Addressing Los Alamos legacy contamination and waste
Learn how we safely and effectively carry out the Los Alamos National Laboratory legacy cleanup mission.
Who we are
We are responsible for carrying out the 10-year $2.1 billion LANL legacy cleanup contract for the U.S. Department of Energy Environmental Management Field Office.
N3B is committed to a safe, effective, efficient and compliant cleanup process.
Our employees are proud to call Northern New Mexico home and to continue to advance this important mission.
What’s New?
Los Alamos Legacy Cleanup Contractor Attracting Best and Brightest Talent READ MORE >
Environmental Management Cleanup Forum 3/18/2026 READ MORE >
N3B Releases 2025 Community Commitment Annual Report READ MORE >
Updates on Hexavalent Chromium Campaign READ MORE >
Environmental Management Cleanup Forum 12/17/2025 READ MORE >
What we do
We are responsible for protecting water supplies, cleaning up contaminated soil and disposing of remaining inventories of legacy waste.
Land
Water
Waste
Work with us
We’re a diverse team of problem-solvers and innovators, united by our commitment to N3B’s vital mission of legacy waste cleanup and community enhancement.
Latest News
N3B Los Alamos collaborates on gaging station to monitor streamflow to Rio Grande
September 6, 2022 - LOS ALAMOS, N.M. — A recently installed real-time streamflow gaging station will inform decisions made by Buckman Direct Diversion (BDD)...
Local students earn associate degrees through N3B Los Alamos apprenticeship program
August 18, 2022 - LOS ALAMOS, N.M. – Local students Miquela Casados and Zac Martinez recently received associate degrees after graduating from N3B Los...
More than $12,700 raised by N3B Los Alamos to support local food bank
July 15, 2022 - LOS ALAMOS, N.M. – Team members of N3B Los Alamos were pleased to present a check for $12,740 to local...