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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
06482000 BIG SIOUX RIVER AT SIOUX FALLS, SD
LOCATION - Lat 43°30'04", long 96°44'53" referenced to North American Datum of 1927, in SE 1/4 SW 1/4 SW 1/4 sec.32, T.101 N., R.50 W., Minnehaha County, SD, Hydrologic Unit 10170203, on right bank near upstream end of bridge on Western Avenue, 0.1 mi downstream from previous gage, and 2.2 mi downstream from mouth of Skunk Creek.
DRAINAGE AREA - 4,642 mi² of which 883 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: 2008(M); 2009(M); Drainage area.
SURFACE-WATER RECORDS
PERIOD OF RECORD - August 1943 to September 1960, October 2004 to current year.
GAGE -
Water-stage recorder. Datum of gage is 1,393.58 feet above the North American Vertical Datum of 1988 (NAVD88) and 1,392.83 feet above the National Geodetic Vertical datum of 1929 (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.
EXTREMES FOR PERIOD OF RECORD - Maximum combined discharge of bypass and main channel, 16,200 ft³/s, June 17, 1957, gage height, 16.01 ft.
