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USGS 05586100 ILLINOIS RIVER AT VALLEY CITY, IL

  Stream Site

DESCRIPTION:
Latitude 39°42'11.5",   Longitude 90°38'35.1"   NAD83
Scott County, Illinois, Hydrologic Unit 07130011
Drainage area: 26,743 square miles
Datum of gage: 417.68 feet above   NAVD88.
AVAILABLE DATA:
Data Type Begin Date End Date Count
 Current / Historical Observations     (availability statement)    1989-11-08  2025-11-01  
 Daily Data
    Discharge, cubic feet per second  1938-10-01  2025-10-31  31808 
    Gage height, feet  1993-10-01  2025-10-31  11469 
    Suspended sediment concentration, milligrams per liter  1980-02-13  2011-09-29  11551 
    Suspended sediment discharge, short tons per day  1980-02-13  2011-09-29  11551 
 Daily Statistics 
    Discharge, cubic feet per second  1938-10-01  2024-10-30 31442 
    Gage height, feet  1993-10-01  2024-10-30 11103 
    Suspended sediment concentration, milligrams per liter  1980-02-13  2011-09-29 11551 
    Suspended sediment discharge, short tons per day  1980-02-13  2011-09-29 11551 
 Monthly Statistics 
    Discharge, cubic feet per second  1938-10  2024-10  
    Gage height, feet  1993-10  2024-10  
    Suspended sediment concentration, milligrams per liter  1980-02  2011-09  
    Suspended sediment discharge, short tons per day  1980-02  2011-09  
 Annual Statistics 
    Discharge, cubic feet per second  1939  2025  
    Gage height, feet  1994  2025  
    Suspended sediment concentration, milligrams per liter  1980  2011  
    Suspended sediment discharge, short tons per day  1980  2011  
 Peak streamflow 1921-05-05  2024-02-05  102 
 Field measurements 1981-03-25  2025-09-23  265 
 Field/Lab water-quality samples (Legacy QW is frozen as of March 2024, newer data may be found on MLP) 1974-12-12  2018-04-24  2028 
 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