Case Summary Citation

Atlantic Richfield Company v. Christian, 140 S. Ct. 1335 (2020)


In 1983, the EPA designated roughly 300 miles of polluted mining land near Butte, Montana, as a Superfund site, which the EPA now manages. In 2008, landowners adjacent to the Superfund site brought state law claims against Atlantic Richfield, the company that owned the smelter site. In March 2020, the Supreme Court of the United States ruled that Montana state courts have jurisdiction over the landowners’ suit, and that the landowners on this Superfund site qualify as potentially responsible parties.



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