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DESCRIPTION:

Latitude 42°26'37.43",   Longitude 88°14'50.73"   NAD83

Mchenry County, Illinois, Hydrologic Unit 07120006

Drainage area: 192 square miles

Datum of gage: 745.94 feet above   NAVD88.

AVAILABLE DATA:

Data Type	Begin Date	End Date	Count
Current / Historical Observations     (availability statement)	1985-10-01	2026-01-04
Daily Data
Precipitation, total, inches	1991-03-13	2026-01-03	11726
Discharge, cubic feet per second	1966-08-19	2026-01-03	21683
Gage height, feet	1987-10-01	2026-01-03	13465
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	1966-08-19	2025-11-18	21639
Gage height, feet	1987-10-01	2025-11-18	13421
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	1966-08	2025-11
Gage height, feet	1987-10	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	1966	2026
Gage height, feet	1988	2026
Suspended sediment concentration, milligrams per liter	1998	1999
Suspended sediment discharge, short tons per day	1998	1999
Peak streamflow	1960-04	2025-04-03	61
Field measurements	1970-04-01	2025-11-19	450
Field/Lab water-quality samples (Legacy QW is frozen as of March 2024, newer data may be found on MLP)	1909-02-01	2020-07-14	410
Water-Year Summary	2006	2025	20
Revisions	Loading...

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