***Due to staffing shortages and high volume of permits, wastewater review timelines are now around 40 days. We are working hard to return to our normal 30-day turnaround as soon as possible.***
How can you help?
- Submit completed applications (incomplete applications delays the process)
- Submit full responses to information requests – partial packets will not be reviewed.
Please Note: if we have to request more information, the review clock starts over. We cannot expedite additional info reviews at this time.
Online Portals!
How do I know if my project is located in an impaired watershed? Watch video below.
Important Requirements if you are installing a septic system:
- A local wastewater treatment system permit is ALWAYS required before a system (non-public or public) is installed. Click here for the wastewater treatment system permit.
- Site evaluations must be performed by a Gallatin County Registered Site Evaluator (see list below) or a Professional Engineer registered in the state of Montana.
- A Gallatin County Registered Installer (see list below) must be on-site during the installation of every system.
Click here for the local Wastewater Treatment System Application Process
Types of Wastewater Treatment Systems:
Wastewater (Septic) Treatment
Our goal at the Gallatin City-County Health Department is to protect human health and the environment through proper treatment and disposal practices in Gallatin County. The department achieves this through education, individual registration, inspections, and a system for reporting and resolving problems.