DOE missions at the Paducah Site include environmental cleanup, waste management, depleted uranium conversion, deactivation and decommissioning, re-industrialization, and long-term stewardship. Although the plant is leased and operated by USEC, environmental restoration and related waste management activities associated with past practices will be conducted by DOE. Future plant shut down and cleanup activities will be the responsibility of USEC.
Enforcement
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Nuclear safety deficiencies that occurred between 2019 and 2022 revealed multiple violations of DOE nuclear safety requirements by Mid-America Conversion Services, LLC at Portsmouth Paducah Project Office.January 20, 2026 -
Electrical Shock Event at the Brookhaven National LaboratoryJanuary 16, 2026 -
Unauthorized access of a high radiation area at the Lawrence Livermore National Laboratory.December 19, 2025
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Thumb Amputation at Savannah River SiteNovember 21, 2025
Safety Oversight Reports
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Independent Assessment of the 2025 Annual Full-participation Emergency Management Exercise at the Waste Isolation Pilot PlantMay 22, 2026 -
Independent Assessment of Safety System Management at Los Alamos National Laboratory Plutonium Facility Building 4 at Technical Area 55May 22, 2026 -
Independent Assessment of the Transuranic Waste All-hazards Planning Basis at the Idaho Cleanup ProjectMay 22, 2026
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Independent Assessment of Work Planning and Control by Hanford Mission Integration Solutions, LLC at the Hanford SiteMay 22, 2026
Security and Cybersecurity Oversight Reports
Independent Focused Assessment of Material Control and Accountability Program at the Paducah Gaseous Diffusion Plant, June 16, 2022
Office of Safeguards and Security Assessments Limited-Notice Performance Tests at the Paducah Gaseous Diffusion Plant, Conducted December 16-18, 2019
Office of Security Assessments Appraisal of the Material Control and Accountability Program at the Paducah Gaseous Diffusion Plant, August 6, 2019
Office of Enterprise Assessments Assessment of the Material Control and Accountability Program at the Paducah Gaseous Diffusion Plant, May 1, 2017
Office of Enterprise Assessments Limited-Scope Assessment of Protective Force Management and Capabilities at the Paducah Gaseous Diffusion Plant, March 29-31, 2016
Independent Review of the Cyber Security Program at the Paducah Gaseous Diffusion Plant, December 2015
Independent Review of the Cyber Security Program at the Portsmouth/Paducah Project Office, December 2015
Office of Enterprise Assessments Inspection of the Material Control and Accountability Program at the Paducah Gaseous Diffusion Plant, September 9-10, 2015
Review of the Material Control and Accountability Activities at the Paducah Department of Energy Reservation, October 2014
Independent Oversight Review of the Security Areas at the Paducah Gaseous Diffusion Plant, December 2011
Independent Oversight Material Control and Accountability Site Assistance Visit at the Paducah Gaseous Diffusion Plant, February 2011