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NPDES Stormwater Permit for Idaho Falls and Idaho Transportation Department District #6 MS4s

Below are EPA's National Pollutant Discharge Elimination System (NPDES) municipal separate storm sewer system (MS4) final permit and supporting documents for the City of Idaho Falls and the Idaho Transportation Department District #6 (co-permittees) within the Idaho Falls Urbanized Area.

  • Permit number: IDS028070
  • Effective date: October 1, 2020
  • Permit expires: September 30, 2025
Related permits:

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