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Septic Registry

Licensed septic companies in Johnston County, Oklahoma

1 business on Oklahoma’s septic licensing records gives Johnston County as its address, alongside 1 individually licensed onsite professional.

Licensed businesses based in Johnston County

Individually licensed onsite professionals in Johnston County

Oklahoma 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 Johnston County
NameLicenceCityExpires
Ron RoweSubsurface absorption · Lagoon · Aerobic with spray dispersalNo. 106TishomingoNot stated

Who handles septic permits in Johnston County

Oklahoma DEQ certifies installers and publishes the whole list. A certified installer may inspect their own installation and backfill without waiting for a DEQ inspector, which is why the certification is worth checking rather than assuming.

How to verify a septic licence before you hire →

Towns in Johnston County

Where in the county each licensed business is based.

Licensed companies in neighbouring counties

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

Records as published August 26, 2026. A licence can lapse at any time — confirm with DEQ's own certified installer list before hiring. Report a correction.