Region IV Jurisdiction
U.S. NRC Region IV
1600 E. Lamar Blvd.
Arlington, TX 76011
On this page:
Area Covered by Region IV
Alaska, Arizona*, Arkansas*, California*, Colorado*, Hawaii, Idaho, Kansas*, Louisiana*, Missouri, Mississippi, Montana, Nebraska*, Nevada*, New Mexico*, North Dakota*, Oklahoma*, Oregon*, South Dakota, Texas*, Utah*, U.S. Pacific Territories, Washington*, and Wyoming.
Region IV also oversees Callaway plant in Missouri, MO, which is part of Region III. Region II oversees the Region IV commercial nuclear fuel processing facilities in NM and WA.
* 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 IV
|Nuclear Power Reactors:
||(located at 13 sites)
|Research and Test Reactors:
|Uranium Milling Facilities:
*Fuel cycle facilities located within these States falls within the jurisdiction of Region II.
Page Last Reviewed/Updated Friday, June 17, 2022