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  2. EPA in New Mexico

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

AUTHORIZATION TO DISCHARGE UNDER THE NATIONAL POLLUTANT DISCHARGE ELIMINATIONSYSTEM

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. 20.6.4.98, 20.6.4.126 or 20.6.4.128 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.

  • NM0030759 - Final Permit (pdf) (398.71 KB)
  • NM0030759 - Response to Comments (pdf) (592.4 KB)
  • NM0030759 - Public Hearing Transcript (pdf) (95.55 KB)
  • NM0030759 - Draft Permit (pdf) (197.91 KB)
  • NM0030759 - Public Notice (pdf) (93.45 KB)
  • NM0030759 - Fact Sheet (pdf) (296.18 KB)
  • NM0030759 - Part III (pdf) (106.14 KB)
  • NM0030759 - Appendix A-E (pdf) (25.49 MB)
  • NM0030759 - Cover Letter (pdf) (44.75 KB)
  • NM0030759 - Public Meeting Power Point Presentation (pdf) (120.69 KB)
  • NM0030759 - Minor Modification Sept. 8, 2022 (pdf) (607.52 KB)
  • NM0030759 - EPA Comments on Initial SIP (pdf) (284.14 KB)
  • NM0030759 - Initial Sampling Implementation Plan (SIP) (pdf) (56.35 MB)
  • NM0030759 - SIP Approval and Minor Mod. Letter (pdf) (253.93 KB)
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Last updated on June 11, 2025
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