Environmental Protection Agency contractors repair damage at the site of the Gold King Mine spill outside Silverton, Colo.
(Brennan Linsley / Associated Press)
A La Plata County sheriff’s notice marks the closure of the Animas River in Durango, Colo.
(Brennan Linsley / Associated Press)
Wastewater from a former gold mine poured into Cement Creek, which feeds the Animas River in Colorado.
(Theo Stroomer / Getty Images)Advertisement
A settling pond is used near Cement Creek, which was flooded with millions of gallons of toxic wastewater.
(Theo Stroomer / Getty Images)
People kayak in the Animas River near Durango, Colo., Thursday, Aug. 6, 2015, in water colored from a mine waste spill.
(Jerry McBride / Associated Press)