The Department contracts with the Montana Department of Environmental Quality to review proposed subdivisions for compliance with the Sanitation in Subdivisions Act and related administrative rules. The program conducts reviews of subdivided lots less than 20 acres for provision of adequate water and sewer facilities.

Montana DEQ Subdivision Information

76-4, Part 1 MCA Sanitation in Subdivision Laws

ARM 17.36 Subdivision/On-Site Subsurface Wastewater Treatment Rules

1035 1st Ave West
Kalispell, MT 59901 – 2nd Floor

406-751-8130 main line                                 Office Hours
406-751-8131 fax                                            Monday, Tuesday, Thursday, Friday 8 am -5 pm
406-751-8144 air quality line                          Wednesday Closed 8:00am -9:30am Open 9:30am -5 pm