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DESCRIPTION:

Latitude 41°21'20.5",   Longitude 92°39'25.8"   NAD27

Mahaska County, Iowa, Hydrologic Unit 07080105

Drainage area: 1,635 square miles

Datum of gage: 685.50 feet above   NGVD29.

AVAILABLE DATA:

Data Type	Begin Date	End Date	Count
Current / Historical Observations     (availability statement)	1990-10-16	2017-10-23
Daily Data
Discharge, cubic feet per second	1945-10-01	2017-10-22	26320
Daily Statistics
Discharge, cubic feet per second	1945-10-01	2017-03-13	26097
Monthly Statistics
Discharge, cubic feet per second	1945-10	2017-03
Annual Statistics
Discharge, cubic feet per second	1946	2017
Peak streamflow	1944-05	2015-12-18	72
Field measurements	1945-09-20	2017-10-04	743
Field/Lab water-quality samples	1946-05-23	2001-10-03	227
Water-Year Summary	2006	2016	11

OPERATION:

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

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