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DESCRIPTION:

Latitude 42°22'34.77",   Longitude 88°14'12.26"   NAD83

Mchenry County, Illinois, Hydrologic Unit 07120006

Drainage area: 1,205 square miles

Datum of gage: 732.77 feet above   NAVD88.

AVAILABLE DATA:

Data Type	Begin Date	End Date	Count
Current / Historical Observations     (availability statement)	1997-12-24	2025-12-13
Daily Data
Discharge, cubic feet per second	1997-12-01	1999-08-16	624
Gage height, feet	1987-01-01	2025-12-12	13583
Suspended sediment concentration, milligrams per liter	1997-12-01	1999-05-31	547
Suspended sediment discharge, short tons per day	1997-12-01	1999-05-31	547
Daily Statistics
Discharge, cubic feet per second	1997-12-01	1999-08-16	624
Gage height, feet	1987-01-01	2025-11-13	13554
Suspended sediment concentration, milligrams per liter	1997-12-01	1999-05-31	547
Suspended sediment discharge, short tons per day	1997-12-01	1999-05-31	547
Monthly Statistics
Discharge, cubic feet per second	1997-12	1999-08
Gage height, feet	1987-01	2025-11
Suspended sediment concentration, milligrams per liter	1997-12	1999-05
Suspended sediment discharge, short tons per day	1997-12	1999-05
Annual Statistics
Discharge, cubic feet per second	1998	1999
Gage height, feet	1987	2026
Suspended sediment concentration, milligrams per liter	1998	1999
Suspended sediment discharge, short tons per day	1998	1999
Field measurements	1990-10-19	2023-02-28	37
Field/Lab water-quality samples (Legacy QW is frozen as of March 2024, newer data may be found on MLP)	1997-12-23	1999-05-18	12
Water-Year Summary	2006	2025	20
Revisions	Loading...

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