Sewage and Septic Information

Sewage Treatment System Services

Activities of this program deal with compliance with the Flathead County Regulations for Sewage Treatment Systems. Permitting, site evaluations and inspection of sewage treatment installations are the primary program activities.

Ground Water Monitoring Information

Environmental Health Services Contact Info

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