Atlantic Richfield Agrees to $24 Million Montana Smelter Cleanup

Atlantic Richfield Co., the EPA, and a federal district court in Montana have signed off on an agreement to continue remediating a Montana Superfund site that the company has worked to clean up for nearly four decades.

The U.S. District Court for the District of Montana finalized a consent decree Thursday between the company and the Environmental Protection Agency, binding the company to additional cleanup at the Anaconda Smelter Superfund site in Anaconda, Mont.

The 300 square mile site was the focus of a 2020 U.S. Supreme Court decision prompted by residents’ concerns that the EPA’s cleanup plan and Atlantic ...