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DESCRIPTION:

Latitude 41°57'53.7",   Longitude 95°59'30.3"   NAD83

Monona County, Iowa, Hydrologic Unit 10230004

Drainage area: 900 square miles

Datum of gage: 1,015.48 feet above   NAVD88.

AVAILABLE DATA:

Data Type	Begin Date	End Date	Count
Current / Historical Observations     (availability statement)	1990-10-02	2023-09-29
Daily Data
Discharge, cubic feet per second	1942-05-07	2023-09-28	29728
Suspended sediment discharge, short tons per day	1939-04-11	1969-06-30	7682
Daily Statistics
Discharge, cubic feet per second	1942-05-07	2023-08-23	29692
Suspended sediment discharge, short tons per day	1939-04-11	1969-06-30	7682
Monthly Statistics
Discharge, cubic feet per second	1942-05	2023-08
Suspended sediment discharge, short tons per day	1939-04	1969-06
Annual Statistics
Discharge, cubic feet per second	1942	2023
Suspended sediment discharge, short tons per day	1939	1969
Peak streamflow	1940-06-04	2021-10-29	83
Field measurements	1942-09-04	2023-08-24	938
Field/Lab water-quality samples	1945-02-26	2002-11-12	855
Water-Year Summary	2006	2022	17
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