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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
06479010 VERMILLION RIVER NEAR VERMILLION, SD
LOCATION - Lat 42°49'02", long 96°55'26" referenced to North American Datum of 1927, in SE 1/4 SE 1/4 NE 1/4 sec.01, T.92 N., R.52 W., Clay County, SD, Hydrologic Unit 10170102, on left bank 30 ft downstream from bridge, 2.7 mi north of Vermillion, 2.9 mi upstream from Clay Creek, and 10.8 mi upstream from mouth.
DRAINAGE AREA - 2,254 mi² of which 478 mi² probably is noncontributing. (area was contributing during 1986-88, 1993-2002).
REVISIONS HISTORY - WDR SD-10-1: Drainage area.
SURFACE-WATER RECORDS
PERIOD OF RECORD - October 1983 to current year.
GAGE - Water-stage recorder and crest-stage gage. Gage datum is 1,121.65 ft above NAVD88. Prior to conversion to NAVD88, datum of gage was published as 1,121.12 ft above NGVD29, from levels by USGS.
REMARKS - Record quality ratings may not be included in the water-year summary for approved records newer than Sept. 30, 2018. Record quality is still being rated internally. For questions about record quality ratings, please send email to gs-w-sd_NWISWEB_Data_Inquiries@usgs.gov. Peak gage height for 2024 water year, from floodmark. Occasional backwater caused by high flows from the Missouri River in some years. Satellite data-collection platform at station. Flow affected by East Vermillion Lake Reservoir, capacity, 550 acres, located about 54 mi upstream.
EXTREMES FOR PERIOD OF RECORD - Minimum daily discharge, 0.82 ft³/s, Sept. 8, 2022.
