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)
Related permits:
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NPDES Permit, Grand Coulee Dam, Washington, #WA0024163 (PDF)(23 pp, 156 K,
June 2014)
Final permit.
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NPDES Permit Fact Sheet, Grand Coulee Dam, Washington, #WA0024163 (PDF)(40 pp, 418 K,
April 2014)
Provides technical basis for NPDES permit.
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Response to Comments, NPDES Permit for Grand Coulee Dam, Washington, #WA0024163 (PDF)(1 pg, 14 K,
June 2014)
EPA's responses to public comments received on the draft permit.