SIMPLIFYING MONTANA’S PERMIT APPLICATION PROCESS

Gilly makes Montana’s stream permitting process easier to understand, helping you complete your application and keep your project information organized.

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FOR LANDOWNERS & CONTRACTORS

Need help navigating the permitting process?

Gilly helps you understand the process, complete your application and keep your project information organized.

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FOR CONSERVATION DISTRICTS

Tools for Conservation District Administrators

Review applications, communicate with applicants and manage 310 Permit information in one place.

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MONTANA STREAM PERMITTING

Stream-related work may require more than one permit and review by more than one agency.

Participating agencies created the Joint Application Form to reduce duplicate paperwork, improve coordination and streamline the application process for several stream-related permits.

WHAT DOES GILLY DO?

Gilly makes it easier to understand Montana’s stream permitting process,
complete the Joint Application Form online and apply for a 310 Permit.

  • YOUR PROJECT

    Gilly helps you understand what information you may need before you begin.

  • COMPLETE THE JOINT APPLICATION FORM IN GILLY

    Work through the form in Gilly, save your progress and return anytime.

  • ADD PERMIT-SPECIFIC INFORMATION

    The Joint Application Form includes additional questions for the participating permits that apply to your project.

  • TAKE THE RIGHT NEXT STEP

    Submit your 310 application through Gilly, or download other participating applications to submit to the appropriate agency.

HOW GILLY MAKES THE PROCESS SIMPLER

  • GUIDANCE ALONG THE WAY

    Help understanding application questions and what information is needed.

  • SAVE YOUR PROGRESS

    Stop, return and pick up where you left off.

  • KEEP ORGANIZED

    Keep project details, documents and applications together in one place.

  • STAY CONNECTED

    Communicate with your Conservation District through Gilly.

  • REUSE YOUR PROJECT INFORMATION

    Reuse information you’ve already entered when additional permits apply.

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Gilly brings 310 Permit activity together in one statewide map, making it easier to see where projects are happening and how they relate to Montana’s waterways.

  • See projects by stream, project type and status

  • View watershed and hydrographic layers for added context

  • Explore 310 activity across Conservation Districts and communities

EXPLORE THE MAP →

SEE 310 PERMIT ACTIVITY ACROSS MONTANA

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

Emergency Work or a Possible Violation?

If you performed emergency work near a stream OR need to report a possible violation, start here.

REPORT AN EMERGENCY OR VIOLATION