401 WATER QUALITY CERTIFICATION
A 401 Water Quality Certification may be required for a federally permitted or licensed activity that may result in a discharge to state waters, including wetlands.
AGENCY: Montana Department of Environmental Quality (DEQ)
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WHO NEEDS A 401 WATER QUALITY CERTIFICATION?
A 401 Water Quality Certification may apply when a project requires a federal permit or license for an activity that may result in a discharge to state waters, including wetlands.
Whether an individual 401 Certification is required depends on the federal authorization involved.
HOW TO APPLY FOR A 401 WATER QUALITY CERTIFICATION
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BEFORE YOU START:
See what information, photos, plans and project details may be helpful to have ready. You can start your application and return anytime.
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1. COMPLETE THE JOINT APPLICATION FORM IN GILLY
Create an account and begin your application.
Gilly guides you through the project information and any additional questions required for the permit.
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2. FOLLOW THE 401 CERTIFICATION REQUIREMENTS
Whether an individual 401 Certification is required depends on the federal permit or license involved.
If an individual certification is required, submit the completed Joint Application Form and required fee to Montana DEQ according to DEQ instructions.
401 Certification applications are not submitted through Gilly.
401 CERTIFICATION PROJECT EXAMPLES MAY INCLUDE:
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DREDGED OR FILL MATERIAL
Placement of dredged or fill material in state waters or wetlands
Structural fill such as culverts or bridge supports
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ROADS & UTILITY CROSSINGS
Road crossings
Utility crossings
Culverts and bridge-related work
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STREAM & WETLAND PROJECTS
Dredging or excavation
Bank stabilization
Stream channel relocation
Wetland filling, draining or excavation
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DAMS, DIVERSIONS & FLOW CHANGES
Water diversions
Dams, weirs, dikes or levees
Other activities that change the natural flow or bed of state waters