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Nominee Timothy Walsh pledges focus on cleanup priorities, accountability at DOE environmental management office

5356875 · July 11, 2025

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Summary

Timothy Walsh, nominated for assistant secretary of energy for environmental management, emphasized project management, accountability and collaboration with stakeholders on cleanup of Cold War nuclear sites. Senators pressed him on WIPP elevator repairs, Hanford cleanup milestones and program oversight.

Timothy Walsh, President Trump’s nominee to lead the Department of Energy’s Office of Environmental Management, told the Senate Energy and Natural Resources Committee on July 15 that he would bring “decisive decision making and disciplined project management” to the government’s nuclear cleanup program if confirmed.

The Office of Environmental Management (EM) oversees cleanup of waste and facilities produced during the Manhattan Project and Cold War, a mission the committee described as involving an annual budget “of more than $8,000,000,000,” most of which is spent through contracts. Walsh, a West Point graduate, combat veteran and chief executive of Confluence Companies, said his construction and project-management background positions him to lead the complex program.

Why it matters: EM is responsible for cleanup at multiple high-risk sites around the country, including Hanford in Washington state and the Waste Isolation Pilot Plant (WIPP) in New Mexico. Timely, funded work at these sites has both environmental and public-health implications and is governed by legal agreements and technical standards.

Questions from senators covered near-term operational issues and longstanding program commitments. Senator Heinrich asked about WIPP, the federal transuranic waste repository in New Mexico, and its elevator systems. Walsh acknowledged his familiarity with the facility and said the lift system “is absolutely in need of repair” and that, if confirmed, he would ensure a “serviceable lift system.” He added that he has not yet reviewed the program’s detailed budget until confirmation and briefings take place.

Senator Cantwell pressed Walsh on Hanford cleanup responsibilities, referencing the tri-party agreement and consent-decree milestones that guide cleanup work. Walsh said he understands those frameworks and “you have my commitment that we're gonna work together and that it's gonna be a priority in the office of environmental management.”

Walsh said he would prioritize strategic planning and collaboration “with all stakeholders including Congress, local communities, and the tribal nations,” and that he would focus on “the most pressing risks” through disciplined management. He described Rocky Flats — which he said lies about 16 miles north of Golden, Colorado — as an example of what the program can achieve.

The nominee pledged to provide answers for additional details in follow-up and to work with senators on Hanford and other high-priority issues. The committee did not take a confirmation vote at the hearing; written questions for the record were due the next day.

Provenance and next steps: Walsh’s answers and commitments were made under oath during his testimony. Should he be confirmed, departmental oversight and contractual accountability will determine execution and funding of cleanup milestones.