Saltwater intrusion happens when the Mississippi River level is low. With less water flowing downriver, there is not enough pressure to keep saltwater from the Gulf of Mexico out.

This phenomenon, known as saltwater intrusion, occurs when the rate of flow in the river dips below 300,000 cubic feet per second, leaving the river’s freshwater unable to push back against ...

A top climate scientist says we may have crossed a dangerous tipping point in Antarctica—and the long-term fallout could be ...

A joint meeting of the General Assembly’s Agriculture and Natural Resources committees will convene at the Virginia Institute ...

Saltwater intrusion is also a threat to Chesapeake Bay. Alison Schulenburg, a doctoral student at the University of Maryland College Park, ...

Construction has begun on a saltwater sill near Myrtle Grove to help mitigate the effects of saltwater intrusion up the Mississippi River. The U.S. Army Corps of Engineers awarded a construction ...

Construction of the saltwater sill began in the river at mile marker 64 near Myrtle Grove, La. Construction of an underwater sill to block saltwater intrusion has begun. Skip Navigation ...

Construction has begun on a saltwater sill near Myrtle Grove to help mitigate the effects of saltwater intrusion up the Mississippi River. The U.S. Army Corps of Engineers awarded a construction ...