Mississippi River levels are so low that saltwater from the Gulf of Mexico is threatening drinking water in Louisiana. NPR's Michel Martin speaks with Ricky Boyett of the U.S. Army Corps of Engineers.

Here in south Louisiana it's causing a unique phenomenon, changing the point at which the freshwater river and salty sea meet. "As the flows in the Mississippi River drop, the Gulf of Mexico ...

The Gulf of Mexico’s hypoxic “dead zone” at the end of the Mississippi River is seen by satellite south of Louisiana in 2017. (National Oceanic and Atmospheric Administration/The Minnesota ...

Typically, the mighty flow of the Mississippi River — which stretches from northern Minnesota, through the center of the continental United States and out to the Gulf of Mexico — is enough to ...

The Mississippi River bed from the mouth by the Gulf, all the way to Natchez, MS sits lower than the Gulf of Mexico. Salt water is more dense or heavier than fresh water.

According to Boyett, the river needs at least 300,000 cubic feet per second of water flowing down it to keep out the salt from the Gulf of Mexico; right now, he says, there’s only about half of ...

The size is smaller than predicted at the beginning of the summer, but is larger than the target goal set by the Mississippi River/Gulf of Mexico Hypoxia Task Force, a partnership between federal ...

DUBUQUE, Iowa (KCRG) - The National Mississippi River Museum & Aquarium in Dubuque says it has reopened its Gulf of Mexico exhibit. It comes after a propylene glycol leak in the HVAC system in ...

The Mississippi River meets the Gulf of Mexico south of Louisiana on June 7. The Gulf’s low-oxygen ‘dead zone,’ fueled largely by runoff from Midwest farms, is larger than average and larger ...

The Might Mississippi eventually passes through Louisiana where it ends and flows into the Gulf of Mexico. As the river passes through so many states, it is divided into three parts.

DUBUQUE, Iowa (KCRG) - The National Mississippi River Museum & Aquarium in Dubuque says it has reopened its Gulf of Mexico exhibit. It comes after a propylene glycol leak in the HVAC system in ...