Septic systems in Montana
Permits, inspections, and records for septic systems.
Montana septic and subdivision review
Montana septic permits are issued by your county or city-county health department, with state DEQ review for subdivisions. Start here for the state rules, then contact the county sanitarian.
1 more option
- Montana DEQMontana's environmental agency: subdivision and septic review, water quality, air quality and mine reclamation.
Statewide What is this?
About septic systems
Find the state or local program responsible for septic permits, inspections, and system records. The responsible agency and application process depend on the state and property location.