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DESCRIPTION:

Latitude 41°34'05.4",   Longitude 87°36'30"   NAD83

Cook County, Illinois, Hydrologic Unit 07120003

Drainage area: 104 square miles

Datum of gage: 586.05 feet above   NAVD88.

AVAILABLE DATA:

Data Type	Begin Date	End Date	Count
Current / Historical Observations     (availability statement)	1986-09-01	2025-06-18
Daily Data
Discharge, cubic feet per second	1948-05-17	2025-06-17	28156
Gage height, feet	1989-05-01	2025-06-17	11492
Daily Statistics
Discharge, cubic feet per second	1948-05-17	2025-05-20	28128
Gage height, feet	1989-05-01	2025-05-20	11464
Monthly Statistics
Discharge, cubic feet per second	1948-05	2025-05
Gage height, feet	1989-05	2025-05
Annual Statistics
Discharge, cubic feet per second	1948	2025
Gage height, feet	1989	2025
Peak streamflow	1947-04-05	2024-04-01	78
Field measurements	1954-10-11	2025-05-21	466
Field/Lab water-quality samples	1974-10-09	2021-12-16	304
Water-Year Summary	2006	2024	19
Revisions	Loading...

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