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  • NPDES Permits Around the Nation
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NPDES Stormwater Permit for Pocatello Urbanized Area in Idaho

Transfer of permitting authority to Idaho. As of July 1, 2021, EPA has transferred authority to administer and enforce this permit to the Idaho Department of Environmental Quality. For more information, visit Idaho Pollutant Discharge Elimination System (IPDES) Program.

Related Information
  • Enforcement and Compliance Online (ECHO) Detailed Facility Report for Pocatello MS4
  • Stormwater Discharges from Municipal Sources in Idaho and Washington

Below are EPA's National Pollutant Discharge Elimination System (NPDES) municipal separate storm sewer system (MS4) final permit and supporting documents for the following entities in the Pocatello Urbanized Area:

  • City of Pocatello
  • City of Chubbuck
  • Bannock County
  • Idaho Transportation Dept. District #5
  • Idaho State University
Permit number: IDS028053
Effective date: October 1, 2019
Modified: December 15, 2020, and June 7, 2021

Permit expires: September 30, 2024


  • NPDES Permit, Pocatello Urbanized Area MS4s, Idaho, #IDS028053 (pdf) (816.22 KB, Modified December 15, 2020 and June 7, 2021)
    Final stormwater permit.
  • Appendix B1: Stormwater Management Program Template, MS4 Permit #IDS028053 (pdf) (895.59 KB)
    Optional template for creating or revising Stormwater Management Program (SWMP) document.
  • Appendix B2: Annual Report Form, MS4 Permit #IDS028053 (pdf) (670.62 KB)
    Format for annual report. Due no later than December 1 of each year.
  • Appendix C1: Stormwater Monitoring Plan, MS4 Permit #IDS028053 (pdf) (2.27 MB, June 2020)
  • Appendix C2: Quality Assurance Project Plan, MS4 Permit #IDS028053 (pdf) (1.18 MB, June 2020)
  • NPDES Permit Fact Sheet (2021 Modification), Pocatello Urbanized Area MS4s, Idaho, #IDS028053 (pdf) (801.61 KB, April 2021)
    Technical basis for 2021 permit modification.
  • NPDES Permit Fact Sheet (2020 Modification), Pocatello Urbanized Area MS4s, Idaho, #IDS028053 (pdf) (447.37 KB, October 2020)
    Technical basis for 2020 permit modification.
  • NPDES Permit Fact Sheet, Pocatello Urbanized Area MS4, Idaho, #IDS028053 (pdf) (1.36 MB, November 2018)
    Technical basis for original permit.
  • Response to Comments on Draft NPDES Permit for Pocatello Urbanized Area MS4s, #IDS028053 (pdf) (4.45 MB, June 2019)
    EPA's responses to public comments on the November 2018 draft permit.
Contact Us to ask a question, provide feedback, or report a problem.
Last updated on July 26, 2021
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