NPDES Stormwater Permit for Joint Base Lewis-McChord MS4 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)
- 2013 NPDES Permit, JBLM MS4, #WAS026638 (pdf)
- NPDES Permit Modification Fact Sheet, JBLM MS4, #WAS026638 (pdf)
- NPDES Permit Fact Sheet, JBLM MS4, #WAS026638 (pdf)
- Response to Comments on Permit Modification, JBLM MS4, #WAS026638 (pdf)
- Response to Comments, JBLM MS4, #WAS026638 (pdf)
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).