USACE Building an Underwater Sill in La. to Limit Saltwater Intrusion in Mississippi River

USACE is building an underwater sill in the Mississippi River near Myrtle Grove, La., to curb saltwater intrusion caused by the deepening of the shipping channel. This preventative measure will safeguard municipal and industrial water supplies from Gulf saltwater. Similar sills have been installed in previous years to combat saltwater movement in periods of low river flow....

USACE is building an underwater sill in the Mississippi River near Myrtle Grove, La., to curb saltwater intrusion caused by the deepening of the shipping channel. This preventative measure will safeguard municipal and industrial water supplies from Gulf saltwater. Similar sills have been installed in previous years to combat saltwater movement in periods of low river flow....