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  • NPDES Permits Around the Nation
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NPDES Stormwater Permit for Joint Base Lewis-McChord MS4 in Washington

EPA is proposing to reissue this permit. We accepted comments on the draft permit from February 13 through May 15, 2023 (extended from March 30). The draft permit and supporting documents are available below.

Related Information
  • Enforcement and Compliance Online (ECHO) Detailed Facility Report for JBLM MS4
  • NPDES permits in Washington

Below are EPA's National Pollutant Discharge Elimination System (NPDES) municipal separate storm sewer system (MS4) permit and supporting documents for U.S. Department of Defense Joint Base Lewis-McChord (JBLM) in Washington.

Permit number: WAS026638


Current Permit

Effective date: December 25, 2013
Modified: February 1, 2015
Permit expires: September 30, 2018 (administratively continued)

  • 2015 NPDES Permit Modification, JBLM MS4, #WAS026638 (pdf) (610 KB, December 4, 2014)
    Modification to 2013 final permit.
  • 2013 NPDES Permit, JBLM MS4, #WAS026638 (pdf) (481.12 KB, August 22, 2013)
    2013 final permit.
  • NPDES Permit Modification Fact Sheet, JBLM MS4, #WAS026638 (pdf) (1.09 MB, August 2014)
    Provides technical basis for 2015 NPDES permit modification.
  • NPDES Permit Fact Sheet, JBLM MS4, #WAS026638 (pdf) (2.11 MB, January 2012)
    Provides technical basis for 2013 NPDES permit.
  • Response to Comments on Permit Modification, JBLM MS4, #WAS026638 (pdf) (517.05 KB, December 4, 2014)
    EPA's responses to comments on the August 2014 draft NPDES permit modification.
  • Response to Comments, JBLM MS4, #WAS026638 (pdf) (1.42 MB, August 22, 2013)
    EPA's responses to comments on the January 2012 draft NPDES permit.

Proposed Permit

EPA is proposing to reissue this permit. The draft permit and supporting documents are available below. We accepted public comments on the draft permit from February 13 through May 15, 2023 (extended from March 30).

  • Draft NPDES Permit, JBLM MS4, #WAS026638 (pdf) (1.09 MB, February 2023)
    Proposed stormwater permit.
  • NPDES Permit Fact Sheet, JBLM MS4, #WAS026638 (pdf) (2.12 MB, February 2023)
    Technical basis for stormwater permit.
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Last updated on June 7, 2023
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