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Water-Year Summary for Site 05531500

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  • Water-Year Summary reports summarize a year of hydrologic data in a printer-friendly format.
  • For water years 2014 onward, choose a water year and parameter and an on-demand Water-Year Summary report will be generated.
  • For water years 2006 through 2013, choose a water year and an Annual Water Data Report will be provided.
  • For water years 2005 and earlier, Annual Water Data Reports may be available in digital format.
  • Not all sites have reports available for every water year.
Available Parameters
00060 Discharge(Mean)  
00065 Gage height(Mean)  

Water year 2021: 2020-10-01 to 2021-09-30

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USGS Water-Year Summary 2021
LOCATION - Lat 41°49'33", long 87°54'01" referenced to North American Datum of 1983, in NE 1/4 NE 1/4 SE 1/4 sec.31, T.39 N., R.12 E., Cook County, IL, Hydrologic Unit 07120004, on left pier at upstream side of bridge on Wolf Road, in Cook County Forest Preserve, 0.5 mi north of Western Springs, and at mile 8.8.
DRAINAGE AREA - 115 mi².
REVISIONS HISTORY - WSP 1915: Drainage area. WRD IL-87-2: Drainage area. WRD IL-97-2: July 21 - Sept. 26, 1996.
  DISCHARGE: October 1945 to current.
  STAGE: Water years 1994 to current.
  CHEMICAL: Water years 1978-91 and 1999-2005.
  DISSOLVED OXYGEN: Water years 2001-2003.
  PH: Water years 2001-2003.
  SPECIFIC CONDUCTANCE: Water years 2001-2003.
  TURBIDITY: Water years 2001-2003.
  WATER TEMPERATURE: Water years 2001-2003.
  MISCELLANEOUS: Contaminants in streambed sediments, August 1998;
    contaminants in fish tissue, August 1998.
  ALGAE: Water years 1989-90, 1999, and 2002-05.
  BENTHIC MACROINVERTEBRATES: Water years 1999 and 2002-05.
  FISH: Water years 1999-2000 and 2002-05. HABITAT: Water years 1999-2000 and 2002-05.

Water-stage recorder, satellite telemeter, and crest-stage gage. The datum of the gage is 624.72 ft. above NAVD 1988. From water year 1946 to 2020 (November 19, 2020) the datum of gage was 624.93 ft above NGVD of 1929 (624.64 ft NAVD 1988). Prior to July 26, 1946, nonrecording gage at same site and datum.

REMARKS - Occasional regulation by sewage-treatment plants upstream from the gaging station. Since May 28, 1996, some flow temporarily diverted for flood control to Elmhurst Quarry Flood Control Reservoir 12.3 mi. upstream from gage. Flow may also periodically be affected by multiple dams with adjustable gates located 2.3 miles and 4.1 miles upstream. 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, 3,980ft³/s, April 18, 2013, gage height, 10.65 ft; no flow, May 27, 1998, due to bridge construction.