Senate Republicans introduced a bill Wednesday to hold the Environmental Protection Agency accountable for the spill it caused in Colorado last year, dumping 3 million gallons of toxic sludge into the Animas River.

Sen. Orrin Hatch, R-Utah, the chairman of the Finance Committee, joined with Sen. Cory Gardner, R-Colo., in introducing the Gold King Accountability and Compensation for Taxpayers Act on Wednesday. The waterways of both senators’ states were sullied by the spill that occurred at the abandoned Gold King gold mine.