Stormwater Compliance in Montana - CGP, IGP, MS4 - Construction General Permit, Industrial General Permit, MS4 Permit, SWPPPs, BMPs

Montana

stormwater compliance > montana

Montana Stormwater Compliance Requirements for NPDES:

NPDES & Stormwater Permit Overview:
https://deq.mt.gov/water/assistance

Construction General Permit (CGP):
https://deq.mt.gov/files/Water/WQInfo/Documents/2021%20Public%20Notices/PN-MT_21-31/FINAL/2023-FPER-MTR100000-S%20Sign.pdf

Industrial General Permit (IGP):
https://deq.mt.gov/files/Water/WQInfo/Documents/2022%20Public%20Notices/PN-MT-22-02/FINAL/2022_FPER_MTR000000_S%20Sign.pdf

Municipal Separate Storm Sewer System (MS4) General Permit:
https://deq.mt.gov/files/Water/WQInfo/Documents/2022%20Public%20Notices/PN-MT-22-11/2022_FPER_MTR040000_MOD_S%20Sign.pdf

Montana SWPPP Information, Training, Template, Checklist, Requirements, Certification, Plan, Inspection:

Construction SWPPP:
https://deq.mt.gov/water/assistance

Industrial SWPPP:
https://deq.mt.gov/files/Water/WQInfo/Documents/MT-17-09/MT%2017-092017_DPER_MTR100000_edited.pdf

Stormwater State Agency Contact:

Deanna Tarum (dtarum@mt.gov)
Stormwater Contact
Montana Department of Environmental Quality
PO Box 200901
Helena, MT 59620-0901
Phone: (406) 444-5546

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Stormwater Compliance for SIC Codes:

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