Belle Chasse, La.– A major construction project in the Mississippi River gets started in Plaquemines Parish. At noon Tuesday, a section of the river will be shut down for 12 hours. It’s part of the fight to block saltwater from moving upriver and impacting the area’s drinking water.
The U.S. Army Corps of Engineers will begin the complex job of building a sill, or underwater levee, in the river North of Myrtle Grove. The Corps says it will start laying underwater piping Tuesday, and during the next 45 days of construction, it says a stretch of the river in that area will probably be limited to one-way traffic.
The goal of the sill is to stop, or slow saltwater from moving even farther upriver. The Corps built a sill in 1988 and again in 1999, and in both cases, the Corps says there were benefits.
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