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NPDES Permit for Midnite Mine in Washington

Below are EPA's National Pollutant Discharge Elimination System (NPDES) final permit and supporting documents for the Dawn Mining Company Midnite Mine discharging to the Spokane Arm of Lake Roosevelt on the Spokane Indian Reservation in eastern Washington.

  • Permit number: WA0026841
  • Effective date: January 1, 2019
  • Permit expires: December 31, 2023

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