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 ...

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 ...

Saltwater intrusion is not confined to Florida or Delaware, it is a national issue. From coastal California to the Gulf of Mexico, its driven by climate change and unsustainable water management ...

PLAQUEMINES PARISH, La. — As the Mississippi River water level lowers, the possibility of a saltwater intrusion increases, and for the third year in a row, southern Louisiana will be facing one.

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 ...