USGS Water-Year Summary for Site 05526000

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	Available Parameters
	00060 Discharge(Mean)
	00065 Gage height(Mean)

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Water year 2023: 2022-10-01 to 2023-09-30

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USGS Water-Year Summary 2023

05526000 IROQUOIS RIVER NEAR CHEBANSE, IL

LOCATION - Lat 41°00'33.2", long 87°49'26.6" referenced to North American Datum of 1983, in NW 1/4 SE 1/4 SW 1/4 sec.10, T.29 N., R.13 W., Kankakee County, IL, Hydrologic Unit 07120002, on downstream guard rail in center bridge on County Highway, 3.1 miles downstream from Beaver Creek, 4.5 miles east of Chebanse, and at mile 6.5.

DRAINAGE AREA - 2,091 mi².

REVISIONS HISTORY - WSP 1308: 1924-28(M), 1930(M), 1936(M), 1938(M), 1942(M), 1947(M). WDR IL-75-1: Drainage area.

SURFACE-WATER RECORDS

PERIOD OF RECORD -
SURFACE-WATER DISCHARGE AND STAGE
  DISCHARGE: April 1923 to current.
  STAGE: Water years 1994 to current.
SURFACE-WATER QUALITY
  CHEMICAL: Water years 1978-1991, 1999-2001 and 2009-2012.
    Additional chemical data for water years 1959-77 are published in
    Water-Resources Investigations 78-23 and 79-24 as site FL 02.
  SEDIMENT: October 1978 to September 1981, January 1993 to December 1995.
  MISCELLANEOUS: Water years 1998 and 2002; Contaminants in streambed
    sediments, August 1998; contaminants in fish tissue, August 1998.
BIOLOGICAL
  ALGAE: Water year 1999.
  BENTHIC MACROINVERTEBRATES: Water year 1999.
  FISH: Water year 1999.
  HABITAT: Water year 1999-2000.

GAGE -

Water-stage recorder, satellite telemetry, and crest-stage gage. Datum of gage is 595.79 ft above North American Vertical Datum of 1988.

Prior to June 16, 1976, nonrecording gage, and June 17, 1976, to Aug. 13, 1979, water-stage recorder at site 600 ft upstream at datum 2.00 ft higher.

Aug. 14 to Oct. 24, 1979, nonrecording gage at present site at datum 2.00 ft higher.

REMARKS - Accuracy of records is discussed in the annual Station Analysis archived at the USGS IL Water Science Center.

EXTREMES OUTSIDE PERIOD OF RECORD - SURFACE-WATER DISCHARGE AND STAGE: Flood in spring of 1913 reached a stage of 21.6 ft, present datum, discharge about 34,000 ft³/s.

EXTREMES FOR PERIOD OF RECORD -

SURFACE-WATER DISCHARGE AND STAGE: Maximum discharge, 28,900 ft³/s, Feb. 23, 2018, gage height, 20.60 ft; maximum gage height, 21.68 ft, Mar. 7, 1979, ice jam, present datum; minimum discharge, 9.0 ft³/s, Oct. 6-8, 1956.

SUSPENDED-SEDIMENT CONCENTRATIONS: Maximum daily, 1,400 mg/L, Apr. 14, 1979; minimum daily, 4 mg/L, Mar. 3, 1994.

SUSPENDED-SEDIMENT LOADS: Maximum daily, 57,000 tons, June 5, 1980; minimum daily, 3.2 tons, Nov. 16, 1979.