After years of asserting that hydraulic fracturing has never tainted drinking water, the Obama administration issued a long-awaited study of the controversial oil and gas production technique that confirmed “specific instances” when fracking “led to impacts on drinking water resources, including contamination of drinking water wells.”

The conclusion was central to a nearly 1,000-page draft assessment issued Thursday by the Environmental Protection Agency to address public concerns about the possible effects of fracking on drinking water.

Fracking Has Contaminated Drinking Water, EPA Now Concludes
http://insideclimatenews.org/news/05062015/fracking-has-contaminated-drinking-water-epa-now-concludes