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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.
USGS Water-Year Summary 2024
05535400 WEST FORK OF NORTH BRANCH CHICAGO RIVER AT DEERFIELD, IL
LOCATION - Lat 42°10'02.42", long 87°51'25.28" referenced to North American Datum of 1983, in NW 1/4 NW 1/4 NE 1/4 sec.32, T.43 N., R.12 E., Lake County, IL, Hydrologic Unit 07120003, on downstream side of bridge on Deerfield Road at Deerfield.
DRAINAGE AREA - 6.50 mi².
REVISIONS HISTORY - Revisions: Gage datum was revised to 639.70 ft NAVD88 on Sept. 15, 2022, as determined by a GNSS Level II survey using GEOID18. Gage datum was previously published in error as 639.84 ft NAVD88.
SURFACE-WATER RECORDS
PERIOD OF RECORD -
SURFACE-WATER DISCHARGE AND STAGE
DISCHARGE: Annual maximum, water years 1961 to 1976.
STAGE: Annual maximum, water years 1961 to 1976. Water years 2018 to current.
GAGE - Water-stage recorder, satellite telemeter, and crest-stage gage. Datum of gage is 639.70 ft. above NAVD of 1988. Prior to Sept 21, 2017, nonrecording gage at datum 11.02 ft higher.
REMARKS - Accuracy of records is discussed in the annual Station Analysis archived at the USGS Central Midwest Water Science Center.
EXTREMES FOR PERIOD OF RECORD - SURFACE-WATER DISCHARGE AND STAGE:
Maximum discharge, 571 ft³/sec, June 10, 1967, gage height, 5.82 ft., datum then in use, 16.84 ft. current datum.
