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In the distance, construction of the Mariner East 2 pipeline at Raystown Lake Recreation Area in Huntingdon County, Pennsylvania.
August 29, 2019 | 8:41 PM

DEP fines Sunoco/Energy Transfer $313K for Mariner East construction violations

By Susan Phillips
A sign on the side of a barn on Riegelsville Road in Holland Township, New Jersey, shows local opposition to the PennEast pipeline.
April 26, 2019 | 4:58 PM

NJ finds nine potential historic sites in PennEast pipeline’s path. They could be the project’s latest hurdle

19th-century structures need to be studied, historic preservation officer says
By Nicholas Pugliese/WHYY
A photo of a Delmarva bay in spring shows the wetland flooded. In summer and fall this same wetland is dry. This isolated wetland fell under Obama's Waters of the U.S. Rule. Under a Trump administration proposal, federal protection for many wetlands would be removed.
December 12, 2018 | 9:05 AM

Trump administration rolls back Obama-era water protections

By Dana Bate/WHYY
Denise McCarthy told a Department of Environmental Protection hearing that the Mariner East pipelines would endanger her grand nephew, Jack, whose picture she held up as she spoke. DEP held the public meeting in May to hear comment on Sunoco's proposed permit modifications in West Whiteland Township, Chester County.
October 19, 2018 | 4:52 PM

Full Mariner East pipeline risk assessment report released

Quest Consultants studied 'hundreds of unique potential hazardous material release scenarios'
By Scott Blanchard
In this photo from May 2018, Mariner East 2 pipeline construction crews work in the backyards of homes on Lisa Drive in West Whiteland Township, Chester County. The area has dealt with a number of sinkholes, including one on July 6, 2023. The problem led to Energy Transfer buying at least five homes along Lisa Drive after the aquifer there was damaged.
Updated: 2018-10-23 17:21:00

Sunoco: Mariner East 2 delayed to 2020, so company will join three pipes as substitute

The cross-state natural gas liquids pipeline Mariner East 2 was supposed to begin operation by the end of September. Now, the company has come up with a workaround after acknowledging another lengthy delay in its pipeline project.

By Jon Hurdle
Construction on the Mariner East 2 pipeline has faced myriad problems, including damaged water supplies and sinkholes in a residential neighborhood in Chester County.
Updated: 2018-10-16 12:56:03

DEP awards water quality-related grants funded by $12.6M penalty against Sunoco

Money will go to efforts in 14 Pa. counties
By Scott Blanchard
Trees cut on a Susquehanna County property in March 2016 to make way for the proposed Constitution Pipeline. The company has said it will fight a FERC order upholding New York State's denial of a permit for the project.
October 15, 2018 | 6:00 AM

‘energy, explained’ podcast: How one family lost the farm to a failed pipeline project

In the latest episode of “energy, explained,” the new podcast from StateImpact Pennsylvania, Megan Holleran tells her family’s story — complete with an unexpected twist — to StateImpact’s Susan Phillips.

By Susan Phillips and Scott Blanchard
The Tunkhannock Creek crosses Pocono Raceway property in Long Pond, Pa. It feeds into the Delaware River. (Kimberly Paynter/WHYY)
October 12, 2018 | 6:19 PM

Environmentalists win battle to protect ‘exceptional’ streams in the Poconos

A group of resort owners had challenged DEP's new classification of headwater streams in Monroe County
By Catalina Jaramillo
Workers installing the Mariner East 2 pipeline August 22, 2018 in Lebanon County. Energy Transfer Partners, parent company of Sunoco Logistics, had told investors that the line would be operational by the end of September. But regulatory issues have held it up.
October 1, 2018 | 10:58 AM

‘Regulatory issues’ delay opening of Sunoco’s Mariner East 2 pipeline

The company missed its deadline of opening the line by the end of September. The Public Utility Commission said there are several issues with the project that still need to be resolved.

By Jon Hurdle
In this 2018 file photo, 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. (Marie Cusick/StateImpact Pennsylvania)
September 25, 2018 | 4:49 PM

Mariner East 2: Sunoco’s incidents, fines and shutdowns fuel residents’ safety concerns

As part of the “Mariner East 2: At what risk?” series, StateImpact Pennsylvania reports how pipeline opponents say Sunoco’s construction makes them worried about the volatile liquids flowing through the line. The data can be useful, but there may be more to the story, two experts said.

By Jon Hurdle
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