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DESCRIPTION:

Latitude 42°05'14",   Longitude 87°53'14"   NAD83

Cook County, Illinois, Hydrologic Unit 07120004

Drainage area: 360 square miles

Datum of gage: 616.15 feet above   NAVD88.

AVAILABLE DATA:

Data Type	Begin Date	End Date	Count
Current / Historical Observations     (availability statement)	1986-09-14	2025-01-29
Daily Data
Discharge, cubic feet per second	1940-10-01	2025-01-27	30795
Gage height, feet	1993-10-01	2025-01-27	11187
Daily Statistics
Discharge, cubic feet per second	1940-10-01	2024-11-19	30731
Gage height, feet	1993-10-01	2024-11-19	11123
Monthly Statistics
Discharge, cubic feet per second	1940-10	2024-11
Gage height, feet	1993-10	2024-11
Annual Statistics
Discharge, cubic feet per second	1941	2025
Gage height, feet	1994	2025
Peak streamflow	1938-07-04	2024-07-16	85
Field measurements	1971-08-24	2024-11-20	424
Field/Lab water-quality samples	1974-10-03	1997-04-29	292
Water-Year Summary	2006	2024	19
Revisions	Loading...

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