In this Aug. 14, 2015, file photo, water flows through a series of sediment retention ponds built to reduce heavy metal and chemical contaminants from the Gold King Mine wastewater accident, in the spillway downstream from the mine, outside Silverton, Colo. New Mexico is suing the state of Colorado, saying its neighbor to the north should be held responsible for the contamination caused by the 2015 Gold King Mine spill as well as decades of toxic drainage from mines near the headwaters of the Animas River. (AP Photo/Brennan Linsley, File)
Featured Photo Galleries
