Parts of the Delaware River have low dissolved oxygen levels caused by ammonia discharges from wastewater facilities.

Of the rest that responded, many sounded like the Philadelphia Water Department, which expressed a shared desire for a cleaner Delaware River but questioned the science and affordability of the ...

WAYNE COUNTY, Pa. — PennDOT announced that the Delaware River is closed in Wayne County on Monday. The Delaware River is closed to all river traffic due to the causeway installation and ...

Data analyzed by CBS News Philadelphia found that the neighborhoods most likely to experience large flows of sewage are also ...

The Delaware is the East’s longest undammed river, a bit of wilderness that runs through heavily populated states. An annual paddle is an opportunity to explore it. A young paddler takes a break ...

Eleven dams in the Delaware River Basin were removed last year, in a move that environmental advocacy groups say will improve conditions for wildlife in the Delaware’s tributaries and remove hazards ...

PHILADELPHIA (WPVI) -- The focus of our next edition of our Climate Ready series is on the Delaware River, which, as you may know, is a mix of both freshwater and saltwater. So many species rely ...