New Study: PA Marcellus Shale Drilling Doesn’t Pollute Waterways

A new research study published Monday in the Proceedings of the National Academies of Sciences shows that Marcellus Shale drilling in Pennsylvania does not pollute the state’s waterways—at least not appreciably. The paper is titled “Shale gas development impacts on surface water quality in Pennsylvania” (full copy embedded below) and looks only at surface water—not underground aquifers. The study is significant because it looks at nearly 5,000 shale drilling sites in the state, and according to the lead author, they “didn’t find evidence in waterways of significant chemical spills from drill sites.”

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