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.

GET STARTED

Already have an account? SIGN IN

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.

LEARN MORE

Already working with Gilly? HELP CENTER

What Gilly Can Do for You

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

It puts the entire permitting process online in a simple, fast, and transparent manner for landowners, contractors, and conservation partners.

Find the right permits, complete applications online, and keep everything organized in one place. Get started.

One dashboard. Every application. All in one place.

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 (click map to view map)