On August 17, 2010, a 10th Circuit Court of Appeals ruling overturned a District Court judge's October 17, 2007, decision that the U.S. Magnesium facility in Rowley, Utah was not illegally disposing five wastes. The initial lawsuit DOJ filed on behalf of EPA in 2001 claimed U.S. Magnesium was not following regulations promulgated under the Resource Conservation and Recovery Act of 1976, which dictates how waste byproducts must be disposed. Renco continues to operate the business under the name US Magnesium. At this point, US Magnesium is the only magnesium producer in the United States.
