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NPDES Permit for Tulalip Wastewater Treatment Plant in Washington

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

Permit number: WA0024805
Effective date: January 1, 2025
Permit expires: December 31, 2029

NPDES Permit, Tulalip Tribes of Washington, #WA0024805 (pdf) (507.68 KB, August 8, 2024)
Final wastewater permit.
Response to Comments on Draft NPDES Permits for Tulalip Tribes of Washington WWTP, #WA0024805 (pdf) (263.88 KB, August 2024)
EPA's responses to public comments on its 2021 and 2023 draft permits.
NPDES Permit Fact Sheet Addendum, Tulalip Tribes of Washington, #WA0024805 (pdf) (538.04 KB, October 2023)
Technical basis for revisions to 2021 draft permit.
NPDES Permit Fact Sheet, Tulalip Tribes of Washington, #WA0024805 (pdf) (1.47 MB, April 2021)
Technical basis for 2021 draft permit.