Mid-Barataria Sediment Diversion

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Mid-Barataria Sediment Diversion

New Orleans, LA

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The Problem

Louisiana has lost 1.2 million acres of land since the 1930s, exposing communities to increased risk of flooding and threatening wildlife habitat and industries. The state is losing a football field of land every 100 minutes, and without action, Louisiana is projected to lose an additional 2,250 square miles – the equivalent of 33 Washington, D.C.s – over the next 50 years. Coastal Louisiana suffers from some of the highest rates of sea level rise and land loss in the nation, further exacerbated by storm and hurricane events. One quarter of the country’s waterborne commerce moves through Louisiana ports. Wetlands loss risks coastal fisheries and a third of the nation’s domestic oil production.

Suggested Solutions

Walton Family Foundation
Posted suggestion on Jun 10th, 2018
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The Mid-Barataria Sediment Diversion will mimic natural conditions by directing sediment, fresh water and nutrients from the Mississippi River into adjacent degrading wetlands in Barataria Basin to build and sustain tens of thousands of acres. These new and sustained wetlands will provide vital habitat for a wide variety of wildlife species and a bu␝er from storm surge for communities and industry. Since diversions reestablish natural deltaic processes and continuously build land over time, they provide long-term benefits that constructed marsh creation projects alone do not. Sediment diversions provide a regular supply of sediment and fresh water to wetlands, sustaining traditional marsh creation projects while also building new land.



Official Replies


Michael Clancy, New Orleans District Commander
Replied on October 6, 2015

The unprecedented size and scope of the proposed Mid-Barataria Sediment Diversion project requires an extensive environmental review process to ensure the final permit decision is the right decision.

Johnny Bradbury, Governor’s Executive Assistant for Coastal Activities
Replied on October 7, 2015

Today's announcement reflects the continued collaboration between our state and the federal government and the commitment from all parties to implement this transformational project as safely and quickly as possible.  I am pleased that our recent efforts to implement the new MOU has resulted in a new permitting timetable, and I anticipate further reductions in the schedule as we continue to coordinate and find efficiencies in this process.  The Mid-Barataria Sediment Diversion is critical to our future as it addresses the root cause of our coastal crisis by reconnecting the Mississippi River with our basins and restoring the natural process that built our delta.

Bill Cassidy, Senator from Louisiana
Replied on October 8, 2015

This is a step towards restoring and protecting Louisiana's coastline.  I appreciate the administration paving the way for these improvements.

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