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The U.S. Nuclear Regulatory Commission is in the process of rescinding or revising guidance and policies posted on this webpage in accordance with Executive Order 14151 Ending Radical and Wasteful Government DEI Programs and Preferencing, and Executive Order 14168 Defending Women From Gender Ideology Extremism and Restoring Biological Truth to the Federal Government. In the interim, any previously issued diversity, equity, inclusion, or gender-related guidance on this webpage should be considered rescinded that is inconsistent with these Executive Orders.

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Region III Jurisdiction

Map of NRC Region IIINRC Region II Location Michigan Minnesota Wisconsin Iowa Missouri Illinois Indiana Ohio

U.S. NRC Region III
2056 Westings Ave
Suite 400
Naperville, IL 60563-2657

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Area Covered by Region III

Illinois*, Indiana, Iowa*, Michigan, Minnesota*, Ohio*, and Wisconsin*.

Region IV also oversees the Callaway plant in Missouri, MO, which is part of Region III. Region II oversees the Region III commercial nuclear fuel processing facilities in Illinois (IL)* and Ohio (OH)*.

* These states are "Agreement States" which have assumed the regulation of radioactive materials with the exception of nuclear reactors, fuel facilities, and certain other facilities.

Types and Numbers of Licensees in Region III

Nuclear Power Reactors: 23 (located at 15 sites)
Research and Test Reactors: 4  
Uranium Milling Facilities: 0  

*Fuel cycle facilities located within these States falls within the jurisdiction of Region II.

Page Last Reviewed/Updated Wednesday, October 2, 2024