Skip to content
Septic Registry

Licensed septic companies in Newton County, Missouri

119 businesses on Missouri’s septic licensing records give Newton County as its address, alongside 3 individually licensed onsite professionals.

102 registered owts installers →25 registered onsite soil evaluators →3 registered onsite wastewater professionals →

Licensed businesses based in Newton County

Individually licensed onsite professionals in Newton County

Missouri licenses people as well as companies. These are the named professionals the state has licensed, listed with the licence they hold and when it expires. They are usually employed by one of the businesses above.

Licensed onsite professionals in Newton County
NameLicenceCityExpires
Dalton GoodenBasic InstallerNo. 39231—September 30, 2027
Donna ConduffOnsite Soil EvaluatorNo. 50221NeoshoSeptember 30, 2028
Duff CalkinsOnsite Soil EvaluatorNo. 51238SenecaApril 30, 2027

Who handles septic permits in Newton County

Missouri registers the individual installer and records the counties they serve. Your local health authority permits the system itself, and in some counties runs its own additional requirements on top.

How to verify a septic licence before you hire →

Licensed companies in neighbouring counties

A Missouri septic licence is valid statewide, so a company listed in an adjoining county can legally do the work in Newton County.

Records as published August 26, 2026. A licence can lapse at any time — confirm with Missouri DHSS, or the state's own published registration data before hiring. Report a correction.