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


Page Loading - Please Wait...

* We've detected you're using a mobile device. Find our Next Generation Station Page here.
Click to hideNews Bulletins
  • Notice of planned maintenance to underlying USGS network September 24-26, 2021: During this maintenance period users may experience intermittent periods of inaccessibility or delayed delivery of hydrologic data to the USGS National Water Information System (NWIS). Please email gs-w_support_nwisweb@usgs.gov with any concerns regarding impacts to data delivery.
  • Explore the NEW USGS National Water Dashboard interactive map to access real-time water data from over 13,500 stations nationwide.
  • Full News RSS icon

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  2021-09-24  
 Daily Data
    Discharge, cubic feet per second  1933-04-01  2021-09-23  31609 
    Gage height, feet  1986-11-14  2021-09-24  12598 
 Daily Statistics 
    Discharge, cubic feet per second  1933-04-01  2021-04-05 31448 
 Monthly Statistics 
    Discharge, cubic feet per second  1933-04  2021-04  
 Annual Statistics 
    Discharge, cubic feet per second  1933  2021  
 Peak streamflow 1844-06  2020-03-30  35 
 Field measurements 1988-02-19  2021-09-08  409 
 Field/Lab water-quality samples 1991-07-18  2011-06-08  4 
 Water-Year Summary 2006  2020  15 
 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