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. |
|
DRAINAGE AREA.-- 446 mi2. |
|
PERIOD OF RECORD.-- |
|
SURFACE-WATER DISCHARGE AND STAGE |
|
DISCHARGE: July 1948 to current year. |
|
STAGE: Water years 1994 to current year. |
|
SURFACE-WATER QUALITY |
|
CHEMICAL: Water years 1978-91, and 1999 to current year. |
|
MISCELLANEOUS: Contaminants in streambed sediments, August 1999; contaminants in fish tissue, August 1999. |
|
BIOLOGICAL |
|
ALGAE: Water years 2002-03. |
|
BENTHIC MACROINVERTEBRATES: Water years 1999 and 2002. |
|
FISH: Water years 1999 and 2002-04. |
|
HABITAT: Water years 1999 and 2002-04. |
|
REVISED RECORDS.-- WDR IL-75-1: Drainage area. |
|
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. |
|
EXTREMES FOR PERIOD OF RECORD.-- |
|
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. |
|
REMARKS FOR CURRENT YEAR.--Sampled as part of the Upper Illinois River Basin (UIRB) National Water Quality Assessment Project (NAWQA). |
SURFACE-WATER QUALITY | |||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Alka- | Bicar- | ||||||||||||
Dis- | pH, | Specif. | linity, | bonate, | |||||||||
Agency | Agency | Instan- | solved | water, | conduc- | wat flt | wat flt | ||||||
col- | ana- | taneous | Dis- | oxygen, | unfltrd | tance, | Temper- | Temper- | inc tit | incrm. | |||
lecting | lyzing | Gage | dis- | solved | percent | field, | wat unf | ature, | ature, | field, | titr., | ||
Date | Time | sample, | sample, | height, | charge, | oxygen, | of sat- | std | uS/cm | air, | water, | mg/L as | field, |
code | code | feet | cfs | mg/L | uration | units | 25 degC | deg C | deg C | CaCO3 | mg/L | ||
(00027) | (00028) | (00065) | (00061) | (00300) | (00301) | (00400) | (00095) | (00020) | (00010) | (39086) | (00453) | ||
OCT 2003 | |||||||||||||
01... | 1010 | 81700 | 80020 | 4.23 | 133 | 17.1 | 156 | 7.9 | 624 | 9.0 | 11.2 | 238 | E289 |
DEC | |||||||||||||
19... | 0910 | 81700 | 80020 | 5.43 | 225 | 14.8 | 106 | 8.1 | 704 | -4.5 | 1.6 | 253 | E307 |
FEB 2004 | |||||||||||||
03... | 1105 | 81700 | 80020 | 4.50 | 129 | 21.0 | 144 | 8.0 | 737 | -7.0 | .0 | 258 | 314 |
APR | |||||||||||||
20... | 0930 | 81700 | 80020 | 4.60 | 163 | 8.3 | 86 | 8.2 | 648 | 14.0 | 16.7 | 236 | 285 |
MAY | |||||||||||||
19... | 1025 | 81700 | 80020 | 9.22 | E770 | 11.4 | 116 | 7.9 | 526 | 21.0 | 16.2 | 148 | E179 |
JUN | |||||||||||||
18... | 1000 | 81700 | 80020 | 19.17 | 5780 | 5.5 | 65 | 7.1 | 186 | 28.5 | 23.4 | 92 | 112 |
JUL | |||||||||||||
15... | 0930 | 81700 | 80020 | 6.72 | 384 | 6.9 | 80 | 7.5 | 590 | 25.0 | 22.4 | 232 | 281 |
AUG | |||||||||||||
06... | 1000 | 81700 | 80020 | 4.18 | 100 | 7.4 | 83 | 7.9 | 630 | 20.0 | 19.9 | 231 | 279 |
Carbon- | Nitrite | Ortho- | Total | 2,6-Di- | |||||||||
ate, | + | phos- | nitro- | ethyl- | |||||||||
wat flt | Chlor- | Ammonia | nitrate | Nitrite | phate, | Phos- | gen, | aniline | Aceto- | Ala- | |||
incrm. | ide, | Sulfate | water, | water | water, | water, | phorus, | wat unf | water | CIAT, | chlor, | chlor, | |
titr., | water, | water, | fltrd, | fltrd, | fltrd, | fltrd, | water, | by anal | fltrd | water, | water, | water, | |
Date | field, | fltrd, | fltrd, | mg/L | mg/L | mg/L | mg/L | unfltrd | ysis, | 0.7u GF | fltrd, | fltrd, | fltrd, |
mg/L | mg/L | mg/L | as N | as N | as N | as P | mg/L | mg/L | ug/L | ug/L | ug/L | ug/L | |
(00452) | (00940) | (00945) | (00608) | (00631) | (00613) | (00671) | (00665) | (62855) | (82660) | (04040) | (49260) | (46342) | |
OCT 2003 | |||||||||||||
01... | E1 | 22.8 | 41.5 | <.04 | 4.06 | .009 | .046 | .094 | 7.12 | <.006 | E.052 | .015 | <.004 |
DEC | |||||||||||||
19... | <1 | 26.4 | 51.7 | <.04 | 8.82 | .011 | .016 | .029 | 9.95 | <.006 | E.010 | <.006 | <.005 |
FEB 2004 | |||||||||||||
03... | <1 | 26.1 | 63.4 | <.04 | 8.34 | .011 | .013 | .022 | 8.49 | <.006 | E.016 | <.006 | <.005 |
APR | |||||||||||||
20... | 1 | 149 | 47.9 | <.04 | 8.68 | .041 | .008 | .103 | 9.27 | <.006 | E.034 | .044 | <.005 |
MAY | |||||||||||||
19... | <1 | 25.8 | 10.9 | <.04 | 15.0 | .057 | .077 | .50 | 16.4 | <.006 | E.496 | 2.88 | <.005 |
JUN | |||||||||||||
18... | <1 | 6.65 | 12.4 | <.04 | 5.12 | .064 | .174 | .31 | 6.06 | <.006 | E.238 | .423 | <.005 |
JUL | |||||||||||||
15... | 1 | 18.2 | 38.3 | E.03 | 7.07 | .033 | .097 | .178 | 8.03 | <.006 | E.069 | .104 | <.005 |
AUG | |||||||||||||
06... | 1 | 24.4 | 60.7 | <.04 | 3.07 | .017 | .041 | .101 | 3.36 | <.006 | E.037 | .045 | <.005 |
Azin- | Ben- | cis- | |||||||||||
phos- | flur- | Car- | Carbo- | Per- | |||||||||
alpha- | Atra- | methyl, | alin, | Butyl- | baryl, | furan, | Chlor- | methrin | Cyana- | DCPA, | Diazi- | Diel- | |
HCH, | zine, | water, | water, | ate, | water, | water, | pyrifos | water | zine, | water | non, | drin, | |
water, | water, | fltrd | fltrd | water, | fltrd | fltrd | water, | fltrd | water, | fltrd | water, | water, | |
Date | fltrd, | fltrd, | 0.7u GF | 0.7u GF | fltrd, | 0.7u GF | 0.7u GF | fltrd, | 0.7u GF | fltrd, | 0.7u GF | fltrd, | fltrd, |
ug/L | ug/L | ug/L | ug/L | ug/L | ug/L | ug/L | ug/L | ug/L | ug/L | ug/L | ug/L | ug/L | |
(34253) | (39632) | (82686) | (82673) | (04028) | (82680) | (82674) | (38933) | (82687) | (04041) | (82682) | (39572) | (39381) | |
OCT 2003 | |||||||||||||
01... | <.005 | .212 | <.050 | <.010 | <.002 | <.041 | <.020 | <.005 | <.006 | <.018 | <.003 | <.005 | <.005 |
DEC | |||||||||||||
19... | <.005 | .094 | <.050 | <.010 | <.004 | <.041 | <.020 | <.005 | <.006 | <.018 | <.003 | <.005 | <.009 |
FEB 2004 | |||||||||||||
03... | <.005 | .061 | <.050 | <.010 | <.004 | <.041 | <.020 | <.005 | <.006 | <.018 | <.003 | <.005 | <.009 |
APR | |||||||||||||
20... | <.005 | .507 | <.050 | <.010 | <.004 | <.041 | <.020 | <.005 | <.006 | <.018 | <.003 | <.005 | <.009 |
MAY | |||||||||||||
19... | <.005 | 10.9 | <.050 | <.010 | <.004 | <.041 | <.020 | <.005 | <.006 | <.018 | <.003 | <.005 | <.009 |
JUN | |||||||||||||
18... | <.005 | 1.11 | <.050 | <.010 | <.004 | <.041 | <.020 | <.005 | <.006 | <.018 | <.003 | <.005 | <.009 |
JUL | |||||||||||||
15... | <.005 | .736 | <.050 | <.010 | <.004 | <.041 | <.020 | <.005 | <.006 | <.018 | <.003 | <.005 | <.009 |
AUG | |||||||||||||
06... | <.005 | .320 | <.050 | <.010 | <.004 | <.041 | <.020 | <.005 | <.006 | <.018 | <.003 | <.005 | <.009 |
Ethal- | Methyl | ||||||||||||
Disul- | flur- | Etho- | para- | Moli- | Naprop- | ||||||||
foton, | EPTC, | alin, | prop, | Linuron | Mala- | thion, | Metola- | Metri- | nate, | amide, | |||
water, | water, | water, | water, | Fonofos | Lindane | water | thion, | water, | chlor, | buzin, | water, | water, | |
fltrd | fltrd | fltrd | fltrd | water, | water, | fltrd | water, | fltrd | water, | water, | fltrd | fltrd | |
Date | 0.7u GF | 0.7u GF | 0.7u GF | 0.7u GF | fltrd, | fltrd, | 0.7u GF | fltrd, | 0.7u GF | fltrd, | fltrd, | 0.7u GF | 0.7u GF |
ug/L | ug/L | ug/L | ug/L | ug/L | ug/L | ug/L | ug/L | ug/L | ug/L | ug/L | ug/L | ug/L | |
(82677) | (82668) | (82663) | (82672) | (04095) | (39341) | (82666) | (39532) | (82667) | (39415) | (82630) | (82671) | (82684) | |
OCT 2003 | |||||||||||||
01... | <.02 | <.002 | <.009 | <.005 | <.003 | <.004 | <.035 | <.027 | <.006 | .030 | <.006 | <.002 | <.007 |
DEC | |||||||||||||
19... | <.02 | <.004 | <.009 | <.005 | <.003 | <.004 | <.035 | <.027 | <.015 | .014 | <.006 | <.003 | <.007 |
FEB 2004 | |||||||||||||
03... | <.02 | <.004 | <.009 | <.005 | <.003 | <.004 | <.035 | <.027 | <.015 | E.012 | <.006 | <.003 | <.007 |
APR | |||||||||||||
20... | <.02 | <.004 | <.009 | <.005 | <.003 | <.004 | <.035 | <.027 | <.015 | .240 | <.006 | <.003 | <.007 |
MAY | |||||||||||||
19... | <.02 | <.004 | <.009 | <.005 | <.003 | <.004 | <.035 | <.027 | <.015 | 3.36 | .069 | <.003 | <.007 |
JUN | |||||||||||||
18... | <.02 | <.004 | <.009 | <.005 | <.003 | <.004 | <.035 | <.027 | <.015 | .623 | <.006 | <.003 | <.007 |
JUL | |||||||||||||
15... | <.02 | <.004 | <.009 | <.005 | <.003 | <.004 | <.035 | <.027 | <.015 | .112 | <.006 | <.003 | <.007 |
AUG | |||||||||||||
06... | <.02 | <.004 | <.009 | <.005 | <.003 | <.004 | <.035 | <.027 | <.015 | .499 | <.006 | <.003 | <.007 |
Pendi- | |||||||||||||
Peb- | meth- | Propy- | Pro- | Propar- | Tebu- | Terba- | |||||||
p,p'- | Para- | ulate, | alin, | Phorate | Prome- | zamide, | Propa- | panil, | gite, | Sima- | thiuron | cil, | |
DDE, | thion, | water, | water, | water | ton, | water, | chlor, | water, | water, | zine, | water | water, | |
water, | water, | fltrd | fltrd | fltrd | water, | fltrd | water, | fltrd | fltrd | water, | fltrd | fltrd | |
Date | fltrd, | fltrd, | 0.7u GF | 0.7u GF | 0.7u GF | fltrd, | 0.7u GF | fltrd, | 0.7u GF | 0.7u GF | fltrd, | 0.7u GF | 0.7u GF |
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 | |
(34653) | (39542) | (82669) | (82683) | (82664) | (04037) | (82676) | (04024) | (82679) | (82685) | (04035) | (82670) | (82665) | |
OCT 2003 | |||||||||||||
01... | <.003 | <.010 | <.004 | <.022 | <.011 | E.01 | <.004 | <.010 | <.011 | <.02 | <.005 | <.02 | <.034 |
DEC | |||||||||||||
19... | <.003 | <.010 | <.004 | <.022 | <.011 | .01 | <.004 | <.025 | <.011 | <.02 | <.005 | <.02 | <.034 |
FEB 2004 | |||||||||||||
03... | <.003 | <.010 | <.004 | <.022 | <.011 | .01 | <.004 | <.025 | <.011 | <.02 | <.005 | <.02 | <.034 |
APR | |||||||||||||
20... | <.003 | <.010 | <.004 | <.022 | <.011 | .01 | <.004 | <.025 | <.011 | <.02 | .033 | <.02 | <.034 |
MAY | |||||||||||||
19... | <.003 | <.010 | <.004 | .029 | <.011 | .01 | <.004 | <.025 | <.011 | <.02 | .085 | <.02 | <.034 |
JUN | |||||||||||||
18... | <.004 | <.010 | <.004 | <.022 | <.011 | .01 | <.004 | <.025 | <.011 | <.02 | .048 | <.02 | <.034 |
JUL | |||||||||||||
15... | <.003 | <.010 | <.004 | <.022 | <.011 | .02 | <.004 | <.025 | <.011 | <.02 | .007 | <.02 | <.034 |
AUG | |||||||||||||
06... | <.003 | <.010 | <.004 | <.022 | <.011 | .05 | <.004 | <.025 | <.011 | <.69 | E.005 | <.02 | <.034 |
Tri- | Sus- | ||||
Terbu- | Thio- | Tri- | flur- | pended | |
fos, | bencarb | allate, | alin, | sedi- | |
water, | water | water, | water, | ment | |
fltrd | fltrd | fltrd | fltrd | concen- | |
Date | 0.7u GF | 0.7u GF | 0.7u GF | 0.7u GF | tration |
ug/L | ug/L | ug/L | ug/L | mg/L | |
(82675) | (82681) | (82678) | (82661) | (80154) | |
OCT 2003 | |||||
01... | <.02 | <.005 | <.002 | <.009 | 87 |
DEC | |||||
19... | <.02 | <.010 | <.002 | <.009 | 71 |
FEB 2004 | |||||
03... | <.02 | <.010 | <.002 | <.009 | 52 |
APR | |||||
20... | <.02 | <.010 | <.002 | <.009 | 234 |
MAY | |||||
19... | <.02 | <.010 | <.002 | <.009 | 488 |
JUN | |||||
18... | <.02 | <.010 | <.002 | <.009 | 142 |
JUL | |||||
15... | <.02 | <.010 | <.002 | <.009 | 133 |
AUG | |||||
06... | <.02 | <.010 | <.002 | <.009 | 119 |
Table of Contents |
Introduction |
Station Descriptions |
Surface-Water Data |
Ground-Water Data |
Meteorological Data |
Biological Data |