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USGS 05587500 Mississippi River at Alton, IL

  Stream Site

DESCRIPTION:
Latitude 38°53'06",   Longitude 90°10'51"   NAD27
Madison County, Illinois, Hydrologic Unit 07110009
Drainage area: 171,500 square miles
Datum of gage: 403 feet above   NAVD88.
AVAILABLE DATA:
Data Type Begin Date End Date Count
 Daily Data
    Discharge, cubic feet per second  1933-04-01  1987-09-30  19299 
    Suspended sediment concentration, milligrams per liter  1982-10-01  1989-09-29  1686 
    Suspended sediment discharge, short tons per day  1982-10-01  1989-09-29  1691 
 Daily Statistics 
    Discharge, cubic feet per second  1933-04-01  1987-09-30 19299 
    Suspended sediment concentration, milligrams per liter  1982-10-01  1989-09-29 1686 
    Suspended sediment discharge, short tons per day  1982-10-01  1989-09-29 1691 
 Monthly Statistics 
    Discharge, cubic feet per second  1933-04  1987-09  
    Suspended sediment concentration, milligrams per liter  1982-10  1989-09  
    Suspended sediment discharge, short tons per day  1982-10  1989-09  
 Annual Statistics 
    Discharge, cubic feet per second  1933  1987  
    Suspended sediment concentration, milligrams per liter  1983  1989  
    Suspended sediment discharge, short tons per day  1983  1989  
 Peak streamflow 1856-06  1986-10-10  61 
 Field measurements 1985-10-07  2008-06-26  4 
 Field/Lab water-quality samples (Legacy QW is frozen as of March 2024, newer data may be found on MLP) 1967-09-18  1988-08-18  87 
 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