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The Illinois Water Science Center has transitioned to a new data management software package. While you may not have noticed this transition, some sites may have problems or delays in being updated. We are actively monitoring these conditions and are resolving them as quickly as possible. See the Dec 8 news entry for more information at: https://help.waterdata.usgs.gov/news


Boating safety tips are available from the U.S. Coast Guard.

NOTE: During cold periods, gage height and streamflow information may be adversely affected by ice.


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

PROVISIONAL DATA SUBJECT TO REVISION

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Logo for USACE Station operated in cooperation with the  U.S. Army Corps of Engineers—St. Louis District



This station managed by the Rolla Field Office.

Available Parameters Available Period
All 1 Available Parameters for this site
  
00065 Gage height 2007-10-01  2017-06-25

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Gage height, feet

Most recent instantaneous value: 15.27 06-25-2017   03:30 CDT
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