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DESCRIPTION:

Latitude 41°36'43",   Longitude 93°37'11"   NAD83

Polk County, Iowa, Hydrologic Unit 07100004

Drainage area: 6,245 square miles

Datum of gage: 773.26 feet above   NAVD88.

AVAILABLE DATA:

Data Type	Begin Date	End Date	Count
Current / Historical Observations     (availability statement)	1996-10-01	2026-01-03
Daily Data
Temperature, water, degrees Celsius -- sediment station	1954-11-03	1961-09-29	2386
Temperature, water, degrees Celsius	2013-09-19	2026-01-03	4030
Discharge, cubic feet per second	1915-03-01	2026-01-02	27694
Suspended sediment concentration, milligrams per liter -- sediment station	1954-11-03	1961-09-29	2420
Suspended sediment discharge, short tons per day -- sediment station	1954-11-01	1961-09-29	2525
Nitrate plus nitrite, water, total, short tons per day as nitrogen	2013-09-24	2026-01-03	2310
Nitrate plus nitrite, water, in situ, milligrams per liter as nitrogen	2013-09-19	2026-01-03	4095
Daily Statistics
Temperature, water, degrees Celsius	2013-09-19	2022-02-07	2934
Discharge, cubic feet per second	1915-03-01	2025-11-23	27654
Suspended sediment concentration, milligrams per liter -- sediment station	1954-11-03	1961-09-29	2420
Suspended sediment discharge, short tons per day -- sediment station	1954-11-01	1961-09-29	2525
Nitrate plus nitrite, water, total, short tons per day as nitrogen	2013-09-24	2017-12-30	1340
Nitrate plus nitrite, water, in situ, milligrams per liter as nitrogen	2013-09-19	2025-11-16	4051
Monthly Statistics
Temperature, water, degrees Celsius	2013-09	2022-02
Discharge, cubic feet per second	1915-03	2025-11
Suspended sediment concentration, milligrams per liter -- sediment station	1954-11	1961-09
Suspended sediment discharge, short tons per day -- sediment station	1954-11	1961-09
Nitrate plus nitrite, water, total, short tons per day as nitrogen	2013-09	2017-12
Nitrate plus nitrite, water, in situ, milligrams per liter as nitrogen	2013-09	2025-11
Annual Statistics
Temperature, water, degrees Celsius	2013	2022
Discharge, cubic feet per second	1915	2026
Suspended sediment concentration, milligrams per liter -- sediment station	1955	1961
Suspended sediment discharge, short tons per day -- sediment station	1955	1961
Nitrate plus nitrite, water, total, short tons per day as nitrogen	2013	2018
Nitrate plus nitrite, water, in situ, milligrams per liter as nitrogen	2013	2026
Peak streamflow	1902-07-10	2025-08-01	79
Field measurements	1902-10-20	2025-12-22	698
Field/Lab water-quality samples (Legacy QW is frozen as of March 2024, newer data may be found on MLP)	1944-06-17	2019-09-16	73
Water-Year Summary	2006	2025	20
Revisions	Loading...

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