Missouri septic system permits (MO)
In Missouri the county health department or the state permits onsite wastewater systems. Start here for the rules, the permit and the registered installer list.
Missouri septic system permits
Jump to
What you can look up here
- Septic systemsPermits, inspections, and records for septic systems.
- Environmental conditionsContamination, tanks, spills, and permitted facilities near a site.
About this resource
- Provided by
- Missouri Department of Health and Senior Services (official)
- Covers
- Missouri statewide
- Link status
- Opened normally at the last check
- Link checked
- Oct 20, 2026
- Web address
- https://health.mo.gov/business-professionals/onsite-wastewater-treatment
More for Missouri
- Missouri property taxProperty records · Property taxes
- Missouri Department of Natural ResourcesWetlands
- Missouri floodplain and flood mapsFlood zones
- Missouri State ArchivesPlats
- Missouri building code and construction permitsBuilding permits
- Missouri state landsPublic land
- Missouri food assistanceFood assistance (SNAP and EBT)
- Missouri unemployment benefitsUnemployment benefits
- Missouri statewide mapCounty GIS map · Aerial imagery
- Missouri GIS data downloadsAerial imagery · Elevation · GIS data downloads · Land cover · Addresses and 911 numbers
- Missouri water wells and water rightsLakes and water · Wells
- Missouri Geological SurveyElevation · Soils · Hazards and emergency information