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DESCRIPTION:

Latitude 41°25'01",   Longitude 88°20'52"   NAD83

Grundy County, Illinois, Hydrologic Unit 07120005

Drainage area: 172 square miles

Datum of gage: 514.37 feet above   NAVD88.

AVAILABLE DATA:

Data Type	Begin Date	End Date	Count
Current / Historical Observations     (availability statement)	2007-10-01	2025-12-22
Daily Data
Discharge, cubic feet per second	2007-03-16	2025-12-21	6724
Gage height, feet	2007-03-20	2025-12-21	6613
Daily Statistics
Discharge, cubic feet per second	2007-03-16	2025-11-19	6692
Gage height, feet	2007-03-20	2025-11-19	6581
Monthly Statistics
Discharge, cubic feet per second	2007-03	2025-11
Gage height, feet	2007-03	2025-11
Annual Statistics
Discharge, cubic feet per second	2007	2026
Gage height, feet	2007	2026
Peak streamflow	2007-08-24	2025-08-17	19
Field measurements	1956-04-30	2025-11-20	153
Field/Lab water-quality samples (Legacy QW is frozen as of March 2024, newer data may be found on MLP)	1979-06-13	2021-12-13	290
Water-Year Summary	2007	2024	18
Revisions	Loading...

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