Below are EPA's National Pollutant Discharge Elimination System (NPDES) final permit and supporting documents for the U.S. Army Corps of Engineers Dworshak Reservior Nutrient Enhancement Pilot Project near Ahsahka, Idaho.
- Permit number: ID0028444
- Effective date: October 15, 2011
- Permit expires: September 30, 2016 (administratively extended)
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NPDES Permit, Dworshak Reservoir Nutrient Project, #ID00028444 (PDF)(23 pp, 160 K,
September 7, 2011)
Final Permit
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NPDES Permit Fact Sheet, Dworshak Reservoir Nutrient Project, #ID00028444 (PDF)(39 pp, 469 K,
March 2011)
Provides technical basis for NPDES permit.
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Response to Comments, Dworshak Reservoir Nutrient Project, #ID00028444 (PDF)(27 pp, 172 K,
August 2011)
EPA's responses to public comments on the March 2011 draft permit.
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Idaho Section 401 Certification, Dworshak Reservoir Nutrient Project, #ID00028444 (PDF)(8 pp, 223 K,
July 26, 2011)
State of Idaho's water quality certification under Section 401 of the Clean Water Act.