NPDES Permit for Wapato Wastewater Treatment Plant in Washington

Below are EPA's National Pollutant Discharge Elimination System (NPDES) final permit and supporting documents for the City of Wapato Wastewater Treatment Plant discharging to the WIP Drain 2 on the Yakama Indian Reservation in Washington.

• Permit number: WA0050229
• Effective date: November 11, 2011
• Permit expires: October 31, 2016 (administratively extended)

• NPDES Permit, City of Wapato, #WA0050229 (pdf) (September 12, 2011)
  Final permit.
• NPDES Permit Fact Sheet, City of Wapato, #WA0050229 (pdf) (May 2011)
  Provides technical basis for NPDES permit.
• Response to Comments, City of Wapato, #WA0050229 (pdf) (August 2011)
  EPA's responses to comments on the May 2011 draft permit.