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DESCRIPTION:

Latitude 42°18'33",   Longitude 88°15'05"   NAD27

Mchenry County, Illinois, Hydrologic Unit 07120006

Drainage area: 1,250 square miles

Datum of gage: 729.98 feet above   NAVD88.

AVAILABLE DATA:

Data Type	Begin Date	End Date	Count
Current / Historical Observations     (availability statement)	2007-10-01	2024-11-21
Daily Data
Gage height, feet	2002-09-30	2024-11-20	7903
Daily Statistics
Gage height, feet	2002-09-30	2024-07-24	7784
Monthly Statistics
Gage height, feet	2002-09	2024-07
Annual Statistics
Gage height, feet	2002	2024
Field/Lab water-quality samples	2019-04-01	2023-11-14	40
Water-Year Summary	2006	2023	18
Revisions	Loading...

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