LOCATION.-- Lat 40°37'48", long 87°43'26" (NAD of 1927), in NW1/4NE1/4 sec.16, T.25 N., R.12 W., Iroquois County, Hydrologic Unit 07120002, on pier at downstream side of bridge on County Highway 9,200 ft downstream from Mud Creek, 1 mi west of Milford, and at mile 23.9. |
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DRAINAGE AREA.-- 446 mi2. |
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PERIOD OF RECORD.-- |
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SURFACE-WATER DISCHARGE AND STAGE |
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DISCHARGE: July 1948 to current year. |
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STAGE: Water years 1994-2002. |
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SURFACE-WATER QUALITY |
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CHEMICAL: Water years 1978-91, and 1999 to current. |
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MISCELLANEOUS: Contaminants in streambed sediments, August 1999; contaminants in fish tissue, August 1999. |
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BIOLOGICAL |
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BENTHIC MACROINVERTEBRATES: Water year 1999. |
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FISH: Water years 1999, and 2002. |
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HABITAT: Water years 1999, and 2002. |
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REVISED RECORDS.-- WDR IL-75-1: Drainage area. |
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GAGE.-- Water-stage recorder and phone telemeter. Datum of gage is 622.00 ft above NGVD of 1929. Prior to July 23, 1970, nonrecording gage at same site and datum. |
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EXTREMES FOR PERIOD OF RECORD.-- |
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SURFACE-WATER DISCHARGE AND STAGE: Maximum discharge, 22,900 ft3/s, Feb. 21, 1951, gage height, 20.90 ft, from rating curve extended above 8,200 ft3/s; maximum gage height, 28.16 ft, Apr. 12, 1994, discharge, 19,400 ft3/s; minimum discharge, 2.0 ft3/s, Sept. 1, 2, 7, 1972, Oct. 8, 1994. |
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REMARKS FOR CURRENT YEAR.--Sampled as part of the Upper Illinois River Basin (UIRB) National Water Quality Assessment Project (NAWQA). |
SURFACE-WATER QUALITY | |||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|
DIS- | OXYGEN, | PH | ALKA- | BICAR- | |||||||||
AGENCY | AGENCY | CHARGE, | DIS- | WATER | SPE- | LINITY | BONATE | ||||||
COL- | ANA- | INST. | SOLVED | WHOLE | CIFIC | WAT DIS | WATER | ||||||
LECTING | LYZING | CUBIC | OXYGEN, | (PER- | FIELD | CON- | TEMPER- | TEMPER- | TOT IT | DIS IT | |||
SAMPLE | SAMPLE | GAGE | FEET | DIS- | CENT | (STAND- | DUCT- | ATURE | ATURE | FIELD | FIELD | ||
(CODE | (CODE | HEIGHT | PER | SOLVED | SATUR- | ARD | ANCE | AIR | WATER | MG/L AS | MG/L AS | ||
NUMBER) | NUMBER) | (FEET) | SECOND | (MG/L) | ATION) | UNITS) | (US/CM) | (DEG C) | (DEG C) | CACO3 | HCO3 | ||
Date | Time | (00027) | (00028) | (00065) | (00061) | (00300) | (00301) | (00400) | (00095) | (00020) | (00010) | (39086) | (00453) |
OCT 2001 | |||||||||||||
05... | 0810 | 81700 | 80020 | 3.26 | 24 | 8.2 | 80 | 8.1 | 687 | 9.0 | 14.1 | 249 | 304 |
DEC | |||||||||||||
11... | 1150 | 81700 | 80020 | 5.27 | 217 | 12.6 | 97 | 8.2 | 726 | 6.5 | 4.3 | 273 | 333 |
FEB 2002 | |||||||||||||
11... | 0910 | 81700 | 80020 | 6.24 | 342 | 12.2 | 93 | 8.1 | 685 | -3.0 | 3.8 | 244 | 291 |
APR | |||||||||||||
02... | 1110 | 81700 | 80020 | 10.79 | 1060 | 10.7 | 85 | 8.5 | 830 | 6.0 | 5.2 | 182 | 222 |
MAY | |||||||||||||
06... | 0940 | 81700 | 80020 | 7.46 | 551 | 9.2 | 92 | 8.1 | 632 | 18.0 | 15.6 | 211 | 251 |
JUN | |||||||||||||
05... | 1020 | 81700 | 80020 | 5.50 | 210 | 6.9 | 78 | 8.0 | 605 | 18.0 | 21.2 | 199 | 243 |
JUL | |||||||||||||
01... | 0915 | 81700 | 80020 | 4.92 | 153 | 7.0 | 85 | 8.0 | 620 | 29.5 | 24.7 | 232 | 283 |
AUG | |||||||||||||
08... | 0930 | 81700 | 80020 | 3.44 | 40 | 6.2 | 69 | 8.0 | 667 | 20.5 | 21.1 | 256 | 308 |
CAR- | NITRO- | NITRO- | NITRO- | NITRO- | ORTHO- | 2,6-DI- | |||||||
BONATE | CHLO- | GEN, | GEN,AM- | GEN, | GEN, | PHOS- | ETHYL | ACETO- | ALA- | ||||
WATER | RIDE, | SULFATE | AMMONIA | MONIA + | NO2+NO3 | NITRITE | PHATE, | PHOS- | ANILINE | CHLOR, | CHLOR, | ALPHA | |
DIS IT | DIS- | DIS- | DIS- | ORGANIC | DIS- | DIS- | DIS- | PHORUS | WAT FLT | WATER | WATER, | BHC | |
FIELD | SOLVED | SOLVED | SOLVED | TOTAL | SOLVED | SOLVED | SOLVED | TOTAL | 0.7 U | FLTRD | DISS, | DIS- | |
MG/L AS | (MG/L | (MG/L | (MG/L | (MG/L | (MG/L | (MG/L | (MG/L | (MG/L | GF, REC | REC | REC, | SOLVED | |
CO3 | AS CL) | AS SO4) | AS N) | AS N) | AS N) | AS N) | AS P) | AS P) | (UG/L) | (UG/L) | (UG/L) | (UG/L) | |
Date | (00452) | (00940) | (00945) | (00608) | (00625) | (00631) | (00613) | (00671) | (00665) | (82660) | (49260) | (46342) | (34253) |
OCT 2001 | |||||||||||||
05... | <1 | 30.0 | 83.8 | <.04 | .38 | 2.38 | .010 | .02 | .077 | <.002 | <.004 | <.002 | <.005 |
DEC | |||||||||||||
11... | <1 | 26.9 | 60.0 | <.04 | .28 | <.05 | <.008 | <.02 | .028 | <.002 | <.004 | <.002 | <.005 |
FEB 2002 | |||||||||||||
11... | 4 | 25.0 | 56.1 | E.03 | .32 | 9.94 | .013 | .04 | .053 | <.006 | <.006 | <.004 | <.005 |
APR | |||||||||||||
02... | <1 | 20.0 | 38.2 | <.04 | .56 | 10.6 | .012 | .06 | .127 | <.006 | .008 | <.004 | <.005 |
MAY | |||||||||||||
06... | 3 | 20.8 | 46.8 | <.04 | .53 | 11.0 | .025 | .04 | .095 | <.006 | .522 | <.004 | <.005 |
JUN | |||||||||||||
05... | <1 | 23.3 | 47.0 | .20 | 2.4 | 10.3 | .053 | .04 | .21 | <.006 | .231 | <.004 | <.005 |
JUL | |||||||||||||
01... | <1 | 19.1 | 45.9 | <.04 | .80 | 9.74 | .025 | .04 | .134 | <.006 | .407 | <.004 | <.005 |
AUG | |||||||||||||
08... | 3 | 21.1 | 67.0 | <.04 | .45 | 3.16 | .016 | .04 | .104 | <.006 | .025 | <.004 | <.005 |
BEN- | CAR- | CARBO- | DEETHYL | DISUL- | |||||||||
ATRA- | FLUR- | BUTYL- | BARYL | FURAN | CYANA- | DCPA | ATRA- | FOTON | EPTC | ||||
ZINE, | ALIN | ATE, | WATER | WATER | CHLOR- | ZINE, | WATER | ZINE, | DI- | DI- | WATER | WATER | |
WATER, | WAT FLD | WATER, | FLTRD | FLTRD | PYRIFOS | WATER, | FLTRD | WATER, | AZINON, | ELDRIN | FLTRD | FLTRD | |
DISS, | 0.7 U | DISS, | 0.7 U | 0.7 U | DIS- | DISS, | 0.7 U | DISS, | DIS- | DIS- | 0.7 U | 0.7 U | |
REC | GF, REC | REC | GF, REC | GF, REC | SOLVED | REC | GF, REC | REC | SOLVED | SOLVED | GF, REC | GF, REC | |
(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) | |
Date | (39632) | (82673) | (04028) | (82680) | (82674) | (38933) | (04041) | (82682) | (04040) | (39572) | (39381) | (82677) | (82668) |
OCT 2001 | |||||||||||||
05... | .082 | <.010 | <.002 | <.041 | <.020 | <.005 | E.005 | <.003 | E.020 | <.005 | <.005 | <.02 | <.002 |
DEC | |||||||||||||
11... | .082 | <.010 | <.002 | <.041 | <.020 | <.005 | <.018 | <.003 | E.035 | <.005 | <.005 | <.02 | <.002 |
FEB 2002 | |||||||||||||
11... | .062 | <.010 | .002 | <.041 | <.020 | <.005 | <.018 | <.003 | E.030 | <.005 | <.005 | <.02 | <.002 |
APR | |||||||||||||
02... | .140 | <.010 | <.002 | <.041 | <.020 | <.005 | <.018 | <.003 | E.023 | <.005 | <.005 | <.02 | <.002 |
MAY | |||||||||||||
06... | 2.76 | <.010 | <.002 | <.041 | <.020 | <.005 | <.018 | <.003 | E.078 | <.005 | <.005 | <.02 | <.002 |
JUN | |||||||||||||
05... | 21.3 | <.010 | <.002 | E.004 | <.020 | .037 | <.018 | <.003 | E1.08 | <.005 | <.005 | <.02 | <.002 |
JUL | |||||||||||||
01... | 2.57 | <.010 | <.002 | <.041 | <.020 | <.005 | <.018 | <.003 | E.276 | <.005 | <.005 | <.02 | <.002 |
AUG | |||||||||||||
08... | .368 | <.010 | <.002 | E.008 | <.020 | <.005 | <.018 | <.003 | E.062 | <.005 | <.005 | <.02 | <.002 |
ETHAL- | ETHO- | LIN- | METHYL | METHYL | MOL- | NAPROP- | |||||||
FLUR- | PROP | URON | AZIN- | PARA- | METRI- | INATE | AMIDE | ||||||
ALIN | WATER | FONOFOS | WATER | MALA- | PHOS | THION | METO- | BUZIN | WATER | WATER | |||
WAT FLT | FLTRD | WATER | LINDANE | FLTRD | THION, | WAT FLT | WAT FLT | LACHLOR | SENCOR | FLTRD | FLTRD | P,P' | |
0.7 U | 0.7 U | DISS | DIS- | 0.7 U | DIS- | 0.7 U | 0.7 U | WATER | WATER | 0.7 U | 0.7 U | DDE | |
GF, REC | GF, REC | REC | SOLVED | GF, REC | SOLVED | GF, REC | GF, REC | DISS | DISS | GF, REC | GF, REC | DISS | |
(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) | |
Date | (82663) | (82672) | (04095) | (39341) | (82666) | (39532) | (82686) | (82667) | (39415) | (82630) | (82671) | (82684) | (34653) |
OCT 2001 | |||||||||||||
05... | <.009 | <.005 | <.003 | <.004 | <.035 | <.027 | <.050 | <.006 | .018 | <.006 | <.002 | <.007 | <.003 |
DEC | |||||||||||||
11... | <.009 | <.005 | <.003 | <.004 | <.035 | <.027 | <.050 | <.006 | E.011 | <.006 | <.002 | <.007 | <.003 |
FEB 2002 | |||||||||||||
11... | <.009 | <.005 | <.003 | <.004 | <.035 | <.027 | <.050 | <.006 | .016 | <.006 | <.002 | <.007 | <.003 |
APR | |||||||||||||
02... | <.009 | <.005 | <.003 | <.004 | <.035 | <.027 | <.050 | <.006 | .027 | <.006 | <.002 | <.007 | <.003 |
MAY | |||||||||||||
06... | <.009 | <.005 | <.003 | <.004 | <.035 | <.027 | <.050 | <.006 | .085 | .011 | <.002 | <.007 | <.003 |
JUN | |||||||||||||
05... | <.009 | <.005 | <.003 | <.004 | <.035 | <.027 | <.050 | <.006 | .485 | <.010 | <.002 | <.007 | <.003 |
JUL | |||||||||||||
01... | <.009 | <.005 | <.003 | <.004 | <.035 | <.027 | <.050 | <.006 | .511 | .006 | <.002 | <.007 | <.003 |
AUG | |||||||||||||
08... | <.009 | <.005 | <.003 | <.004 | <.035 | <.027 | <.050 | <.006 | .088 | <.006 | <.002 | <.007 | <.003 |
PEB- | PENDI- | PER- | PRON- | PRO- | PRO- | TEBU- | TER- | ||||||
ULATE | METH- | METHRIN | PHORATE | PRO- | AMIDE | PROPA- | PANIL | PARGITE | SI- | THIURON | BACIL | ||
PARA- | WATER | ALIN | CIS | WATER | METON, | WATER | CHLOR, | WATER | WATER | MAZINE, | WATER | WATER | |
THION, | FILTRD | WAT FLT | WAT FLT | FLTRD | WATER, | FLTRD | WATER, | FLTRD | FLTRD | WATER, | FLTRD | FLTRD | |
DIS- | 0.7 U | 0.7 U | 0.7 U | 0.7 U | DISS, | 0.7 U | DISS, | 0.7 U | 0.7 U | DISS, | 0.7 U | 0.7 U | |
SOLVED | GF, REC | GF, REC | GF, REC | GF, REC | REC | GF, REC | REC | GF, REC | GF, REC | REC | GF, REC | GF, REC | |
(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) | |
Date | (39542) | (82669) | (82683) | (82687) | (82664) | (04037) | (82676) | (04024) | (82679) | (82685) | (04035) | (82670) | (82665) |
OCT 2001 | |||||||||||||
05... | <.007 | <.002 | <.010 | <.006 | <.011 | E.01 | <.004 | <.010 | <.011 | <.02 | <.011 | <.02 | <.250 |
DEC | |||||||||||||
11... | <.007 | <.002 | <.010 | <.006 | <.011 | M | <.004 | <.010 | <.011 | <.02 | .633 | <.02 | <.034 |
FEB 2002 | |||||||||||||
11... | <.010 | <.004 | <.022 | <.006 | <.011 | <.01 | <.004 | <.010 | <.011 | <.02 | .075 | <.02 | <.034 |
APR | |||||||||||||
02... | <.010 | <.004 | <.022 | <.006 | <.011 | <.01 | <.004 | <.010 | <.011 | <.02 | .036 | <.02 | <.034 |
MAY | |||||||||||||
06... | <.010 | <.004 | E.009 | <.006 | <.011 | <.01 | <.004 | <.010 | <.011 | <.02 | .016 | <.02 | <.034 |
JUN | |||||||||||||
05... | <.010 | <.004 | .121 | <.006 | <.011 | .02 | <.004 | <.010 | <.011 | <.02 | .091 | <.02 | <.034 |
JUL | |||||||||||||
01... | <.010 | <.004 | <.022 | <.006 | <.011 | E.01 | <.004 | <.010 | <.011 | <.02 | .020 | <.02 | <.034 |
AUG | |||||||||||||
08... | <.010 | <.004 | <.022 | <.006 | <.011 | .03 | <.004 | <.010 | <.011 | <.02 | .012 | <.02 | <.034 |
TER- | TER- | THIO- | TRIAL- | TRI- | SED. | ||
BUFOS | BUTHYL- | BENCARB | LATE | FLUR- | SUSP. | ||
WATER | AZINE, | WATER | WATER | ALIN | SIEVE | SEDI- | |
FLTRD | WATER, | FLTRD | FLTRD | WAT FLT | DIAM. | MENT, | |
0.7 U | DISS, | 0.7 U | 0.7 U | 0.7 U | % FINER | SUS- | |
GF, REC | REC | GF, REC | GF, REC | GF, REC | THAN | PENDED | |
(UG/L) | (UG/L) | (UG/L) | (UG/L) | (UG/L) | .062 MM | (MG/L) | |
Date | (82675) | (04022) | (82681) | (82678) | (82661) | (70331) | (80154) |
OCT 2001 | |||||||
05... | <.02 | U | <.005 | <.002 | <.009 | 86 | 188 |
DEC | |||||||
11... | <.02 | U | <.005 | <.002 | <.009 | 92 | 129 |
FEB 2002 | |||||||
11... | <.02 | U | <.005 | <.002 | <.009 | 90 | 127 |
APR | |||||||
02... | <.02 | -- | <.005 | <.002 | <.009 | 98 | 133 |
MAY | |||||||
06... | <.02 | -- | <.005 | <.002 | <.009 | 96 | 105 |
JUN | |||||||
05... | <.02 | -- | <.005 | <.002 | <.009 | 99 | 205 |
JUL | |||||||
01... | <.02 | -- | <.005 | <.002 | <.009 | 80 | 105 |
AUG | |||||||
08... | <.02 | -- | <.005 | <.002 | <.009 | 63 | 94 |
Table of Contents |
Introduction |
Station Descriptions |
Surface-Water Data |
Ground-Water Data |
Meteorological Data |
Biological Data |