Below are EPA's National Pollutant Discharge Elimination System (NPDES) municipal separate storm sewer system (MS4) final permit and supporting documents for the Idaho Transportation Department District 1 (ITD1) within the Coeur d'Alene Urbanized Area in Kootenai County, Idaho.
- Permit number: IDS028223
- Effective date: December 1, 2020
- Permit expires: September 30, 2025
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NPDES Stormwater Permit, Idaho Transportation Department District #1 MS4, #IDS028223 (PDF)(62 pp, 659 K,
October 28, 2020)
Final stormwater permit.
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NPDES Permit Fact Sheet, Idaho Transportation Department District #1 MS4, #IDS028223 (PDF)(59 pp, 4 MB,
May 2020)
Technical basis for permit.
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Response to Comments on Draft NPDES Permit, Idaho Transportation Department District #1 MS4, #IDS028223 (PDF)(18 pp, 2 MB,
October 2020)
EPA's responses to public comments on the May 2020 draft permit.
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Appendix B1: Stormwater Management Program Template, MS4 Permit #IDS028223 (PDF)(25 pp, 984 K)
Optional template for creating or revising Stormwater Management Program (SWMP) document.
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Appendix B2: Annual Report Form, MS4 Permit #IDS028223 (PDF)(21 pp, 795 K)
Format for annual report. Due no later than December 1 of each year.