USGS Water-Year Summary for Site 05528000

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	Available Parameters
	00045 Precipitation(Sum)
	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

05528000 DES PLAINES RIVER NEAR GURNEE, IL

LOCATION - Lat 42°20'38", long 87°56'28" referenced to North American Datum of 1983, in SE 1/4 SW 1/4 sec.27, T.45 N., R.11 E., Lake County, IL, Hydrologic Unit 07120004,

on left bank at upstream side of bridge on State Highway 120, 2.5 mi southwest of Gurnee, and at mile 94.2.

The above location information is for the old gage.

DRAINAGE AREA - 232 mi².

REVISIONS HISTORY - WDR IL-75-1: Drainage area. WDR IL-76-1: 1960(M), 1962(M). WDR IL-77-1: 1971.

SURFACE-WATER RECORDS

PERIOD OF RECORD -
SURFACE-WATER DISCHARGE AND STAGE
  DISCHARGE: October 1945 to September 1958, October 1968 to current.
  STAGE: Water years 1994 to current.
  PARTIAL RECORD: Annual maximum, water years 1960-68.
SURFACE-WATER QUALITY
  CHEMICAL: Water years 1977-91.
PRECIPITATION: October 1999 to current.

GAGE -

Water-stage recorder, satellite telemeter, crest-stage gage, and unheated tipping-bucket rain gage.

Datum of gage is 650.07 ft. above NAVD of 1988.

Prior to May 26, 1946, nonrecording gage.

May 27, 1946 to September 30, 1958, water-stage recorder.

Dec. 17, 1959 to September 1968, crest-stage gage.

October 1968 to September 1998, water stage recorder at site 800 ft upstream at same datum.

REMARKS - Beginning around 1977, effluents from both the Waukegan and Gurnee sewage-treatment plants are discharged into the Des Plaines River within approximately 1.0 mi upstream from the gage. Discharges from the plants are about 35 ft³/s and 25 ft³/s, respectively for Waukegan and Gurnee. Collection, computation, and publication of precipitation data do not necessarily conform to standards used by the National Weather Service. Precipitation data could be subject to error for days with freezing and/or thawing of precipitation, which are identified as estimated (e). Accuracy of records is discussed in the annual Station Analysis archived at the USGS IL Water Science Center.

EXTREMES FOR PERIOD OF RECORD - SURFACE-WATER DISCHARGE AND STAGE: Maximum discharge, 3,890 ft³/s, May 25, 2004, gage height, 11.76 ft; maximum gage height, 12.09 ft, July 15, 2017, discharge, 3,440 ft³/s; no flow, Sept. 26 to Oct. 19, 1956, and part of each day Aug. 27-30, Sept. 1, 2, 1970.
PRECIPITATION: Maximum daily total, 5.12 in., July 23, 2022.