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DESCRIPTION:

Latitude 41°32'23.5",   Longitude 87°38'58"   NAD83

Cook County, Illinois, Hydrologic Unit 07120003

Drainage area: 23.5 square miles

Datum of gage: 616.45 feet above   NAVD88.

AVAILABLE DATA:

Data Type	Begin Date	End Date	Count
Current / Historical Observations     (availability statement)	1986-09-01	2025-02-01
Daily Data
Discharge, cubic feet per second	1948-05-17	2025-01-30	28018
Gage height, feet	1993-10-01	2025-01-30	11352
Daily Statistics
Discharge, cubic feet per second	1948-05-17	2024-10-22	27918
Gage height, feet	1993-10-01	2024-10-22	11252
Monthly Statistics
Discharge, cubic feet per second	1948-05	2024-10
Gage height, feet	1993-10	2024-10
Annual Statistics
Discharge, cubic feet per second	1948	2025
Gage height, feet	1994	2025
Peak streamflow	1948-03-19	2024-04-01	77
Field measurements	1948-05-11	2024-12-17	454
Field/Lab water-quality samples	1974-10-10	1983-08-31	78
Water-Year Summary	2006	2024	19
Revisions	Loading...

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