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  • UPDATE, 11/9: As of November 8, the USGS has successfully restored all of the operational gages that stopped transmitting due to an issue with the satellite telemetry system that records and transmits data. The USGS will now focus on restoring other equipment that experienced the telemetry issues, including about 85 rapid deployment gages that are used periodically for emergency response. Read more
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USGS 05587450 Mississippi River at Grafton, IL

  Stream Site

DESCRIPTION:
Latitude 38°58'04.7",   Longitude 90°25'44.4"   NAD83
Jersey County, Illinois, Hydrologic Unit 07110009
Drainage area: 171,300 square miles
Datum of gage: 403.79 feet above   NGVD29.
AVAILABLE DATA:
Data Type Begin Date End Date Count
 Current / Historical Observations     (availability statement)    2007-10-01  2018-11-15  
 Daily Data
    Discharge, cubic feet per second  1933-04-01  2018-11-14  30575 
    Gage height, feet  1986-11-14  2018-11-14  11551 
 Daily Statistics 
    Discharge, cubic feet per second  1933-04-01  2018-10-01 30531 
 Monthly Statistics 
    Discharge, cubic feet per second  1933-04  2018-10  
 Annual Statistics 
    Discharge, cubic feet per second  1933  2019  
 Peak streamflow 1844-06  2017-05-09  32 
 Field measurements 1988-02-19  2018-10-02  368 
 Field/Lab water-quality samples 1991-07-18  2011-06-08  4 
 Water-Year Summary 2006  2018  13 
 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