10.0 10.0 28

MAR

 11... 08070500 20040311 0925 74 767 9.7 96 6.2 155 16.0 15.1 40

JUN

 03... 08070500 20040603 1215 34 762 7.6 91 7.1 130 27.0 24.1 26

 Bicar- Carbon- Residue Ammonia Nitrite Ortho-

 bonate, ate, on + + Organic phos- BOD,

 wat flt wat flt Chlor- evap. org-N, Ammonia nitrate Nitrite nitro- phate, Phos- water,

 incrm. incrm. ide, Sulfate at water, water, water water, gen, water, phorus, unfltrd

 titr., titr., water, water, 180degC unfltrd unfltrd fltrd, fltrd, water, fltrd, water, 5 day,

 Date field, field, fltrd, fltrd, wat flt mg/L mg/L mg/L mg/L unfltrd mg/L unfltrd 20 degC

 mg/L mg/L mg/L mg/L mg/L as N as N as N as N mg/L as P mg/L mg/L

 (00453) (00452) (00940) (00945) (70300) (00625) (00610) (00631) (00613) (00605) (00671) (00665) (00310)

 

NOV

 13... 27 .0 15.2 2.8 72 .19 <.01 .325 .002 -- E.003n <.04 1.0

JAN

 08... 34 .0 18.3 3.8 86 .27 .01 .362 E.001n .26 <.006 E.03n .7

MAR

 11... 48 .0 16.9 4.5 100 .45 .02 .297 .002 .43 <.006 E.04n 1.0

JUN

 03... 32 .0 14.7 3.1 84 .21 .02 .394 .003 .19 E.004n E.02n .8

 Pheo- Chloro- 2,6-Di- Ben-

 phytin phyll a E coli, ethyl- flur- Car- Carbo-

 a, phyto- m-TEC aniline Aceto- Ala- alpha- Atra- alin, Butyl- baryl, furan,

 phyto- plank- MF, water CIAT, chlor, chlor, HCH, zine, water, ate, water, water,

 plank- ton, water, fltrd water, water, water, water, water, fltrd water, fltrd fltrd

 Date ton, fluoro, col/ 0.7u GF fltrd, fltrd, fltrd, fltrd, fltrd, 0.7u GF fltrd, 0.7u GF 0.7u GF

 ug/L ug/L 100 mL ug/L ug/L ug/L ug/L ug/L ug/L ug/L ug/L ug/L ug/L

 (62360) (70953) (31633) (82660) (04040) (49260) (46342) (34253) (39632) (82673) (04028) (82680) (82674)

 

NOV

 13... .6 .5 88 <.006 <.006 <.006 <.005 <.005 <.007 <.010 <.004 <.041 <.020

JAN

 08... .7 .6 170 -- -- -- -- -- -- -- -- -- --

MAR

 11... .5 .4 40 <.006 <.006 <.006 <.005 <.005 .022 <.010 <.004 <.041 <.020

JUN

 03... .6 .8 80 -- -- -- -- -- -- -- -- -- --

 Desulf- Ethal- Desulf-

 inyl Disul- flur- Etho- inyl- Fipro- Fipro-

 Chlor- Cyana- DCPA, fipro- Diazi- Diel- foton, EPTC, alin, prop, fipro- nil nil

 pyrifos zine, water nil, non, drin, water, water, water, water, nil sulfide sulfone

 water, water, fltrd water, water, water, fltrd fltrd fltrd fltrd amide, water, water,

 Date fltrd, fltrd, 0.7u GF fltrd, fltrd, fltrd, 0.7u GF 0.7u GF 0.7u GF 0.7u GF wat flt fltrd, fltrd, ug/L ug/L ug/L ug/L ug/L ug/L ug/L ug/L ug/L ug/L ug/L ug/L ug/L

 (38933) (04041) (82682) (62170) (39572) (39381) (82677) (82668) (82663) (82672) (62169) (62167) (62168)

 

NOV

 13... <.005 <.018 <.003 <.012 <.005 <.009 <.02 <.004 <.009 <.005 <.029 <.013 <.024

JAN

 08... -- -- -- -- -- -- -- -- -- -- -- -- --

MAR

 11... <.005 <.018 <.003 <.012 <.005 <.009 <.02 <.004 <.009 <.005 <.029 <.013 <.024

JUN

 03... -- -- -- -- -- -- -- -- -- -- -- -- --
Table 5 73

Table 5. Routinely sampled water-quality data for selected sites in Lake Creek, Peach Creek, and Caney Creek, Texas, water years 2003–

04—Continued. 

 Caney Creek—Continued

 08070500 Caney Ck nr Splendora, TX (CANEY2)—Continued

 WATER-QUALITY DATA, WATER YEAR OCTOBER 2003 TO SEPTEMBER 2004—Continued

 

 Azin- Methyl

 phos- para- Moli- Naprop-

 Fipro- Linuron Mala- methyl, thion, Metola- Metri- nate, amide, p,p'- Para-

 nil, Fonofos Lindane water thion, water, water, chlor, buzin, water, water, DDE, thion,

 water, water, water, fltrd water, fltrd fltrd water, water, fltrd fltrd water, water,

 Date fltrd, fltrd, fltrd, 0.7u GF fltrd, 0.7u GF 0.7u GF fltrd, fltrd, 0.7u GF 0.7u GF fltrd, fltrd,

 ug/L ug/L ug/L ug/L ug/L ug/L ug/L ug/L ug/L ug/L ug/L ug/L ug/L

 (62166) (04095) (39341) (82666) (39532) (82686) (82667) (39415) (82630) (82671) (82684) (34653) (39542)

 

NOV

 13... <.016 <.003 <.004 <.035 <.027 <.050 <.015 <.013 <.006 <.003 <.007 <.003 <.010

JAN

 08... -- -- -- -- -- -- -- -- -- -- -- -- --

MAR

 11... <.016 <.003 <.004 <.035 <.027 <.050 <.015 <.013 <.006 <.003 <.007 <.003 <.010

JUN

 03... -- -- -- -- -- -- -- -- -- -- -- -- --

 Pendi- cis-

 Peb- meth- Per- Propy- Pro- Propar- Tebu- Terba- Terbu-

 ulate, alin, methrin Phorate Prome- zamide, Propa- panil, gite, Sima- thiuron cil, fos,

 water, water, water water ton, water, chlor, water, water, zine, water water, water,

 fltrd fltrd fltrd fltrd water, fltrd water, fltrd fltrd water, fltrd fltrd fltrd

 Date 0.7u GF 0.7u GF 0.7u GF 0.7u GF fltrd, 0.7u GF fltrd, 0.7u GF 0.7u GF fltrd, 0.7u GF 0.7u GF 0.7u GF

 ug/L ug/L ug/L ug/L ug/L ug/L ug/L ug/L ug/L ug/L ug/L ug/L ug/L

 (82669) (82683) (82687) (82664) (04037) (82676) (04024) (82679) (82685) (04035) (82670) (82665) (82675)

 

NOV

 13... <.004 <.022 <.006 <.011 <.01 <.004 <.025 <.011 <.02 <.005 <.02 <.034 <.02

JAN

 08... -- -- -- -- -- -- -- -- -- -- -- -- --

MAR

 11... <.004 <.022 <.006 <.011 <.01 <.004 <.025 <.011 <.02 <.005 <.02 <.034 <.02

JUN

 03... -- -- -- -- -- -- -- -- -- -- -- -- --

 Tri- Sus-

 Thio- Tri- flur- pended

 bencarb allate, alin, sedi- Stream-

 water water, water, ment flow

 fltrd fltrd fltrd concen- sever-

 Date 0.7u GF 0.7u GF 0.7u GF tration ity,

 ug/L ug/L ug/L mg/L code

 (82681) (82678) (82661) (80154) (01351)

 

 NOV

 13... <.010 <.002 <.009 7 3

 JAN

 08... -- -- -- 4 3

 MAR

 11... <.010 <.002 <.009 13 3

 JUN

 03... -- -- -- 10 3

 

 Remark codes used in this table:

 < -- Less than

 E -- Estimated value

 Value qualifier codes used in this table:

 n -- Below the LRL and above the LT-MDL
74 Streamflow, Water-Quality, and Biological Data for Three Tributaries to Lake Houston Near Houston, Texas, 2002–04

Table 5. Routinely sampled water-quality data for selected sites in Lake Creek, Peach Creek, and Caney Creek, Texas, water years 2003–

04—Continued. 

 Caney Creek—Continued

 08070600 Caney Ck nr New Caney, TX (CANEY1)

 WATER-QUALITY DATA, WATER YEAR OCTOBER 2002 TO SEPTEMBER 2003

 

 Alka-

 Dis- pH, Specif. linity,

 Instan- Baro- solved water, conduc- wat flt taneous metric Dis- oxygen, unfltrd tance, Temper- Temper- inc tit

 dis- pres- solved percent field, wat unf ature, ature, field,

 Date Station number Date Time charge, sure, oxygen, of sat- std uS/cm air, water, mg/L as

 cfs mm Hg mg/L uration units 25 degC deg C deg C CaCO3

 (00061) (00025) (00300) (00301) (00400) (00095) (00020) (00010) (39086)

 

DEC

 12... 08070600 20021212 0950 148 768 10.2 91 7.2 148 17.0 10.7 35

FEB

 05... 08070600 20030205 1252 51 764 10.9 101 7.3 160 11.0 12.0 30

APR

 03... 08070600 20030403 1315 52 761 9.4 102 7.2 161 24.0 18.9 38

JUN

 11... 08070600 20030611 1115 20 759 7.3 92 7.0 131 31.0 27.1 27

AUG

 06... 08070600 20030806 0850 29 762 7.2 90 6.8 105 28.0 27.2 26

 Bicar- Carbon- Residue Ammonia Nitrite Ortho-

 bonate, ate, on + + Organic phos- BOD,

 wat flt wat flt Chlor- evap. org-N, Ammonia nitrate Nitrite nitro- phate, Phos- water,

 incrm. incrm. ide, Sulfate at water, water, water water, gen, water, phorus, unfltrd

 titr., titr., water, water, 180degC unfltrd unfltrd fltrd, fltrd, water, fltrd, water, 5 day, Date field, field, fltrd, fltrd, wat flt mg/L mg/L mg/L mg/L unfltrd mg/L unfltrd 20 degC

 mg/L mg/L mg/L mg/L mg/L as N as N as N as N mg/L as P mg/L mg/L

 (00453) (00452) (00940) (00945) (70300) (00625) (00610) (00631) (00613) (00605) (00671) (00665) (00310)

 

DEC

 12... 43 .0 12.2 5.5 111 .70 .04 .184 .004 .66 .015 .08 2.0

FEB

 05... 37 .0 18.3 5.7 102 .24 <.01 .267 E.002 -- <.007 E.03 .7

APR

 03... 46 .0 16.9 5.7 97 .30 .01 .328 .003 .29 <.007 E.04 3.0

JUN

 11... 33 .0 15.1 4.5 74 .23 .02 .126 .003 .21 <.007 E.03 1.0

AUG

 06... 32 .0 14.6 4.1 76 .18 <.01 .229 .003 -- <.007 <.04 .7

 Pheo- Chloro- 2,6-Di- Ben-

 phytin phyll a E coli, ethyl- flur- Car- Carbo-

 a, phyto- m-TEC aniline Aceto- Ala- alpha- Atra- alin, Butyl- baryl, furan,

 phyto- plank- MF, water CIAT, chlor, chlor, HCH, zine, water, ate, water, water,

 plank- ton, water, fltrd water, water, water, water, water, fltrd water, fltrd fltrd

 Date ton, fluoro, col/ 0.7u GF fltrd, fltrd, fltrd, fltrd, fltrd, 0.7u GF fltrd, 0.7u GF 0.7u GF

 ug/L ug/L 100 mL ug/L ug/L ug/L ug/L ug/L ug/L ug/L ug/L ug/L ug/L

 (62360) (70953) (31633) (82660) (04040) (49260) (46342) (34253) (39632) (82673) (04028) (82680) (82674)

 

DEC

 12... 1.8 1.2 210 <.006 <.006 <.006 <.004 <.005 .008 <.010 <.002 <.041 <.020

FEB

 05... E1.3 E1.7 120 -- -- -- -- -- -- -- -- -- --

APR

 03... -- -- 120 <.006 <.006 <.006 <.004 <.005 .014 <.010 <.002 <.041 <.020

JUN

 11... 3.4 1.9 60 -- -- -- -- -- -- -- -- -- --

AUG

 06... 1.9 .8 130 .116 E.048 .130 .116 .110 .121 .099 .101 E.138 E.151

 Desulf- Ethal- Desulf-

 inyl Disul- flur- Etho- inyl- Fipro- Fipro-

 Chlor- Cyana- DCPA, fipro- Diazi- Diel- foton, EPTC, alin, prop, fipro- nil nil

 pyrifos zine, water nil, non, drin, water, water, water, water, nil sulfide sulfone

 water, water, fltrd water, water, water, fltrd fltrd fltrd fltrd amide, water, water,

 Date fltrd, fltrd, 0.7u GF fltrd, fltrd, fltrd, 0.7u GF 0.7u GF 0.7u GF 0.7u GF wat flt fltrd, fltrd,

 ug/L ug/L ug/L ug/L ug/L ug/L ug/L ug/L ug/L ug/L ug/L ug/L ug/L

 (38933) (04041) (82682) (62170) (39572) (39381) (82677) (82668) (82663) (82672) (62169) (62167) (62168)

 

DEC

 12... <.005 <.018 <.003 <.004 .014 <.005 <.02 <.002 <.009 <.005 <.009 <.005 <.005

FEB

 05... -- -- -- -- -- -- -- -- -- -- -- -- --

APR

 03... <.005 <.018 <.003 <.004 <.005 <.005 <.02 <.002 <.009 <.005 <.009 <.005 <.005

JUN

 11... -- -- -- -- -- -- -- -- -- -- -- -- --

AUG

 06... .115 .100 .119 .122 .121 .120 .08 .160 .092 .128 E.163 .116 .098
Table 5 75

Table 5. Routinely sampled water-quality data for selected sites in Lake Creek, Peach Creek, and Caney Creek, Texas, water years 2003–

04—Continued. 

 Caney Creek—Continued

 08070600 Caney Ck nr New Caney, TX (CANEY1)—Continued

 WATER-QUALITY DATA, WATER YEAR OCTOBER 2002 TO SEPTEMBER 2003—Continued

 

 Azin- Methyl

 phos- para- Moli- Naprop-

 Fipro- Linuron Mala- methyl, thion, Metola- Metri- nate, amide, p,p'- Para-

 nil, Fonofos Lindane water thion, water, water, chlor, buzin, water, water, DDE, thion,

 water, water, water, fltrd water, fltrd fltrd water, water, fltrd fltrd water, water,

 Date fltrd, fltrd, fltrd, 0.7u GF fltrd, 0.7u GF 0.7u GF fltrd, fltrd, 0.7u GF 0.7u GF fltrd, fltrd,

 ug/L ug/L ug/L ug/L ug/L ug/L ug/L ug/L ug/L ug/L ug/L ug/L ug/L

 (62166) (04095) (39341) (82666) (39532) (82686) (82667) (39415) (82630) (82671) (82684) (34653) (39542)

 

DEC

 12... <.007 <.003 <.004 <.035 <.027 <.050 <.006 <.013 <.006 <.002 <.007 <.003 <.010

FEB

 05... -- -- -- -- -- -- -- -- -- -- -- -- --

APR

 03... <.007 <.003 <.004 <.035 <.027 <.050 <.006 <.013 <.006 <.002 <.007 <.003 <.010

JUN

 11... -- -- -- -- -- -- -- -- -- -- -- -- --

AUG

 06... E.192 .111 .104 .152 .147 E.158 .120 .128 .122 .130 .112 .069 .127

 Pendi- cis-

 Peb- meth- Per- Propy- Pro- Propar- Tebu- Terba- Terbu-

 ulate, alin, methrin Phorate Prome- zamide, Propa- panil, gite, Sima- thiuron cil, fos,

 water, water, water water ton, water, chlor, water, water, zine, water water, water,

 fltrd fltrd fltrd fltrd water, fltrd water, fltrd fltrd water, fltrd fltrd fltrd

 Date 0.7u GF 0.7u GF 0.7u GF 0.7u GF fltrd, 0.7u GF fltrd, 0.7u GF 0.7u GF fltrd, 0.7u GF 0.7u GF 0.7u GF

 ug/L ug/L ug/L ug/L ug/L ug/L ug/L ug/L ug/L ug/L ug/L ug/L ug/L

 (82669) (82683) (82687) (82664) (04037) (82676) (04024) (82679) (82685) (04035) (82670) (82665) (82675)

 

DEC

 12... <.004 <.022 <.006 <.011 <.01 <.004 <.010 <.011 <.02 <.005 <.02 <.034 <.02

FEB

 05... -- -- -- -- -- -- -- -- -- -- -- -- --

APR

 03... <.004 <.022 <.006 <.011 <.01 <.004 <.010 <.011 <.02 <.005 <.02 <.034 <.02

JUN

 11... -- -- -- -- -- -- -- -- -- -- -- -- --

AUG

 06... .106 .127 .066 .119 .13 .116 .126 .127 .14 .150 E.19 E.098 .11

 Tri- Sus-

 Thio- Tri- flur- pended

 bencarb allate, alin, sedi- Stream-

 water water, water, ment flow

 fltrd fltrd fltrd concen- sever-

 Date 0.7u GF 0.7u GF 0.7u GF tration ity,

 ug/L ug/L ug/L mg/L code

 (82681) (82678) (82661) (80154) (01351)

 

 DEC

 12... <.005 <.002 <.009 52 5

 FEB

 05... -- -- -- 7 3

 APR

 03... <.005 <.002 <.009 12 3

 JUN

 11... -- -- -- 12 2

 AUG

 06... .124 .119 .111 13 3

 

 Remark codes used in this table:

 < -- Less than

 E -- Estimated value
76 Streamflow, Water-Quality, and Biological Data for Three Tributaries to Lake Houston Near Houston, Texas, 2002–04

Table 5. Routinely sampled water-quality data for selected sites in Lake Creek, Peach Creek, and Caney Creek, Texas, water years 2003–

04—Continued. 

 Caney Creek—Continued

 08070600 Caney Ck nr New Caney, TX (CANEY1)—Continued

 WATER-QUALITY DATA, WATER YEAR OCTOBER 2003 TO SEPTEMBER 2004

 

 Alka-

 Dis- pH, Specif. linity,

 Instan- Baro- solved water, conduc- wat flt taneous metric Dis- oxygen, unfltrd tance, Temper- Temper- inc tit

 dis- pres- solved percent field, wat unf ature, ature, field,

 Date Station number Date Time charge, sure, oxygen, of sat- std uS/cm air, water, mg/L as

 cfs mm Hg mg/L uration units 25 degC deg C deg C CaCO3

 (00061) (00025) (00300) (00301) (00400) (00095) (00020) (00010) (39086)

 

NOV

 13... 08070600 20031113 1008 25 763 9.0 99 5.8 130 21.5 20.0 28

JAN

 08... 08070600 20040108 1225 52 762 11.6 103 7.1 161 11.0 10.0 32

MAR

 11... 08070600 20040311 1220 102 768 9.7 101 6.6 158 20.0 17.4 34

JUN

 03... 08070600 20040603 1015 49 763 8.0 95 7.0 142 23.5 24.2 33

 Bicar- Carbon- Residue Ammonia Nitrite Ortho-

 bonate, ate, on + + Organic phos- BOD,

 wat flt wat flt Chlor- evap. org-N, Ammonia nitrate Nitrite nitro- phate, Phos- water,

 incrm. incrm. ide, Sulfate at water, water, water water, gen, water, phorus, unfltrd

 titr., titr., water, water, 180degC unfltrd unfltrd fltrd, fltrd, water, fltrd, water, 5 day,

 Date field, field, fltrd, fltrd, wat flt mg/L mg/L mg/L mg/L unfltrd mg/L unfltrd 20 degC

 mg/L mg/L mg/L mg/L mg/L as N as N as N as N mg/L as P mg/L mg/L

 (00453) (00452) (00940) (00945) (70300) (00625) (00610) (00631) (00613) (00605) (00671) (00665) (00310)

 

NOV

 13... 34 .0 16.2 4.1 75 .19 <.01 .194 .002 -- E.003n <.04 1.3

JAN

 08... 38 .0 18.2 5.7 97 .33 .01 .208 E.001n .32 <.006 .04 1.0

MAR

 11... 42 .0 17.4 5.5 107 .61 .04 .256 .002 .57 <.006 .05 1.2

JUN

 03... 41 .0 14.6 4.8 88 .29 .01 .186 .003 .28 <.006 E.03n 1.3

 Pheo- Chloro- 2,6-Di- Ben-

 phytin phyll a E coli, ethyl- flur- Car- Carbo-

 a, phyto- m-TEC aniline Aceto- Ala- alpha- Atra- alin, Butyl- baryl, furan,

 phyto- plank- MF, water CIAT, chlor, chlor, HCH, zine, water, ate, water, water,

 plank- ton, water, fltrd water, water, water, water, water, fltrd water, fltrd fltrd

 Date ton, fluoro, col/ 0.7u GF fltrd, fltrd, fltrd, fltrd, fltrd, 0.7u GF fltrd, 0.7u GF 0.7u GF

 ug/L ug/L 100 mL ug/L ug/L ug/L ug/L ug/L ug/L ug/L ug/L ug/L ug/L

 (62360) (70953) (31633) (82660) (04040) (49260) (46342) (34253) (39632) (82673) (04028) (82680) (82674)

 

NOV

 13... 1.8 1.3 E41k <.006 <.006 <.006 <.005 <.005 E.004t <.010 <.004 <.041 <.020

JAN

 08... 1.7 2.2 230 -- -- -- -- -- -- -- -- -- --

MAR

 11... .5 .5 54 <.006 <.006 <.006 <.005 <.005 .032 <.010 <.004 <.041 <.020

JUN

 03... 4.2 7.8 84 -- -- -- -- -- -- -- -- -- --

 Desulf- Ethal- Desulf-

 inyl Disul- flur- Etho- inyl- Fipro- Fipro-

 Chlor- Cyana- DCPA, fipro- Diazi- Diel- foton, EPTC, alin, prop, fipro- nil nil

 pyrifos zine, water nil, non, drin, water, water, water, water, nil sulfide sulfone

 water, water, fltrd water, water, water, fltrd fltrd fltrd fltrd amide, water, water,

 Date fltrd, fltrd, 0.7u GF fltrd, fltrd, fltrd, 0.7u GF 0.7u GF 0.7u GF 0.7u GF wat flt fltrd, fltrd, ug/L ug/L ug/L ug/L ug/L ug/L ug/L ug/L ug/L ug/L ug/L ug/L ug/L

 (38933) (04041) (82682) (62170) (39572) (39381) (82677) (82668) (82663) (82672) (62169) (62167) (62168)

 

NOV

 13... <.005 <.018 <.003 <.012 <.005 <.009 <.02 <.004 <.009 <.005 <.029 <.013 <.024

JAN

 08... -- -- -- -- -- -- -- -- -- -- -- -- --

MAR

 11... <.005 <.018 <.003 <.012 <.005 <.009 <.02 <.006 <.009 <.005 <.029 <.013 <.024

JUN

 03... -- -- -- -- -- -- -- -- -- -- -- -- --
Table 5 77

Table 5. Routinely sampled water-quality data for selected sites in Lake Creek, Peach Creek, and Caney Creek, Texas, water years 2003–

04—Continued. 

 Caney Creek—Continued

 08070600 Caney Ck nr New Caney, TX (CANEY1)—Continued

 WATER-QUALITY DATA, WATER YEAR OCTOBER 2003 TO SEPTEMBER 2004—Continued

 

 Azin- Methyl

 phos- para- Moli- Naprop-

 Fipro- Linuron Mala- methyl, thion, Metola- Metri- nate, amide, p,p'- Para-

 nil, Fonofos Lindane water thion, water, water, chlor, buzin, water, water, DDE, thion,

 water, water, water, fltrd water, fltrd fltrd water, water, fltrd fltrd water, water,

 Date fltrd, fltrd, fltrd, 0.7u GF fltrd, 0.7u GF 0.7u GF fltrd, fltrd, 0.7u GF 0.7u GF fltrd, fltrd,

 ug/L ug/L ug/L ug/L ug/L ug/L ug/L ug/L ug/L ug/L ug/L ug/L ug/L

 (62166) (04095) (39341) (82666) (39532) (82686) (82667) (39415) (82630) (82671) (82684) (34653) (39542)

 

NOV

 13... <.016 <.003 <.004 <.035 <.027 <.050 <.015 <.013 <.006 <.003 <.007 <.003 <.010

JAN

 08... -- -- -- -- -- -- -- -- -- -- -- -- --

MAR

 11... <.016 <.003 <.004 <.035 <.027 <.050 <.015 <.013 <.006 <.003 <.007 <.003 <.010

JUN

 03... -- -- -- -- -- -- -- -- -- -- -- -- --

 Pendi- cis-

 Peb- meth- Per- Propy- Pro- Propar- Tebu- Terba- Terbu-

 ulate, alin, methrin Phorate Prome- zamide, Propa- panil, gite, Sima- thiuron cil, fos,

 water, water, water water ton, water, chlor, water, water, zine, water water, water,

 fltrd fltrd fltrd fltrd water, fltrd water, fltrd fltrd water, fltrd fltrd fltrd

 Date 0.7u GF 0.7u GF 0.7u GF 0.7u GF fltrd, 0.7u GF fltrd, 0.7u GF 0.7u GF fltrd, 0.7u GF 0.7u GF 0.7u GF

 ug/L ug/L ug/L ug/L ug/L ug/L ug/L ug/L ug/L ug/L ug/L ug/L ug/L

 (82669) (82683) (82687) (82664) (04037) (82676) (04024) (82679) (82685) (04035) (82670) (82665) (82675)

 

NOV

 13... <.004 <.022 <.006 <.011 <.01 <.004 <.025 <.011 <.02 <.005 <.02 <.034 <.02

JAN

 08... -- -- -- -- -- -- -- -- -- -- -- -- --

MAR

 11... <.004 <.022 <.006 <.011 <.01 <.004 <.025 <.011 <.02 <.005 <.02 <.034 <.02

JUN

 03... -- -- -- -- -- -- -- -- -- -- -- -- --

 Tri- Sus-

 Thio- Tri- flur- pended

 bencarb allate, alin, sedi- Stream-

 water water, water, ment flow

 fltrd fltrd fltrd concen- sever-

 Date 0.7u GF 0.7u GF 0.7u GF tration ity,

 ug/L ug/L ug/L mg/L code

 (82681) (82678) (82661) (80154) (01351)

 

 NOV

 13... <.010 <.002 <.009 7 3

 JAN

 08... -- -- -- 8 3

 MAR

 11... <.010 <.002 <.009 20 3

 JUN

 03... -- -- -- 15 3

 

 Remark codes used in this table:

 < -- Less than

 E -- Estimated value

 

 Value qualifier codes used in this table:

 k -- Counts outside acceptable range

 n -- Below the LRL and above the LT-MDL

 t -- Below the long-term MDL

 
78 Streamflow, Water-Quality, and Biological Data for Three Tributaries to Lake Houston Near Houston, Texas, 2002–04

Table 6 Table 6. Fish taxa and individual counts of fish collected in Lake Creek, Peach Creek, and Caney Creek, October 2002–October 

2004—Continued.

Scientific name

Family

Genus

Common name

and status1

LAKE1 LAKE3 LAKE4 LAKE5

OCT

2002

MAY

2003

AUG

2003

DEC

2003

OCT

2004

OCT

2002

MAY

2003

AUG

2003

DEC

2003

OCT

2004

OCT

2002

MAY

2003

AUG

2003

DEC

2003

OCT

2004

OCT

2002

MAY

2003

AUG

2003

DEC

2003

OCT

2004

Lepisosteidae (Gars)

Lepisteus oculatus Spotted gar T -- -- 1 1 -- 1 -- -- -- -- 3 1 4 -- 4 -- -- -- -- --

Lepisosteus osseus Longnose gar T -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- 2 -- --

Clupeidae (Herrings)

Dorosoma cepedianum Gizzard shad T 2 -- -- -- 1 -- 2 -- -- 1 56 18 21 -- 12 -- -- -- -- --

Poeciliidae (Livebearers)

Gambusia affinis Western mosquito fish T -- 3 1 -- 1 16 -- 214 15 3 34 -- 137 2 -- 64 3 112 3 --

Catastomidae (Suckers)

Ictiobus bubalus Smallmouth buffalo -- -- -- -- -- -- -- -- -- -- 1 -- -- -- -- -- -- -- -- --

Minytrema melanops Spotted sucker -- 1 -- -- -- -- 1 -- -- -- -- 2 2 -- 12 -- -- -- -- 1

Carpiodes carpio River carpsucker T -- 14 6 -- 1 -- -- -- -- -- -- -- 3 -- -- -- -- -- -- --

Moxostoma poecilurum Blacktail redhorse 15 21 33 18 9 4 -- -- -- 2 -- -- -- -- -- -- -- 20 -- --

Moxostoma congestum Gray redhorse -- -- -- 1 -- -- -- -- -- -- 1 11 -- -- -- 1 -- -- -- --

Ictaluridae (Catfishes)

Ameiurus melas Black bullhead T -- -- -- -- -- -- -- 2 -- -- 4 2 14 1 -- 30 25 5 4 8

Noturus gyrinus Tadpole madtom I 2 1 1 -- 2 1 -- 4 -- 1 -- -- -- -- -- -- -- -- -- --

Noturus nocturnus Freckled madtom I -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- --

Ictalurus punctatus Channel catfish T 3 12 -- -- 1 -- 3 -- -- -- 4 2 9 -- 4 -- -- -- -- --

Pylodictis olivaris Flathead catfish -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- --

Ameiurus natalis Yellow bullhead -- -- -- 1 -- -- -- -- -- 2 -- 2 -- -- 2 2 1 1 2 1

Centrarchidae (Sunfishes)

Poxomis annularia White crappie -- -- -- -- -- 3 2 5 -- 2 19 10 22 -- 9 2 -- 2 2 --

Lepomis sp. Sunfish -- -- -- -- -- -- -- -- -- -- 5 -- -- -- -- -- -- -- -- --

Lepomis cyanellus Green sunfish T 2 12 4 1 5 35 16 23 17 28 5 35 4 1 4 1 4 7 1 4

Lepomis microlophus Redear sunfish -- -- -- -- -- -- 1 2 -- 2 5 2 15 -- 11 -- -- -- 1 --

Lepomis megalotis Longear sunfish 128 153 48 42 52 90 35 69 8 13 15 43 21 13 55 30 9 13 10 12

Lepomis punctatus Spotted sunfish 3 6 3 8 8 2 -- 11 -- -- -- -- -- -- -- -- -- -- -- --

Lepomis humilis Orangespotted sunfish -- 1 71 1 -- -- 1 27 -- -- -- 2 -- -- -- -- 14 -- -- --

Lepomis marginatus Dollar sunfish -- -- -- -- -- -- -- 2 -- -- -- -- -- -- -- -- -- 2 -- --

Lepomis macrochirus Bluegill T 9 22 15 10 8 68 29 128 9 23 78 75 63 10 134 24 18 21 8 35

Lepomis gulosus Warmouth T 3 5 1 1 3 51 18 30 8 10 46 46 37 9 48 27 -- 8 7 10

Micropterus salmoides Largemouth bass -- -- -- -- 3 -- -- -- -- 4 -- -- -- 1 5 -- -- -- -- 3

Micropterus punctulatus Spotted bass 14 14 27 6 -- 1 2 1 -- -- 1 1 1 -- -- 3 -- 12 -- --

Aphredoderidae (Pirate perches)

Aphredoderus sayanus Pirate perch 2 1 1 -- 2 39 2 29 3 24 3 4 1 -- 12 51 14 31 5 19

Sciaenidae (Drums)

Aplodinotus grunniens Freshwater drum T 4 2 1 -- -- -- 1 -- -- -- 5 2 -- -- 5 -- -- -- -- --

Percidae (Perches)

Etheostoma sp. Darter -- -- -- -- -- -- -- -- -- -- -- -- 5 -- -- -- -- -- -- --

Etheostoma gracile Slough darter -- -- -- -- -- -- -- -- -- 1 1 -- -- -- -- -- -- -- -- --

Etheostoma chlorosomum Bluntnose darter -- -- -- -- -- -- -- -- -- -- 2 -- -- -- -- -- -- -- 3 --

Peocilia sciera Dusky darter I 2 4 7 5 14 -- -- -- -- 1 -- -- -- -- -- -- -- -- 1 --

Ammocrypta vivax Scaly sand darter 3 4 8 -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- --

Ammocrypta clara Western sand darter -- -- -- 1 -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- --

Percina macrolepida Bigscale logperch I -- -- -- -- -- 6 -- -- -- 1 -- -- -- -- 1 -- -- -- -- --

Table 6. Fish taxa and individual counts of fish collected in Lake Creek, Peach Creek, and Caney Creek, October 2002–October 2004.

[T, tolerant (to pollution) species; -- not found; I, intolerant (to pollution) species; NT, nonnative species; NP, survey not performed]
Table 6 79

Cyprinodontidae (Killifishes)

Fundulus notatus Blackstripe topminnow 9 29 12 11 1 19 9 26 4 1 14 8 18 10 -- 2 1 15 12 10

Fundulus olivaceus Blackspotted topminnow I -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- --

Atherinidae (Silversides)

Labidesthes sicculus Brook silverside I -- -- 1 -- -- 1 -- -- -- -- 8 -- 20 -- -- -- -- -- -- --

Menidia beryllina Inland silverside -- -- -- 10 -- -- -- -- -- -- -- -- -- 2 -- -- -- -- 1 --

Cyprinidae (Carp and minnows)

Notropis sp. Shiner -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- --

Cyprinella venusta Blacktail shiner 73 154 105 95 85 -- -- -- -- -- -- 1 -- -- -- -- -- -- -- --

Notropis volucellus Mimic shiner I 25 24 14 81 4 -- -- -- -- -- -- -- -- -- -- -- -- -- -- --

Notropis sabinae Sabine shiner 4 -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- --

Lythrurus umbratilis Texas shiner -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- --

Notemigonus crysoleucas Golden shiner T -- -- -- -- -- -- -- -- -- -- 3 -- 8 -- -- 10 1 27 2 4

Cyprinella lutrensis Redfin shiner 18 1 -- 3 -- 9 -- -- -- -- -- -- -- -- -- -- -- -- 2 --

Cyprinella lutrensis Red shiner T 7 4 -- 2 -- -- -- 4 2 -- -- -- -- -- -- -- -- -- -- --

Lythrurus fumeus Ribbon shiner -- -- -- -- -- -- 1 -- -- -- -- -- -- -- -- -- -- -- -- --

Cyprinus carpio Common carp NT -- -- -- -- -- -- -- -- -- -- 3 -- 5 -- -- -- -- -- -- --

Pimephales vigilax Bullhead minnow 108 83 99 21 106 -- -- -- -- 8 -- 12 2 -- -- -- -- -- 1 --

Opsopoeodus emiliae Pugnose minnow -- -- -- -- -- 2 4 -- -- -- 10 -- 3 -- -- -- 3 -- 1 --

Esocidae (Pikes)

Esox americanus vermiculatus Grass pickerel -- 2 -- -- -- -- -- -- -- -- -- -- -- -- -- 2 1 1 -- 2

Elassomatidae (Pygmie sunfishes)

Elassoma zonatum Banded pygmie sunfish -- -- -- -- -- -- -- 1 -- -- -- -- -- -- -- 3 -- 1 -- 1

Petromyzontidae (Lampreys)

Ichthyomyzon castaneus Chestnut lamprey I -- -- -- -- -- -- -- -- 3 -- -- -- -- -- -- -- -- -- -- --

Ichthyomyzon gagei Southern brook lamprey I -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- --

Number of fish 436 573 459 319 306 348 127 578 66 127 326 279 416 49 318 252 94 280 66 110

Number of fish species 21 24 21 20 18 17 16 17 8 18 24 20 23 8 15 15 12 17 18 13

Table 6. Fish taxa and individual counts of fish collected in Lake Creek, Peach Creek, and Caney Creek, October 2002–October 

2004—Continued.

Scientific name

Family

Genus

Common name

and status1

LAKE1 LAKE3 LAKE4 LAKE5

OCT

2002

MAY

2003

AUG

2003

DEC

2003

OCT

2004

OCT

2002

MAY

2003

AUG

2003

DEC

2003

OCT

2004

OCT

2002

MAY

2003

AUG

2003

DEC

2003

OCT

2004

OCT

2002

MAY

2003

AUG

2003

DEC

2003

OCT

2004
80 Streamflow, Water-Quality, and Biological Data for Three Tributaries to Lake Houston Near Houston, Texas, 2002–04

Table 6. Fish taxa and individial counts of fish collected in Lake Creek, Peach Creek, and Caney Creek, October 2002–October 

2004—Continued.

Scientific name

Family

Genus

Common name

and status1

PEACH1 PEACH3 CANEY1 CANEY3

OCT

2002

MAY

2003

AUG

2003

DEC

2003

OCT

2004

OCT

2002

MAY

2003

AUG

2003

DEC

2003

OCT

2004

OCT

2002

MAY

2003

AUG

2003

DEC

2003

OCT

2004

OCT

2002

MAY

2003

AUG

2003

DEC

2003

OCT

2004

Lepisosteidae (Gars)

Lepisteus oculatus Spotted gar T -- 1 -- -- -- -- -- -- -- -- -- -- 3 -- 1 -- 1 -- 1 --

Lepisosteus osseus Longnose gar T -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- --

Clupeidae (Herrings)

Dorosoma cepedianum Gizzard shad T -- 2 6 -- -- -- -- -- -- -- -- 8 -- -- 11 -- -- -- -- 10

Poeciliidae (Livebearers)

Gambusia affinis Western mosquito fish T -- -- 2 -- -- -- -- 2 -- -- -- -- -- -- -- -- -- -- -- 3

Catastomidae (Suckers)

Ictiobus bubalus Smallmouth buffalo -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- --

Minytrema melanops Spotted sucker -- 2 4 -- -- -- -- 2 -- -- -- -- 1 -- -- -- -- -- 1 --

Carpiodes carpio River carpsucker T -- -- -- -- -- -- -- -- -- -- -- 7 1 -- 5 -- -- -- -- --

Moxostoma poecilurum Blacktail redhorse -- 20 17 7 28 -- 1 2 -- 3 -- 53 36 -- 32 -- 9 17 7 6

Moxostoma congestum Gray redhorse -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- --

Ictaluridae (Catfishes)

Ameiurus melas Black bullhead T -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- --

Noturus gyrinus Tadpole madtom I -- -- 1 -- 1 -- -- 1 -- 1 -- -- -- -- 1 -- -- -- -- --

Noturus nocturnus Freckled madtom I -- -- 1 -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- 1 --

Ictalurus punctatus Channel catfish T -- 13 10 3 12 -- -- 1 -- -- -- 7 2 -- 8 -- 1 2 -- 1

Pylodictis olivaris Flathead catfish -- -- -- -- 1 -- -- -- -- -- -- 1 -- -- 1 -- -- -- -- --

Ameiurus natalis Yellow bullhead -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- 1 -- -- --

Centrarchidae (Sunfishes)

Poxomis annularia White crappie -- 1 -- 1 -- -- -- -- -- -- -- 7 -- -- 7 -- -- -- -- --

Lepomis sp. Sunfish -- -- 2 -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- 1 --

Lepomis cyanellus Green sunfish T -- -- -- -- 5 -- 1 -- -- -- -- 1 -- -- 8 -- -- 1 -- --

Lepomis microlophus Redear sunfish -- -- 1 -- -- -- -- -- -- -- -- 2 -- -- -- -- -- -- -- --

Lepomis megalotis Longear sunfish -- 36 68 19 77 -- 18 26 -- 15 -- 58 89 -- 64 -- 39 56 21 16

Lepomis punctatus Spotted sunfish -- 6 7 6 6 -- 4 1 -- 2 -- -- 2 -- -- -- 10 6 3 7

Lepomis humilis Orangespotted sunfish -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- --

Lepomis marginatus Dollar sunfish -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- --

Lepomis macrochirus Bluegill T -- 7 12 5 26 -- 2 3 -- 1 -- 11 7 -- 23 -- 16 16 6 1

Lepomis gulosus Warmouth T -- 2 3 -- 4 -- 3 1 -- -- -- 1 1 -- 3 -- 3 -- 1 2

Micropterus salmoides Largemouth bass -- -- 1 -- 8 -- -- -- -- 2 -- -- 1 -- 3 -- -- -- -- 2

Micropterus punctulatus Spotted bass -- 14 28 8 -- -- 2 5 -- -- -- 5 14 -- -- -- 10 5 2 3

Aphredoderidae (Pirate perches)

Aphredoderus sayanus Pirate perch -- -- 1 1 4 -- 1 4 -- 5 -- -- 1 -- 1 -- -- 2 2 6

Sciaenidae (Drums)

Aplodinotus grunniens Freshwater drum T -- 1 3 -- 1 -- -- -- -- 1 -- 2 6 -- 4 -- -- -- -- 1

Percidae (Perches)

Etheostoma sp. Darter -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- --

Etheostoma gracile Slough darter -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- --

Etheostoma chlorosomum Bluntnose darter -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- 1 --

Peocilia sciera Dusky darter I -- 1 2 -- -- -- -- 2 -- -- -- -- -- -- -- -- 5 3 7 --

Ammocrypta vivax Scaly sand darter -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- --

Ammocrypta clara Western sand darter -- -- -- -- -- -- -- 1 -- -- -- -- -- -- -- -- -- 1 -- --

Percina macrolepida Bigscale logperch I -- -- 1 -- -- -- -- 1 -- -- -- -- -- -- -- -- -- -- -- --

Table 6. Fish taxa and individual counts of fish collected in Lake Creek, Peach Creek, and Caney Creek, October 2002–October 

2004—Continued.
Table 6 81

1 Status from Texas Natural Resource Conservation Commission, 1999a.

Cyprinodontidae (Killifishes)

Fundulus notatus Blackstripe topminnow -- 6 51 17 1 -- 3 17 -- 6 -- 6 22 -- 9 -- 5 12 12 1

Fundulus olivaceus Blackspotted topminnow I -- -- -- -- -- -- -- -- -- -- -- -- 1 -- -- -- -- -- -- --

Atherinidae (Silversides)

Labidesthes sicculus Brook silverside I -- -- 3 -- -- -- -- 1 -- -- -- -- 1 -- -- -- -- 1 -- --

Menidia beryllina Inland silverside -- -- -- 1 -- -- -- -- -- -- -- 1 -- -- -- -- -- -- -- --

Cyprinidae (Carp and minnows)

Notropis sp. Shiner -- -- -- 9 -- -- -- -- -- -- -- -- -- -- -- -- -- -- 1 --

Cyprinella venusta Blacktail shiner -- 2 49 -- 8 -- 4 2 -- 1 -- 25 21 -- 4 -- 23 5 6 9

Notropis volucellus Mimic shiner I -- 3 10 1 -- -- 2 -- -- -- -- 4 -- -- -- -- 2 -- 11 --

Notropis sabinae Sabine shiner -- -- 1 -- -- -- -- -- -- -- -- 5 -- -- -- -- -- -- -- --

Lythrurus umbratilis Texas shiner -- -- -- 2 -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- --

Notemigonus crysoleucas Golden shiner T -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- --

Cyprinella lutrensis Redfin shiner -- 1 10 -- -- -- 2 -- -- -- -- -- -- -- -- -- 1 -- 12 --

Cyprinella lutrensis Red shiner T -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- --

Lythrurus fumeus Ribbon shiner -- -- -- -- -- -- -- -- -- -- -- 2 -- -- -- -- 2 10 11 --

Cyprinus carpio Common carp NT -- -- -- -- -- -- -- -- -- -- -- -- -- -- 1 -- -- -- -- --

Pimephales vigilax Bullhead minnow -- -- 1 -- 1 -- -- -- -- -- -- 3 3 -- 5 -- -- 5 4 24

Opsopoeodus emiliae Pugnose minnow -- -- 1 -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- 4 --

Esocidae (Pikes)

Esox americanus 

vermiculatus

Grass pickerel -- 1 1 -- -- -- 3 1 -- 2 -- 4 -- -- -- -- -- 1 -- --

Elassomatidae (Pygmie sunfishes)

Elassoma zonatum Banded pygmie sunfish -- -- -- -- -- -- -- 1 -- -- -- -- 1 -- -- -- -- -- -- --

Petromyzontidae (Lampreys)

Ichthyomyzon castaneus Chestnut lamprey I -- -- -- 2 -- -- -- -- -- -- -- -- -- -- -- -- -- -- 3 --

Ichthyomyzon gagei Southern brook lamprey I -- -- -- 1 -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- --

Number of fish NP 119 297 83 183 NP 46 74 NP 39 NP 213 213 NP 191 NP 128 143 118 92

Number of fish species NP 18 28 15 15 NP 13 19 NP 11 NP 21 19 NP 19 NP 15 16 22 15

Table 6. Fish taxa and individial counts of fish collected in Lake Creek, Peach Creek, and Caney Creek, October 2002–October 

2004—Continued.

Scientific name

Family

Genus

Common name

and status1

PEACH1 PEACH3 CANEY1 CANEY3

OCT

2002

MAY

2003

AUG

2003

DEC

2003

OCT

2004

OCT

2002

MAY

2003

AUG

2003

DEC

2003

OCT

2004

OCT

2002

MAY

2003

AUG

2003

DEC

2003

OCT

2004

OCT

2002

MAY

2003

AUG

2003

DEC

2003

OCT

2004
82 Streamflow, Water-Quality, and Biological Data for Three Tributaries to Lake Houston Near Houston, Texas, 2002–04

Table 7. Selected indexes that characterize fish and benthic-macroinvertebrate community structure in Lake Creek, Peach Creek, and 

Caney Creek, Texas, October 2002–October 2004. 

[ID, identifier; R, richness; ECO–IBI, ecoregion-specific index of biotic integrity; B–IBI, benthic-macroinvertebrate index of biotic integrity; EPT, Ephemeroptera Plecoptera Trichoptera] 

Table 8. Metrics used to compute selected index of biotic integrity scores. 

[IBI, index of biotic integrity; ECO–IBI, ecoregion-specific index of biotic integrity; B–IBI, benthic-macroinvertebrate index of biotic integrity] 

Reach ID

Fish community Benthic-macroinvertebrate community

Menhinick’s R ECO–IBI Menhinick’s R B–IBI EPT index

LAKE1 1.03 51 0.67 31 48.5

LAKE3 1.12 41 .63 28 14.1

LAKE4 1.13 41 .84 25 16.7

LAKE5 1.33 40 .79 24 11.3

PEACH1 1.51 51 .81 34 29.0

PEACH3 1.96 43 1.52 36 25.9

CANEY1 1.37 46 1.13 27 58.9

CANEY3 1.56 46 .57 34 45.0

Statewide IBI for fish communities1

1 Texas Natural Resource Conservation Commission, 1999a.

ECO–IBI for fish communities2

2 Linam and others, 2002. 

B–IBI1

Total number of species

Number of darter species

Number of sunfish species

Number of sucker species

Number of intolerant species

Percentage of individuals as tolerant species

Percentage of indivduals as omnivores

Percentage of individuals as invertivores

Percentage of individuals as piscivores

Number of individuals in sample

Percentage of individuals as hybrids

Percentage of individuals with disease or 

anomaly

Total number of species

Number of native cyprinid species

Number of benthic invertivore species

Number of sunfish species

Number of intolerant species

Percentage of individuals as tolerant species

Percentage of indivduals as omnivores

Percentage of individuals as invertivores

Percentage of individuals as piscivores

Number of individuals in sample

Percentage of individuals as non-native 

species

Percentage of individuals with disease or 

anomaly

Taxa richness

EPT taxa abundance

Hilsenhoff biotic index

Percentage of Chironomidae

Percentage of the dominant taxon

Percentage of the dominant functional feeding 

group

Percentage of predators

Ratio of intolerant to tolerant taxa

Percentage of total trichoptera as 

Hydropsychidae

Number of non-insect taxa

Percentage of collector-gatherers

Percentage of the total number as Elmidae
Prepared by the USGS Texas Water Science Center:

8027 Exchange Drive

Austin, TX 78754–4733

Information regarding water resources in Texas is available at 

http: //tx.usgs.gov/