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DESCRIPTION:

Latitude 42°00'44",   Longitude 87°47'45"   NAD83

Cook County, Illinois, Hydrologic Unit 07120003

Drainage area: 100 square miles

Datum of gage: 601.49 feet above   NAVD88.

AVAILABLE DATA:

Data Type	Begin Date	End Date	Count
Current / Historical Observations     (availability statement)	1950-10-01	2025-07-07
Daily Data
Discharge, cubic feet per second	1950-10-01	2025-07-06	27308
Gage height, feet	1991-10-01	2025-07-06	12073
Suspended sediment concentration, milligrams per liter	1984-10-11	1986-09-29	719
Suspended sediment discharge, short tons per day	1984-10-11	1986-09-29	385
Daily Statistics
Discharge, cubic feet per second	1950-10-01	2025-04-29	27240
Gage height, feet	1991-10-01	2025-04-29	12005
Suspended sediment concentration, milligrams per liter	1984-10-11	1986-09-29	719
Suspended sediment discharge, short tons per day	1984-10-11	1986-09-29	385
Monthly Statistics
Discharge, cubic feet per second	1950-10	2025-04
Gage height, feet	1991-10	2025-04
Suspended sediment concentration, milligrams per liter	1984-10	1986-09
Suspended sediment discharge, short tons per day	1984-10	1986-09
Annual Statistics
Discharge, cubic feet per second	1951	2025
Gage height, feet	1992	2025
Suspended sediment concentration, milligrams per liter	1985	1986
Suspended sediment discharge, short tons per day	1985	1986
Peak streamflow	1951-05-11	2024-07-17	74
Field measurements	1970-03-06	2025-06-26	450
Field/Lab water-quality samples	1974-10-03	1997-04-29	323
Water-Year Summary	2006	2024	19
Revisions	Loading...

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