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Region I Jurisdiction

U.S. NRC Region I
475 Allendale Rd., Suite 102
King of Prussia PA 19406-1415
On this page:
Related pages:
- Region I Location
- Region I Organization
- Public Meetings in Region I
- Contact the Public Affairs Office in Region I
Area Covered by Region I
Connecticut, Delaware, Maine*, Maryland*, Massachusetts*, New Hampshire*, New Jersey*, New York*, Pennsylvania*, Rhode Island*, Vermont, and Washington, DC.
Region I also oversees materials licensees in Region II.
* 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 I
Nuclear Power Reactors: | 25 | (located at 16 sites) |
Research and Test Reactors: | 8 | (operating non-power reactors) |
Uranium Milling Facilities: | 0 |
Page Last Reviewed/Updated Thursday, August 27, 2026
Page Last Reviewed/Updated Thursday, August 27, 2026