EPA identified various hazardous substances, pollutants or contaminants as contaminants of concern (COCs) for the Site. EPA estimates more than a billion gallons of groundwater were contaminated, and thousands of acres of soil were affected by the movement of mine wastes and smelter emissions. Contamination from nearly 100 years of copper smelter operations have affected the health and quality of the environment at the Site. Located in and near the towns of Anaconda and Opportunity and throughout most of Deer Lodge County, the Site is among many sites in the larger Upper Clark Fork Basin Superfund Area. The Anaconda Smelter Superfund Site resulted from the operations of a former copper smelter in southwest Montana. In addition, AR will also pay $48 million to reimburse the EPA Superfund Program and Department of Justice for past and interim response costs and future oversight costs and approximately $185,000 to the U.S. Forest Service for oversight of future cleanup actions on Forest Service-administered lands at the Site. The estimated cost of the remaining work, including operation and maintenance activities to protect lands over the long term, is $83.1 million. Among other actions, AR will finish cleaning residential yards in the towns of Anaconda and Opportunity, clean up soils in upland areas above Anaconda, and fully close and restore the remaining slag piles at the Site. Under the settlement, AR - a subsidiary of British Petroleum - will complete numerous cleanup activities that had been initiated at the Anaconda Site through EPA administrative orders since the 1990s. "I am grateful for all the work EPA staff and the consent decree parties put forth to get to this agreement and look forward to the completion of remaining cleanup actions and the advancement of redevelopment goals in the community. "This consent decree agreement is an achievement which will ensure the community of Anaconda continues to receive the clean-up and funding it deserves," said EPA Regional Administrator KC Becker. District Court for the District of Montana on December 16, 2022 and secures $83M in final remedial actions at the Site, was made possible because of the efforts of many over the past thirty-five years.Īnaconda, Montana now thriving after more than three decades of clean-up efforts by EPA, State, businesses, and the community.Įxperience the full interactive Multichannel News Release, including additional images. This landmark agreement, which was entered by the U.S. Department of Justice (DOJ) announced on September 30, 2022, that Atlantic Richfield Company (AR) has agreed to complete its cleanup of the Anaconda Smelter Superfund Site (Site) in Deer Lodge County, Montana. Environmental Protection Agency (EPA) and the U.S.
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