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DESCRIPTION:

Latitude 45°15'21",   Longitude 100°50'33"   NAD27

Dewey County, South Dakota, Hydrologic Unit 10130306

Drainage area: 4,889 square miles

Contributing drainage area: 4,872 square miles,

Datum of gage: 1,662.82 feet above   NAVD88.

AVAILABLE DATA:

Data Type	Begin Date	End Date	Count
Current / Historical Observations     (availability statement)	1991-03-18	2025-12-23
Daily Data
Discharge, cubic feet per second	1954-07-01	2025-12-17	26090
Daily Statistics
Discharge, cubic feet per second	1954-07-01	2025-04-06	25847
Monthly Statistics
Discharge, cubic feet per second	1954-07	2025-04
Annual Statistics
Discharge, cubic feet per second	1954	2025
Peak streamflow	1953-06	2024-04-28	71
Field measurements	1954-07-01	2025-11-19	965
Field/Lab water-quality samples (Legacy QW is frozen as of March 2024, newer data may be found on MLP)	1969-08-04	2015-09-09	419
Water-Year Summary	2006	2024	19
Revisions	Loading...

OPERATION:

Record for this site is maintained by the USGS South Dakota Water Science Center

Email questions about this site to South Dakota Water Science Center Water-Data Inquiries

ADDITIONAL INFORMATION

National Weather Service Floodstage 21.0 ft.