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DESCRIPTION:

Latitude 44°00'49",   Longitude 103°49'48"   NAD27

Pennington County, South Dakota, Hydrologic Unit 10120110

Drainage area: 79.1 square miles

Contributing drainage area: 79.1 square miles,

Datum of gage: 5,912.33 feet above   NAVD88.

AVAILABLE DATA:

Data Type	Begin Date	End Date	Count
Current / Historical Observations     (availability statement)	1990-10-01	2026-01-19
Daily Data
Discharge, cubic feet per second	1948-07-01	2026-01-18	28325
Gage height, feet	2017-10-16	2026-01-18	2872
Daily Statistics
Discharge, cubic feet per second	1948-07-01	2024-10-21	27872
Gage height, feet	2017-10-16	2024-10-21	2466
Monthly Statistics
Discharge, cubic feet per second	1948-07	2024-10
Gage height, feet	2017-10	2024-10
Annual Statistics
Discharge, cubic feet per second	1948	2025
Gage height, feet	2018	2025
Peak streamflow	1949-06-02	2023-10-12	76
Field measurements	1965-06-17	2025-11-14	458
Field/Lab water-quality samples (Legacy QW is frozen as of March 2024, newer data may be found on MLP)	1964-12-31	2015-08-07	619
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 6.5 ft.