Warning: Javascript must be enabled to use all the features on this page!


Page Loading - Please Wait...

Click to hideNews Bulletins
! This page will be decommissioned in early 2026. Please find the modernized pages in WDFN that suit you best. Learn more about our modernization plans and timeline.

USGS 07020500 Mississippi River at Chester, IL

  Stream Site

DESCRIPTION:
Latitude 37°54'02.7",   Longitude 89°49'48.8"   NAD83
Randolph County, Illinois, Hydrologic Unit 07140105
Drainage area: 708,600 square miles
Datum of gage: 340.73 feet above   NAVD88.
AVAILABLE DATA:
Data Type Begin Date End Date Count
 Current / Historical Observations     (availability statement)    1989-10-01  2026-01-21  
 Daily Data
    Discharge, cubic feet per second  1942-07-01  2026-01-20  30520 
    Gage height, feet  1982-10-01  2026-01-20  15614 
    Suspended sediment concentration, milligrams per liter  1982-10-01  2022-09-30  9197 
    Suspended sediment discharge, short tons per day  1982-10-01  2022-09-30  14459 
 Daily Statistics 
    Discharge, cubic feet per second  1942-07-01  2025-09-10 30388 
    Suspended sediment concentration, milligrams per liter  1982-10-01  2022-09-29 9196 
    Suspended sediment discharge, short tons per day  1982-10-01  2022-09-29 14458 
 Monthly Statistics 
    Discharge, cubic feet per second  1942-07  2025-09  
    Suspended sediment concentration, milligrams per liter  1982-10  2022-09  
    Suspended sediment discharge, short tons per day  1982-10  2022-09  
 Annual Statistics 
    Discharge, cubic feet per second  1942  2025  
    Suspended sediment concentration, milligrams per liter  1983  2022  
    Suspended sediment discharge, short tons per day  1983  2022  
 Peak streamflow 1844-06-30  2024-07-11  100 
 Field measurements 1942-07-01  2026-01-12  2817 
 Field/Lab water-quality samples (Legacy QW is frozen as of March 2024, newer data may be found on MLP) 1970-10-14  2022-08-10  1044 
 Water-Year Summary 2006  2024  19 
 Revisions  Loading...
OPERATION:
Record for this site is maintained by the USGS Missouri Water Science Center
Email questions about this site to Missouri Water Science Center Water-Data Inquiries