ALBUQUERQUE, N.M. (AP) — The U.S. Environmental Protection Agency wants a federal court to toss a lawsuit filed by Utah, New Mexico and the Navajo Nation seeking the repayment of cleanup costs for a mine spill in Colorado that polluted rivers in three states.

The EPA said in a motion Wednesday that the court doesn't need to intervene because crews are already working on the cleanup of water contaminated with heavy metals that was accidentally released from an EPA-monitored mine.

"Granting any relief in New Mexico, within the Navajo Nation, or in Utah would conflict and interfere with EPA's exc...