Septic Permits
+ Subdivision Review

RiverStone Health reviews subdivision plat and certificate of survey applications. Parcels less than 20 acres in size are subject to the Montana Department of Environmental Quality (DEQ) review and approval process. Parcels 20 acres or more are subject to the local review process. The review fee is based on the complexity of the submittal, including the type of water and sewer system required. Reviews may take up to 55 days to process.

DEQ Subdivision Review Forms and Checklists (for parcels less than 20 acres)

• State of Montana Subdivision Review form

Local Subdivision Review Forms and Checklists (for parcels 20 acres or more)

• Sanitary Approval Checklist
• Local Review Fees
• Sample Lot Layout