Drilling on shaky ground: Why Chesco’s DA is investigating the Mariner East pipeline project

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A sinkhole that opened up in January outside a suburban home at Lisa Drive in West Whiteland Township, Chester County, is surrounded by orange plastic fencing.(Eric Friedman)

A sinkhole that opened up in January outside a suburban home at Lisa Drive in West Whiteland Township, Chester County, is surrounded by orange plastic fencing.(Eric Friedman)

Over two years of construction, the Mariner East 2 pipeline — which carries natural gas liquids across Pennsylvania to an export terminal in Delaware County — has been plagued with delays and mishaps. The construction has destroyed some private water wells, opened sinkholes, and sparked a criminal investigation by the Chester County District Attorney. On this episode of The Why, StateImpact Pennsylvania reporter Susan Phillips takes us along the pipeline’s winding path and explains why the DA is taking this unprecedented step.

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