Drought and sea level rise have caused salt water from the Atlantic Ocean to creep into the Delaware River Basin ... Shallcross said. MORE: North America experienced an unprecedented 'hot drought ...

A newly released map shows for the first time in detail the controversial proposal to create a national park around the Delaware River, from the Delaware Water Gap north nearly to the New York ...

Where it is also widest, where the river meets the Delaware Bay? Try Narrowsburg, New York. A new map has been published showing the mysterious contours of what is called the “Big Eddy Narrows.” ...

Dry conditions in the Philly region have caused the salt front — or the area of the Delaware River where water becomes too salty to drink — to creep north toward the intake where Philadelphia draws ...

Drought and sea level rise have caused salt water from the Atlantic Ocean to creep into the Delaware River Basin ... Shallcross said. MORE: North America experienced an unprecedented 'hot drought ...