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NPDES Permit for Toppenish Wastewater Treatment Plant in Washington

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

Permit number: WA0026123
Effective date: July 1, 2013
Permit expires: June 30, 2018

NPDES Permit, City of Toppenish, #WA0026123 (pdf) (182.11 KB, May 23, 2013)
Final permit.
NPDES Permit Fact Sheet, City of Toppenish, #WA0026123 (pdf) (537.48 KB, September 2012)
Provides technical basis for NPDES permit.
Response to Comments, City of Toppenish, #WA0026123 (pdf) (486.92 KB, May 2013)
EPA's responses to comments on the September 2012 draft permit.