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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: October 16, 2018 | 12:56 pm

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

Construction on the Mariner East 2 pipeline has faced myriad problems, including damaged water supplies and sinkholes in a residential neighborhood in Chester County.

Risk assessment quantifies Mariner East hazards for residents in two counties

The study says a pipeline “release” such as a small leak or a major rupture was likely to occur once every 79 years along a 35-mile stretch of pipeline such as that through Chester and Delaware counties.

By Jon Hurdle

A Mariner East 2 pipeline construction  site is shown off Valley Road near Media, Pa., on Aug. 22. The site is close to where Sunoco is digging up a section of the pipeline after discovering a coating issue that needed to be fixed.

Sunoco replaces section of Mariner East 2 because of flaws in pipeline coating

The company said the work in Delaware County is a preventative measure. An independent pipeline consultant said it’s ‘rare’ that a line is dug up and replaced like this.

By Jon Hurdle

The Mariner East 1 natural gas liquids pipeline has been exposed in a creek near a housing development in Uwchlan Township, Chester County.
Updated: July 20, 2018 | 1:48 pm

Sunoco: Exposed pipe in Uwchlan Township is inactive, not Mariner East 1

A township supervisor said Thursday that a township engineer had confirmed the line was part of Mariner East 1. But Sunoco said today that the line was taken out of service in 2015.

By Jon Hurdle

Mariner East 2 pipeline construction in Chester County
Updated: July 20, 2018 | 11:15 am

New Mariner East troubles: Spill in western Pa., exposed pipeline outside Philadelphia

The state’s Public Utility Commission said people are not in “imminent danger” from the exposed pipe. But a township supervisor said she’s concerned and wants the situation treated with urgency.

By Jon Hurdle

An environmental cleanup crew works to remove fuel from a spill in Darby Creek in Tinicum Township, Pennsylvania, near the Philadelphia International Airport. Sunoco plans to use this same line to ship natural gas liquids until construction along the Mariner East 2 is completed.

Sunoco’s stand-in ME2 line leaked gasoline at Darby Creek, pipeline map indicates

Mapping data and Sunoco’s statements point to a 12-inch pipeline that would allow the company to fulfill customers’ orders for natural gas liquids while construction of the long-delayed Mariner East 2 pipeline is being completed.

By Jon Hurdle

Mariner East 2 Pipeline construction in Delaware County. The project, which has been beset by legal, environmental and technical problems -- and has been shut down three times by judges or regulators -- is still scheduled to be operational in the third quarter of 2018.
Updated: July 4, 2018 | 4:57 pm

DRBC rejects call to pull Mariner East permit after alleged docket violations

The Delaware River Basin Commission said many Sunoco incidents are outside its jurisdiction, and have already been penalized by Pennsylvania authorities. But, the commission said, it’s tracking possible violations of its permit conditions.

By Jon Hurdle

The Delaware River basin: Officials say proposed new rules would strengthen protections against contamination from fracking waste water brought into the basin.

Pull the Mariner East permit, environmental group urges Delaware River Basin Commission

Delaware Riverkeeper Network says “severe and ongoing” permit violations are causing “significant harm” to the river basin. It wants the commission to suspend Mariner East 2 construction.

By Jon Hurdle

Mariner East 2 pipeline construction in Delaware County

Officials: Water main contractor struck Mariner East 2 in Delaware County

Damage was minor, but critics say incident highlights public safety risks
By Jon Hurdle

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.

Jobs, economy vs. environment at air permit hearing for Marcus Hook energy hub

Sunoco wants to create a terminal for natural gas liquids
By Catalina Jaramillo
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