Nuclear Reactors

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Regulated Reactors

Regulated Activities

For general information, see the How We Regulate page.


The Office of Nuclear Reactor Regulation has overall responsibility for NRC's reactor program. NRC's regional offices implement this program in the states for which they are responsible (Region I covers the Northeast ; Region II covers the Southeast ; Region III covers the Midwest ; and Region IV covers the West and the Southwest ). Reactor regulation is also supported by a Nuclear Reactor Safety Research program and by independent advice from the Advisory Committee on Reactor Safeguards.

Page Last Reviewed/Updated Friday, April 21, 2023