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Water-Year Summary for Site 06479500

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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: 2021-10-01 to 2022-09-30
 

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USGS Water-Year Summary 2021
06479500 BIG SIOUX RIVER AT WATERTOWN, SD
LOCATION - Lat 44°56'33", long 97°08'45" referenced to North American Datum of 1927, in SW 1/4 SW 1/4 NW 1/4 sec.13, T.117 N., R.53 W., Codington County, SD, Hydrologic Unit 10170202, on right bank near downstream end of county highway bridge over 453 Avenue, 1.7 mi downstream from inlet-outlet to Lake Kampeska, 7.1 mi upstream from Willow Creek, and 3.5 mi northwest of Watertown.
DRAINAGE AREA - 806 mi² of which 449 mi² probably is noncontributing. documented runoff occurred during 1994-2002 water years for 213 mi² of the usually noncontributing area.
REVISIONS HISTORY - WDR SD-10-1: Drainage area.
SURFACE-WATER RECORDS
PERIOD OF RECORD - October 1945 to September 1972 daily streamflow. October 1996 to September 1997 as crest-stage gage. October 1999 to current year.
GAGE - Water-stage recorder and crest-stage gage.  Datum of gage is 1,711.41 ft above North American Vertical Datum (NAVD) of 1988. Prior to conversion to NAVD88, datum of gage was published as 1,710.44 ft above National Geodetic Vertical Datum (NGVD) of 1929. Prior to Oct. 15, 1958, non-recording gage at same site at datum of 1,710.44 ft above NGVD29.
REMARKS - Accuracy of records for water years prior to 2014 are noted in the individual Annual Data Reports for those water years. For water years 2014 onward, records good except those for estimated discharges, which are poor. Satellite data-collection platform at station. Water is stored naturally offstream in Lake Kampeska (capacity, 35,500 acre-ft) during periods when river is rising and then naturally released, in part, when river is falling.
EXTREMES FOR PERIOD OF RECORD - Minimum daily discharge, 0.00 ft³/s, Dec. 9, 1945, no flow at times in most years.