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NPDES Permit for Grand Coulee Dam Wastewater Treatment Plant in Washington

Below are EPA's National Pollutant Discharge Elimination System (NPDES) final permit and supporting documents for the U.S Bureau of Reclamation Grand Coulee Dam Wastewater Treatment Plant discharging to the Columbia River in Washington.

Permit number: WA0024163
Effective date: August 1, 2014
Permit expires: July 31, 2019 (administratively continued)

NPDES Permit, Grand Coulee Dam, Washington, #WA0024163 (pdf) (152.23 KB, June 2014)
Final permit.
NPDES Permit Fact Sheet, Grand Coulee Dam, Washington, #WA0024163 (pdf) (408.02 KB, April 2014)
Technical basis for April 2014 draft permit.
Response to Comments, NPDES Permit for Grand Coulee Dam, Washington, #WA0024163 (pdf) (13.52 KB, June 2014)
EPA's responses to public comments received on the draft permit.