NPDES Permit for Wellpinit Wastewater Treatment Plant on the Spokane Indian Reservation

Below are EPA's National Pollutant Discharge Elimination System (NPDES) final permit and supporting documents for the Wellpinit wastewater treatment plant on the Spokane Reservation in Washington.

• Permit number: WA0025704
• Effective date: April 1, 2019
• Permit expires: March 31, 2024

• NPDES Permit, Wellpinit WWTP, Spokane Reservation, #WA0025704 (pdf) (271.94 KB, December 19, 2018)
  Final wastewater permit.
• NPDES Permit Fact Sheet, Wellpinit WWTP, Spokane Reservation, #WA0025704 (pdf) (2.16 MB, Revised December 2018)
  Technical basis for NPDES permit.
• Response to Comments, Wellpinit WWTP, Spokane Reservation, #WA0025704 (pdf) (115.29 KB, November 26, 2018)
  EPA's responses to public comments on the October 2018 draft NPDES permit.