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

The Delaware River, which separates the Lehigh Valley and New Jersey, was named Pennsylvania’s 2025 River of the Year, marking the first time it’s had such a distinction in over a decade ...

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 ...