Hydrogeologic and Water-Quality Data 

Used to Characterize the 

Management Systems Evaluation Area 

Near Princeton, Minnesota, 1991

By G.N. Delin1, M.K. Landon1, J.A. Lamb2, and J.L. Anderson'

U.S. Geological Survey 

Open-File Report 94-337

Prepared in cooperation with the

University of Minnesota Department of Soil Science,

the U.S. Department of Agriculture,

Agricultural Research Service, and the

Minnesota Pollution Control Agency

Mounds View, Minnesota 

1994

1 U.S. Geological Survey, Mounds View, Minnesota

2 University of Minnesota, Department of Soil Science
U.S. DEPARTMENT OF THE INTERIOR

Bruce Babbitt, Secretary

U.S. GEOLOGICAL SURVEY

Gordon P. Eaton, Director

For additional information write to: Copies of this report can be purchased from:

U.S. Geological Survey

Earth Science Information Center

District Chief Open-File Reports Section

U.S. Geological Survey Box 25286, MS 517

2280 Woodale Drive Denver Federal Center

Mounds View, MN 55112 Denver, CO 80225
Contents

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

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

Location and description of study area.................................................................................................................. 1

Test hole and well-numbering system................................................................................................................... 7

Description of tables.............................................................................................................................................. 7

Acknowledgments................................................^ 7

References...................................................................................................~^ 7

Illustrations

Figures 1-4. Maps showing:

1. Location of Management Systems Evaluation Areas in the midwest............................... 2

2. Location of the Princeton Minnesota Management Systems Evaluation Area

in the Anoka Sand Plain.................................................................................................... 3

3. Study area at the Princeton, Minnesota Management Systems Evaluation

Area................................................................................................................................... 4

4. Layout of the research area at the Princeton, Minnesota Management Systems

Evaluation Area................................................................................................................. 5

5. Diagram showing test hole and well-numbering system......................................................... 6

Tables

Table 1. Geologic logs of test holes....................................................................................................... 8

2. Results of inorganic analyses of water samples collected at the Princeton,

Minnesota Management Systems Evaluation Area, April 1991............................................. 31

3. Results of herbicide analyses of water samples collected at the Princeton,

Minnesota Management Systems Evaluation Area, April 1991............................................. 39

Conversion Factors and Abbreviations

Multiply By To obtain

centimeter (cm) 0.3937 inch

hectare (ha) 2.471 acre

meter (m) 3.281 foot

kilometer (km) .6214 mile

square kilometer (km2) .3861 square mile

degrees Celsius (°C) 1.8(°C)+32 degrees Fahrenheit

Sea level: In this report sea level refers to the National Geodetic Vertical Datum of 1929 (NG VD of 1929) a geodetic 

datum derived from a general adjustment of the first-order level nets of both the United States and Canada, formerly 

called Sea Level Datum of 1929.

ui
Abstract

The Minnesota Management Systems Evaluation Area project is part of a multi-scale, inter-agency initiative to 

evaluate the effects of agricultural management systems on water quality in the midwest corn belt. The research area 

is located in the Anoka Sand Plain about 5 kilometers southwest of Princeton, Minnesota. The ground-water-quality 

monitoring network within and immediately surrounding the research area consists of 29 observation wells and 22 

multiport wells. Thirteen observation wells are also located outside the research area. The primary objectives of 

research by the U.S. Geological Survey at the Princeton Management Systems Evaluation Area are to: (1) determine 

the relation of the spatial and temporal distribution of agricultural chemicals in ground water to recharge, topography, 

and subsurface heterogeneities; and (2) determine the effects of the modified and prevailing farming systems on 

ground-water quality. This report presents geologic logs and water-quality data used to characterize the Princeton 

Management Systems Evaluation Area.

Introduction

The Management Systems Evaluation Area (MSEA) 

program is part of a multi-scale, inter-agency initiative 

to evaluate the effects of agricultural systems on water 

quality in the midwest corn belt. Five primary MSEAs 

(fig. 1) were selected to represent a variety of 

hydrogeologic settings and the geographic diversity of 

prevailing farming practices in the region.

The Minnesota MSEA has a primary research area 

near Princeton, Minnesota in the Anoka Sand Plain, an 

area of glacial outwash covering about 4,400 km2, and 

satellite areas located near Oakes, North Dakota; 

Brookings, South Dakota; and Arena, Wisconsin (fig. 2) 

(Delin and others, 1992; Anderson and others, 1991). 

Each of these locations are in sand-plain areas 

considered typical of the northern corn-belt region. The 

interagency research objective of the Minnesota MSEA 

is to evaluate the effects of a modified farming system 

on ground-water quality in sand-plain areas with 

slightly different climatic conditions. The modified 

farming system uses irrigated ridge-tillage in a 

corn/soybean rotation. Nitrogen fertilizer and the 

herbicides atrazine, alachlor, and metribuzin are applied. 

Although the modified farming system is evaluated at 

satellite areas in North Dakota, South Dakota, and 

Wisconsin (fig. 2), research was concentrated at the area 

near Princeton, Minnesota. The remainder of this report 

discusses information pertinent only to the Princeton 

MSEA.

Research at the Princeton MSEA is being conducted 

primarily by the Minnesota District of the U.S. 

Geological Survey (USGS) in cooperation with the 

University of Minnesota Department of Soil Science, 

and the U.S. Department of Agriculture-Agricultural 

Research Service (USDA-ARS). Other agencies 

conducting research at the Princeton MSEA include the 

USGS Geologic Division, Minnesota Pollution Control 

Agency (MPCA), the USDA Soil Conservation Service,

the University of Minnesota Department of Agricultural 

Engineering, the University of Minnesota Department 

of Geology and Geophysics, and the U.S. 

Environmental Protection Agency. The MPCA assisted 

with financial support, project planning, collection of 

water samples, and the interpretation of water-quality 

data.

The primary objectives of research by the USGS at 

the Princeton MSEA are to: (1) determine the relation 

of the spatial and temporal distribution of agricultural 

chemicals in ground water to recharge, topography, and 

subsurface heterogeneities; and (2) determine the effects 

of the modified and prevailing farming systems on 

ground-water quality. This report presents geologic logs 

and water-quality data used to characterize the Princeton 

MSEA.

Location and Description of 

Study Area

The 8.3 km2 study area is located about 5 km 

southwest of Princeton, Minnesota and about 80 km 

northwest of Minneapolis and St. Paul (fig. 2). The 65- 

ha research area is located about in the middle of the 

study area (fig. 3) and adjacent to a wetland (fig. 4). 

Topography is undulating in the research area with a 

maximum change in elevation of about 3 m over a 

horizontal distance of about 40 m. The area is drained 

primarily by Battle Brook, a tributary of the St. Francis 

River that flows into the Mississippi River. Five 

cropped areas (fig. 3) were established in 1991 to 

evaluate the effects of selected farming systems on 

ground-water quality. The 1.8- to 2.7-ha cropped areas 

were oriented parallel to the predominant ground-water 

flow direction based on water-level data collected 

during October 1990 through March 1991. This 

orientation was preferred to minimize the mixing of 

leachates reaching the water table from the different 

farming systems being evaluated.
Base from US Geological Survey 

digital data, 1:250,000, 1989 

Universal Transverse Mercator 

Projection, Zone 15

EXPLANATION

Primary MSEA 

Minnesota satellite area

Figure 1.-Location of Management Systems Evaluation Areas (MSEAs) in the midwest.

The ground-water monitoring network within and 

immediately surrounding the research area consists of 

29 observation wells and 22 multiport wells (MPORTs) 

(fig. 4). Thirteen observation wells are also located near 

the research area (fig. 3). The observation wells within 

the research area are constructed of 5.1-cm insidediameter (i.d.) galvanized-steel or polyvinyl-chloride 

(PVC) casing with 15- or 60-cm long stainless-steel 

screens. The observation wells located outside the 

research area are constructed of 5.1-cm i.d. galvanizedsteel casing with 60- or 150-cm long stainless-steel 

screens. All but four of the observation wells are 

screened in the upper meter of the saturated zone, with 

the remaining four wells installed 7 to 14m below the

water table. The observation wells were installed 

through the annulus of 10.2-cm i.d. hollow-stem augers. 

The augers were then removed and the natural 

formation below the water table was allowed to collapse 

around the casing. Above the water table, a mixture of 

bentonite and native material was used to backfill the 

annulus to prevent the vertical movement of water and 

agricultural chemicals down the borehole.

Each MPORT consists of six 0.6-cm i.d. stainlesssteel tubes housed in a 5.1-cm i.d. PVC casing; each 

tube has a 3-cm long screened interval (port) which is 

external to the PVC casing. The sampling ports were 

installed at 50-cm intervals with the uppermost port 50 

cm above the water table at the time of installation, to
45° 40' 

45" 

Base from U.S. Geological Survey 

State Base Map 1:500,000, 1965

0 20 ill i i i i i i40 MILES

20 40 KILOMETERS

EXPLANATION

Anoka Sand Plain

Princeton, Minnesota MSEA 

Satellite Sites: 

Brookings, South Dakota

Oakes, North Dakota 

Arena, Wisconsin

Figure 2.~Location of the Princeton, Minnesota Management Systems 

Evaluation Area (MSEA) in the Anoka Sand Plain.
93° 38' 93° 37' 93° 36'

45° 32'

45° 31'

Domestic well 

(Mt. SimonHinckley aquifer)

Domestic well 

(Confined-drift aquifer)

xBB3, Surface-water 

sampling site

MC1 MC27 MC26 MC10

Base from U.S. Geological Survey 1:100,000 

Digital line graph map, Princeton, 1989.

0.25 0.5 Miles

0.25 0.5 Kilometers

EXPLANATION

Cropped area

Research area, including cropped areas

Observation wells completed in the surficial aquifer 

at or near the water table.

MC29B Field well and identifier . '

MC17A Upgradient well and identifier

MC9o Wetland well and identifier

MC130 Off-site well and identifier

Figure 3.-Study area at the Princeton, Minnesota Management Systems Evaluation Area.

4
>urf acewater 

sampling 

site

Base from U.S. Geological Survey 

Princeton 1:24,000 quadrangle, 1982

0 250 500 750 1000 FEET 

0 100 200 300 METERS

R1

EXPLANATION

Cropped area and identifier

Research area, including cropped areas

Observation well and identifier, number 

in parentheses indicates number 

of wells at site

A8800 Multiport well and identifier

The research area is located in the 

northeast quarter of section 18, 

township T35N, range R26W.

Figure 4.-Layout of the research area at the Princeton, Minnesota, 

Management Systems Evaluation Area.
WEST NORTH

RANGE TOWNSHIP

Figure 5.-Test hole and well-numbering system.

6
allow sample collection if the water table rose. The 

MPORTs were installed through the annulus of 10.2-cm 

i.d. hollow-stem augers. The augers were then removed 

and the natural formation was allowed to collapse 

around the MPORT. Above the uppermost port, a 

mixture of bentonite and native material was used to 

backfill the annulus. The MPORTs were used to collect 

water samples to evaluate ground-water quality and to 

measure water levels monthly to supplement 

observation-well data.

Test Hole and Well-Numbering 

System

The system of numbering wells and test holes in this 

report is based on the U.S. Bureau of Land 

Management's system of land subdivision (township, 

range, and section). The system of numbering datacollection points is shown in figure 5. In this system, 

the first number of a location number indicates the 

township; the second, the range; and the third, the 

section in which the point is located. Upper-case letters 

after the section number indicate the location within the 

section; the first letter denotes the 160-acre tract; the 

second, the 40-acre tract; the third, the 10-acre tract; and 

so forth. Letters A, B, C, and D are assigned in a 

counterclockwise direction, beginning in the northeast 

corner of each tract. For example, the number 

35.26.18ADC indicates a test hole or observation well 

in the southwest 1/4 of the southeast 1/4 of the northeast 

1/4 of section 18, township 35 north, range 26 west (fig. 

5).

Description of Tables

This report contains three tables following the list of 

references. Table 1 contains geologic logs for each of 

the observation wells and MPORTs in the study area. 

Tables 2 and 3 contain baseline water-quality 

information for the MSEA; table 2 contains results of 

inorganic analyses and table 3 contains results of 

herbicide analyses. Results for the surficial aquifer were 

determined by collecting ground-water samples from 29 

observation wells screened at the water table (fig. 3). 

The samples were collected during April 1991, before 

application of agricultural chemicals on the MSEA 

cropped areas. The wells were placed in one of four 

groups based on land use and geographic setting as 

follows: (1) seven wells affected by previous land use 

in the research area (field wells); (2) six wells 

immediately upgradient (west) of the research area 

(upgradient wells); (3) three wells near the wetland 

adjacent to Battle Brook, along the north edge of the 

research area (wetland wells); and (4) thirteen wells

within the study area outside the research area (off-site 

wells) (fig. 3). Results are also included for a sample 

collected from Battle Brook at the northeast comer of 

the research area (site BB3), and from two domestic 

wells located northeast of the research area. One 

domestic well was completed in the confined-drift 

aquifer and the other in the Mt. Simon-Hinckley aquifer 

(fig. 3).

Acknowledgments

The authors acknowledge Robert H. Dowdy (U.S. 

Department of Agriculture, Agricultural Research 

Service), co-principal investigator with G.N. Delin and 

J.L. Anderson for the MSEA study in Minnesota. The 

authors are also grateful to C.P. Regan, Joe Magner, and 

other personnel at the Minnesota Pollution Control 

Agency and to Lifeng Guo, a graduate student at the 

University of Minnesota, Department of Geology and 

Geophysics. The authors are grateful to the U.S. 

Department of Agriculture, Soil Conservation Service 

for conducting a detailed soil survey of the research area 

and to the land owner (Berlinson and Associates) for 

leasing the land to the University of Minnesota.

References

Anderson, J. L., Dowdy, R. H., and Delin, G. N., 1991, 

Ground water impacts from irrigated ridge-tillage: 

in Ritter, W.F., ed., Proceedings of the American 

Society of Civil Engineers, 1991 National 

Conference on Irrigation and Drainage 

Engineering, Honolulu, Hawaii, July 23-26,1991, 

p. 604-610.

Delin, G.N., Landon, M.K., Anderson, J.L., and Dowdy, 

R.H., 1992, Hydrologic research at the Princeton, 

Minnesota Management Systems Evaluation Area: 

U.S. Geological Survey Open-File Report 92-107, 

2 p.
Table 1 .--Geologic logs of test holes

Depth Thickness 

Geologic log__________________________________(meters)___(meters)

Test Hole Number: MC1

Location: 35.26.18ACCCCC

Land Surface Altitude: 297.3 meters

Sand, medium, with loamy bands, dark brown

Sand, medium, with fewer bands, light brown

Silt, gray

Sand, medium, becoming coarser with depth, brown

Sand, medium to coarse, dark brown

Sand, coarse gravel, brown

Gravel, fine to coarse, brown

Sand, mixed with gravel, brown

Till, gray

0-0.9

.9-1.2

1.2-1.3

1.3-2.0

2.0-2.6

2.6-3.0

3.0-3.7

3.7-9.1

9.1-9.4

0.9

.3

.1

.7

.6

.4

.7

5.4

.3

Observation Well Information

Casing: 5.1-cm diameter galvanized steel, 0-2.4 meters

Screen: Stainless steel 10 slot, 2.4-3.0 meters

Height of casing above land surface: 0.6 meters

Static water level: 3.2 meters below top of casing (08/19/91)

Test Hole Number: MC2

Location: 35.26.18ABABCD

Land Surface Altitude: 297.2 meters

Topsoil, loamy, black

Sand, fine to medium, dark brown

Sand, fine to medium, brown

Sand, fine to medium, light brown

Sand, medium, light brown

Sand, medium to coarse, brown

Sand, medium to coarse, silty, gray

Till, red to gray

0-.2

.2-.5

.5-.7

.7-1.8

1.8-2.0

2.0-6.1

6.1-7.0

7.0-8.5

.2

.3

.2

1.1

.2

4.1

.9

1.5

Observation Well Information

Casing: 5.1-cm diameter galvanized steel, 0-2.4 meters

Screen: Stainless steel 10 slot, 2.4-3.0 meters

Height of casing above land surface: 0.6 meters

Static water level: 3.3 meters below top of casing (08/19/91)
Table 1 .--Geologic logs of test holes-Continued

Geologic log

Depth 

(meters)

Thickness 

(meters)

Test Hole Number: MC3

Location: 35.26.18ABCDBD

Land Surface Altitude: 297.8 meters

Topsoil, loamy, dark brown

Sand, fine to medium, brown

Sand, silty, with some clay, (perched water), dark brown

Sand, medium, light brown

Silt, sandy, brown

Sand, fine to medium, brown

Sand, medium to coarse, grayish brown

Sand, fine to medium, gray

Till, reddish brown

0-0.6

.6-1.5

1.5-1.9

1.9-2.8

2.8-2.9

2.9-9.1

9.1-10.7

10.7-14.9

14.9-15.2

0.6

.9

.4

.9

.1

6.2

1.6

4.2

.3

Observation Well Information

Casing: 5.1-cm diameter galvanized steel, 0-3.0 meters

Screen: Stainless steel 10 slot, 3.0-3.7 meters

Height of casing above land surface: 1.2 meters

Static water level: 4.3 meters below top of casing (08/20/91)

Test Hole Number: MC9

Location: 35.26.18AADAAD

Land Surface Altitude: 294.8 meters

Sand, fine to medium, loamy, dark brown

Sand, fine to medium, some silt, dark brown

Sand, fine to medium, silty, dark brown

Sand, fine to medium, clean, gray

Peat, with some sand, fine to medium, black

Sand, coarse to very coarse, and gravel, finer with depth, gray to black

Sand, medium to coarse, silty, grading to till, red

Till, clayish, red

0-.6

.6-1.2

1.2-2.4

2.4-2.7

2.7-4.6

4.6-7.6

7.6-9.8

9.8-10.0

.6

.6

1.2

.3

1.9

3.0

2.2

.2

Observation Well Information

Casing: 5.1-cm diameter galvanized steel, 0-3.0 meters

Screen: Stainless steel 10 slot, 3.0-3.7 meters

Height of casing above land surface: 1.2 meters

Static water level: 2.1 meters below top of casing (08/19/91)

Test Hole Number: MC10

Location: 35.26.18ADDDDD

Land Surface Altitude: 296.7 meters

Sand, fine to medium, loamy, dark brown 0-1.2

Sand, fine to medium, minor silt, saturated, dark brown to brown, lighter with depth 1.2-5.8

Sand, medium to very coarse, with fine gravel, some cobbles, brown 5.8-6.4

Till, red 6.4-7.0

Observation Well Information

Casing: 5.1-cm diameter galvanized steel, 0-2.9 meters

Screen: Stainless steel 10 slot, 2.9-3.5 meters

Height of casing above land surface: 1.4 meters

Static water level: 4.0 meters below top of casing (08/12/91)

1.2

4.6

.6

.6
Table 1 .--Geologic logs of test holes-Continued

Geologic log

Depth 

(meters)

Thickness 

(meters)

Test Hole Number: MC11

Location: 35.26.18ACBBCB

Land Surface Altitude: 297.4 meters

Topsoil, loamy, black

Sand, medium, brown

Sand, coarse to medium, cobbles, brown

Sand, coarse to medium, light brown to brown

Sand, coarse, with some cobbles, dark brown

Sand, coarse, silty, brown

Sand, medium, brown

Till, reddish brown

0-0.9

.9-2.7

2.7-3.4

3.4-4.3

4.9-7.0

7.0-7.6

7.6-10.7

10.7-11.3

0.9

1.8

.7

.9

2.1

.6

3.1

.6

Observation Well Information

Casing: 5.1-cm diameter galvanized steel, 0-2.7 meters

Screen: Stainless steel 10 slot, 2.7-3.4 meters

Height of casing above land surface: 1.5 meters

Static water level: 4.1 meters below top of casing (08/20/91)

Test Hole Number: MC12

Location: 35.26.17BDCCCD

Land Surface Altitude: 297.9 meters

Sand, fine to medium, well sorted, loamy, light brown

Sand, fine to medium, well sorted, brown to light brown

Sand, fine to medium, well sorted, light brown to tan

Sand, coarse to medium, with gravel and pebbles, light brown to brown

Sand, with gravel and pebbles, red to brown

Till, clayey, with pebbles, brown

0-.6

.6-2.1

2.1-5.2

5.2-8.2

8.2-15.8

15.8-16.2

.6

1.5

3.1

3.0

7.6

.4

Observation Well Information

Casing: 5.1-cm diameter galvanized steel, 0-5.0 meters

Screen: Stainless steel 10 slot, 5.0-6.5 meters

Height of casing above land surface: 1.4 meters

Static water level: 6.2 meters below top of casing (08/30/91)

Test Hole Number: MC13

Location: 35.26.17BCABBA

Land Surface Altitude: 298.5 meters

Sand, fine to medium, loamy, dark brown

Sand, medium to fine, light brown to brown

Sand, coarse, with gravel and pebbles, light brown to gray

Sand and gravel interbedded, dark brown to gray

Till, clayey, brown

Observation Well Information

Casing: 5.1-cm diameter galvanized steel, 0-4.9 meters

Screen: Stainless steel 10 slot, 4.9-6.5 meters

Height of casing above land surface: 1.5 meters

Static water level: 6.2 meters below top of casing (08/13/91)

0-2.1

2.1-5.2

5.2-8.2

8.2-11.3

11.3-11.6

2.1 

3.1

3.0

3.1 

.3

10
Table 1 .--Geologic logs of test holes-Continued

Depth Thickness 

Geologic log__________________________________(meters)___(meters)

Test Hole Number: MC14

Location: 35.26.18DADDDD

Land Surface Altitude: 298.8 meters

Sand, fine to medium, loamy, light brown to brown 0-3.7 3.7

Sand, medium to fine, light brown to tan 3.7-5.2 1.5

Sand, medium to coarse, with pebbles, light brown to tan 5.2-8.2 3.0

Sand, coarse, with medium to coarse gravel, light brown to tan 8.2-12.8 4.6

Till, clayey, red to brown 12.8-13.1 .3

Observation Well Information

Casing: 5.1-cm diameter galvanized steel, 0-5.2 meters

Screen: Stainless steel 10 slot, 5.2-6.7 meters

Height of casing above land surface: 1.2 meters

Static water level: 6.8 meters below top of casing (08/30/91)

Test Hole Number: MC15

.Location: 35.26.18BDDABD

Land Surface Altitude: 299.1 meters

Sand, fine to medium, loamy, dark to light brown 0-3.7 3.7

Sand, coarse to medium, with gravel and pebbles, light brown to brown 3.7-8.2 4.5

Sand, medium to coarse, silty, reddish brown 8.2-11.9 3.7

Till, clayey, red brown 11.9-12.8 .9

Observation Well Information

Casing: 5.1-cm diameter galvanized steel, 0-4.5 meters

Screen: Stainless steel 10 slot, 4.5-5.1 meters

Height of casing above land surface: 0.9 meters

Static water level: 5.2 meters below top of casing (08/21/91)

Test Hole Number: MC16

Location: 35.26.18BCCDDD

Land Surface Altitude: 299.2 meters

Sand, fine to medium, loamy, black to brown 0-3.0 3.0

Sand, coarse to medium, brown to gray 3.0-5.2 2.2

Sand, coarse, with gravel and pebbles, brown to gray 5.2-8.2 3.0

Sand, medium to coarse, gray 8.2-9.8 1.6

Sand, medium to coarse, with gravel and pebbles, red to brown 9.8-12.2 2.4

Till, clayey, brown 12.2-12.3 .1

Observation Well Information

Casing: 5.1-cm diameter galvanized steel, 0-4.4 meters

Screen: Stainless steel 10 slot, 4.4-5.0 meters

Height of casing above land surface: 0.9 meters

Static water level: 5.1 meters below top of casing (08/30/91)

11
Table 1 .--Geologic logs of test holes-Continued

Depth Thickness 

Geologic log___________________________________(meters)___(meters)

Test Hole Number: MC17

Location: 35.26.18ABBCCB

Land Surface Altitude: 297.9 meters

Sand, fine to medium, with clay and silt, loamy, black 0-0.6 0.6

Sand, fine to medium, with silt, light brown to brown .6-2.1 1.5

Sand, medium to coarse, orange-brown 2.1-3.7 1.6

Sand, coarse to medium, with fine gravel, brown to gray 3.7-6.7 3.0

Sand, with gravel, silty, reddish brown 6.7-13.1 6.4

Till, clayey, red brown 13.1-13.2 .1

Observation Well Information

Casing: 5.1-cm diameter galvanized steel, 0-3.2 meters

Screen: Stainless steel 10 slot, 3.2-3.8 meters

Height of casing above land surface: 1.1 meters

Static water level: 4.1 meters below top of casing (08/13/91)

Test Hole Number: MC18

Location: 35.27.13ADADAD

Land Surface Altitude: 296.2 meters

Sand, medium to fine, silty, loamy, dark to light brown

Sand, coarse to medium, with gravel, gray to brown

Sand, medium to fine, silty, gray to brown

Sand, fine to medium, silty, red to brown

Till, clayey, red to brown

0-2.1

2.1-6.7

6.7-9.8

9.8-15.5

15.5-16.2

2.1

4.6

3.1

5.7

.7

Observation Well Information

Casing: 5.1-cm diameter galvanized steel, 0-0.5 meters

Screen: Stainless steel 10 slot, 0.5-2.0 meters

Height of casing above land surface: 0.6 meters

Static water level: 1.6 meters below top of casing (08/30/91)

Test Hole Number: MC19

Location: 35.26.18ADAAAC

Land Surface Altitude: 298.0 meters

Sand, fine to medium, loamy, dark to light brown 0-.6 .6

Sand, fine to medium, gray to brown .6-1.9 1.3

Sand, fine to medium, silty, gray to brown 1.9-2.1 .2

Sand, fine to medium, gray to brown 2.1-2.2 .1

Sand, silty, gray to brown 2.2-2.3 .1

Sand, fine to medium, brownish gray 2.3-3.7 1.4

Sand, medium to coarse, brownish gray 3.7-7.3 3.6

Observation Well Information

Casing: 5.1-cm diameter galvanized steel, 0-4.1 meters

Screen: Stainless steel 10 slot, 4.1-4.7 meters

Height of casing above land surface: 1.2 meters

Static water level: 5.1 meters below top of casing (08/16/91)

12
Table 1 .--Geologic logs of test holes-Continued

Geologic log

Depth 

(meters)

Thickness 

(meters)

Test Hole Number: MC20

Location: 35.26.18BBDCBD

Land Surface Altitude: 297.8 meters

Sand, fine to medium, loamy, light orange to brown 

Sand, medium to coarse, light orange to brown 

Sand, medium to coarse, with gravel, dark gray 

Sand, medium to fine, with silt and pebbles, red to brown 

Till, clayey, red to brown

Observation Well Information

Casing: 5.1-cm diameter galvanized steel, 0-2.3 meters

Screen: Stainless steel 10 slot, 2.3-3.8 meters

Height of casing above land surface: 0.9 meters

Static water level: 3.5 meters below top of casing (08/30/91)

0-2.1

2.1-3.7

3.7-5.2

5.2-11.3

11.3-11.9

2.1 

1.6 

1.5 

6.1 

.6

Test Hole Number: MC21

Location: 35.27.12DDDCCD

Land Surface Altitude: 297.8 meters

Sand, fine to medium, loamy, dark brown 

Sand, medium, brown 

Till, clayey, red to brown

Observation Well Information

Casing: 5.1-cm diameter galvanized steel, 0-1.7 meters

Screen: Stainless steel 10 slot, 1.7-3.2 meters

Height of casing above land surface: 0.4 meters

Static water level: 2.7 meters below top of casing (08/30/91)

0-2.1

2.1-11.6

11.6-12.5

2.1

9.5

.9

Test Hole Number: MC22

Location: 35.26.18AACDAC

Land Surface Altitude: 298.6 meters

Sand, fine to medium, loamy, brown

Sand, fine to medium, light brown to tan

Sand, medium to coarse, with gravel and pebbles, light brown to tan

Sand, medium to coarse, with gravel, light gray

Sand, medium to coarse, light gray to brown

Sand, coarse, and gravel, light brown to gray

Sand, fine to very fine, with some coarse sand, light brown

Sand, very fine, silty, light brown

(Core not recovered)

Sand, fine to coarse, with gravel, red brown

Till, clayey with pebbles, red brown

0-.8

.8-2.4

2.44.3

4.5-5.9

5.9-7.1

7.1-7.6

7.6-7.8

7.8-7.9

7.9-8.2

8.2-12.5

12.5-13.4

.8

1.6

1.9

1.4

1.2

.5

.2

.1

.3

4.3

.9

Observation Well Information

Casing: 5.1-cm diameter galvanized steel, Q-4.5 meters

Screen: Stainless steel 10 slot, 4.5-5.1 meters

Height of casing above land surface: 0.8 meters

Static water level: 5.1 meters below top of casing (08/15/91)

13
Table 1 .-Geologic logs of test holes-Continued

Geologic log

Depth 

(meters)

Thickness 

(meters)

Test Hole Number: MC23

Location: 35.26.18CAABDC

Land Surface Altitude: 299.7 meters

Sand, fine to medium, loamy, dark brown to black

Sand, fine to medium, dark brown to tan

Sand, coarse to medium, with gravel, light brown to gray

Sand, medium to fine, light brown to gray

Sand, fine, with pebbles, silty, red to brown

Till, clayey, red to brown

Observation Well Information

Casing: 5.1-cm diameter galvanized steel, 0-4.9 meters

Screen: Stainless steel 10 slot, 4.9-6.4 meters

Height of casing above land surface: 0.5 meters

Static water level: 5.6 meters below top of casing (08/30/91)

0-0.6

.6-5.2

5.2-9.8

9.8-10.4

10.4-12.5

12.5-14.9

0.6

4.6

4.6

.6

2.1 

2.4

Test Hole Number: MC24

Location: 35.27.13ADCDDC

Land Surface Altitude: 298.5 meters

Sand, fine to medium, brown to light brown

Sand, medium to coarse, with gravel, light brown to gray

Sand, fine to coarse, with some gravel, light brown to gray

Silty sand to sandy silt, with gravel, red to brown

Till, clayey

0-3.7

3.7-6.7

6.7-7.0

7.0-12.8

12.8-13.1

3.7

3.0

.3

5.8

.3

Observation Well Information

Casing: 5.1-cm diameter galvanized steel, 0-3.0 meters

Screen: Stainless steel 10 slot, 3.0-4.6 meters

Height of casing above land surface: 1.2 meters

Static water level: 4.6 meters below top of casing (08/30/91)

Test Hole Number: MC25

Location: 35.26.07CDCDBB

Land Surface Altitude: 297.4 meters

Sand, fine to medium, loamy, dark gray to brown

Sand, medium to coarse, with gravel, gray to brown

Sand, fine to medium, silty, gray to brown

Sand, medium, gray to brown

Sand, fine to medium, with gravel and pebbles, gray to brown

Sandy silt, with pebbles, red to brown

Till, clayey, with pebbles, red to brown

Observation Well Information

Casing: 5.1-cm diameter galvanized steel, 0-2.3 meters

Screen: Stainless steel 10 slot, 2.3-3.8 meters

Height of casing above land surface: 0.7 meters

Static water level: 3.1 meters below top of casing (08/30/91)

0-3.0

3.04.0

4.04.3

4.3-5.2

5.2-12.5

12.5-13.1

13.1-13.4

3.0

1.0

.3

.9

7.3

.6

.3

14
Table 1 .--Geologic logs of test holes-Continued

Depth Thickness 

Geologic log_________________________________(meters)___(meters)

Test Hole Number: MC26

Location: 35.26.18ADCDCD

Land Surface Altitude: 298.4 meters

Sand, fine to medium, loamy, dark brown

Sand, fine to medium, dark brown

Sand, fine to medium, silty, brown

Sand, fine to medium, brown

Sand, fine to medium, silty, brown

Sand, fine to medium, brown

Sand, medium to very coarse, with gravel, fine to medium, brown

Gravel, fine to coarse, clean, brown

Till, reddish brown

0-0.8

.8-1.7

1.7-2.0

2.0-2.5

2.5-2.7

2.7-5.8

5.8-7.6

7.6-10.7

10.7-11.0

0.8

.9

.3

.5

.2

3.1

1.8

3.1

.3

Observation Well Information

Casing: 5.1-cm diameter galvanized steel, 0-4.4 meters

Screen: Stainless steel 10 slot, 4.4-5.0 meters

Height of casing above land surface: 0.7 meters

Static water level: 4.9 meters below top of casing (08/19/91)

Test Hole Number: MC27

Location: 35.26.18ACDCDD

Land Surface Altitude: 296.2 meters

Sand, medium, loamy, black

Sand, medium, with fine gravel, brown

Sand, fine to medium, silty, with cobbles

Sand, medium, with gravel, fine, brown

Sand, coarse, with gravel, fine, brown

0-.6

.6-1.5

1.6-2.1

2.1-3.7

3.7-5.2

.6

.9

.5

1.6

1.5

Observation Well Information

Casing: 5.1-cm diameter galvanized steel, 0-2.1 meters

Screen: Stainless steel 10 slot, 2.1-2.7 meters

Height of casing above land surface: 1.2 meters

Static water level: 2.9 meters below top of casing (08/19/91)

15
Table 1 .--Geologic logs of test holes-Continued

Geologic log

Depth 

(meters)

Thickness 

(meters)

Test Hole Number: MC28

Location: 35.26.18ACABDC

Land Surface Altitude: 298.4 meters

Sand, fine to medium, loamy, black to dark brown

Sand, medium, light brown to brown

Sand, medium to coarse, dark brown to brown

Sand, coarse to very coarse, dark brown

Sand, medium, gray to brown

Sand, medium, silty, dark brown to brown

Sand, medium, gray to brown

Sand, coarse, with gravel, gray

Sand, medium to coarse, gray to brown

Sand, fine to medium, brown to dark brown

(Core not recovered)

Sand, coarse to medium, with gravel, gray to brown

Sand, coarse to medium, silty, with gravel, gray

Till, clayey, with pebbles, red to brown

Observation Well Information

Casing: 5.1-cm diameter galvanized steel, 0-4.2 meters

Screen: Stainless steel 10 slot, 4.2-4.8 meters

Height of casing above land surface: 0.1 meters

Static water level: 3.9 meters below top of casing (08/16/91)

0-0.8 

.8-2.3 

2.3-3.3 

3.3-6.0 

6.0-6.5 

6.5-6.8 

6.8-7.3 

7.3-7.6 

7.6-7.9

7.9-8.0

8.0-8.2

8.2-9.4

9.4-12.5

12.5-12.8

Observation Well Information

Casing: 5.1-cm diameter galvanized steel, 0-4.1 meters

Screen: Stainless steel 10 slot, 4.1-4.7 meters

Height of casing above land surface: 0.7 meters

Static water level: 4.3 meters below top of casing (08/15/91)

0.8

1.5

1.0

2.7

.5

.3

.5

.3

.3

.1

.2

1.2

3.1

.3

Test Hole Number: MC29 

Location: 35.26. 18ADBACA 

Land Surface Altitude: 297.9 meters

Sand, fine, loamy, dark brown to brown

sand, fine to coarse, light brown to tan

Sand, medium to fine, light brown to tan

(Core not recovered)

Sand, very fine, light brown

Sand, fine to medium, light brown to tan

Sand, medium to coarse, light brown to gray

Sand, fine to coarse, silty, light brown to gray

Sand, coarse with gravel, light brown to gray

Sand, fine to very fine, light brown to tan

(Core not recovered)

Sand, fine to medium, light brown to gray

Sand, coarse to medium, light brown to gray

(Core not recovered)

Sand, medium, gray to brown

Sand, medium, with gravel and pebbles, red to brown

Till, clayey, red brown

0-.3

.3-1.4

1.4-2.4

2.4-2.7

2.7-2.8

2.8-3.0

3.0-3.3

3.3-3.5

3.5^.0

4.0-4.1

4.1-4.3

4.3-4.5

4.5-5.5

5.5-5.8

5.8-6.7

6.7-12.8

12.8-12.9

.3

1.1

1.0

.3

.1

.2

.3

.2

.5

.1

.2

.2

1.0

.3

.9

6.1

.1

16
Table 1 .--Geologic logs of test holes-Continued

Depth Thickness 

Geologic log_________________________________(meters)___(meters)

Test Hole Number: MC30

Location: 35.26.19AAAAAA

Land Surface Altitude: 298.6 meters

Sand, medium to fine, loamy, brown 0-0.6 0.6

Sand, medium to fine, brown .6-5.2 4.6

Sand, coarse, coarse gravel, 5.2-12.8 7.6

Sand, coarse, coarse to fine gravel 12.8-18.9 6.1

Sand, fine, interbedded with clay 18.9-19.5 .6

Till, red 19.5-19.8 .3

Observation Well Information

Casing: 5.1-cm diameter galvanized steel, 0-5.1 meters

Screen: Stainless steel 10 slot, 5.1-6.0 meters

Height of casing above land surface: 0.7 meters

Static water level: 6.5 meters below top of casing (08/30/91)

Test Hole Number: MC31

Location: 35.26.19ABBBBB

Land Surface Altitude: 299.2 meters

Sand, medium to fine, loamy, black

Sand, medium to fine, brown

Sand, coarse to medium, brown

Sand, coarse

Sand, medium to fine, light brown

Till, red

0-.6

.6-3.7

3.7-6.7

6.7-9.1

9.1-10.0

10.0-10.4

.6

3.1

3.0

2.4

.9

.4

Observation Well Information

Casing: 5.1-cm diameter galvanized steel, 04.5 meters

Screen: Stainless steel 10 slot, 4.5-5.5 meters

Height of casing above land surface: 0.9 meters

Static water level: 6.4 meters below top of casing (08/30/91)

Test Hole Number: MC32

Location: 35.27.24AAAAAA

Land Surface Altitude: 299.3 meters

Sand, fine, loamy, black 0-.3 .3

Sand, medium to fine, light brown .34.9 4.6

Sand, medium to fine with cobbles 4.9-6.4 1.5

Sand, coarse to medium, brown 6.4-9.1 2.7

Sand, coarse to medium, reddish 9.1-13.7 4.6

Sand, coarse, reddish 13.7-14.0 .3

Till, gray 14.0-14.3 .3

Observation Well Information

Casing: 5.1-cm diameter galvanized steel, 0-4.3 meters

Screen: Stainless steel 10 slot, 4.3-5.3 meters

Height of casing above land surface: 1.1 meters

Static water level: 5.3 meters below top of casing (08/30/91)

17
Table 1 .--Geologic logs of test holes-Continued

Depth Thickness 

Geologic log_________________________________(meters)___(meters)

Test Hole Number: MC33

Location: 35.26.18AABCDA

Land Surface Altitude: 296.1 meters

Sand, fine, loamy, dark brown

Sand, fine, black

Sand, fine, dark brown to black

Cobbles

Sand, coarse, with fine gravel, black

Sand, coarse, with fine gravel, brown

Sand, medium to fine, silty

Sand, medium gravel, coarse clay interbedded

Till, red

0-0.3

.3-1.8

1.8-3.0

3.0-3.4

3.0-7.6

7.6-14.0

14.0-14.6

14.6-15.5

15.5-16.2

0.3

1.5

1.2

.4

4.6

6.4

.6

.9

.7

Observation Well Information

Casing: 5.1-cm diameter galvanized steel, 0-1.8 meters

Screen: Stainless steel 10 slot, 1.8-2.7 meters

Height of casing above land surface: 0.2 meters

Static water level: 2.0 meters below top of casing (8/16/91)

Test Hole Number: MC34

Location: 35.26.18AAACCD

Land Surface Altitude: 295.1 meters

Sand, medium to fine, loamy, dark brown

Sand, medium to fine, black

Sand, coarse gray

Sand, silty, reddish

Sand, coarse, with lenses of sandy silt and clay

Till, with lenses of fine sand

0-.6

.6-5.2

5.2-6.7

6.7-8.2

8.2-11.0

11.0-11.3

.6

4.6

1.5

1.5

2.8

.3

Observation Well Information

Casing: 5.1-cm diameter galvanized steel, 0-1.2 meters

Screen: Stainless steel 10 slot, 1.2-2.1 meters

Height of casing above land surface: 0.5 meters

Static water level: 1.5 meters below top of casing (8/16/91)

18
Table 1 .--Geologic logs of test holes-Continued

Depth Thickness 

Geologic log__________________________________(meters)___(meters)

Test Hole Number: A30

Location: 35.26.18ACBD

Land Surface Altitude: 298.8 meters

Sand, fine to medium, loamy, dark brown

Sand, loamy, brown

Sand, medium to fine, brown to tan

Sand, medium to fine, brown

Sand, medium, silty, brown

Sand, medium, brown

Sand, medium, brown

Sand, medium to coarse, brown

Sand, very coarse, with pebbles, brown

Sand, very coarse, brown

Gravel, dark brown

Clay and sand interbedded, red

Till, red

0-0.1

.1-.5

.5-1.3

1.3-1.5

1.5-2.0

2.0-3.0

3.0-3.4

3.4-3.9

3.9-7.9

7.9-10.0

10.0-13.1

13.1-14.6

14.6-14.7

0.1

.4

.8

.2

.5

1.0

.4

.5

4.0

2.1

3.1

1.5

.1

Observation Well Information

Casing: 5.1-cm diameter schedule 80 polyvinylchloride: 0-4.7 meters

Screen: Stainless steel 10 slot, 4.7-4.9 meters

Height of casing above land surface: 0.6 meters

Static water level: 4.8 meters below top of casing (8/14/91)

Test Hole Number: A70

Location: 35.26.18ACBD

Land Surface Altitude: 298.9 meters

Sand, medium, loamy, dark brown 0-1.5 1.5

Sand, medium, brown 1.5-3.0 1.5

Sand, medium to coarse, brown 3.0-4.6 1.6

Sand, coarse to very coarse, dark brown 4.6-6.1 1.5

Sand, coarse to very coarse, dark brown 6.1-7.3 1.2

Multiport Well Information

Casing: 5.1-cm diameter schedule 80 polyvinylchloride: 0-5.4 meters

Screen: Six 0.6 cm diameter, 2.5 cm long, multiport screens at 0.5 meter spacings between, 4.5 and 5.4 meters

Height of casing above land surface: 0.2 meters

Static water level: 4.5 meters below top of casing (1/14/92)

19
Table 1 .--Geologic logs of test holes-Continued

Depth Thickness 

Geologic log___________________________________(meters)___(meters)

Test Hole Number: A400

Location: 35.26.18ACDBAA

Land Surface Altitude: 297.9 meters

Sand, fine to medium, loamy, dark brown

Sand, fine to medium, dark brown to light brown

(Core not recovered)

Sand, medium to coarse, brown

Sand, coarse to very coarse, with gravel, brown

Sand, coarse to medium, brown

(Core not recovered)

Sand, fine, with gravel and pebbles, brown

Sand, fine, with very-coarse gravel, pebbles, and cobbles, brown

Sand, coarse to very coarse, brown to dark brown

Sand, coarse, silty, lenses of fine silt, red to reddish-brown

Till, hard, red

0-0.5

.5-1.2

1.2-1.5

1.5-1.9

1.9-2.5

2.5-2.7

2.7-3.0

3.0-3.2

3.2-3.4

3.4-6.7

6.7-10.7

10.7-11.3

0.5

.7

.3

.4

.6

.2

.3

.2

.2

3.3

4.0

.6

Multiport Well Information

Casing: 5.1-cm diameter schedule 80 polyvinylchloride: 0-6.1 meters

Screen: Six 0.6 cm diameter, 2.5 cm long, multiport screens at 0.5 meter spacings between, 3.5 and 6.1 meters

Height of casing above land surface: 0.4 meters

Static water level: 3.4 meters below top of casing (05/03/91)

Test Hole Number: A800

Location: 35.26.18ACDA

Land Surface Altitude: 297.1 meters

Sand, fine, loamy, dark brown 0-.4 .4

Sand, fine, brown .4-.6 .2

Sand, fine, light brown .6-.7 .1

Sand, medium, light brown .7-1.8 1.1

Sand, coarse, brown 1.8-3.7 1.9

Sand, coarse, gray 3.7-5.2 1.5

Sand, fine to coarse, gray 5.2-8.2 3.0

Sand, fine, silty, reddish 8.2-11.0 2.8

Till, red 11.0-11.6 .6

Multiport Well Information

Casing: 5.1-cm diameter schedule 80 polyvinylchloride: 0-5.7 meters

Screen: Six 0.6 cm diameter, 2.5 cm long, multiport screens at 0.5 meter spacings between, 3.1 and 5.7 meters

Height of casing above land surface: 0.7 meters

Static water level: 3.7 meters below top of casing (8/14/91)

20
Table 1 .--Geologic logs of test holes-Continued

Depth Thickness 

Geologic log__________________________________(meters)___(meters)

Test Hole Number: A880

Location: 35.26.18ACDA

Land Surface Altitude: 296.9 meters

Sand, fine to medium, loamy, dark brown

Sand, medium, brown

Sand, medium to coarse

Sand, very coarse

Sand, medium to coarse

0-0.6

.6-1.5

1.5-3.0

3.0-4.6

4.6-5.8

0.6

.9

1.5

1.6

1.2

Multiport Well Information

Casing: 5.1-cm diameter schedule 80 polyvinylchloride: 0-5.5 meters

Screen: Six 0.6 cm diameter, 2.5 cm long, multiport screens at 0.5 meter spacings between, 2.3 and 5.5 meters

Height of casing above land surface: 0.3 meters

Static water level: 1.9 meters below top of casing (1/15/92)

Test Hole Number: B30

Location: 35.26.18ACBA

Land Surface Altitude: 298.2 meters

Sand, fine to medium, loamy, dark brown

Sand, fine to medium, brown

Sand, medium, brown

Sand, coarse, brown

Sand, very coarse, with pebbles, brown

Sand, very coarse, with pebbles, dark brown

Sand, brown

Till, red

0-.3

.3-1.5

1.5-3.3

3.3-3.9

3.9-4.4

4.4-6.1

6.1-11.3

11.3-11.4

.3

1.2

1.8

.6

.5

1.7

5.2

.1

Observation Well Information

Casing: 5.1-cm diameter schedule 80 polyvinylchloride: 0-4.2 meters

Screen: Stainless steel 10 slot, 4.1-4.2 meters

Height of casing above land surface: 0.6 meters

Static water level: 3.4 meters below top of casing (5/15/91)

Test Hole Number: B70

Location: 35.26.18ACBA

Land Surface Altitude: 298.3 meters

Sand, medium, loamy, brown .3-1.5 1.2

Sand, coarse, brown 1.5-3.0 1.5

Sand, coarse to very coarse 3.0-3.6 .6

Sand, very coarse 3.6-4.1 .5

Silt 4.1-4.2 .1

Sand, coarse to very coarse 4.6-5.8 1.2

Multiport Well Information

Casing: 5.1-cm diameter schedule 80 polyvinylchloride: 0-4.6 meters

Screen: Six 0.6 cm diameter, 2.5 cm long, multiport screens at 0.5 meter spacings between, 3.6 and 4.6 meters

Height of casing above land surface: 0.7 meters

Static water level: 3.9 meters below top of casing (1/16/92)

21
Table 1 .--Geologic logs of test holes-Continued

Geologic log

Depth 

(meters)

Thickness 

(meters)

Test Hole Number: B400

Location: 35.26.18ACAACC

Land Surface Altitude: 297.7 meters

Sand, fine to medium, loamy, dark brown

Sand, fine to medium, brown

Sand, medium to coarse, brown

Sand, coarse, brown

Sand, medium to coarse, brown

Sand, medium, brown

Sand, coarse to very coarse, with some lenses of medium sand, brown

Sand, medium, brown

Sand, medium to coarse, brown

Sand, medium, with gravel and cobbles, brown

Sand, very coarse, with gravel, gray

Sand, very coarse, with gravel and silt, gray

Sand, coarse, silty

Till, red to brown

0-0.5

.5-1.7

1.7-1.8

1.8-2.1

2.1-2.3

2.3-3.2

3.2^.6

4.6^.8

4.8-5.4

5.4-5.6

5.6-8.2

8.2-9.8

9.8-12.2

12.2-12.8

0.5

1.2

.1

.3

.2

.9

1.4

.2

.6

.2

2.6

1.6

2.4

.6

Multiport Well Information

Casing: 5.1-cm diameter schedule 80 polyvinylchlori.de: 0-6.0 meters

Screen: Six 0.6 cm diameter, 2.5 cm long, multiport screens at 0.5 meter spacings between, 3.5 and 6.0 meters

Height of casing above land surface: 0.5 meters

Static water level: 3.7 meters below top of casing (4/29/91)

Test Hole Number: B800

Location: 35.26.18ACAD

Land Surface Altitude: 297.8 meters

Sand, fine, loamy, dark brown

Sand, fine, brown

Sand, fine, tan to light brown

Sand, medium to fine, light brown

Sand, fine to medium, light brown

Sand, medium to fine, light brown

Sand, medium, light brown

Sand, medium to coarse, light brown

Sand, medium, light brown

Sand, medium to fine, gray to light brown

Sand, coarse, with gravel, gray to light brown

Sand, coarse to very coarse, gray to brown

Sand, medium to fine, silty, reddish

Till, clayey, red

0-.5

.5-.7

.7-.9

.9-1.1

1.1-1.3

1.3-1.5

1.5-1.8

1.8-2.4

2.4-2.7

3.0-3.5

3.5-3.8

3.8-6.7

6.7-11.3

11.3-11.9

.5

.2

.2

.2

.2

.2

.3

.6

.3

.5

.3

2.9

4.6

.6

Multiport Well Information

Casing: 5.1-cm diameter schedule 80 polyvinylchlori.de: 0-6.4 meters

Screen: Six 0.6 cm diameter, 2.5 cm long, multiport screens at 0.5 meter spacings between, 3.9 and 6.4 meters

Height of casing above land surface: 0.5 meters

Static water level: 3.2 meters below top of casing (8/1/91)

22
Table 1 .--Geologic logs of test holes-Continued

Depth Thickness 

Geologic log_________________________________(meters)___(meters)

Test Hole Number: B880

Location: 35.26.18ACAD

Land Surface Altitude: 298.1 meters

Sand, medium, loamy, dark brown

Sand, medium, light brown

Sand, medium

Sand, coarse

Sand, fine

Sand, coarse

Sand to fine gravel

0-0.2

.2:9

3.0-3.3

3.3^.1

4.1^.2

4.2^.3

4.6-6.1

0.2

.7

.3

.8

.1

.1

1.5

Multiport Well Information

Casing: 5.1-cm diameter schedule 80 polyvinylchloride: 0-4.1 meters

Screen: Six 0.6 cm diameter, 2.5 cm long, multiport screens at 0.5 meter spacings between, 3.2 and 4.1 meters

Height of casing above land surface: 0.4 meters

Static water level: 3.7 meters below top of casing (1/16/92)

Test Hole Number: C30

Location: 35.26.18ABCD

Land Surface Altitude: 298.2 meters

Sand, fine to medium, loamy, dark brown

Sand, fine to medium, brown to light brown

Sand, medium to fine, brown

Sand, medium to coarse, brown

Sand, medium to fine, brown

Sand, medium, brown

Sand, medium to coarse, brown

Sand, medium to very coarse, brown

Sand, coarse, brown

Sand, very coarse

Clay, red

Till, red

0-.6

.6-1.2

1.2-1.7

1.7-2.1

2.1-2.7

2.7-3.0

3.0-3.3

3.3^.1

4.1-12.8

12.8-14.3

14.3-14.9

14.9-15.0

.6

.6

.5

.4

.6

.3

.3

.8

8.7

1.5

.6

.1

Observation Well Information

Casing: 5.1-cm diameter schedule 80 polyvinylchloride: 0-4.0 meters

Screen: Stainless steel 10 slot, 3.8-4.0 meters

Height of casing above land surface: 0.6 meters

Static water level: 3.4 meters below top of casing (5/14/91)

23
Table 1 .--Geologic logs of test holes-Continued

Depth Thickness 

Geologic log_________________________________(meters)___(meters)

Test Hole Number: C70

Location: 35.26.18ABCD

Land Surface Altitude: 298.2 meters

Sand, fine, loamy, dark brown

Sand, fine to medium, brown

Sand, medium, brown

Sand, fine to medium, brown

Sand, coarse to medium, light gray

0-0.3

1.5-2.6

3.0-4.2

4.6-5.5

5.5-5.7

0.3

1.1

1.2

.9

.2

Multiport Well Information

Casing: 5.1-cm diameter schedule 80 polyvinylchloride: 0-5.7 meters

Screen: Six 0.6 cm diameter, 2.5 cm long, multiport screens at 0.5 meter spacings between, 4.8 and 5.7 meters

Height of casing above land surface: 0.6 meters

Static water level: 4.2 meters below top of casing (1/29/92)

Test Hole Number: C400

Location: 35.26.18ACAABB

Land Surface Altitude: 298.2 meters

Sand, fine to medium, loamy, dark brown

Sand, fine to medium, brown

Sand, fine to medium, light brown

Sand, medium, light brown

Sand, fine to medium, silty, light brown

Sand, fine to medium, light brown

Sand, medium to fine, light brown

Sand, medium, light brown

Sand, medium to coarse, light brown to gray

Sand, very coarse to coarse, brown

Sand, medium to coarse, brown

Sand, very coarse, with gravel, reddish brown

Sand, fine, silty, reddish brown

Till, red

0-.5

.5-.8

.8-1.8

1.8-2.6

2.6-2.8

3.0-3.2

3.2-3.4

3.4A3

4.6-5.9

5.9-6.7

6.7-8.2

8.2-9.8

9.8-12.5

12.5-13.4

.5

.3

.7

.8

.2

.2

.2

.9

1.3

.8

1.5

1.6

2.7

.9

Multiport Well Information

Casing: 5.1-cm diameter schedule 80 polyvinylchloride: 0-6.1 meters

Screen: Six 0.6 cm diameter, 2.5 cm long, multiport screens at 0.5 meter spacings between, 3.5 and 6.1 meters

Height of casing above land surface: 0.3 meters

Static water level: 0.5 meters below top of casing (5/1/91)

24
Table 1 .--Geologic logs of test holes-Continued

Geologic log

Depth 

(meters)

Thickness 

(meters)

Test Hole Number: C800

Location: 35.26.18ACAA

Land Surface Altitude: 297.9 meters

Sand, fine, loamy, dark brown

Sand, fine, brown

Sand, fine, light brown

Sand, fine to medium, light brown

Sand, medium, brown

Sand, medium to coarse, brown

Sand, coarse to very coarse, brown

Sand, coarse to very coarse, tan to gray

Sand, medium to coarse, brown

Sand, coarse, brown

Sand, coarse, silty

Sand, medium, silty

Sand, fine to medium, silty, pebbles, reddish

Till, red

0-0.5

.5-.8

.8-1.2

1.2-1.5

1.5-2.7

2.7-3.0

3.0^.6

4.6^.8

4.8-5.9

5.9-6.7

6.7-8.2

8.2-9.8

9.8-12.8

12.8-12.9

0.5

.3

.4

.3

1.2

.3

1.6

.2

1.1

.8.

1.5

1.6

3.0

.1

Multiport Well Information

Casing: 5.1-cm diameter schedule 80 polyvinylchloride: 0-5.7 meters

Screen: Six 0.6 cm diameter, 2.5 cm long, multiport screens at 0.5 meter spacings between, 3.2 and 5.7 meters

Height of casing above land surface: 0.5 meters

Static water level: 3.6 meters below top of casing (5/12/91)

Test Hole Number: C880

Location: 35.26.18ACAA

Land Surface Altitude: 298.1 meters

Sand, medium, loamy, dark brown 

Sand, medium, light brown 

Sand, coarse, dark brown

0-1.5 

1.5-3.0 

4.6-6.1

1.5 

1.5 

1.5

Multiport Well Information

Casing: 5.1-cm diameter schedule 80 polyvinylchloride: 0-6.1 meters

Screen: Six 0.6 cm diameter, 2.5 cm long, multiport screens at 0.5 meter spacings between, 3.6 and 6.1 meters

Height of casing above land surface: 0.4 meters

Static water level: 4.1 meters below top of casing (3/3/92)

25
Table 1 .--Geologic logs of test holes-Continued

Geologic log

Depth 

(meters)

Thickness 

(meters)

Test Hole Number: D30

Location: 35.26.18ABCC

Land Surface Altitude: 297.8 meters

Sand, fine to medium, loamy, dark brown 0-0.7

Sand, fine to medium, brown .7-1.5

Sand, medium, silty, brown 1.5-3.0

Sand, medium to coarse, brown 3.0-3.4

Sand, fine, brown 3.4-4.6

Sand, coarse 4.6-12.2

Sand, coarse, silty, red to brown 12.2-16.5

Till, red to brown 16.5-16.6

Observation Well Information

Casing: 5.1-cm diameter schedule 80 polyvinylchloride: 0-4.1 meters

Screen: Stainless steel 10 slot, 3.9-4.1 meters

Height of casing above land surface: 0.5 meters

Static water level: 3.1 meters below top of casing (5/13/91)

0.7

.8

1.5

.4

1.2

7.6

4.3

.1

Test Hole Number: D70

Location: 35.26.18ABCC

Land Surface Altitude: 297.6 meters

Sand, medium, loamy, dark brown 

Sand, medium to coarse, red 

Sand, very coarse, red

0-1.5 

1.5-3.0 

3.0-5.5

1.5 

1.5 

2.5

Multiport Well Information

Casing: 5.1-cm diameter schedule 80 polyvinylchloride: 0-5.3 meters

Screen: Six 0.6 cm diameter, 2.5 cm long, multiport screens at 0.5 meter spacings between, 2.8 and 5.3 meters

Height of casing above land surface: 0.4 meters

Static water level: 4.2 meters below top of casing (3/3/92)

26
Table 1 .--Geologic logs of test holes-Continued

Geologic log

Depth 

(meters)

Thickness 

(meters)

Test Hole Number: D400

Location: 35.26.18ABDDBB

Land Surface Altitude: 298.1 meters

Sand, fine to medium, loamy, dark brown

Sand, fine to medium, brown

Sand, fine to medium, light brown

Sand, medium to coarse, light brown

Sand, coarse to medium, with gravel, light brown

Sand, coarse, with medium gravel, light brown to gray

Sand, medium to fine, with some coarse sand, light brown

Sand, medium with coarse sand, light brown

Sand, coarse, brown to gray

Sand, medium to coarse, brown to gray

Sand, medium to coarse, with some gravel, silty, brown to gray

Till, red

0-0.6

.6-.9

.9-1.2

1.5-2.7

3.0-3.4

3.4-4.1

4.1-4.2

4.6-5.9

5.9-8.2

8.2-9.8

9.8-12.8

12.8-13.1

0.6

.3

.3

1.2

.4

.7

.1

1.3

2.3

1.6

3.0

.3

Multiport Well Information

Casing: 5.1-cm diameter schedule 80 polyvinylchloride: 0-6.1 meters

Screen: Six 0.6 cm diameter, 2.5 cm long, multiport screens at 0.5 meter spacings between, 3.6 and 6.1 meters

Height of casing above land surface: 0.5 meters

Static water level: 3.5 meters below top of casing (5/2/91)

Test Hole Number: D800

Location: 35.26.18AACCAB

Land Surface Altitude: 296.7 meters

Sand, fine to medium, loamy, dark brown

Sand, medium to fine, brown

Sand, medium, brown

Sand, medium to coarse, brown

Sand, coarse, brown

Sand, coarse to very coarse, brown

0-.8 

.8-1.5 

1.5-1.9 

1.9-2.4 

2.4-3.0 

3.0-6.7

.7 

.4 

.5 

.6 

3.7

Multiport Well Information

Casing: 5.1-cm diameter schedule 80 polyvinylchloride: 0-6.0 meters

Screen: Six 0.6 cm diameter, 2.5 cm long, multiport screens at 0.5 meter spacings between, 3.5 and 6.0 meters

Height of casing above land surface: 0.73 meters

Static water level: 4.2 meters below top of casing (5/7/91)

27
Table 1 .--Geologic logs of test holes-Continued

Depth Thickness 

Geologic log_________________________________(meters)___(meters)

Test Hole Number: D880

Location: 35.26.18AACC

Land Surface Altitude: 297.4 meters

Sand, medium, loamy, dark brown

Sand, medium to coarse

Sand, medium, to fine gravel, reddish brown

Sand, very coarse

0.6-1.5

1.5-3.0

3.0-6.1

6.1-7.6

0.9

1.5

3.1

1.5

Multiport Well Information

Casing: 5.1-cm diameter schedule 80 polyvinylchloride: 0-6.1 meters

Screen: Six 0.6 cm diameter, 2.5 cm long, multiport screens at 0.5 meter spacings between, 3.6 and 6.1 meters

Height of casing above land surface: 0.6 meters

Static water level: 2.2 meters below top of casing (1/15/92)

Test Hole Number: E30

Location: 35.26.18ABACCC

Land Surface Altitude: 297.8 meters

Sand, fine to medium, loamy, dark brown

Sand, medium to fine, brown

Sand, fine to medium, brown

Sand, medium, brown

Sand, very coarse, brown

Sand, coarse to very coarse, brown

Sand, medium to very coarse, brown

Sand, coarse to medium, brown

0-.3

.3-1.0

1.0-1.2

1.5-2.7

3.0-3.3

3.3-3.7

3.7-3.9

3.9-4.4

.3

.7

.2

1.2

.3

.4

.2

.5

Observation Well Information

Casing: 5.1-cm diameter schedule 80 polyvinylchloride: 0-4.4 meters

Screen: Stainless steel 10 slot, 4.3-4.4 meters

Height of casing above land surface: ? meters

Static water level: 3.7 meters below top of casing (8/30/91)

Test Hole Number: E70

Location: 35.26.18ABAC

Land Surface Altitude: 298.0 meters

Sand, fine, loamy, light tan

Sand, very fine, brown

Sand, medium, light tan

Sand, medium, light brown

Sand, coarse, gray to brown

1.5-2.3

2.3-2.4

2.4-2.6

3.0-5.6

5.6-5.8

.8

.1

.2

1.7

.2

Multiport Well Information

Casing: 5.1-cm diameter schedule 80 polyvinylchloride: 0-4.0 meters

Screen: Six 0.6 cm diameter, 2.5 cm long, multiport screens at 0.5 meter spacings between, 3.0 and 4.0 meters

Height of casing above land surface: 0.6 meters

Static water level: 3.9 meters below top of casing (1/29/92)

28
Table 1 .--Geologic logs of test holes-Continued

Geologic log

Depth 

(meters)

Thickness 

(meters)

Test Hole Number: E400

Location: 35.26.18AAC

Land Surface Altitude: 298.2 meters

Sand, fine to medium, loamy, dark brown

Sand, medium, brown

Sand, fine, brown

Sand, medium, brown

Sand, fine, brown

Sand, fine to medium, brown

Sand, medium to coarse, brown

Sand, coarse, brown

Sand, coarse, to fine gravel, brown

0-0.7

.7-1.2

1.5-2.0

2.0-3.0

3.0-3.3

3.3^.0

4.0^.1

4.6^.7

4.7-4.8

0.7

.5

.5

1.0

.3

.7

.1

.1

.1

Multiport Well Information

Casing: 5.1-cm diameter schedule 80 polyvinylchloride: 0-4.1 meters

Screen: Six 0.6 cm diameter, 2.5 cm long, multiport screens at 0.5 meter spacings between, 1.9 and 4.1 meters

Height of casing above land surface: 0.5 meters

Static water level: 4.5 meters below top of casing (3/6/92)

Test Hole Number: E800

Location: 35.26.18AACBAC

Land Surface Altitude: 296.0 meters

Sand, fine, loamy, dark brown

Sand, fine to medium, brown

Sand, fine to medium, light brown

(Core not recovered)

Sand, fine to medium, light brown

Sand, fine, brown

Sand, very fine, brown

Sand, medium to coarse, with fine gravel, brown

Sand, coarse, with fine gravel, gray to brown

Sand, coarse to medium, with fine gravel, gray

Sand, with some fine gravel, silty, poorly sorted, red to brown to gray

Till, with clay, reddish brown

0-.4

.4-.7

.7-1.2

1.2-1.5

1.5-1.7

1.7-2.0

2.0-3.0

3.0^.4

4.4-7.6

7.6-12.2

12.2-16.8

16.8-16.9

.4

.3

.5

.3

.2

.3

1.0

1.4

3.2

4.6

4.6

.1

Multiport Well Information

Casing: 5.1-cm diameter schedule 80 polyvinylchloride: 0-5.6 meters

Screen: Six 0.6 cm diameter, 2.5 cm long, multiport screens at 0.5 meter spacings between, 3.0 and 5.6 meters

Height of casing above land surface: 0.8 meters

Static water level: 2.1 meters below top of casing (5/10/91)

29
Table 1 .--Geologic logs of test holes-Continued

Depth Thickness 

Geologic log___________________________________(meters)___(meters)

Test Hole Number: E880

Location: 35.26.18AACB

Land Surface Altitude: 296.5 meters

Sand, medium, loamy, dark brown 0-0.6 0.6

Sand, medium, brown .6-1.5 .9

Sand, medium, reddish brown 1.5 -3.0 1.5

Multiport Well Information

Casing: 5.1-cm diameter schedule 80 polyvinylchloride: 0-3.7 meters

Screen: Six 0.6 cm diameter, 2.5 cm long, multiport screens at 0.5 meter spacings between, 5.1 and 3.7 meters

Height of casing above land surface: 1.0 meters

Static water level: 2.4 meters below top of casing (1/15/92)

Test Hole Number: R1

Location: 35.26.1ABBBAD

Land Surface Altitude: 296.4 meters

Sand, fine to medium, loamy, dark brown 0-.8 .8

Sand, medium to fine, dark brown to brown .8-1.4 .6

(Core not recovered) 1.4-1.5 .1

Sand, medium to coarse, brown 1.5-2.2 .7

Sand, medium to very coarse, brown 2.2-2.5 .3

(Core not recovered) 2.5-3.0 .5

Sand, medium to coarse, light brown 3.0-3.4 .4

Sand, medium to coarse, brown 3.4-3.5 .1

Sand, coarse to very coarse, brown 3.5-3.7 .2

Sand, very coarse, brown 3.7-4.9 1.2

Multiport Well Information

Casing: 5.1-cm diameter schedule 80 polyvinylchloride: 0-4.7 meters

Screen: Six 0.6 cm diameter, 2.5 cm long, multiport screens at 0.5 meter spacings between, 2.2 and 4.7 meters

Height of casing above land surface: 1.2 meters

Static water level: 3.5 meters below top of casing (5/6/91)

Test Hole Number: R2

Location: 35.26.18ABADDC

Land Surface Altitude: 297.7 meters

Sand, fine to medium, loamy, dark brown

Sand, fine to medium, brown

Sand, fine to medium, light brown

Sand, fine to medium, brown

Sand, medium to coarse, brown

Sand, coarse to very coarse, brown

Sand, medium to fine, brown

Sand, coarse to very coarse, brown

Sand, medium to coarse, gray

0-.4

.4-.9

.9-1.8

1.8-2.1

2.1-2.4

2.4-3.1

3.1-3.4

3.4-4.0

4.0-6.1

.4

.5

.9

.3

.3

.7

.3

.6

2.1

Multiport Well Information

Casing: 5.1-cm diameter schedule 80 polyvinylchloride: 0-5.8 meters

Screen: Six 0.6 cm diameter, 2.5 cm long, multiport screens at 0.5 meter spacings between, 3.7 and 5.8 meters

Height of casing above land surface: 1.0 meters

Static water level: 4.4 meters below top of casing (5/7/91)

30
Table 2.--Results of inorganic analyses of water samples collected at the Princeton, Minnes

Management Systems Evaluation Area, April 1991 

[°C, degrees Celsius; fxS/cm, microsiemens per centimeter; mg/L, milligrams per liter; <, less than detection lim

Well number 

or identifier

MC10

MC19

MC22

MC26

MC27

MC28

MC29

Mean

Median

25th Percentile

75th Percentile

Minimum

Maximum

MCI

MC2

MC3

MC11

MC15

MC17

Mean

Median

25th Percentile

75th Percentile

Minimum

Maximum

Depth of bottom of 

screen below water 

table, in meters

0.2

.5

.5

.5

.6

.6

.8

.5

.5

.5

.6

.2

.8

.0

.2

.3

.4

.4

.5

.3

.3

.2

.4

.0

.5

Specific 

conductance 

(|O.S/cm at 25°C)

175

475

213

376

179

490

407

331

376

179

475

175

490

171

166

326

142

537

307

275

239

166

326

142

537

pH 

(standard units)

7.6

7.4

7.7

7.5

5.9

7.1

7.4

7.2

7.4

7.1

7.6

5.9

7.7

6.8

7.1

7.1

8.3

7.0

6.6

7.1

7.1

6.8

7.1

6.6

8.3

Temperature, 

water 

(°C)

Field Wells

6.7

8.4

10.3

8.8

5.4

8.0

7.8

7.9

8.0

6.7

8.8

5.4

10.3

Upgradient Wells

5.6

6.8

9.1

6.2

6.8

6.4

6.8

6.6

6.2

6.8

5.6

9.1

Dissolved 

oxygen 

(mg/L)

7.8

8.1

10.5

9.7

5.9

8.2

6.8

8.1

8.0

6.8

9.7

5.9

10.5

6.5

4.6

3.6

9.6

6.1

2.2

5.4

5.4

3.6

6.5

2.2

9.6

Calcium, 

dissolved 

(mg/L as Ca)

26

59

39

42

3.4

41

54

38

41

26

54

3.4

59

21

23

60

15

88

42

41

33

21

60

15

88

(
Table 2.~Results of inorganic analyses of water samples collected at the Princeton, Minne

Management Systems Evaluation Area, April 1991-Continued

Well number 

or identifier

MC9

MC33

MC34

Mean

Median

25th Percentile

75th Percentile

Minimum

Maximum

MC12

MC13

MC14

MC16

MC18

MC20

MC21

MC23

MC24

MC25

MC30

MC31

MC32

Mean

Median

25th Percentile

75th Percentile

Minimum

Maximum

Confined-drift aquifer

Mt. Simon-Hinckley

Depth of bottom of 

screen below water 

table, in meters

0.6

.8

.9

.8

.8

.7

.8

.6

.9

1.6

1.5

.8

.4

1.5

1.0

.8

1.1

.8

1.4

.5

.6

.7

1.0

.8

.6

1.4

.4

1.6

16.8

40.5

Specific 

conductance 

(u.S/cm at 25°C)

280

325

184

263

280

232

303

184

325

370

187

375

394

156

281

318

248

252

424

352

488

299

319

318

250

385

156

488

307

418

PH

(standard units)

6.7

8.0

7.6

7.4

7.6

7.2

7.8

6.7

8.0

7.6

8.4

8.4

7.1

7.0

8.3

7.0

7.3

8.2

6.7

7.5

7.3

7.7

7.6

7.5

7.1

8.3

6.7

8.4

7.2

7.1

Temperature, 

water

Wetland Wells

3.9

4.0

6.5

4.8

4.0

3.9

5.3

3.9

6.5

Off-site Wells

9.7

9.2

9.5

7.4

5.5

7.0

6.6

8.3

7.9

6.3

9.3

9.3

9.3

8.1

8.3

6.8

9.3

5.5

9.7

9.7

10.0

Dissolved 

oxygen 

(mg/L)

6.7

9.7

10.3

8.9

9.7

8.2

10.0

6.7

10.3

4.6

7.1

7.2

8.5

3.2

6.3

3.2

6.5

8.4

2.4

8.4

6.8

6.8

6.1

6.8

3.9

7.8

2.4

8.5

.2

.2

Calcium, 

dissolved 

(mg/L as Ca)

35

18

37

30

35

26

36

18

37

36

22

28

52

17

31

51

32

15

60

44

71

24

37

32

23

51

15

71

46

62

aquifer 

Battle Brock NA 220 7.6 9.3 12.9 17 
Table 2.-Results of inorganic analyses of water samples collected at the Princeton, Minnes

Management Systems Evaluation Area, April 1991-Continued

Well number 

or identifier

MC10

MC19

MC22

MC26

MC27

MC28

MC29

Mean

Median

25th Percentile

75th Percentile

Minimum

Maximum

MCI

MC2

MC3

MC11

MC15

MC17

Mean

Median

25th Percentile

75th Percentile

Minimum

Maximum

Potassium, 

dissolved 

(mg/L as K)

2

.9

1

.9

.5

.4

1

.9

.9

.5

1

.4

2

.4

1

.8

1

.7

1

.9

.9

.7

1

.4

1

Bicarbonate 

(mg/L as HCO3)

24

166

124

188

7

101

123

105

123

24

166

7

188

62

59

220

44

336

98

136

80

59

220

44

336

Laboratory 

alkalinity, total 

(mg/L as CaCO3)

20

136

102

154

6

83

101

86

101

20

136

6

154

50

48

180

36

275

80

112

65

48

180

36

275

Sulfate, dissolved 

(mg/L as SO4)

Field Wells

6.2

3.6

4.3

2.7

.9

1.3

3.0

3.1

3.0

1.3

4.3

.9

6.2

Upgradient Wells

11

43

32

5.5

26

5.8

21

19

5.8

32

5.5

43

Chloride, 

dissolved 

(mg/L as Cl)

11

23

20

102

1.2

11

26

15

11

10

23

1.2

26

.6

3.5

23

2.8

4.1

12

7.8

3.8

2.8

12

.6

23

Fluoride, 

dissolved 

(mg/L as F)

<0.02

<.02

<.02

<.02

<.02

<.02

.04

<.02

<.02

<.02

<.02

<.02

.04

<.02

<.02

.02

<.02

.13

.13

.05

<.02

<.02

.13

<.02

.13
Table 2.--Results of inorganic analyses of water samples collected at the Princeton, Minnes

Management Systems Evaluation Area, April 1991--Continued

Well number 

or identifier

MC9

MC33

MC34

Mean

Median

25th Percentile

75th Percentile

Minimum

Maximum

MC12

MCI 3

MC14

MCI 6

MCI 8

MC20

MC21

MC23

MC24

MC25

MC30

MC31

MC32

Mean

Median

25th Percentile

75th Percentile

Minimum

Maximum

Confinded -drift

aquifer

Mt. Simon -Hinkley

aquifer

Battle Brook

Potassium, 

dissolved 

(mg/L as K)

0.9

.8

1

.9

.9

.9

1

.8

1

6

.6

.8

.8

<.3

1

.6

.7

.7

1.6

<.3

.6

.7

1

.7

.6

1

<.3

6

1

1

.7

Bicarbonate 

(mg/L as HCO3)

129

46

137

104

129

88

133

46

137

148

66

77

166

66

77

160

110

51

232

201

207

103

128

110

72

184

51

232

187

283

57

Laboratory 

alkalinity, total 

(mg/L as CaCO3)

106

38

112

85

106

72

109

38

112

121

54

63

136

54

63

131

90

42

190

165

170

84

105

90

59

151

42

190

153

232

47

Sulfate, dissolved 

(mg/L as SO4)

Wetland Wells

8.9

6.4

3.0

6.1

6.4

4.7

7.6

3.0

8.9

Off-site Wells

10

7.1

2.0

10

1.9

7.6

17

15

11

13

7.4

10

6.8

9.2

10

7.0

12

1.9

17

4.4

<.02

5.9

Chloride, 

dissolved 

(mg/L as Cl)

11

9.2

6.7

9.1

9.2

8.0

10

6.7

11

9.0

7.7

10

16

1.2

2.7

21

4.9

3.4

12

2.3

27

6.2

9.5

7.7

3.0

14

1.2

27

5.3

.5

2.4

Fluoride, 

dissolved 

(mg/L as F)

<0.02

.02

.02

<.02

.02

<.02

.02

<.02

.02

.07

<.02

.08

.19

<.02

.05

<.02

<.02

<.02

<.02

.16

.12

.14

.06

.05

<.02

.13

<.02

.19

.14

.14

<.02
Table 2.--Resutls of inorganic analyses of water samples collected at the Princeton, Minnes

Management Systems Evaluation Area, April 1991--Continued

U) 

Lft

Well number 

or identifier

MC10

MC19

MC22

MC26

MC27

MC28

MC29

Mean

Median

25th Percentile

75th Percentile

Minimum

Maximum

MCI

MC2

MC3

MC11

MC15

MC17

Mean

Median

25th Percentile

75th Percentile

Minimum

Maximum

Nitrate, 

dissolved 

(mg/L as N)

14

21

6.7

6.3

2.1

10

23

11.8

10

6.3

21

2.1

23

4.4

.2

.02

3.9

.03

15

4.0

2.1

.03

4.4

.02

15

Nitrite, 

dissolved 

(mg/L as N)

<0.02

<.02

<.02

<.02

<.02

<.02

<02

<02

<.02

<.02

<.02

<.02

<02

.05

<.02

<.02

<.02

<.02

.55

.10

<.02

<.02

.05

<02

.55

Nitrogen, ammonia, 

dissolved 

(mg/L as N)

<0.02

<.02

<.02

<.02

<.02

<.02

<.02

<.02

<.02

<02

<.02

<.02

<.02

<.02

<02

<.02

<.02

<.02

<.02

<.02

<.02

<.02

<.02

<.02

<.02

Nitrogen, 

total Kjeldahl 

(mg/L as N)

Field Wells

<0.20

.21

.27

.37

<.20

<.20

<.20

.12

<.20

<.20

.27

<.20

.37

Upgradient Wells

<.20

<.20

.38

<.20

.21

<.20

.10

<.20

<.20

.21

<.20

.38

Phosphorus, 

total 

(mg/L as P)

0.05

<.02

<.02

.02

<.02

<.02

<.02

<.02

<.02

<.02

.02

<.02

.05

.02

<.02

<.02

.02

<.02

<.02

<.02

<.02

<.02

.02

<.02

.02

Phosphate, ortho, 

total 

(mg/L as PO4)

0.07

<.03

<.03

<.03

<.03

<.03

<.03

<.03

<.03

<.03

<.03

<.03

.07

<.03

<.03

<.03

<.03

<.03

<.03

<.03

<.03

<.03

<.03

<.03

<.03
Table 2.--Resutls of inorganic analyses of water samples collected at the Princeton, Minnes

Management Systems Evaluation Area, April 1991--Continued

Well number 

or identifier

MC9

MC33

MC34

Mean

Median

25th Percentile

75th Percentile

Minimum

Maximum

MC12

MC13

MC14

MC16

MC18

MC20

MC21

MC23

MC24

MC25

MC30

MC31

MC32

Mean

Median

25th Percentile

75th Percentile

Minimum

Maximum

Confined-drift

aquifer

Mt. Simon-Hinkley

aquifer

Battle Brook

Nitrate, 

dissolved 

(mg/L as N)

0.03

9.0

3.4

4.1

3.4

1.7

6.2

.03

9.0

5.6

5.8

10

10

.92

14

.33

3.2

3.1

1.4

4.8

6.5

4.0

5.4

4.8

2,3

8.3

.33

14

<02

<.02

.11

Nitrite, 

dissolved 

(mg/L as N)

<0.02

.28

<02

.09

<02

<02

.14

<02

.28

<02

.11

<02

<02

<.02

.14

<.02

<02

<02

.14

<02

<02

<02

.03

<.02

<.02

.06

<02

.14

<.02

<02

<02

Nitrogen, ammonia, 

dissolved 

(mg/L as N)

0.02

.04

.06

.04

.04

.03

.05

.02

.06

<02

<02

<.02

<02

<.Q2

<.Q2

<.Q2

<.02

<02

<02

<.02

<02

<.02

<02

<02

<02

<.02

<02

<02

.03

.12

<02

Nitrogen, 

total Kjeldahl 

(mg/L as N)

Wetland Wells

0.20

.38

.21

.26

.21

.21

.30

.20

.38

Off-site Wells

<.20

<.20

<.20

<.20

<.20

.21

.37

.37

.39

.54

<.20

<.20

<.20

.14

<.20

<.20

.37

<.20

.54

.24

.24

.47

Phosphorus, 

total 

(mg/L as P)

0.04

.02

<.02

.02

.02

<.02

.03

<.02

.04

.02

.04

.04

<.02

.04

<.02

<.02

<.02

.02

<.02

.06

.02

<.02

.02

<.02

<.02

.04

<.02

.06

.05

.07

.02

Phosphate, ortho, 

total 

(mg/L as PO4)

<0.03

<.03

<.03

<.03

<.03

<.03

<.03

<.03

<.03

<.03

<.03

<.03

<.03

<.03

<.03

<.03

<.03

<.03

<.03

<.03

<.03

<.03

<.03

<.03

<.03

<.03

<.03

<.03

<.03

<.03

<.03
Table 2.-- Results of inorganic analyses of water samples collected at the Princeton, Minnes

Management Systems Evaluation Area, April 1991--Continued

OJ

-J

Well number 

or identifier

MC10

MC19

MC22

MC26

MC27

MC28

MC29

Mean

Median

25th Percentile

75th Percentile

Minimum

Maximum

MCI

MC2

MC3

MC11

MC15

MC17

Mean

Median

25th Percentile

75th Percentile

Minimum

Maximum

Iron, Manganese, 

dissolved dissolved 

(mg/L as Fe) (mg/L as Mn)

Field Wells

<0.06

<.06

<.06

<.06

<.06

<.06

<.06

<.06

<.06

<.06

<.06

<.06

<.06

Upgradient Wells

<.06

<.06

.12

<.06

<.06

<.06

<.06

<.06

<.06

<.06

<.06

.12

0.03

.02

<.02

.02

<.02

.02

.03

.02

.02

<.02

.03

<.02

.03

.15

<.02

.44

.02

.04

.45

.18

.10

.02

.44

<.02

.45

Strontium, 

dissolved 

(mg/L as Sr)

0.17

.15

.11

.09

.02

.09

.10

.10

.10

.09

.15

.02

.17

.07

.08

.25

.05

.13

.17

.13

.11

.07

.17

.05

.25
Table 2.-- Results of inorganic analyses of water samples collected at the Princeton, Minne

Management Systems Evaluation Area, April 1991-Continued

Well number 

or identifier

MC9

MC33

MC34

Mean

Median

25th Percentile

75th Percentile

Minimum

Maximum

MC12

MC13

MC14

MC16

MCI 8

MC20

MC21

MC23

MC24

MC25

MC30

MC31

MC32

Mean

Median

25th Percentile

75th Percentile

Minimum

Maximum

Confined-drift

aquifer

ML Simon-Hinkley

aquifer

Battle Brook

Iron, Manganese, 

dissolved dissolved 

(mg/L as Fe) (mg/L as Mn)

Wetland Wells

2.0

<.06

.66

.87

.66

.33

1.3

<.06

2.0

Off-site Wells

<.06

<.06

<.06

<.06

6.7

<.06

<.06

<.06

.12

.30

<.06

.28

<.06

.57

<.06

<.06

.20

<.06

6.7

.28

2.3

.20

0.47

.06

.25

.26

.25

.16

.36

.06

.47

.02

<.02

<.02

.02

.54

.10

.63

<.02

<.02

1.1

.04

.04

<.02

.19

.02

<.02

.32

<.02

1.1

1.1

.48

.04

Strontium, 

dissolved 

(mg/L as Sr)

0.07

.08

.09

.08

.08

.08

.09

.07

.09

.13

.05

.07

.08

.06

.10

.16

.04

.04

.21

.07

.09

.06

.09

.07

.05

.11

.04

.21

.07

.12

.03
Table 3..--Results of herbicide analyses of water samples collected at the Princeton, Minnes

Management Systems Evaluation Area, April 1991

[p.g/L, micrograms per liter; <, less than detection limit; NA, not applicable; ND, no detection of either compound 

infin., value is infinity; N, negative result from immunoassay test (no detection); P, positive result from immunoa

Well number 

or identifier

MC10

MC19

MC22

MC26

MC27

MC28

MC29

Mean

Median

25th Percentile

75th Percentile

Minimum

Maximum

MCI

MC2

MC3

MC11

MC15

MC17

Mean

Median

25th Percentile

75th Percentile

Minimum

Maximum

Atrazine, 

total Immunoassay 

((ig/L) triazines

<0.01 N

<.01 N

<.01 P

<.01 N

<.01 N

.04 N

.17 P

.03 NA

<.01 NA

<.01 NA

.04 NA

<.01 NA

.17 NA

<.01 N

 c.Ol N

<.01 N

<.01 N

<.01 P

<.01 P

<.01 NA

<.01 NA

<.01 NA

<.01 NA

<.01 NA

<.01 NA

De-ethylatrazine DEA to atrazine De-isopropyl- 

(DEA) ratio atrazine (DIA) 

Gig/L) (DAR) Gig/L)

<0.03

.21

.32

.12

<.03

.14

.20

.14

.14

<.03

.21

<.03

.32

<.03

.04

<.03

2.30

<.03

<.03

.39

<.03

<.03

.04

<03

2.30

Field Wells

ND

infin.

infin.

infin.

ND

3.5

1.2

NA

NA

NA

NA

NA

NA

Upgradient Wells

ND

infin.

ND

infin.

ND

ND

NA

NA

NA

NA

NA

NA

<0.06

<.06

<.06

<.06

<.06

<.06

<.06

<.06

<.06

<.06

<.06

<.06

<.06

<.06

<.06

<.06

.98

<.06

<.06

.16

<.06

<.06

<.06

<.06

.98

DIA 

to DEA ratio 

(D2R) 

ND 

0 

0 

0 

ND 

0 

0 

NA 

NA 

NA 

NA 

NA 

NA 

ND 

0 

ND 

.4 

ND 

ND 

NA 

NA 

NA 

NA 

NA 

NA 
Table 3.--Results of herbicide analyses of water samples collected at the Princeton, Minnes

Management Systems Evaluation Area, April 1991--Continued

Well number 

or identifier

MC9

MC33

MC34

Mean

Median

25th Percentile

75th Percentile

Minimum

Maximum

MC12

MC13

MC14

MC16

MC18

MC20

MC21

MC23

MC24

MC25

MC30

MC31

MC32

Mean

Median

25th Percentile

75th Percentile

Minimum

Maximum

Confined-drift

aquifer

Mt. Simon-Hinckley

aquifer

Battle Brook

Atrazine, 

total Immunoassay 

(|0.g/L) triazines

<0.01 N

<.01 P

<.01 N

<.01 NA

<.01 NA

<.01 NA

<.01 NA

<01 NA

<.01 NA

<.01 N

.11 N

<01 P

<.01 N

<.01 N

<.01 P

<.01 N

<.01 N

<.01 N

<.01 N

.10 N

<.01 N

.28 N

.04 NA

<01 NA

<.01 NA

.05 NA

<.01 NA

.28 NA

<.01 N

<.01 N

<01 N

De-ethylatrazine 

(DEA)

<0.03

.13

.07

.07

.07

.04

.10

<.03

.13

.83

1.40

<.03

<.03

<.03

<.03

<.03

<.03

.14

<.03

.18

<.03

.36

.22

<.03

<.03

.27

<.03

1.40

<.03

<.03

<.03

DEA

to atrazine ratio 

(DAR)

Wetland Wells

ND

infin.

infin.

NA

NA

NA

NA

NA

NA

Off-site Wells

infin.

12.7

ND

ND

ND

ND

ND

ND

infin.

ND

1.8

ND

1.3

NA

NA

NA

NA

NA

NA

ND

ND

ND

De-isopropylatrazine (DIA)

<0.06

.18

.21

.13

.18

.09

.20

<.06

.21

<.06

.34

<.06

<.06

<.06

<.06

<.06

<.06

<.06

<.06

.30

<.06

<.06

.05

<.06

<.06

<.06

<.06

.34

<.06

<.06

<.06

DIA 

to DEA ratio 

(D2R)

ND

1.4

3.0

NA

NA

NA

NA

NA

NA

0

.2

ND

ND

ND

ND

ND

ND

0

ND

1.7

ND

0

NA

NA

NA

NA

NA

NA

ND

ND

ND
Table 3.--Results of herbicide analyses of water samples collected at the Princeton, Minneso

Management Systems Evaluation Area, April 1991-Continued______

Well number 2,6-diethylanaline Chloroalachlor Metolachlor Metribuzin 

or identifier (M-g/L) (Hg/L) (fig/L)

Field Wells

MC10 <0.01 <0.06 <0.01 <0.03

MC19 <01 <.06 <.Q1 <03

MC22 <01 <.06 <.01 <.03

MC26 .03 <.06 <01 <.03

MC27 <01 <.06 <01 <.03

MC28 <01 <.06 <.01 <.03

MC29 <01 <.06 <01 <.03

Mean <01 <.06 <01 <.03

Median <01 <-06 <-01 <.03

25th Pereentile <.01 <.06 <01 <.03

75th Pereentile <01 <.06 <01 <.03

Minimum <-01 <.06 <01 <.03

Maximum .03 <.06 <01 <.03

Upgradient Wells

MCI <01 <.06 <01 <.03

MC2 <.01 <.06 <.01 <.03

MC3 <01 <.06 <01 <.03

MC11 <01 <.06 <01 <.03

MC15 <01 <06 <01 <.03

MC17 <.01 <.06 <.01 <.03

Mean <.01 <.06 <.01 <.03

Median <01 <.06 <01 <.03

25th Pereentile <01 <.06 <01 <.03

75th Pereentile <.01 <.06 <01 <.03

Minimum <.01 <.06 <01 <.03

Maximum <.01 <.06 <.01 <.03
Table 3.-Results of herbicide analyses of water samples collected at the Princeton, Minnes

Management Systems Evaluation Area, April 1991-Continued

Well number 2,6-diethylanaline Chloroalachlor Metolachlor Metribuzin 

or identifier

Wetland Wells

MC9 <0.01 <0.06 <0.01 <0.03

MC33 <.01 <.06 <-01 <.03

MC34 <.01 <.06 <.01 <.03

Mean <.01 <.06 <01 <.03

Median <.01 <.06 <-01 <.03

25th Percentile <-01 <.06 <.01 <-03

75th Percentile <01 <.06 <.01 <.03

Minimum <.01 <.06 <01 <.03

Maximum <.06 <-01 <.03

	<.01 Off-site Wells

MCI 2 <.01 <.06 <.01 <.03

MC13 -cOl <.06 <.01 <.03

MC14 <01 <.06 <01 <.03

& MC16 <-01 <.06 <.01 <-03

MCI 8 <.01 <.06 <.01 <.03

MC20 <.01 <.06 <.01 <.03

MC21 <.01 <.06 <.01 <.03

MC23 <-01 <.06 <.01 <.03

MC24 <.01 <.06 <.01 <.03

MC25 <-01 <.06 <.01 <.03

MC30 <01 <.06 <.01 <.03

MC31 <.01 <.06 <.01 <.03

MC32 <.06 .10 <.03

Mean <-01 <.06 .01 <.03

Median <.01 <.06 <.01 <.03

25th Percentile <.01 <.06 <.01 <.03

75th Percentile <.01 <.06 <.01 <.03

Minimum <.01 <.06 <.01 <.03

Maximum <.06 .10 <.03

Confined-drift <01 <.06 <.01 <.03

aquifer

Mt. Simon-Hinckley <.01 <.06 <.01 <.03

aquifer

Battle Brook <.01 <.06 <.01 <.03