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Superfund

The Comprehensive Environmental Response, Compensation and Liability Act (CERCLA), better know as Superfund mandates that EPA respond to uncontrolled releases of hazardous substances that pose an immediate or future threat to human health and the environment. Superfund provides guidelines for locating, investigating and cleaning up the worst hazardous waste sites across the nation. See EPA's National SF website for more information.

In Region 8, there are two programs that implement Superfund responses, the emergency response program and the remedial program.

The emergency response program responds to emergencies, such as fires, train derailments, and floods, involving the release of hazardous substances. The emergency response program also undertakes removal actions, short-term cleanups of hazardous substances that pose an immediate health threat. See EPA's national Emergency Response website for information on how to report a spill of hazardous substances.

The remedial program oversees long-term cleanup of the most complex contaminated sites-generally sites listed on the National Priorities List. There are 69 Superfund sites in Region 8. Of these, 50 sites are final on the National Priorities List list, 7 are proposed and 12 have been deleted. Cleanup has been completed at 32 of these sites. Information on each Superfund Site in Region 8 can be accessed below.

Site Information by State

Post Construction Sites
Sites where cleanup is complete.
Region 8 Map of Montana, North Dakota, South Dakota, Wyoming, Utah, and Colorado Colorado Utah Montana South Dakota North Dakota Wyoming

Superfund in Action

Libby Asbestos
Libby, Montana


Excavation of asbestos contaminated soil in Libby

Excavating asbestos contaminated soils at the former screening plant.

Milltown Reservoir Sediments/Clark Fork River
Missoula, MT


Milltown Dam

Aerial view of Milltown Reservoir


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