An official website of the United States government.

This is not the current EPA website. To navigate to the current EPA website, please go to This website is historical material reflecting the EPA website as it existed on January 19, 2021. This website is no longer updated and links to external websites and some internal pages may not work. More information »

EPA in New Mexico

LANL - Storm Water Individual Permit - Draft NPDES Permit No. NM0030759


In compliance with the provisions of the Clean Water Act, as amended, (33 U.S.C. 1251 et. seq; the "Act"),

Los Alamos National Laboratory (LANL), managed and owned by Permittees Newport News Nuclear BWXT-Los Alamos, LLC and U.S. Department of Energy

600 Sixth Street Office of Environmental Management
Los Alamos, New Mexico 87544

Los Alamos Field Office
P.O. Box 1663
Los Alamos, New Mexico 87545-1663

is authorized to discharge storm water associated with industrial activities from specified solid waste management units (SWMUs) and areas of concern (AOCs) (as identified in Appendix A and referred to herein as “Sites”) from the facility located at Los Alamos, New Mexico, to receiving waters named: Tributaries or main channels of Mortandad Canyon, Canada del Buey, Los Alamos Canyon, DP Canyon, Sandia Canyon, Ten Site Canyon, Canyon de Valle, Water Canyon, Ancho Canyon, Bayo Canyon, Chaquehui Canyon, Fence Canyon, Pajarito Canyon, Twomile Canyon, Threemile Canyon, Potrillo Canyon, Pueblo Canyon, and Rendija Canyon, in Water Body Segment No., or of the Rio Grande Basin,

in accordance with this cover page and monitoring requirements, and other conditions set forth in the Requirements for NPDES Permits and Appendices, hereof.

You may need a PDF reader to view some of the files on this page. See EPA’s About PDF page to learn more.