Below are EPA's proposed National Pollutant Discharge Elimination System (NPDES) final permit and supporting documents for the U.S. Fish and Wildlife Service's Leavenworth National Fish Hatchery discharging to Icicle Creek in Leavenworth, Washington.

• Permit number: WA0001902
• Effective date: January 1, 2018
• Permit expires: December 31, 2022

• NPDES Permit, Leavenworth National Fish Hatchery, Washington, #WA0001902 (PDF)(94 pp, 932 K, November 22, 2017)
  Final permit.
• NPDES Fact Sheet, Leavenworth National Fish Hatchery, Washington, WA0001902 (PDF)(93 pp, 3 MB, December 2016)
  Provides technical basis for NPDES permit.
• Response to Comments, Leavenworth National Fish Hatchery NPDES Permit, #WA0001902 (PDF)(41 pp, 202 K, November 22, 2017)
  EPA's responses to public comments on the December 2016 draft permit.
• 401 Certification, Leavenworth National Fish Hatchery NPDES Permit, #WA0001902 (PDF)(5 pp, 237 K, November 22, 2017)
  Letter from Washington Department of Ecology providing final Clean Water Act Section 401 Certification.
• Response to Comment on 401 Certification (CELP/WFC), Leavenworth National Fish Hatchery NPDES Permit, #WA0001902 (PDF)(2 pp, 105 K, November 22, 2017)
  Washington Department of Ecology's response to comments received on their Clean Water Act Section 401 Certification.
• Response to Comment on 401 Certification (DOI), Leavenworth National Fish Hatchery NPDES Permit, #WA0001902 (PDF)(1 pg, 80 K, November 22, 2017)
  Washington Department of Ecology's response to comments received on their Clean Water Act Section 401 Certification.
• Antidegradation Evaluation for Leavenworth National Fish Hatchery NPDES Permit (PDF)(7 pp, 109 K, June 2017)
  Ensures compliance with antidegradation requirements in applicable state and tribal water quality standards.
• Foreword to 2015 Biological Evaluation for Washington Fish Hatchery NPDES General Permit ESA Consultation (PDF)(54 pp, 2 MB, October 18, 2016)
  Includes updated information relevant to the Leavenworth National Fish Hatchery.