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LANL Responds to New Mexico Environment Department Administrative Compliance Orders – Requests Public Hearings
Episode 612
Thursday, 19 March, 2026
On Friday, March 13th, the Department of Energy (DOE) and Newport NewsNuclear BWXT--Los Alamos, LLC, known as “N3B,” answered the February 11, 2026Administrative Compliance Orders issued by the New Mexico Environment Departmentabout the hexavalent chromium plume that has migrated across the boundary of LosAlamos National Laboratory (LANL) onto Pueblo de San Ildefonso. When a new wellwas drilled on the Pueblo, the migration was discovered to reach the top of the deepdrinking water aquifer approximately 1,000 feet below ground surface. The release hasbrought the plume to a new level of regulatory oversight by the EnvironmentDepartment that now includes the New Mexico Water Quality Act and the New MexicoHazardous Waste Act. DOE and N3B have requested the New Mexico EnvironmentDepartment hold public hearings about the Orders.













