NPDES Permit for Dworshak Reservoir Nutrient Enhancement Pilot Project in Idaho

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)

• NPDES Permit, Dworshak Reservoir Nutrient Project, #ID00028444 (pdf) (156.66 KB, September 7, 2011)
  Final Permit
• NPDES Permit Fact Sheet, Dworshak Reservoir Nutrient Project, #ID00028444 (pdf) (458.21 KB, March 2011)
  Provides technical basis for NPDES permit.
• Response to Comments, Dworshak Reservoir Nutrient Project, #ID00028444 (pdf) (168.22 KB, August 2011)
  EPA's responses to public comments on the March 2011 draft permit.
• Idaho Section 401 Certification, Dworshak Reservoir Nutrient Project, #ID00028444 (pdf) (217.91 KB, July 26, 2011)
  State of Idaho's water quality certification under Section 401 of the Clean Water Act.