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DESCRIPTION:

Latitude 41°00'39",   Longitude 92°24'40"   NAD27

Wapello County, Iowa, Hydrologic Unit 07100009

Drainage area: 13,374 square miles

Datum of gage: 622.00 feet above   NGVD29.

AVAILABLE DATA:

Data Type	Begin Date	End Date	Count
Current / Historical Observations     (availability statement)	1990-10-01	2017-07-20
Daily Data
Discharge, cubic feet per second	1917-03-28	2017-07-19	36639
Daily Statistics
Discharge, cubic feet per second	1917-03-28	2017-01-17	36456
Monthly Statistics
Discharge, cubic feet per second	1917-03	2017-01
Annual Statistics
Discharge, cubic feet per second	1917	2017
Peak streamflow	1903-05-31	2015-12-14	101
Field measurements	1914-09-18	2017-06-26	929
Field/Lab water-quality samples	1940-02-06	2008-06-23	266
Water-Year Summary	2006	2016	11
Additional Data Sources	Begin Date	End Date	Count
Instantaneous-Data Archive  **offsite**	1990-10-01	2007-09-30	341389

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