Watershed

No natural gas liquids are flowing in Mariner East 1 anywhere in Pennsylvania, the PUC says.

Activists want a new panel to regulate the chemicals in the absence of federal standards.

Pennvest will invest $7.9 million into the mid-Atlantic hatchery.

New Jersey's Department of Environmental Protection has taken a step toward cleaning up water contamination from an unregulated class of perfluorinated chemicals known as PFAs

A new sinkhole appeared late Sunday at a Sunoco pipeline site in Chester Co. where several earlier sinkholes led officials to halt construction because of safety concerns.

Since taking office, President Donald Trump has made environmental deregulation a priority.

The National Science Foundation awarded Delaware $19 million over the next five years to fund research into improving water quality and reducing the impact of rising seas.

Last year was the second rainiest on record in Philadelphia, with a total 61.6 inches over the year.

New Jersey’s attorney general says PennEast Pipeline Co. can’t legally sue the state for access to more than 40 parcels of protected land.

Homeowners are focused on the integrity of a repurposed 12-inch pipeline first built in 1930s.

The company said in a notice that the 350-mile line, which spans Pennsylvania, will be carrying ethane, butane and propane to the Marcus Hook industrial complex.

With rising sea levels, protecting infrastructure against high water is becoming more of a priority. ILC Dover sees it as a business opportunity.

Suburban Philadelphia U.S. Rep. Brian Fitzpatrick plans a national caucus to fight water contamination from nearby military bases.

Potential charges include causing a catastrophe and environmental crimes, DA says.

Bucks and Montgomery County residents with elevated levels of PFAS met with state officials, but came away with more questions about the possible health effects.