This map provides an interactive display of streams in the Delaware watershed throughout Pennsylvania, New Jersey, and Delaware. The watershed includes all tributaries that flow into the main stem of ...

In Philly, the city said its water should be safe through at least 11:59 p.m. Monday, based on the time it takes water from the Delaware River to move through its system.

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.

Groups that work to protect and preserve fish and wildlife habitat in the Delaware River Watershed gathered along the Christina River in Wilmington Friday to celebrate $4.1 million in funding for 25 ...

Drinking water is not yet impacted, but officials are taking urgent measures. Drought and sea level rise have caused salt water from the Atlantic Ocean to creep into the Delaware River Basin, a ...

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 intakes at the Baxter Drinking Water Treatment Plant, about 8 miles downstream of the Altuglas plant, are opened at high tide on the Delaware River. Water officials say the intakes were ...

River otters are found in every major river system in Pennsylvania, including the Delaware River. Delaware Water Gap: Sierra Club releases map for national park in NJ and PA. Here's what it could ...