GroundRosterMark JohnsonLicensed
| Name | Mark Johnson |
| License number | 14883 |
| License type | Septic System Installer |
| License status | Active — TDEC licensed |
| State | Tennessee |
| Service area | Conventional |
| Phone | (337) 378-2938 |
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What this license covers
- Installation / repair: licensed to build and install septic tanks and drainfields, and to repair or replace failed ones.
How to verify this license
We publish this listing exactly as it appears in Tennessee's official licensing records; we do not vouch for the business itself. Before hiring, look up license #14883 directly with the state, confirm it is still active, and ask for a current certificate of insurance.
Source: Tennessee Dept. of Environment & Conservation - Active Septic Installers & Pumpers, last checked 2026-08-17. Verify at the official source.
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