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Individual Permit

The Individual Permit authorizes the discharge of storm water associated with historical industrial activities at LANL from specified solid waste management units and areas of concern, collectively referred to as Sites.
  • Canada del Buey
  • Gage station in Mortandad Canyon
  • Pajarito Canyon
  • Sandia Canyon
  • Willows planted for bank stabilization in Pueblo Canyon
  • Willows planted for bank stabilization in Pueblo Canyon

What's New

Documents submitted to EPRR in last 30 Days

May 15, 2015 Submittal of the 2015 Monitoring Plan for Los Alamos/Pueblo Watershed Sediment Transport Mitigation Project

May 15, 2015 Submittal of the 2014 Monitoring Report for Los Alamos Pueblo Watershed Sediment Transport Mitigation Project

May 6, 2015  Alternative Compliance Request for 52 Site Monitoring Area/Site Combinations Exceeding Target Action Levels from Nonpoint Sources

May 6, 2015  Alternative Compliance Request for 19 Site Monitoring Area/Site Combinations Exceeding Target Action Levels for Gross-Alpha Radioactivity

April 30, 2015-2014 Update to the Site Discharge Pollution Prevention Plan Revision 1; Overview

April 30, 2015-2014 Update to the Site Discharge Pollution Prevention Plan; Revision 1; Volume 1; Los Alamos/Pueblo Watershed

April 30, 2015-2014 Update to the Site Discharge Pollution Prevention Plan; Revision 1; Volume 2; Sandia/Mortandad Watershed

April 30, 2015-2014 Update to the Site Discharge Pollution Prevention Plan; Revision 1; Volume 3; Pajarito Watershed

April 30, 2015-2014 Update to the Site Discharge Pollution Prevention Plan; Revision 1; Volume 4; Water/Canon de Valle Watershed

April 30, 2015-2014 Update to the Site Discharge Pollution Prevention Plan; Revision 1; Volume 5; Ancho/Chaquehui Watershed

April 29, 2015 Submittal of the Sandia Wetland Performance Report Performance Period April 2014-December 2014

April 28, 2015 Tuesday IP Public Meeting for Storm Water, Cities of Gold Conference Center in Pojoaque, NM 5:30 p.m. to 7:30 p.m. (pdf)

April 20, 2015, LA-UR-15-21267: Surface Water Data at Los Alamos National Laboratory Water Year 2013

April 16, 2015,  NPDES Permit No. NM0030759; Submittal of Completion of Corrective Action at Site 00-018(a) in P-SMA-3.05 and Completion of Corrective Action at Sites 73-002 and 73-003 in P-SMA-2

What is the Individual Permit for Storm Water?

The Permit - NPDES No. NM0030759 - was issued by the U.S. Environmental Protection Agency, Region 6, on September 30, 2010 to Los Alamos National Security, LLC and the U.S. Department of Energy (the Permittees). The Individual Permit became effective on November 1, 2010.

The Permit contains nonnumeric technology-based effluent limitations, coupled with a comprehensive, coordinated inspection and monitoring program, to minimize pollutants in the Permittees’ storm water discharges associated with historical industrial activities from specified SWMUs and AOCs. The Permittees are required to implement site-specific control measures (including best management practices [BMPs]) to address the nonnumeric technology-based effluent limits, as necessary, to minimize pollutants in their storm water discharges.

The Permit establishes target action levels (TALs) that are equivalent to New Mexico State water-quality criteria. These TALs are used as benchmarks to determine the effectiveness of control measures implemented under the Permit. That is, confirmation monitoring sample results for an SMA are compared with applicable TALs. If one or more confirmation monitoring result exceeds a TAL, the Permittees must take corrective action. The Permit requires that the Permittees either certify to EPA completion of corrective action at each Site by a specific deadline or seek to place individual Sites into alternative compliance, whereby completion of corrective action will be accomplished on a case-by-case basis pursuant to an individually tailored compliance schedule determined by EPA.

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