In 2009, the U.S. Centers for Disease Control and Prevention (CDC) addressed widespread asbestos contamination in Libby, Montana. Screenings and health care service were provided for those exposed.

As of November 2018, the U.S. Environmental Protection Agency (EPA) had completed cleanup of over 2,600 properties located within Libby and Troy and had investigated over 7,600 properties within the Superfund site. The EPA has removed more than one million cubic yards of contaminated soil to date.