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DESCRIPTION:

Latitude 40°49'23",   Longitude 87°34'54"   NAD83

Iroquois County, Illinois, Hydrologic Unit 07120002

Drainage area: 686 square miles

Datum of gage: 614.13 feet above   NAVD88.

AVAILABLE DATA:

Data Type	Begin Date	End Date	Count
Current / Historical Observations     (availability statement)	1989-05-12	2025-03-24
Daily Data
Discharge, cubic feet per second	1944-10-01	2025-03-23	29394
Gage height, feet	1989-05-06	2025-03-23	12832
Suspended sediment concentration, milligrams per liter	1978-10-01	1995-12-31	1825
Suspended sediment discharge, short tons per day	1978-10-01	1995-12-31	1825
Daily Statistics
Discharge, cubic feet per second	1944-10-01	2024-12-08	29289
Gage height, feet	1989-05-06	2024-12-08	12727
Suspended sediment concentration, milligrams per liter	1978-10-01	1995-12-31	1825
Suspended sediment discharge, short tons per day	1978-10-01	1995-12-31	1825
Monthly Statistics
Discharge, cubic feet per second	1944-10	2024-12
Gage height, feet	1989-05	2024-12
Suspended sediment concentration, milligrams per liter	1978-10	1995-12
Suspended sediment discharge, short tons per day	1978-10	1995-12
Annual Statistics
Discharge, cubic feet per second	1945	2025
Gage height, feet	1989	2025
Suspended sediment concentration, milligrams per liter	1979	1996
Suspended sediment discharge, short tons per day	1979	1996
Peak streamflow	1945-05-20	2024-01-29	80
Field measurements	1950-04-05	2025-01-24	449
Field/Lab water-quality samples	1965-12-07	2021-12-13	578
Water-Year Summary	2006	2024	19
Revisions	Loading...

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