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  • March 16, 2018 - There has been a recent change to the "Subscribe for system changes" function and it is unavailable.

    Please send an email to gs-w_support_nwisweb@usgs.gov if you would like us to add you manually until we have addressed the problem.

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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 07010000 Mississippi River at St. Louis, MO


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

Note: The USGS began operating this streamgage in March 1933. Although USGS serves data prior to 1933 as a courtesy to the water community, methods used to measure discharge and compute daily discharge values before USGS operation are not fully known and may be inconsistent with established USGS methods. Daily discharge values for dates before March 1933 should be used recognizing this added uncertainty.

Logo for NOAA, National Weather Service National Weather Service River Forecast

Logo for Rating Current stage-discharge rating

  To determine water level in feet above sea level:
add current gage reading + 379.94 (5th General Adjustment - Sea Level Datum - 1929)
add current gage reading + 379.53 (NGVD 29 Datum - 1973)
add current gage reading + 379.58 (NAVD 88 Datum - 1991)

This station managed by the Rolla Field Office.

Available Parameters Available Period
All 2 Available Parameters for this site
00060 Discharge 1988-02-22  2018-03-17
00065 Gage height 2007-10-01  2018-03-17

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Summary of all available data for this site
Instantaneous-data availability statement