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DESCRIPTION:

Latitude 43°15'17.5",   Longitude 102°49'36.8"   NAD27

Oglala Lakota County, South Dakota, Hydrologic Unit 10140201

Drainage area: 2,156 square miles

Contributing drainage area: 2,156 square miles,

Datum of gage: 2,855.11 feet above   NAVD88.

AVAILABLE DATA:

Data Type	Begin Date	End Date	Count
Current / Historical Observations     (availability statement)	1990-10-01	2021-04-10
Daily Data
Discharge, cubic feet per second	1943-06-01	2021-04-09	28431
Gage height, feet	2018-05-01	2021-04-09	899
Daily Statistics
Discharge, cubic feet per second	1943-06-01	2020-10-01	28248
Gage height, feet	2018-05-01	2020-10-01	716
Monthly Statistics
Discharge, cubic feet per second	1943-06	2020-10
Gage height, feet	2018-05	2020-10
Annual Statistics
Discharge, cubic feet per second	1943	2021
Gage height, feet	2018	2021
Peak streamflow	1944-06-14	2020-03-02	77
Field measurements	1943-06-11	2021-02-23	355
Field/Lab water-quality samples	1949-12-05	2015-08-24	483
Water-Year Summary	2006	2020	15
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 19.0 ft.