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DESCRIPTION:

Latitude 43°54'18.9",   Longitude 99°52'32.8"   NAD27

Lyman County, South Dakota, Hydrologic Unit 10140104

Drainage area: 447 square miles

Contributing drainage area: 439 square miles,

Datum of gage: 1,659.64 feet above   NGVD29.

AVAILABLE DATA:

Data Type	Begin Date	End Date	Count
Daily Data
Discharge, cubic feet per second	1954-07-01	1990-09-30	13241
Daily Statistics
Discharge, cubic feet per second	1954-07-01	1990-09-30	13241
Monthly Statistics
Discharge, cubic feet per second	1954-07	1990-09
Annual Statistics
Discharge, cubic feet per second	1954	1990
Peak streamflow	1952-04	2021-09-02	65
Field measurements	1982-08-26	2022-05-01	146
Field/Lab water-quality samples	1976-02-27	2015-06-22	87
Water-Year Summary	2006	2013	8
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Record for this site is maintained by the USGS South Dakota Water Science Center

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