Morganza Spillway

The Morganza Spillway or Morganza Control Structure is a flood-control structure in the U.S. state of Louisiana along the western bank of the Mississippi River at river mile 280, near Morganza in Pointe Coupee Parish. The spillway stands between the Mississippi and the Morganza Floodway, which leads to the Atchafalaya Basin and the Atchafalaya River in south-central Louisiana. Its purpose is to divert water from the Mississippi River during major flood events by flooding the Atchafalaya Basin, including the Atchafalaya River and the Atchafalaya Swamp. The spillway and adjacent levees also help prevent the Mississippi from changing its present course through the major port cities of Baton Rouge and New Orleans to a new course down the Atchafalaya River to the Gulf of Mexico. The Morganza Spillway, operated by the U.S. Army Corps of Engineers, was opened during the 1973 and 2011 Mississippi River floods.

Read more about Morganza SpillwayHistory, Design and Construction, Operation During Floods, Flood Events and The Morganza Spillway

Other articles related to "morganza spillway, spillway, spillways":

Flood Events and The Morganza Spillway - Second Opening of Gates (2011)
... scenarios, all of which assumed the Bonnet Carré Spillway would be concurrently operating at full capacity (100%) ... Scenario 1 Open the Morganza Spillway to half (50%) of its maximum capacity, which would divert 300,000 cubic feet per second (8,500 m3/s) of water ... Scenario 1a Open the Morganza Spillway to one-quarter (25%) of its maximum capacity, which would divert 150,000 cubic feet per second (4,200 m3/s) of water ...
Mississippi River - Physical Geography - Course Changes - Future Course Changes
... Failure of the Old River Control Structure, the Morganza Spillway, or nearby levees would likely re-route the main channel of the Mississippi through Louisiana's Atchafalaya Basin and down the ... involving the construction, maintenance, and operation of various levees, spillways, and other control structures by the U.S ... Because the Morganza Spillway is located at slightly higher elevation well back from the river, it is normally dry on both sides ...