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Peak Streamflow for the Nation

USGS 05558300 ILLINOIS RIVER AT HENRY, IL

Marshall County, Illinois
Hydrologic Unit Code 07130001
Latitude  41°06'26.2", Longitude  89°21'22.4" NAD83
Drainage area 13,544  square miles
Gage datum 425.85 feet above NAVD88

Period of record
Begin Date End Date Peaks
1982-03-22 2023-03-01 42

 
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