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Water-Year Summary for Site 05535500

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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
05535500 WEST FORK OF NORTH BRANCH CHICAGO RIVER AT NORTHBROOK, IL
LOCATION - Lat 42°08'18", long 87°50'05" referenced to North American Datum of 1983, in SW 1/4 SE 1/4 sec.4, T.42 N., R.12 E., Cook County, IL, Hydrologic Unit 07120003, on upstream side of bridge on State Highway 68 at Northbrook, and at mile 7.9.
DRAINAGE AREA - 11.5 mi².
SURFACE-WATER RECORDS
PERIOD OF RECORD -
SURFACE-WATER DISCHARGE AND STAGE
  DISCHARGE: August 1952 to current.
  STAGE: Water years 1994 to current.
GAGE - Water-stage recorder, satellite telemeter, and crest-stage gage. Datum of gage is 637.98 ft above NGVD of 1929 (Cook County Highway Department bench mark) (637.75 ft NAVD 1988). Effluent from sewage-treatment plant 1.7 mi upstream averages about 5 ft³/s.
REMARKS - 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, 1,190 ft³/s, August 14, 1987, gage height, 10.10 ft; no flow at times in several years.