An official website of the United States government.

This is not the current EPA website. To navigate to the current EPA website, please go to www.epa.gov. This website is historical material reflecting the EPA website as it existed on January 19, 2021. This website is no longer updated and links to external websites and some internal pages may not work. More information »

NPDES Permit for Tulalip Wastewater Treatment Plant in Washington

Below are EPA's National Pollutant Discharge Elimination System (NPDES) final permit and supporting documents for the Tulalip Tribes of Washington Wastewater Treatment Plant discharging to Possession Sound (Puget Sound) within the Tulalip Indian Reservation in Washington.

  • Permit number: WA0024805
  • Effective date: November 1, 2009
  • Permit expires: October 31, 2014 (administratively extended)

You may need a PDF reader to view some of the files on this page. See EPA’s About PDF page to learn more.