FILE - In this Aug. 6, 2015, file photo, Dan Bender of the La Plata County Sheriff's Office takes a water sample from the Animas River near Durango, Colo., after the accidental release of an estimated 3 million gallons of waste from the Gold King Mine. The Navajo Nation's Department of Justice announced on Wednesday, Jan. 13, 2021, has settled with two mining companies to resolve claims stemming from a 2015 spill that sent wastewater downstream from the inactive Gold King Mine in southwestern Colorado. (Jerry McBride/The Durango Herald via AP, File)

FILE - In this Aug. 11, 2015, aerial photo, wastewater streams out of the Gold King Mine in southwestern Colorado after a contractor crew hired by the Environmental Protection Agency inadvertently triggered the release of about 3 million gallons of water tainted with heavy metals. The Navajo Nation's Department of Justice announced on Wednesday, Jan. 13, 2021, it has settled with two mining companies to resolve claims stemming from the 2015 spill that sent wastewater downstream from the inactive Gold King Mine in southwestern Colorado. (Geoff Liesik/The Deseret News via AP, File)