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DESCRIPTION:

Latitude 39°49'52.2",   Longitude 90°33'35.4"   NAD83

Morgan County, Illinois, Hydrologic Unit 07130011

Drainage area: 26,029 square miles

Datum of gage: 417.68 feet above   NAVD88.

AVAILABLE DATA:

Data Type	Begin Date	End Date	Count
Current / Historical Observations     (availability statement)	1987-10-01	2025-12-17
Daily Data
Discharge, cubic feet per second	1938-10-01	1989-09-30	18628
Gage height, feet	1993-10-02	2025-12-16	11461
Daily Statistics
Discharge, cubic feet per second	1938-10-01	1989-09-30	18628
Gage height, feet	1993-10-02	2024-10-30	11065
Monthly Statistics
Discharge, cubic feet per second	1938-10	1989-09
Gage height, feet	1993-10	2024-10
Annual Statistics
Discharge, cubic feet per second	1939	1989
Gage height, feet	1994	2025
Peak streamflow	1921-05-05	2022-04-14	74
Field measurements	1964-10-07	1989-09-21	194
Field/Lab water-quality samples (Legacy QW is frozen as of March 2024, newer data may be found on MLP)	1974-09-30	1985-03-11	52
Water-Year Summary	2006	2024	19
Revisions	Loading...

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