Montana Department of Transportation

Malcolm “Mack” Long, Director


View the Governor’s Coronavirus Task Force site for more information.

Montana Department of Transportation


Environmental Services Bureau Programs

Engineering Section - District Project Development Engineers

Compliance with Montana and National Environmental Policy Acts (MEPA and NEPA), Clean Water Act Permitting, Tribal Water Resources Permits, Municipal Separate Storm Water Systems (MS4), Erosion Control, Construction and Temporary Facilities Permitting, Compliance Assistance, Post Construction Vegetation and Project Closeout

Phone: 406-444-9412

Resources Section - District Biologists

Threatened and endangered species investigations, state and federal species of special concern investigations, wetland determinations and delineations, general wildlife and fisheries surveys, Montana Stream Protection Act (SPA 124) applications.

Phone: 406-444-7227

Wetland Mitigation

Wetland Mitigation, Design, Assessments, and Monitoring

Wetland Mitigation Specialist
Phone: 406-444-6224


Wetland Engineer
Phone: 406-444-7273

Cultural Resources

Historic bridges, Historic Marker Program, historic sites, gravel pits, archeological sites, human remains, fossils.

Phone: 406-444-6258

Ryan Wendel

Phone: 406-444-0455

Remediation & Assessment Section

The section serves the Department to assist and manage a wide range of contamination issues that affect the Department as well as evaluating traffic noise and air quality impacts. Work involves management of a variety of hazardous waste, solid waste, and water quality issues, and includes underground storage tank removals, subsurface investigations, remedial activities, asbestos inspections, and regulatory compliance assistance.

If you are a consultant for MDT, take a look at our Initial Site Assessment Form.

Phone: 406-444-9204