Simplifying Montana’s Permit Application Process

Gilly makes it easy to apply for permits when working in Montana’s Streams, Wetlands, Floodplains, and Other Water Bodies

REPORT A VIOLATION OR EMERGENCY

FOR LANDOWNERS & CONTRACTORS

Have a project near water?

If your work affects a Montana Stream, Wetland, Floodplain, and other water bodies, Gilly helps you plan, apply, and stay connected—making Montana’s permitting process simple and transparent.

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FOR CONSERVATION DISTRICTS

Tools for Conservation District Administrators

Streamline reviews, cut down on paperwork, and manage everything in one place. Gilly makes the 310 process easier for you and your community.

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GILLY INTERACTIVE MAP OF PERMITS IN MONTANA
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What Gilly Can Do for You

Gilly is Montana’s online permitting platform for projects that affect streams, wetlands, floodplains and other water bodies.

It helps applicants find the permits they may need, complete the joint application and keep project information organized in one place.

310 Permit applications are submitted directly through Gilly. Applications for other permits can be generated in Gilly, then downloaded and submitted by the applicant to the appropriate agency.

Find the right permits, prepare your applications and keep your project organized in one place. Get started.

One dashboard. Prepare and manage your permit applications in one place.

Screenshot of a Montana State Permits webpage showing three permits in progress for Bozeman Creek, Brackett Creek, and Brackett Creek again, with maps, permit details, applicant, landowner, contractor, location, and status.
  • Apply online for Montana 310 stream permits and Joint Application documents

    APPLY ONLINE

    Speed up the permitting process and submit documents in one secure place.

  • Faster processing for Montana 310 stream permit and joint applications

    SAVE TIME

    Save time by centralizing the permit application and reviewal process.

  • Manage stream permit files and application PDFs in one place

    ORGANIZE

    Keep your permit info in one place, save and print permit pdfs

  • Direct messaging with Conservation Districts for stream permit review

    STAY CONNECTED

    Communicate directly with your CD through Gilly

REPORT A VIOLATION OR EMERGENCY

Whether it’s emergency work you performed or a violation you observed.

Explore Real Permits Across Montana

The Gilly Permit Map offers a transparent view of 310 permitting activity across Montana. View data by stream name, project type, and status. Toggle between layers showing watershed boundaries, hydrographic data, and more, all in one dynamic map that helps you see the work shaping Montana’s waterways.

GILLY INTERACTIVE MAP OF PERMITS IN MONTANA

Map of Bozeman, Montana area with numerous green and blue location markers, including highways, parks, and landmarks.

CLICK MAP OF PERMITS

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