NRC's Regional Office in Arlington (Region IV) is responsible for carrying out the agency's duties in Montana. No operating nuclear reactors or fuel cycle facilities are located in Montana. Montana is not an Agreement State. The state has jurisdiction over x-ray equipment, naturally occurring radioactive materials, and certain radioactive materials that are not produced in a reactor.
More information about Montana's role in ensuring the safe use of radioactive materials can be obtained from the NRC Office of State Program's Directory of State Regulations, Legislation, and Web Sites.
Operating Nuclear Power Reactors
Facilities Undergoing Decommissioning