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Due to a lapse in appropriations, the NRC has ceased normal operations. However, excepted and exempted activities necessary to maintain critical health and safety functions—as well as essential progress on designated critical activities, including those specified in Executive Order 14300—will continue, consistent with the OMB-Approved NRC Lapse Plan.

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Region III Jurisdiction

Map of NRC Region IIINRC Region II Location MichiganMinnesotaWisconsinIowaMissouriIllinoisIndianaOhio

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 Tuesday, August 12, 2025

Page Last Reviewed/Updated Tuesday, August 12, 2025