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Water-Year Summary for Site 05587480

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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)  
80154 Suspnd sedmnt conc(Mean)  
80155 Suspnd sedmnt disch(Mean)  

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

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USGS Water-Year Summary 2021
LOCATION - Lat 38°57'28", long 90°16'18" referenced to North American Datum of 1983, in NE 1/4 NW 1/4 SW 1/4 sec.19, T.6 N., R.11 W., Madison County, IL, Hydrologic Unit 07110009, on uptream side of State Route 3 bridge, 2.1 mi. northwest of Melville, and at mile 4.5.
DRAINAGE AREA - 102.54 mi².
  DISCHARGE: April 2006 to October 2011.
  STAGE: April 2006 to October 2011.
  SEDIMENT: October 2006 to September 2011.
GAGE - Water-stage recorder, satellite telemeter, crest stage gage, and automatic water sampler. Datum of gage is 414.59 ft above NAVD of 1988 (415.02 ft. NGVD 1929).
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, 13,900 ft³/s, July 15, 2009, gage height, 20.31 ft, maximum gage height, 22.26 ft, Sept. 14, 2008; discharge, 7,150 ft³/s; no flow for many days due to backwater from the Mississippi River.
SUSPENDED-SEDIMENT CONCENTRATIONS: Maximum daily, 10,000 mg/L, Oct. 31, 2009; minimum daily, 15 mg/L Oct. 1-3, 2009.
SUSPENDED-SEDIMENT LOADS: Maximum daily, 130,000 tons, July 15, 2009; minimum daily, 0 tons, in most years.