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Environmental Health Department

The Missoula County Environmental Health Services focuses on the health and safety of Missoula County residents both indoors and outdoors. Here are some of the resources we focus on for healthy living:

Air Quality

The Air Quality Division monitors ambient air quality in Missoula and administers the Missoula City-County Air Pollution Control Program to protect public health and keep our air clean.  The Air Quality Division works to reduce pollution from industrial sources, outdoor burning, wood stoves, motor vehicles and unpaved roads.  The Air Division also issues public health advisories during wildfire smoke events and Air Pollution Alerts and Warnings during winter pollution episodes.  

Missoula Valley Water Quality District

Established in 1993, The Missoula Valley Water Quality District is charged with protecting and improving groundwater and surface water resources in the Missoula Valley. The District accomplishes this through education, monitoring, clean-up advocacy and oversight, proper household hazardous waste management, stormwater and wastewater improvements and riparian protection. 

Recycling & Hazardous Waste Disposal

The Water Quality District and its partners offers Annual Household Hazardous Waste collection events so that people can properly dispose of hazardous waste and provides educational materials to help people choose less toxic and non-toxic products. This helps keep our groundwater and surface water clean.

Septic Systems & Wells

Sewage is a potential source of contamination. Many homes in the county have on-site wastewater disposal systems that dispose of sewage into the ground. Gradually that sewage, if not properly treated, can contaminate our drinking water. The design, construction and location of on-site wastewater disposal systems are regulated to ensure that drinking water quality is not negatively impacted by the placement and design of these systems.

Subdivision

Missoula City-County Health Department (MCHHD), Environmental Health Division contracts with the Department of Environmental Quality to do Subdivision Review.  In that capacity, MCCHD applies the state regulations that apply to Subdivisions