Fracking Has Not Had Big Effect on Water Supply, E.P.A. Says While Noting Risks

A landmark Environmental Protection Agency report on the impact of hydraulic fracturing has found no evidence that the contentious technique of oil and gas extraction has had a widespread effect on the nation’s water supply, the agency said Thursday.

Nevertheless, the long-awaited draft report found that the techniques used in hydraulic fracturing, known as fracking, do have the potential to contaminate drinking water.

Read more in The New York Times.