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USGS 05525000 IROQUOIS RIVER AT IROQUOIS, IL

  Stream Site

DESCRIPTION:
Latitude 40°49'23",   Longitude 87°34'54"   NAD83
Iroquois County, Illinois, Hydrologic Unit 07120002
Drainage area: 686 square miles
Datum of gage: 614.13 feet above   NAVD88.
AVAILABLE DATA:
Data Type Begin Date End Date Count
 Daily Data
    Discharge, cubic feet per second  1944-10-01  2025-10-21  29599 
    Gage height, feet  1989-05-06  2025-10-21  13037 
    Suspended sediment concentration, milligrams per liter  1978-10-01  1995-12-31  1825 
    Suspended sediment discharge, short tons per day  1978-10-01  1995-12-31  1825 
 Daily Statistics 
    Discharge, cubic feet per second  1944-10-01  2025-05-28 29460 
    Gage height, feet  1989-05-06  2025-05-28 12898 
    Suspended sediment concentration, milligrams per liter  1978-10-01  1995-12-31 1825 
    Suspended sediment discharge, short tons per day  1978-10-01  1995-12-31 1825 
 Monthly Statistics 
    Discharge, cubic feet per second  1944-10  2025-05  
    Gage height, feet  1989-05  2025-05  
    Suspended sediment concentration, milligrams per liter  1978-10  1995-12  
    Suspended sediment discharge, short tons per day  1978-10  1995-12  
 Annual Statistics 
    Discharge, cubic feet per second  1945  2025  
    Gage height, feet  1989  2025  
    Suspended sediment concentration, milligrams per liter  1979  1996  
    Suspended sediment discharge, short tons per day  1979  1996  
 Peak streamflow 1945-05-20  2024-01-29  80 
 Field measurements 1950-04-05  2025-09-18  454 
 Field/Lab water-quality samples (Legacy QW is frozen as of March 2024, newer data may be found on MLP) 1965-12-07  2021-12-13  578 
 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