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USGS 05585500 ILLINOIS RIVER AT MEREDOSIA, IL

  Stream Site

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  2026-01-19  
 Daily Data
    Discharge, cubic feet per second  1938-10-01  1989-09-30  18628 
    Gage height, feet  1993-10-02  2026-01-18  11494 
 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...
OPERATION:
Record for this site is maintained by the USGS Illinois Water Science Center
Email questions about this site to Illinois Water Science Center Water-Data Inquiries