NPDES Permit for Suquamish Wastewater Treatment Plant in Washington

Below are EPA's National Pollutant Discharge Elimination System (NPDES) permit and supporting documents for the Suquamish Wastewater Treatment Plant on the Port Madison Indian Reservation in Washington.

• Permit number: WA0023256
• Effective date: June 1, 2008
• Permit expires: May 31, 2013 (administratively continued)

Current Permit

• NPDES Permit, Suquamish WWTP, #WA0023256 (pdf) (123.69 KB, May 8, 2008)
  Final permit.
• NPDES Permit Fact Sheet, Suquamish WWTP, #WA0023256 (pdf) (490.84 KB, March 2008)
  Technical basis for permit.

Proposed Permit

EPA is proposing to reissue this permit. We initially accepted public comments on the draft permit from September 19 through November 6, 2019 (extended from October 21). In May 2024, EPA re-proposed the draft permit with new and revised conditions. We accepted public comments on the revised draft permit from May 14 through June 13, 2024. Copies of both draft permits and supporting documents are available below.

• Revised Draft NPDES Permit, Suquamish WWTP, Washington, #WA0023256 (pdf) (654.95 KB, May 2024)
  Proposed permit with new and revised conditions from the 2019 draft permit.
• NPDES Permit Fact Sheet Addendum, Suquamish WWTP, Washington, #WA0023256 (pdf) (191.39 KB, May 2024)
  Technical basis for new and revised conditions in the revised draft permit.
• Draft NPDES Permit, Suquamish WWTP, Kitsap County, Washington, #WA0023256 (pdf) (200.52 KB, September 2019)
  Proposed wastewater discharge permit.
• NPDES Permit Fact Sheet, Suquamish WWTP, Kitsap County, Washington, #WA0023256 (pdf) (1.23 MB, September 2019)
  Technical basis for draft permit.