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421506088550001       BOONE COUNTY, IL, LOCAL NUMBER 44N3E-32.7G1



LOCATION.-- Lat 42°15'06", long 88°54'59", in SE1/4NW1/4NW1/4 sec. 32 T.44N., R.3E, Hydrologic Unit 07090006, about 3 miles west of Belvidere. Owner: U.S. Environmental Protection Agency.

AQUIFER.-- Glacial drift of the Quaternary age.

WELL CHARACTERISTICS.-- Diameter 2.0 inches, depth 22.6 feet, cased to 17.6 feet, slotted screen, drilled, observation.

PERIOD OF RECORD.--
GROUND-WATER QUALITY: September 2001.

REMARKS FOR CURRENT YEAR.-- During 1990-2000, the U.S. Geological Survey (USGS), in cooperation with the U.S. Environmental Protection Agency, conducted a study of hydrogeology and water quality in the aquifers underlying Belvidere, Ill. and vicinity (Mills and others, 1998; Mills and others, 1999; Mills and others, 1999; Mills and others, in press). For this study, water-quality samples were collected from about 100 private water-supply wells, 8 public water-supply wells, and 25 monitoring wells. All samples were analyzed for volatile organic compounds; samples were analyzed selectively for major ions, trace elements, tritium and other radionuclides, and semi-volatile organic compounds. Details regarding well location/construction, sampling methodology and analytical results are given in the reports referenced above. During May 2000, a monitoring well open to the water table in the glacial drift aquifer was installed about 1.5 miles west of Belvidere. This well is intended to provide long-term (years and decades) water-level and water-quality data from the vicinity of the Troy Bedrock Valley--an area that is expected to undergo future changes in land and increased usage as a ground-water source. Analytical results from the initial sampling of the well in September 2001 are given below.

Water samples were collected using field-parameter stabilization and volumetric purge criteria to ensure samples were representative of the aquifer water quality. Samples for analysis of inorganic constituents were filtered through a 0.45 micron acetate filter. Samples collected for analysis of herbicides and their transformation products were filtered through a 0.7 micron backed glass-fiber filter. All samples were chilled immediately to 4 degrees Centigrade for handling and shipment. Laboratories received the samples within 1-4 days of sample collection. Inorganic samples were analyzed by the USGS National Water-Quality Laboratory in Lakewood, Col. using automated colorimetric procedures described by Fishman and Friedman (1989). Analyses for herbicides and their transformation products were made at the USGS Organic Geochemistry Research Laboratory in Lawrence, Kans. Using solid-phase extraction techniques, parent herbicides, the atrazine products deethylatrazine and deisopropylatrazine, and the cyanazine product cyanazine-amide were analyzed by gas chromatography/mass spectrometry (GC/MS)(Zimmerman and Thurman, 1999; Kish and others, 2000). Chloroacetanilide herbicide products (ethanesulfonic (ESA) and oxanilic acid (OXA) compounds) were analyzed by liquid chromatography/mass spectrometry (LC/MS) (Zimmerman and others, 2000; Lee and others, 2001). Glyphosate was analyzed by immunoassay using a proprietary method (Elizabeth Scribner, U.S. Geological Survey, oral communications, 2001).



GROUND-WATER QUALITY
SPE- WATER
DEPTH CIFIC WHOLE DIS- HARD-
GEO- OF CON- FIELD TEMPER- OXYGEN, SOLVED NESS,
LOGIC WELL, DUCT- (STAND- ATURE DIS- SOLIDS, TOTAL
DATE UNIT TOTAL ANCE ARD WATER SOLVED SUM (MG/L AS
(FEET) (US/CM) UNITS) (DEG C) (MG/L) (MG/L) (CAC03)
(72008) (00095) (00400) (00010) (00300) (70301) (00900)
SEP 2001
10... 110QRNR 22.6 737 6.8 13.1 6.8 371 380
NEUTRAL- CALC- CHLOR- FLUOR- MAG-
IZING- BORON IUM, IDE, IDE, IRON, NESIUM,
CAPACITY, DIS- DIS- DIS- DIS- DIS- DIS-
LAB SOLVED SOLVED SOLVED SOLVED SOLVED SOLVED
DATE (MG/L AS (MG/L (MG/L (MG/L (MG/L (MG/L (MG/L
CACO3) AS B) AS CA) AS CL) (AS F) AS FE) AS MG)
(90410) (01020) (00915) (00940) (00950) (01046) (00925)
SEP 2001
10... 291 19.6 90.9 14.1 E0.11 E8.0 90.9
MANGA- POTAS- SIL- SOD- SOD- SUL-
NESE, SIUM, ICA, IUM, IUM SOD- FATE,
DIS- DIS- DIS- DIS- ADSORP- IUM, DIS-
SOLVED SOLVED SOLVED SOLVED TION PER- SOLVED
DATE (MG/L (MG/L (MG/L AS (MG/L RATIO CENT (MG/L
AS MN) AS K) SIO2) AS NA) (RATIO) (PERCENT) AS SO4)
(01056) (00935) (00955) (00930) (00931) (00932) (00945)
SEP 2001
10... 6.1 1.9 13.8 4.5 0.1 3 16.3
NITRO- PHOS-
NITRO- GEN, AM- NITRO- NITRO- PHOR-
GEN, MONIA + GEN, GEN, US OR ACETO- ACETO-
AMMONIA, ORGANIC, NITRITE, NO2+NO3, THO, ACETO- CHLOR CHLOR
DIS- DIS- DIS- DIS- DIS- CHLOR, ESA, OXA,
SOLVED SOLVED SOLVED SOLVED SOLVED DIS- DIS- DIS-
DATE (MG/L (MG/L (MG/L (MG/L (MG/L SOLVED SOLVED SOLVED
AS N) AS N) AS N) AS N) AS P) (UG/L) (UG/L) (UG/L)
(00608) (00623) (00613) (00631) (00671) (49260) (61029) (61030)
SEP 2001
10... E0.033 0.122 E0.005 3.87 <0.02 <0.05 <0.05 <0.05
DE- DEISO-
ALA- ALA- ETHYL PROPYL
ALA- CHLOR CHLOR ATRA- ATRA- ATRA- CYANA-
CHLOR, ESA, OXA, AMETRYN ZINE, ZINE, ZINE, ZINE,
DIS- DIS- DIS- DIS- DIS- DIS- DIS- DIS-
DATE SOLVED SOLVED SOLVED SOLVED SOLVED SOLVED SOLVED SOLVED
(UG/L) (UG/L) (UG/L) (UG/L) (UG/L) (UG/L) (UG/L) (UG/L)
(46332) (50009) (61031) (38401) (39632) (04040) (04038) (04041)
SEP 2001
10... <0.05 0.27 <0.05 <0.05 <0.05 <0.05 <0.05 <0.05
CYANA- DIMETH- DIMETH- FLUFEN- FLUFEN- GLYPHO-
ZINE- DIMETH- ENAMID ENAMID FLUFEN- ACET ACET SATE,
AMIDE, ENAMID, ESA, OXA, ACET, ESA, OXA, DISSOLVED
DIS- DIS- DIS- DIS- DIS- DIS- DIS- IMMUNO-
DATE SOLVED SOLVED SOLVED SOLVED SOLVED SOLVED SOLVED ASSAY
(UG/L) (UG/L) (UG/L) (UG/L) (UG/L) (UG/L) (UG/L) (UG/L)
(61709) (61588) (61951) (62482) (62481) (61952) (62483) (99960)
SEP 2001
10... <0.05 <0.50 <0.05 <0.05 <0.05 <0.05 <0.05 <0.10
METOLA- METOLA- PENDI-
METOLA- CHLOR CHLOR METRI- METHA- PRO- PRO- PROPA-
CHLOR, ESA, OXA, BUZIN, LIN, METON, METRYN, CHLOR,
DIS- DIS- DIS- DIS- DIS- DIS- DIS- DIS-
DATE SOLVED SOLVED SOLVED SOLVED SOLVED SOLVED SOLVED SOLVED
(UG/L) (UG/L) (UG/L) (UG/L) (UG/L) (UG/L) (UG/L) (UG/L)
(39415) (61043) (61044) (82630) (82683) (04037) (04036) (04024)
SEP 2001
10... <0.05 <0.50 <0.05 <0.05 <0.05 <0.05 <0.05 <0.05
PROPA- SIMA- TER-
ZINE, ZINE, BUTRYN,
DIS- DIS- DIS-
DATE SOLVED SOLVED SOLVED
(UG/L) (UG/L) (UG/L)
(38535) (04035) (38888)
SEP 2001
10... <0.05 <0.50 <0.05
Remark codes and abbreviations used in this report:
-- No data
< Less than
E Estimated value, less than reporting limit
ESA ethanesulfonic acid
OXA oxanilic acid


Table of Contents

Introduction

Station Descriptions

Surface-Water Data

Ground-Water Data

Meteorological Data

Biological Data