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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
06357800 GRAND RIVER AT LITTLE EAGLE, SD
LOCATION - Lat 45°39'28", long 100°49'04" referenced to North American Datum of 1927, in NE 1/4 NE 1/4 sec.32, T.20 N., R.27 E., Corson County, SD, Hydrologic Unit 10130303, on left bank at downstream side of bridge on State Highway 63, 1.3 mi southwest of Little Eagle, and 4.7 mi downstream from Little Oak Creek.
DRAINAGE AREA - 5,316 mi².
REVISIONS HISTORY - WDR SD-10-1: Drainage area.
SURFACE-WATER RECORDS
PERIOD OF RECORD - July 1958 to current year.
GAGE -
Datum of the gage is 1,625.78 feet above North American Vertical Datum of 1988 (NAVD88) and 1,624.63 feet above National Geodetic Vertical Datum of 1929 (NGVD29).
For a detailed gage datum history, please use the blue 'questions or comments' tab on the bottom of the site's monitoring location page.
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. Flow regulated by Shadehill Dam 144 mi upstream since July 1, 1950. (See station 06357000.) Satellite data-collection platform at station.
EXTREMES FOR PERIOD OF RECORD - Minimum daily discharge, 0.00 ft³/s, Oct. 2, 1958, no flow at times in some years.
