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The Army Corps of Engineers has barged roughly 38 million gallons of fresh water to treatment plants in Plaquemines already affected by the wedge, and is ready to do the same in Belle Chasse if needed, Roe said. 30, more than two weeks later than last week’s forecast estimate. Salt water is expected to reach Belle Chasse around Nov. The latest forecast means Orleans, Jefferson and St. “I have cautious optimism for the Metro New Orleans area from Dalcour all the way upriver,” said Matt Roe, a spokesperson for the Army Corps of Engineers.

The forecast has changed expectations for Dalcour, also in Plaquemines, which had been forecast to see higher salt levels starting in mid-November. Army Corps of Engineers said Thursday that salt levels should remain within a safe drinking range at all water treatment plants upriver of Belle Chasse. Officials have stressed that the forecast could change and the wedge could continue moving upriver if expected rainfall fails to arrive.īelle Chasse, in Plaquemines Parish, is now the northernmost location expected to see impacts from the saltwater wedge moving up the Mississippi River. It is now at river mile 68.3, about seven miles south of Belle Chasse. Water treatment plants in Pointe à la Hache and Port Sulphur have been receiving fresh water, brought in from upriver by barge, and mixing it with the water they draw from their intakes in order to dilute the salt content to safe drinking levels.Īfter receding five miles downriver in mid-October, the wedge has resumed moving slowly north for the second consecutive week. But the latest forecast now predicts that no communities upriver from the underwater sill will see unsafe levels of salt in their drinking water. The dense layer of salt water was previously forecast to reach Belle Chasse, also in Plaquemines Parish, by Nov. The community is downriver from an underwater sill that the Corps of Engineers built, and then raised, to slow the northward movement of the salt water. Pointe à la Hache in Plaquemines Parish, which has already been dealing with the saltwater for weeks, is now the northernmost community that officials expect will see impacts from the wedge, according to the latest forecast. Army Corps of Engineers reported this week that salt levels should remain within a range that is safe to drink when - and if - the wedge reaches the area’s water treatment plant. Belle Chasse is now among the growing ranks of locations in southeastern Louisiana that won’t likely be affected by the saltwater wedge moving up the Mississippi River.

New orleans no longer needs artist licence