The village of Hoosick Falls, N.Y., sits along the Hoosick River in eastern New York. Elevated levels of a suspected carcinogen known as PFOA were found in the village's well water, which is now filtered.
Hansi Lo Wang/NPR
After the Animas River spill, rancher Irving Shaggy is forced to travel a 70-mile round trip to get water for his livestock. "It's going to be a long struggle," he says.
Workers use perforating tools to create fractures in rock. An EPA study finds that "fracking" to reach and extract deep pockets of hydrocarbons has not caused widespread drinking water pollution.
Environmental Protection Agency Administrator Gina McCarthy testifies at an oversight hearing of the Senate Environment and Public Works Committee on Capitol Hill in Washington on July 23.
J. Scott Applewhite/AP
Attorney General Eric Holder listens at right as Environmental Protection Agency Administrator Gina McCarthy speaks during a news conference at the Justice Department in Washington on Monday.
Former President Bill Clinton hugs House Minority Leader Nancy Pelosi of California as another Democrat, Sen. Barbara Boxer of California, looks on at Wednesday's ceremony naming the Environmental Protection Agency headquarters for him.
Pablo Martinez Monsivais/AP