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Water-Year Summary for Site 06485910

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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)  
00065 Gage height(Mean) [(2)]  

Water year 2021: 2021-10-01 to 2022-09-30
 

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USGS Water-Year Summary 2021
06485910 BIG SIOUX RIVER NR JEFFERSON, SD
LOCATION - Lat 42°37'35", long 96°30'55" referenced to North American Datum of 1927, in NE 1/4 NW 1/4 SE 1/4 sec.9, T.90 N., R.48 W., Union County, SD, Hydrologic Unit 10170203, on right bank 10 ft downstream from Union County Road 7, 2.7 mi northeast of Jefferson, and 0.1 mi downstream of Broken Kettle Creek.
DRAINAGE AREA - 8,400 mi² of which 884 mi² probably is noncontributing.
SURFACE-WATER RECORDS
PERIOD OF RECORD - March 2015 to current year.
GAGE - Water-stage recorder. Datum of gage is 1,070 ft above NAVD of 1988, from topographic map.
REMARKS - Accuracy of records for water years prior to 2015 are noted in the individual Annual Data Reports for those water years. For water years 2015 onward, records good except those for estimated discharges, which are poor. Satellite data-collection platform at station.