EPA on fracking: No 'widespread' impact on water

The U.S. Environmental Protection Agency said in a Thursday report that it found no evidence fracking has a "widespread" impact on drinking water. The EPA report—a draft assessment of its findings—concluded that there are above and below ground mechanisms by which fracking have the potential to impact drinking water resources, but that the number of identified cases were "small" compared to the number of fracking wells.
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