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Water-Year Summary for Site 05438170

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  • Water-Year Summary reports summarize a year of hydrologic data in a printer-friendly format.
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Available Parameters
00060 Discharge(Mean)  
00065 Gage height(Mean)  

Water year 2023: 2022-10-01 to 2023-09-30
 
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USGS Water-Year Summary 2023
05438170 KISHWAUKEE RIVER AT MARENGO, IL
LOCATION - Lat 42°15'55.26", long 88°36'30.56" referenced to North American Datum of 1983, in NW 1/4 SW 1/4 NW 1/4 sec.25, T.44 N., R.5 E., McHenry County, IL, Hydrologic Unit 07090006, at bridge on State Highway 23, about 3 mi. downstream of South Branch Kishwaukee River, 0.7 mi north of Marengo, and at mile 40.0.
DRAINAGE AREA - 170 mi².
REVISIONS HISTORY - Revisions: Gage datum was updated to 786.12 ft NAVD88 on Jan. 3, 2023, based on a GNSS Level II survey using GEOID18.
SURFACE-WATER RECORDS
PERIOD OF RECORD -
SURFACE-WATER DISCHARGE AND STAGE
  DISCHARGE: November 2010 to current.
  STAGE: November 2010 to current.
  PARTIAL RECORD: Annual maximum, water years 1970 to 1979.
    Miscellaneous discharge measurements, water years 1972 to 1973 and 1978.
GAGE - Water-stage recorder, satellite telemeter and crest-stage gage. Datum of gage is 786.12 ft. above NAVD of 1988. Prior to November 2010, crest-stage gage at datum 794.36 ft above NGVD of 1929 at present site.
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, 7,350 ft³/s, September 18, 1972, gage height, 4.87 ft, datum then in use; minimum, 13.0 ft³/s, August 30, 31; September 1, 4 and 13, 2012.