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DESCRIPTION:

Latitude 37°20'06",   Longitude 88°55'31"   NAD83

Johnson County, Illinois, Hydrologic Unit 05140206

Drainage area: 244 square miles

Datum of gage: 307.74 feet above   NAVD88.

AVAILABLE DATA:

Data Type	Begin Date	End Date	Count
Current / Historical Observations     (availability statement)	1989-10-01	2025-12-31
Daily Data
Discharge, cubic feet per second	1922-10-26	2025-12-30	37609
Gage height, feet	1985-10-01	2025-12-30	11904
Daily Statistics
Discharge, cubic feet per second	1922-10-26	2025-11-18	37567
Gage height, feet	1985-10-01	2025-11-18	11862
Monthly Statistics
Discharge, cubic feet per second	1922-10	2025-11
Gage height, feet	1985-10	2025-11
Annual Statistics
Discharge, cubic feet per second	1923	2026
Gage height, feet	1986	2026
Peak streamflow	1923-02-03	2025-04-06	103
Field measurements	1933-04-01	2025-11-19	807
Field/Lab water-quality samples (Legacy QW is frozen as of March 2024, newer data may be found on MLP)	1974-10-03	1997-04-10	260
Water-Year Summary	2006	2025	20
Revisions	Loading...

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