NPDES Permit for Tulalip Wastewater Treatment Plant on the Tulalip Reservation

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

Permit number: WA0024805

Current permit

Effective date: November 1, 2009
Permit expires: October 31, 2014 (administratively continued)

• NPDES Permit, Tulalip Tribes of Washington, #WA0024805 (pdf) (131.05 KB, September 21, 2009)
  Final wastewater permit.
• NPDES Permit Fact Sheet, Tulalip Tribes of Washington, #WA0024805 (pdf) (590.81 KB, August 2009)
  Provides technical basis for NPDES permit.

Proposed permit

We are accepting public comments on the draft permit from October 19 through November 18, 2026. Copies of the draft permit and supporting documents are available on this page below.

• Draft NPDES Permit, Tulalip WWTP, Tulalip Reservation, #WA0024805 (pdf) (571.91 KB, October 2026)
• NPDES Permit Fact Sheet, Tulalip WWTP, Tulalip Reservation, #WA0024805 (pdf) (1.52 MB, October 2026)