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The West Shore Lake Pontchartrain project is located in southeast Louisiana on the east-bank of the Mississippi River in St. Charles, St. John the Baptist, and St. James parishes in southeast Louisiana. The West Shore Lake Pontchartrain Chief’s report was signed in June 2015 and the project was fully funded for design and construction in the Bipartisan Budget Act of 2018. 100-year storm surge risk reduction will be achieved by a variety of structural and non-structural features including construction of over 18 miles of levees and floodwalls and two new 2,000 cfs pump stations. While these features will reduce risk from storm surge associated with tropical events, they do not specifically reduce risk of flooding from significant rainfall.
The Mississippi River’s volume of water has fallen to a level that allows salt water to intrude upstream. The intrusion of salt water into the river is a naturally occurring periodic condition because the bottom of the riverbed between Natchez, MS, and the Gulf of Mexico is below sea level.


 

 

 

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Corps begins constructing underwater sill to halt saltwater intrusion in Mississippi River
10/12/2022
Project designed to prevent further upriver progression of salt water from the Gulf of Mexico. The U.S. Army Corps of Engineers, New Orleans District began construction of an underwater sill Oct. 11,...
Corps to construct underwater sill to halt saltwater intrusion on Mississippi River
9/28/2022 UPDATED
The U.S. Army Corps of Engineers, New Orleans District will construct an underwater sill across the bed of the Mississippi River channel to prevent further upriver progression of salt water from the...
Comments sought for the Mid-Barataria Sediment Diversion Environmental Impact Statement
9/23/2022
The Coastal Protection and Restoration Authority of Louisiana (CPRA) has applied to the U.S. Army Corps of Engineers for permits and permission to construct, maintain and operate the Mid-Barataria...

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