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)

• NPDES Permit, Tulalip WWTP, #WA0024805 (PDF)(23 pp, 134 K, September 21, 2009)
  Final permit.
• NPDES Permit Fact Sheet, Tulalip WWTP, #WA0024805 (PDF)(52 pp, 605 K, August 2009)
  Provides technical basis for NPDES permit.