In 2010, Congress commissioned the U.S. Environmental Protection Agency (EPA) to study the impact of fracking on drinking water. The U.S. EPA released its long-awaited final draft of its report today, assessing how fracking for oil and gas can impact access to safe drinking water. The report refuted the conclusion arrived at by the U.S. EPA’s 2004 study that fracking poses no threat to drinking water, a conclusion used to exempt the …