USGS Water-Year Summary 2024
05527500 KANKAKEE RIVER NEAR WILMINGTON, IL
LOCATION - Lat 41°20'46.8", long 88°11'12.2" referenced to North American Datum of 1983, in NW 1/4 NW 1/4 sec.15, T.33 N., R.9 E., Will County, IL, 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
DRAINAGE AREA - 5,150 mi².
REVISIONS HISTORY - WDR IL-75-1: Drainage area. WDR IL-83-2: 1982(M). WDR IL-91-2:1981(M).
Revisions: Water temperature for Jan. 20, 2019, through Feb. 4, 2019, was revised on Apr. 24, 2020, to remove erroneous values.
Revisions: Gage datum was updated to 510.94 ft NAVD88 on June 6, 2023, as determined by a GNSS Level II survey. Gage datum was previously published as 510.86 ft NGVD29 (510.57 ft NAVD88), from levels. Datum was published in error as 511.10 ft NGVD29 from Feb. 16, 1935, to Sept. 30, 1953.
SURFACE-WATER RECORDS
PERIOD OF RECORD -
SURFACE-WATER DISCHARGE AND STAGE
DISCHARGE: February 1935 to current. 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.
STAGE: Water years 1994 to current.
SURFACE-WATER QUALITY
CHEMICAL: Water years 1977-91 and 2009-2012.
Additional chemical data for water years 1959-77 are published in Water Resources Investigations 78-23 and 79-24 as site F 01.
SEDIMENT: October 1978 to September 1982, January 1993 to December 1995.
WATER TEMPERATURE: Water years 1973-77, October 2013 to current.
GAGE - Water-stage recorder, U.S. Army Corps of Engineers satellite telemeter, and water-temperature thermistor. Datum of gage is 510.94 ft above North American Vertical Datum of 1988.
EXTREMES OUTSIDE PERIOD OF RECORD -
SURFACE-WATER DISCHARGE AND STAGE: Floods in 1883, 1887 reached a stage of 16.7 ft, discharge not determined.
EXTREMES FOR PERIOD OF RECORD -
SURFACE-WATER DISCHARGE AND STAGE: Maximum discharge, 75,900 ft³/s, July 13, 1957, gage height, 11.40 ft; maximum gage height, 15.62 ft, Jan. 26, 2024, ice jam, discharge unknown; minimum, 204 ft³/s, Aug. 1, 1936.
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.
SUSPENDED-SEDIMENT LOADS: Maximum daily, 172,000 tons, Apr. 14, 1981; minimum daily, 12 tons, Sept. 20, 29-30, 1995.
WATER TEMPERATURE: Maximum water temperature, 32.9°C, Aug. 28, 2020; minimum, -0.20°C, Mar. 8, 2019.