Onlookers view the Animas River from a bridge as orange sludge from a mine spill upstream flows past Berg Park in Farmington, N.M., Saturday, Aug. 8, 2015. About 1 million gallons of wastewater from Colorado's Gold King Mine began spilling into the Animas River on Wednesday when a cleanup crew supervised by the Environmental Protection Agency accidentally breached a debris dam that had formed inside the mine. The mine has been inactive since 1923. (Alexa Rogals/The Daily Times via AP)DENVER (AP) — An Environmental Protection Agency official says she doesn’t believe wildlife will suffer significant health impacts from the large volume of wastewater that spilled from an abandoned mine in southwestern Colorado.