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DESCRIPTION:

Latitude 44°05'05",   Longitude 103°34'48"   NAD27

Pennington County, South Dakota, Hydrologic Unit 10120110

Drainage area: 293 square miles

Contributing drainage area: 293 square miles,

Datum of gage: 4,622.18 feet above   NAVD88.

AVAILABLE DATA:

Data Type	Begin Date	End Date	Count
Current / Historical Observations     (availability statement)	1990-10-01	2026-01-18
Daily Data
Discharge, cubic feet per second	1953-10-01	2026-01-17	26406
Gage height, feet	2018-05-01	2026-01-17	2800
Daily Statistics
Discharge, cubic feet per second	1953-10-01	2024-10-15	25948
Gage height, feet	2018-05-01	2024-10-15	2345
Monthly Statistics
Discharge, cubic feet per second	1953-10	2024-10
Gage height, feet	2018-05	2024-10
Annual Statistics
Discharge, cubic feet per second	1954	2025
Gage height, feet	2018	2025
Peak streamflow	1954-05-23	2023-10-12	71
Field measurements	1955-07-28	2025-11-18	400
Field/Lab water-quality samples (Legacy QW is frozen as of March 2024, newer data may be found on MLP)	1975-10-08	2023-10-04	411
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 13.0 ft.