Salt water inching up the Mississippi River is progressing more slowly than once projected — buying time for water systems in metropolitan New Orleans that draw drinking water from the river
Crews lay out miles of flexible pipeline to help supply fresh water to Jefferson Parish as salt water slowly moves up the Mississippi River on Wednesday, Oct. 4, 2023, in Marrero, La. A mass inflow of salt water from the Gulf of Mexico creeping up the drought-stricken Mississippi River is threatening drinking water supplies in Louisiana.
Salt water that overtops the underwater sill is still lower in salinity than the water behind the sill toward the Gulf, Jones said. Officials said multiple efforts to provide safe water to the downriver systems continue, including barging large amounts of fresh water to the intakes and installing better filtration systems. For the heavily populated parts of New Orleans and neighboring Jefferson Parish, where barging water is not practical, plans continue for pipelines to shunt fresh water from farther upriver.
State health officer Dr. Joseph Kanter used a familiar Gulf Coast analogy, likening the changed projection to a tropical storm altering its course in the Gulf.
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Reprieve for New Orleans as salt water creeping up the Mississippi River slows its march inlandSalt water inching up the Mississippi River is progressing more slowly than once projected — buying time for water systems in metropolitan New Orleans that draw drinking water from the river. Officials said at a news conference in New Orleans on Thursday that an underwater sill downriver has helped impede the flow of heavy salt water crawling upriver. River flow forecasts are also better than expected. It means intakes in New Orleans and neighboring Jefferson Parish won't see the arrival until late November, instead of later this month. For smaller communities farther downriver, efforts continue to barge large amounts of fresh water to water system intakes.
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