Wyoming

NRC's Regional Office in Arlington (Region IV) is responsible for carrying out the agency's duties in Wyoming. No operating nuclear reactors or fuel cycle facilities other than mills are located in Wyoming. Wyoming is 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 Wyoming'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

• none

Fuel Cycle Facilities

• none

Uranium Recovery Facilities

• Lost Creek – Sweetwater County, WY
• Moore Ranch – Campbell County, WY
• Nichols Ranch – Campbell and Johnson Counties, WY
• Ross – Crook County, WY
• Smith Ranch – Douglas, WY (Converse County)
• Sweetwater – Sweetwater County, WY
• Willow Creek Project – Campbell and Johnson Counties, WY
  (Formally known as the Irigaray and Christensen Ranch Project)

Operating Research and Test Reactors

• none

Facilities Undergoing Decommissioning

• American Nuclear Corporation
• Bear Creek
• Exxonmobil Highlands
• Pathfinder - Lucky MC
• Pathfinder - Shirley Basin
• Umetco Minerals Corporation
• Western Nuclear, Inc. - Split Rock