Portsmouth/Paducah Project Office - PPPO

Portsmouth/Paducah Project Office - PPPO Located in Lexington, Kentucky, the PPPO office lies between the Kentucky and Ohio Sites. EM began its cleanup program at the sites in the late 1980s.

Located in Lexington, KY, PPPO manages the DOE Environmental Management (EM) cleanup efforts at two gaseous diffusion plant sites – Portsmouth, Ohio, and Paducah, Kentucky. The Portsmouth/Paducah Project Office (PPPO) manages the Department of Energy (DOE) Office of Environmental Management (EM) cleanup efforts at two gaseous diffusion plant sites – Portsmouth, Ohio, and Paducah, Kentucky. The Dep

artment of Energy’s Portsmouth Gaseous Diffusion Plant in Piketon, Ohio, and its plant near Paducah, Kentucky, were built in the early 1950s to enrich uranium for national defense applications and later for commercial nuclear power plant fuel. The Portsmouth Site ceased enrichment by gaseous diffusion under a commercial lease in 2001, and the Paducah plant ceased production operations under a commercial lease in 2013. PPPO was established on October 1, 2003, to provide focused leadership to the EM missions at the two sites, encompassing decontamination and decommissioning (D&D), environmental remediation, waste management, and depleted uranium hexafluoride (DUF6) conversion. Although the PPPO Manager is based at the Lexington project office, frequent and routine site interactions occur between management and staff among all three locations. PPPO maintains a strong presence at the sites on a daily basis through its Portsmouth and Paducah Site offices. PPPO’s goal is to accelerate cleanup at the two sites, eliminating potential environmental threats, reducing the DOE footprint, and reducing life-cycle cost. The office provides consolidated management and services including:

* Project Management
* Risk Management
* Contract Management
* Business support services, including financial management, information technology, human resources, public affairs, legal, property management, security, safety and quality assurance

The vision of PPPO is to safely accelerate cleanup, ensuring protection of the public and environment, provide jobs for southern Ohio and western Kentucky, and work with the local communities to provide opportunities for economic growth.

Deactivation crews remove process equipment from the Paducah C-333 Process Building. Areas of this building will help su...
06/18/2026

Deactivation crews remove process equipment from the Paducah C-333 Process Building. Areas of this building will help support deactivation of the C-337 Process Building as workers enter the final stages of readiness for fissile operations.

“All this hard work has really paid off. The focus for today is really about enabling the future.” -- Principal Deputy A...
06/17/2026

“All this hard work has really paid off. The focus for today is really about enabling the future.” -- Principal Deputy Assistant Secretary for the Office of Environmental Management Joel Bradburne

Past planning efforts and collaboration are leading to future energy and economic development in southern Ohio, particularly at the Portsmouth Site, according to the U.S. Department of Energy’s Joel Bradburne, who recently served as the keynote speaker at the Appalachian Ohio State of the Region C...

06/16/2026

Workers spent just over 12 months clearing transite panels from the Portsmouth X-333 Process Building. Watch this video to see how it was done.

Deactivation workers cut a fire line in the Portsmouth X-330 Process Building to clear the Material Storage Area footpri...
06/15/2026

Deactivation workers cut a fire line in the Portsmouth X-330 Process Building to clear the Material Storage Area footprint. Meanwhile, an industrial hygiene technician takes samples during the removal process.

06/12/2026

EPA’s new Superfund Cleanup Initiative is delivering results in the Southeast—cutting timelines from years to months and accelerating community benefits.
For example, through streamlined negotiations and cross agency collaboration, redevelopment at the Paducah Gaseous Diffusion Plant in Kentucky moved from agreement to lease in under four months. Under a U.S. Department of Energy –EPA agreement, General Matter signed a multidecade lease in August 2025 to reuse a 100-acre parcel.

Impact: a $1.5B investment—the largest in western Kentucky—projected to create hundreds of high-paying jobs, generate millions in economic benefits

Read more: epa.gov/newsreleases/trump-epa-announces-new-superfund-cleanup-initiative-prioritize-faster-remediation-and

A radiological control worker surveys downed towers near the Paducah C-537 Switchyard in support of site deactivation ac...
06/11/2026

A radiological control worker surveys downed towers near the Paducah C-537 Switchyard in support of site deactivation activities. This work is part of an ongoing effort to disassemble and remove the former transmission towers.

“Transite removal is the first significant milestone during the demolition phase, so it’s important to set the right ton...
06/10/2026

“Transite removal is the first significant milestone during the demolition phase, so it’s important to set the right tone for this multiyear building demolition." -- Federal Project Director Christy Brown

Crews taking down the largest former uranium enrichment facility in the heart of the U.S. Department of Energy’s Portsmouth Site recently removed the last of its nearly 15,000 panels containing asbestos, a marker of progress toward the aging structure’s demolition. June 9, 2026

Operators load and move debris at the 5-Unit area for transport to the Portsmouth On-Site Waste Disposal Facility.
06/08/2026

Operators load and move debris at the 5-Unit area for transport to the Portsmouth On-Site Waste Disposal Facility.

Four Rivers Nuclear Partnership, the deactivation and remediation contractor at the Paducah Site, and Southern Ohio Clea...
06/05/2026

Four Rivers Nuclear Partnership, the deactivation and remediation contractor at the Paducah Site, and Southern Ohio Cleanup Company, the deactivation and demolition contractor at the Portsmouth Site, recently welcomed summer interns. Best of luck to all PPPO interns while they work on projects and learn more about career opportunities at the sites!

Address

1017 Majestic Drive
Lexington, KY
40513

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