TAG | Impact of development
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The Delaware River on the Pennsylvania side at the Delaware Water Gap.

‘Reviving the River’ series: Which streams in the Delaware Watershed are too dirty for swimming and fishing?

The WHYY series explores the death and rebirth of the Delaware River, chronicling how it transformed from a ‘stinky ugly mess to a year-round attraction.’

By Evan Bowen-Gaddy, WHYY

This photo taken on July 11, 2012, shows the Marcus Hook Refinery in Marcus Hook, Pa. The facility, which is owned and operated by Sunoco Logistics, is an international hub for natural gas liquids–propane, ethane, and butane–from the Marcellus Shale region of Western Pennsylvania. Sunoco Logistics is spending roughly $2.5 billion on the Mariner East projects, which will connect the western part of the state to the port at Marcus Hook.
Updated: January 10, 2019 | 5:18 pm

Judges say DEP unlawfully issued air-quality permits to Sunoco at Marcus Hook

Agency must review the permits, but ruling has 'no immediate effect' otherwise, environmental group says
By Jon Hurdle

In this May 2018 photo, workers and contractors for Sunoco Pipeline investigate sink holes behind homes at Lisa Drive, West Whiteland Township, Chester County where the company has been drilling for construction of the Mariner East 2 and 2X pipelines. The company offered to relocate residents of the five homes whose yards are crossed by the pipeline right of way.

Chester County DA names former federal prosecutor to beef up pipeline probe

Tom Hogan says investigation will proceed even if there are talks with Sunoco
By Jon Hurdle

A sign on Riegelsville Road in Holland Township, New Jersey, shows local opposition to the PennEast pipeline.

New Jersey attorney general: Federal judge erred in PennEast Pipeline ruling

In December, PennEast was given right to use eminent domain for surveys
By Jon Hurdle

The Andover estate in Thornbury Township, Delaware County, along the route of the Mariner East 2 pipeline which began operating on Dec. 29. A valve site for the pipeline is in the center of the picture.

Mariner East startup renews safety fears for some residents in Delaware County

Many who live in the densely-populated southeastern Pennsylvania area have opposed the pipeline project. Now that natural gas liquids are running through the line, one resident says she doesn’t know how she’ll sleep at night.

By Jon Hurdle

Energy Transfer, the parent company of Mariner East 2 pipeline builder, Sunoco, works at Snitz Creek in West Cornwall Township, Lebanon County after a drilling mud spill during the summer.

Mariner East 2 pipeline is up and running, Sunoco says

The project faced multiple regulatory setbacks and was already 18 months behind schedule when it missed a September start-up target. It still faces a hearing before the PUC and a criminal investigation by the Chester County district attorney.

By Scott Blanchard

Mariner East 2 pipeline construction crews work in the backyards of homes on Lisa Drive in West Whiteland Township, Chester County, on May 2, after sinkholes opened in the area. That caused one of the ME2 project's many delays.

Spills, shutdowns and legal challenges: a tumultuous year for Mariner East 2

After multiple delays, Sunoco has said it is on target to start operations of the controversial pipeline by end of 2018.

By Jon Hurdle

Crews work to stabilize sinkholes in a West Whiteland Township, Chester County neighborhood on March 3. The sinkholes appeared  near a construction site for the Mariner East 2 pipeline.
Updated: December 19, 2018 | 5:37 pm

Chester County district attorney opens criminal investigation into Mariner East pipeline project

The district attorney said a recent pipeline explosion in Beaver County, and a visit to see where sinkholes opened last year at a pipeline construction site, prompted him to act.

By Jon Hurdle

Mariner East 2 pipeline construction in Chester County.
Updated: December 20, 2018 | 7:49 am

PUC investigators: We didn’t say the 12-inch Mariner East 2 line was safe

The agency’s Bureau of Investigation and Enforcement said Sunoco ‘mischaracterized’ its position to an administrative law judge who’s reviewing a request by a group of residents to shut down the Mariner East pipeline project. The bureau said it didn’t say the line was unsafe, either.

By Jon Hurdle

Yellow markers show the right of way for the Mariner East pipeline in Lebanon County.

PUC panel sees ‘statewide concern’ with pipeline corrosion after ME1 leak

Investigators propose a ‘remaining life study’ for ageing pipeline
By Jon Hurdle
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