The EM Los Alamos Field Office (EM-LA) is dedicated to the cleanup of legacy contamination of radioactive and chemical materials and waste resulting from operations during the Manhattan Project and Cold War eras at the Los Alamos National Laboratory (LANL) in New Mexico. EM-LA’s cleanup scope includes legacy waste remediation and disposition, soil and groundwater remediation, and deactivation and decommissioning of excess buildings and facilities.
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EM-LA News
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In 2025, the U.S. Department of Energy Office of Environmental Management Los Alamos Field Office and its contractor achieved substantial progress in the legacy cleanup mission underway at Los Alamos National Laboratory matched by strong safety performance, federal and contractor leaders said here last week. December 23, 2025December 23, 2025
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Helping to grow America’s burgeoning nuclear renaissance, advancing infrastructure critical to winning the artificial intelligence race and safely addressing aging facilities to contribute to the modernization of America’s strategic deterrent — these are just some of the ways the U.S. Department of Energy Office of Environmental Management helped enable American energy, innovation and security in 2025, according to a new document released today.December 23, 2025
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U.S. Department of Energy Environmental Management Los Alamos Field Office team members highlighted the importance of characterizing legacy waste safely and efficiently, and disposing of that waste off Los Alamos National Laboratory property, during the recent Environmental Management Cleanup Forum. September 30, 2025September 30, 2025
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With Congress playing a vital role in the U.S. Department of Energy’s environmental cleanup efforts, congressional Senate committee staff members recently visited Los Alamos National Laboratory to see and learn more about the legacy cleanup mission. September 9, 2025September 9, 2025
Site Manager
Jessica Kunkle, Manager
Jessica Kunkle began serving as the EM-LA manager in June 2024. Prior to this appointment, Kunkle served in the National Nuclear Security Administration's Office of Infrastructure Lifecycle Management in Washington, DC.
Click here to view full bio.
High-Level Budget Information
| FY24 Request (in the millions) | FY24 Enacted (in the millions) | FY25 Request (in the millions) | FY25 Enacted (in the millions) | FY26 Request (in the millions) |
| $292 | $292 | $281 | $304 | $281 |
For more information on the Office of Environmental Management's budget process and performance check out the Budget & Performance page.