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DESCRIPTION:

Latitude 41°47'45",   Longitude 87°48'49"   NAD83

Cook County, Illinois, Hydrologic Unit 07120004

Datum of gage: 579.18 feet above   NAVD88.

AVAILABLE DATA:

Data Type	Begin Date	End Date	Count
Current / Historical Observations     (availability statement)	2023-01-24	2026-01-25
Daily Data
Gage height, feet	2023-01-26	2026-01-23	810
Water velocity reading from field sensor, feet per second -- SW	2023-01-26	2026-01-23	1081
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