Sewage and Septic Information

When submitting a septic system application, please include a detailed site plan, payment, and any documents that may be pertinent to your property. Checks are to be made payable to FCCHD.

There are several options for submission:

• To mail your application:

  • Flathead County Environmental Health Department, 1035 First Ave W, Kalispell MT 59901

• To e-mail your application:

  • ehealth@flathead.mt.gov

• Pay over the phone with a credit card

  • 406-751-8130

•  Drop off your application with check in our drop box at 40 11th St W. Suite 210, Kalispell MT 59901 or in-person and pay with a variety of methods.

The Land Research Request Form is to be filled out for all inquiries about a specific property. These will be automatically emailed to us and addressed in the order received.

• Self Lookup Permitted Septic Systems

• Permit Application Procedure 2021

  • Commercial Evaluation and Septic System Application Updated 4.23.2021

  • Residential Evaluation and Septic System Application Updated 4.23.2021

  • Septic Application Process

• Septic Fee Schedule Updated 4.22.2021

• Deed Restriction for Level 2 Septic System

• Flathead County Licensed Septic System Installers Updated 3.10.21

• Owner/Self Installed Policy

• Variance Application

• Variance Application Checklist

For more information about the septic permit approval process, please visit the Septic System Permitting Process Website.

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.

• • Flathead County Regulations for Sewage Treatment Systems (pdf)Updated 2-2016

  • Sewage Treatment System Design and Construction Standards (pdf) Updated 3-2018

  • Study Guide for Self Installers

• Site Plan 

• Typical Layout and Setback Distances

• Standard Concrete Septic Tank with Pump & Siphon Chambers 

• Metal Marker for Ends of Pressure Distribution Laterals

• Elevated Sand Mound

• Ground Water Monitoring Policy

• Ground Water Monitoring Application/Instructions and Measurement Log

• Ground Water Monitoring Downloads

• Septic System Pumping- Financial Assistance

• Consultant List (PDF)

• Your Septic System (pdf)

• Homeowners guide to septic systems(PDF format)

• Homeowner septic system checklist(PDF format)

• EPA’s septic website

• Pump Design Worksheet Excel

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

Email: ehealth@flathead.mt.gov

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