PA PUC Investigating New ME2 Pipeline Sinkholes in Chester County

Energy Transfer’s subsidiary Sunoco Logistics is trying to finish up final construction of the Mariner East 2X pipeline in southeast Pennsylvania. ME2 and ME2X flow natural gas liquids including ethane and propane from eastern Ohio and western PA all the way to the Marcus Hook refinery near Philadelphia. As the pipe travels through Philly neighborhoods, some of the geography is limestone (porous) and when drilling to install pipes, it has led to sinkholes. Another seven such sinkholes have appeared since June and the state Public Utility Commission (PUC) is investigating.

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