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DESCRIPTION:

Latitude 41°58'19",   Longitude 91°40'01"   NAD27

Linn County, Iowa, Hydrologic Unit 07080205

Drainage area: 6,510 square miles

Datum of gage: 700.08 feet above   NAVD88.

AVAILABLE DATA:

Data Type	Begin Date	End Date	Count
Current / Historical Observations     (availability statement)	1992-10-01	2025-09-20
Daily Data
Temperature, water, degrees Celsius -- sediment station	1944-01-01	1954-09-29	3860
Temperature, water, degrees Celsius	2012-04-19	2012-09-29	163
Discharge, cubic feet per second	1902-10-01	2025-09-19	44915
Suspended sediment concentration, milligrams per liter	1943-10-04	1954-09-29	4003
Suspended sediment discharge, short tons per day	1943-10-01	1954-09-29	4017
Nitrate plus nitrite, water, total, short tons per day as nitrogen	2009-04-14	2012-09-29	639
Nitrate plus nitrite, water, in situ, milligrams per liter as nitrogen	2009-04-14	2012-09-29	689
Daily Statistics
Temperature, water, degrees Celsius	2012-04-19	2012-09-29	163
Discharge, cubic feet per second	1902-10-01	2025-07-14	44848
Suspended sediment concentration, milligrams per liter	1943-10-04	1954-09-29	4003
Suspended sediment discharge, short tons per day	1943-10-01	1954-09-29	4017
Nitrate plus nitrite, water, total, short tons per day as nitrogen	2009-04-14	2012-09-29	639
Nitrate plus nitrite, water, in situ, milligrams per liter as nitrogen	2009-04-14	2012-09-29	689
Monthly Statistics
Temperature, water, degrees Celsius	2012-04	2012-09
Discharge, cubic feet per second	1902-10	2025-07
Suspended sediment concentration, milligrams per liter	1943-10	1954-09
Suspended sediment discharge, short tons per day	1943-10	1954-09
Nitrate plus nitrite, water, total, short tons per day as nitrogen	2009-04	2012-09
Nitrate plus nitrite, water, in situ, milligrams per liter as nitrogen	2009-04	2012-09
Annual Statistics
Temperature, water, degrees Celsius	2012	2012
Discharge, cubic feet per second	1903	2025
Suspended sediment concentration, milligrams per liter	1944	1954
Suspended sediment discharge, short tons per day	1944	1954
Nitrate plus nitrite, water, total, short tons per day as nitrogen	2009	2012
Nitrate plus nitrite, water, in situ, milligrams per liter as nitrogen	2009	2012
Peak streamflow	1851-06	2024-06-29	123
Field measurements	1902-10-26	2025-07-15	1091
Field/Lab water-quality samples (Legacy QW is frozen as of March 2024, newer data may be found on MLP)	1906-09-06	2011-06-14	626
Water-Year Summary	2006	2024	19
Revisions	Loading...

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