Watershed

Environmentalists say contaminated waterways in Philadelphia are caused by raw sewage overflows.

The lawsuit alleges nine companies failed to prevent toxic forever chemicals from entering the waterways Veolia relies on to provide drinking water.

The horseshoe crab’s blood helps test the sterility of medical products.

Biologists in New Jersey and Delaware spotted more red knot birds this year, but levels remain significantly lower than before the 2000s.

The investment would help improve pedestrian and cyclist safety in the Philadelphia area with more protected bike lanes and trail expansion.

Outdated sewage systems send raw sewage and stormwater through the same pipes, leading to flooding issues during heavy rainfall.

Earlier this year, the U.S. Army Corps of Engineers announced that the formally proposed levee would be downsized. Now they say the levee is not feasible.

Bucks County residents are raising concerns over noise and safety, as well as impacts on the water supply, as Sunoco works to clean up leaked jet fuel.

The legislation will create a tiered permitting system for development based on how critical a nontidal wetland is.

The annual Delaware River Sojourn has been drawing kayakers and canoers to the Delaware River for 31 years.

The so-called “forever chemicals” were found at higher levels between Chester and Pea Patch Island.

During the aftermath of Hurricane Ida, the Schuylkill River rose to levels that hadn’t been recorded in more than 150 years.

During the aftermath of Hurricane Ida in 2021, water rushed down the creek, flooding Forbidden Drive.

The exhibit features multimedia installations created by 10 local artists that bring to life the once-obscure underground corridors of the water system.

Toxic PFAS chemicals are found in hundreds of everyday products, including cosmetics, menstrual products, dental floss and items for babies.