LOCATION.-- Lat 41°20'48", long 88°11'11" (NAD of 1927), in NW1/4NW1/4 sec. 15, T.33 N., R.9 E., Will County, Hydrologic Unit 07120001, on right bank, 0.4 mi downstream from Prairie Creek, 0.5 mi upstream from bridge on Interstate 55, 5 mi downstream from Wilmington, and at mile 5.7. |
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DRAINAGE AREA.-- 5,150 mi2. |
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PERIOD OF RECORD.-- |
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SURFACE-WATER DISCHARGE AND STAGE |
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DISCHARGE: February 1935 to current year. Monthly discharge only for some periods, published in WSP 1308. November 1914 to September 1933 at site 8.5 mi upstream, published as Kankakee River at Custer Park. Records may not be equivalent. |
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STAGE: Water years 1994-2002. |
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SURFACE-WATER QUALITY |
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CHEMICAL: Water years 1977-91. Additional chemical data for water years 1959-77 are published in Water Resources Investigations 78-23 and 79-24 as site F 01. |
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SEDIMENT: October 1978 to September 1982, January 1993 to December 1995. |
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WATER TEMPERATURE: Water years 1973-77. |
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REVISED RECORDS.-- WDR IL-75-1: Drainage area. WDR IL-83-2: 1982(M). WDR IL-91-2: 1981(M). |
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GAGE.-- Water-stage recorder and U.S. Army Corps of Engineers satellite telemeter. Datum of gage is 510.86 ft above NGVD of 1929. |
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REMARKS.-- Slight diurnal fluctuation at low flow caused by powerplants upstream from station. |
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EXTREMES FOR PERIOD OF RECORD.-- |
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SURFACE-WATER DISCHARGE AND STAGE: Maximum discharge, 75,900 ft3/s, July 13, 1957, gage height, 11.40 ft; maximum gage height, 13.88 ft, Jan. 30, 1968, ice jam; minimum discharge, 204 ft3/s, Aug. 1, 1936. |
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SUSPENDED-SEDIMENT CONCENTRATIONS: Maximum daily, 2,180 mg/L, Apr. 14, 1981; minimum daily, 5 mg/L, Feb. 5, 1993, Sept. 24-30, 1995, Oct. 12, 1995. |
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SUSPENDED-SEDIMENT LOADS: Maximum daily, 172,000 tons, Apr. 14, 1981; minimum daily, 12 tons, Sept. 20, 29-30, 1995. |
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EXTREMES OUTSIDE PERIOD OF RECORD.-- |
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SURFACE-WATER DISCHARGE AND STAGE: Floods in 1883, 1887 reached a stage of 16.73 ft, discharge not determined. |
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REMARKS FOR CURRENT YEAR.-- Records good except those for estimated daily discharges, which are poor. |
DISCHARGE, in CFS, WATER YEAR OCTOBER 2001 TO SEPTEMBER 2002 DAILY MEAN VALUES |
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DAY | OCT | NOV | DEC | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP |
1 | 950 | 10600 | 6420 | e4000 | 16800 | 7170 | 12500 | 15800 | 6650 | 3320 | 1950 | 1070 |
2 | 905 | 10300 | 7750 | e3900 | 19500 | 6930 | 13900 | 14800 | 6330 | 2980 | 2020 | 962 |
3 | 787 | 11300 | 8060 | e4000 | 19200 | 7970 | 16200 | 13800 | 6020 | 2680 | 1870 | 862 |
4 | 793 | 10000 | 7540 | e4800 | 18700 | 9590 | 14500 | 12400 | 5730 | 2380 | 2070 | 806 |
5 | 989 | 8830 | 6970 | e6000 | 17000 | 10300 | 12900 | 11000 | 5570 | 2270 | 2520 | 770 |
6 | 1240 | 7970 | 6450 | e7200 | 14500 | 9970 | 11700 | 9870 | 5360 | 2120 | 2270 | 729 |
7 | 1540 | 7400 | 5940 | e7600 | 12200 | 11100 | 11000 | 9260 | 5460 | e2050 | 2180 | 654 |
8 | 1660 | 6800 | 5520 | e7000 | 10600 | 16700 | 11300 | 8490 | 5610 | e2000 | 1650 | 621 |
9 | 1910 | 6210 | 5150 | e6400 | 9610 | 22400 | 17000 | 11000 | 5470 | e2300 | 1360 | 733 |
10 | 2080 | 5700 | 4750 | e5800 | 9660 | 20700 | 16800 | 14100 | 5210 | 2270 | 1170 | 737 |
11 | 1930 | 5370 | 4460 | e5300 | 9210 | 17500 | 15000 | 13600 | 5130 | 2260 | 1010 | 705 |
12 | 2120 | 5090 | 4230 | e4800 | 8130 | 16100 | 13300 | 32700 | 5050 | 2260 | 880 | 626 |
13 | 2830 | 4860 | 4190 | 4280 | 7350 | 14700 | 12100 | 40100 | 5140 | 2140 | 817 | 691 |
14 | 6930 | 4730 | 4270 | 3870 | 6760 | 13300 | 11300 | 31400 | 5350 | 1870 | 781 | 681 |
15 | 12500 | 4500 | 4830 | 3520 | 6370 | 11900 | 10400 | 28500 | 5740 | 1690 | 763 | 678 |
16 | 13800 | 4350 | 5720 | 3100 | 6060 | 10900 | 9700 | 26300 | 5950 | 1490 | 806 | 664 |
17 | 15100 | 4210 | 6900 | 2800 | 5740 | 10000 | 9010 | 24000 | 5520 | 1340 | 857 | 643 |
18 | 15600 | 4060 | 8750 | 2660 | 5370 | 9340 | 8420 | 21200 | 4980 | 1240 | 799 | 708 |
19 | 15300 | 3870 | 10100 | 2670 | 5280 | 8630 | 8000 | 18600 | 4480 | 1180 | 1260 | 692 |
20 | 14400 | 3800 | 10200 | 2610 | 7010 | 8190 | 7560 | 16600 | 4010 | 1140 | 2200 | 931 |
21 | 12800 | 3680 | 9460 | 2570 | 12200 | 7650 | 7580 | 14900 | 3770 | 1060 | 5540 | 1010 |
22 | 12000 | 3630 | 8390 | 2550 | 13700 | 7130 | 7590 | 13600 | 3420 | 1070 | 6170 | 985 |
23 | 13900 | 3550 | 7670 | 2600 | 13900 | 6700 | 7660 | 12400 | 3230 | 1040 | 5900 | 998 |
24 | 15000 | 3580 | 7330 | 2580 | 13200 | 6420 | 7890 | 11800 | 3090 | 1030 | 4500 | 936 |
25 | 17800 | 3620 | 6810 | 2560 | 11300 | 6180 | 8440 | 11000 | 2930 | 1190 | 3900 | 812 |
26 | 19300 | 3620 | 6310 | 2520 | 9830 | 5970 | 8490 | 9990 | 2700 | 1480 | 4050 | 868 |
27 | 18800 | 3550 | 5900 | 2480 | 8740 | 5820 | 8630 | 9050 | 3350 | 1580 | 3900 | 917 |
28 | 18200 | 3400 | 5570 | 2480 | 7850 | 5980 | 13100 | 8300 | 4140 | 1480 | 3260 | 964 |
29 | 16800 | 3390 | 5030 | 2470 | --- | 6530 | 16400 | 7720 | 4290 | 1400 | 2280 | 966 |
30 | 14800 | 4080 | e4600 | 3260 | --- | 8680 | 16300 | 7400 | 3900 | e1550 | 1600 | 961 |
31 | 12500 | --- | e4300 | 7190 | --- | 11400 | --- | 7060 | --- | e1750 | 1250 | --- |
TOTAL | 285264 | 166050 | 199570 | 125570 | 305770 | 321850 | 344670 | 486740 | 143580 | 55610 | 71583 | 24380 |
MEAN | 9202 | 5535 | 6438 | 4051 | 10920 | 10380 | 11490 | 15700 | 4786 | 1794 | 2309 | 812.7 |
MAX | 19300 | 11300 | 10200 | 7600 | 19500 | 22400 | 17000 | 40100 | 6650 | 3320 | 6170 | 1070 |
MIN | 787 | 3390 | 4190 | 2470 | 5280 | 5820 | 7560 | 7060 | 2700 | 1030 | 763 | 621 |
CFSM | 1.79 | 1.07 | 1.25 | 0.79 | 2.12 | 2.02 | 2.23 | 3.05 | 0.93 | 0.35 | 0.45 | 0.16 |
IN. | 2.06 | 1.20 | 1.44 | 0.91 | 2.21 | 2.32 | 2.49 | 3.52 | 1.04 | 0.40 | 0.52 | 0.18 |
e Estimated |
STATISTICS OF MONTHLY MEAN DATA FOR WATER YEARS 1934 - 2002, BY WATER YEAR (WY) | ||||||||||||
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MEAN | 2338 | 3255 | 4304 | 4858 | 6079 | 7927 | 8108 | 7102 | 5590 | 3500 | 1952 | 1832 |
MAX | 15570 | 15530 | 18150 | 17270 | 13870 | 22730 | 18360 | 21480 | 14320 | 12710 | 5793 | 14370 |
(WY) | 1994 | 1986 | 1983 | 1993 | 1968 | 1982 | 1950 | 1943 | 1993 | 1993 | 1990 | 1993 |
MIN | 515 | 605 | 637 | 700 | 709 | 1443 | 2359 | 1820 | 957 | 463 | 451 | 482 |
(WY) | 1964 | 1954 | 1964 | 1945 | 1963 | 1957 | 1940 | 1958 | 1936 | 1936 | 1988 | 1941 |
SUMMARY STATISTICS | FOR 2001 CALENDAR YEAR | FOR 2002 WATER YEAR | WATER YEARS 1934 - 2002 | |||
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ANNUAL TOTAL | 1977225 | 2530637 | ||||
ANNUAL MEAN | 5417 | 6933 | 4732 | |||
HIGHEST ANNUAL MEAN | 10380 | 1993 | ||||
LOWEST ANNUAL MEAN | 1407 | 1964 | ||||
HIGHEST DAILY MEAN | 28500 | Feb 10 | 40100 | May 13 | 55100 | Nov 28 1990 |
LOWEST DAILY MEAN | 573 | Aug 15 | 621 | Sep 8 | 270 | Jan 1 1940 |
ANNUAL SEVEN-DAY MINIMUM | 638 | Aug 11 | 670 | Sep 11 | 340 | Aug 2 1988 |
MAXIMUM PEAK FLOW | 44600 | May 13 | 75900 A | Jul 13 1957 | ||
MAXIMUM PEAK STAGE | 8.17 | May 13 | 13.88 B | Jan 30 1968 | ||
INSTANTANEOUS LOW FLOW | 603 | Sep 8,12 | 204 | Aug 1 1936 | ||
ANNUAL RUNOFF (CFSM) | 1.05 | 1.35 | 0.92 | |||
ANNUAL RUNOFF (INCHES) | 14.28 | 18.28 | 12.48 | |||
10 PERCENT EXCEEDS | 13200 | 14800 | 10800 | |||
50 PERCENT EXCEEDS | 3870 | 5570 | 3040 | |||
90 PERCENT EXCEEDS | 1070 | 965 | 872 |
Table of Contents |
Introduction |
Station Descriptions |
Surface-Water Data |
Ground-Water Data |
Meteorological Data |
Biological Data |