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DESCRIPTION:

Latitude 41°58'27",   Longitude 87°42'21"   NAD83

Cook County, Illinois, Hydrologic Unit 07120003

Drainage area: 113 square miles

Datum of gage: 580.67 feet above   NGVD29.

AVAILABLE DATA:

Data Type	Begin Date	End Date	Count
Current / Historical Observations     (availability statement)	1990-01-11	2018-04-19
Daily Data
Discharge, cubic feet per second	1989-10-01	2018-04-18	9796
Gage height, feet	1993-10-01	2018-04-18	8269
Daily Statistics
Discharge, cubic feet per second	1989-10-01	2018-04-18	9796
Gage height, feet	1993-10-01	2018-04-18	8269
Monthly Statistics
Discharge, cubic feet per second	1989-10	2018-04
Gage height, feet	1993-10	2018-04
Annual Statistics
Discharge, cubic feet per second	1990	2018
Gage height, feet	1994	2018
Peak streamflow	1990-05-10	2017-05-01	27
Field measurements	1989-10-16	2018-03-28	183
Field/Lab water-quality samples (Legacy QW is frozen as of March 2024, newer data may be found on MLP)	2023-03-30	2023-07-12	2
Water-Year Summary	2006	2018	13
Revisions	Loading...

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