When the US EPA found water contamination from hydraulic fracturing in Pavilion, Wyoming, the natural gas industry cried innocence.
Many pointed out that in the Wyoming case, hydraulic fracturing (“fracking”) took place in very shallow areas close to fresh water aquifers. In most fracking locations, including the Marcellus shale, natural gas is extracted from shale thousands of feet below the fresh water, with rock separating the two layers. Keep reading →