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complaint graphs-2

This graph shows the number of annual conventional and unconventional wells drilled in PA from 2004-2016. It also displays the number of complaints registered by DEP each year, and the subset of those complaints categorized as “water” supplies. “Unconventional wells” are horizontal, hydraulically “fracked” wells to access shale gas. “Conventional wells” are traditional vertical gas wells typically drilled at shallower depths, requiring less chemical additives and less pressure. © Public Herald

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Uploaded on May 31, 2017