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Septic Registry

Licensed septic companies in Webster County, Missouri

183 businesses on Missouri’s septic licensing records give Webster County as its address, alongside 2 individually licensed onsite professionals.

148 registered owts installers →49 registered onsite soil evaluators →2 registered onsite wastewater professionals →

Licensed businesses based in Webster County

Individually licensed onsite professionals in Webster 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 Webster County
NameLicenceCityExpires
Jerry Mackey JrAdvanced InstallerNo. 30578MarshfieldOctober 31, 2028
Jonathan ParkerOnsite Soil EvaluatorNo. 50956—February 29, 2028

Who handles septic permits in Webster 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 Webster 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.