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USGS 05587498 Mississippi River Pool Lock and Dam 26 at Alton,IL

  Stream Site

DESCRIPTION:
Latitude 38°53'14.3",   Longitude 90°11'02.4"   NAD83
Madison County, Illinois, Hydrologic Unit 07110009
Datum of gage: 399.66 feet above   NAVD88.
AVAILABLE DATA:
Data Type Begin Date End Date Count
 Daily Data
    Gage height, feet  1986-10-01  2016-12-11  10577 
 Field measurements 2023-03-08  2025-08-19  25 
 Field/Lab water-quality samples (Legacy QW is frozen as of March 2024, newer data may be found on MLP) 2023-07-26  2024-03-05  7 
 Water-Year Summary 2014  2017  4 
 Revisions  Loading...
OPERATION:
Record for this site is maintained by the USGS Missouri Water Science Center
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