Office of Environmental Management

A person in protective gear carries wood in their arms.

Created in 1989, the US Department of Energy's Office of Environmental Management mission is to address the nation's environmental legacy from the Manhattan Project through the end of the Cold War. This legacy includes some of the world's most dangerous radioactive sites with large amounts of radioactive wastes, spent nuclear fuel, excess plutonium and uranium,  and contaminated facilities, soil and groundwater.

About Us
Leadership 
Organization Chart
Mission
Annual Priorities & Strategic Vision 
Cleanup Sites
 

Airal photo of buildings and a large solar energy field.

EM's mission is to clean up and protect communities that supported defense production programs and government-sponsored nuclear energy research. EM plays a key role in cleaning the environment, contributing to national security priorities, investing in the future and aiding community efforts to build strong economies, growing jobs and preparing for a clean energy future.

Acquisition
Budget & Performance 
Communication and Engagement 
Program & Project Management
Safety, Security & Quality Assurance 
Science & Technology 
 

Areas of Focus

  • Heavy equipment, including multiple cranes, working to demolish a building

    Deactivation & Decommissioning

    EM supports the deactivation and decontamination (D&D) of excess contaminated DOE buildings and facilities to support new end uses and future missions.

Highlights

Contact Us

The Office of Environmental Management

U.S. Department of Energy
ATTENTION: Office of Environmental Management
1000 Independence Ave., SW
Washington, DC 20585 

Call Us

202-586-7709

E-mail Us

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