The river, the longest free-flowing river east of the Mississippi, is 113 feet deep at River Mile 290, counting from Delaware Bay, and visible from the bridge connecting Pennsylvania and New York.

This map shows the proposed boundaries for Delaware River National Park and Lenape Preserve under a Sierra Club proposal to redesignate the Delaware Water Gap National Recreation Area.

Water utilities along the Delaware River in Pennsylvania and New Jersey continue monitoring a Friday night chemical spill in a river tributary northeast of Philadelphia.. The utilities say there's ...

The Delaware River's salt front -- the line where ocean water and freshwater meet -- has been shifting upstream from its typical spot near Wilmington to about 20 miles north, near the Philadelphia ...

Editor's note: This map was originally published in March 2017 and has since been updated. Big changes are coming to the Delaware River Waterfront. Everything from an 11-acre park at Penn's Landing to ...

The Delaware River’s comeback from its polluted state decades ago make it “a model for other river restoration efforts,” American Rivers says in its 2020 endangered rivers report.

Philadelphia officials suggested residents of the city use bottled water Sunday after more than 8,000 gallons of chemicals used in latex finishing spilled into a tributary of the Delaware River ...

Federal officials propose 340 miles of critical aquatic habitat in the Delaware River to protect Atlantic sturgeon. News Sports Life First State Favorites Advertise Obituaries eNewspaper Legals NEWS ...

The Delaware River National Park and Lenape Preserve would take the place of the Delaware Water Gap National Recreation Area under a proposal by the Sierra Club and others.