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.
- Site evaluations must be performed by a Gallatin County Registered Site Evaluator or a Professional Engineer registered in the state of Montana.
- A Gallatin County Registered Installer must be on-site during the installation of every system.
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.