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Lower Mississippi-Gulf Water Science Center -- Louisiana

Picture of USGS employee in a Louisiana swamp.
Mississippi River Flood of 2011

The Louisiana Water Science Center measures stage and discharge at selected stations on the Mississippi and Atchafalaya Rivers and in the Atchafalaya River Basin. Data for these sites are available here under "Mississippi-Atchafalaya River Basins". The stations are maintained and operated through funding from the U.S. Army Corp of Engineers, the Louisiana Department of Transportation and Development, and the Louisiana Department of Natural Resources.

UPDATE July 26, 2011

The sites listed below under "Temporary Atchafalaya Basin Sites" were discontinued and removed on July 18, 2011. USGS 304616091365800 Tail Bay at Morganza Floodway Temporary Gage was discontinued on June 30, 2011. The sites in the Lower Atchafalaya Basin that were removed prior to the flooding (last section, this page) have been reinstalled and are transmitting real-time data again. (Except for a few that are giving us some trouble . . . Stay tuned!)

Real-time Data for the Mississippi and Atchafalaya River Basins

Temporarily Removed Sites in the Atchafalaya Basin

Submerged site at Murphy Lake - May 24, 2011

The following list of stations in the Atchafalaya Basin are projected to be inundated after the Morganza Floodway opening and have been removed to protect equipment. Water-level sensors have been placed at each of these stations to ensure continuity of record during the event, but data from the sensors will not be available in real time.

  • USGS 073815963 Murphy Lake near Bayou Sorrel, LA
  • USGS 294736091164200 American Pass at Little Bayou Sorrel
  • USGS 295011091184300 Little Bayou Long North of Duck Lake
  • USGS 295447091191500 Middle Fork Bayou Long at Bayou Long
  • USGS 300507091355600 Bayou Darby near Lake Fausse Point Cut
  • USGS 300713091362400 Beau Bayou N. of Bayou Darby near Loreauville, LA
  • USGS 301655091440800 Pontoon Bridge Canal near Butte Larose, LA
  • USGS 302320091465900 Bayou Fusilier of the Swamps near Henderson, LA

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