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State administrative judge rules in favor of Mariner East pipelines

Judge ruled that the petioners — residents in Chester and Delaware Counties — failed to provide sufficient evidence of safety concerns to grant interim emergency relief.

Mariner East 2, seen here being installed in western Pennsylvania in 2017, was one of two pipelines studied in a risk assessment commissioned by the Delaware County Council.
Mariner East 2, seen here being installed in western Pennsylvania in 2017, was one of two pipelines studied in a risk assessment commissioned by the Delaware County Council.Read moreCLEM MURRAY / STAFF PHOTOGRAPHER

A state administrative law judge on Tuesday denied a petition to the Pennsylvania Public Utilities Commission to halt operations of the Mariner East pipelines in Chester and Delaware Counties because of safety concerns.

Judge Elizabeth Barnes ruled that the petitioners — residents in both counties — failed to provide sufficient evidence to grant interim emergency relief to stop the already operational Mariner East 1 pipeline and prevent the anticipated operation of the Mariner East 2 pipeline.

Lisa Dillinger, spokeswoman for Sunoco parent company Energy Transfer Partners, welcomed the ruling and said Mariner East 2 will soon be up and running.

“We are in the final stages of completing the construction required to put the line in service, which we anticipate will be by the end of the year,” she said in an emailed statement.

Mariner East 1 and 2 are part of a multi-billion-dollar effort to bring natural gas liquids from Western Pennsylvania to the Philadelphia region and elsewhere.