Well & Septic ProsDawn TuomalaLicensed
| Name | Dawn Tuomala |
| License number | 00638 |
| License type | Professional Engineer, Septic System Designer |
| License status | Active — NH DES Designer/Installer roster |
| Location | Merrimack, New Hampshire 03054 |
| Phone | (603) 424-5137 |
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What this license covers
- Design: licensed to size and lay out a septic system for a specific site and soil condition.
How to verify this license
We publish this listing exactly as it appears in New Hampshire's official licensing records; we do not vouch for the business itself. Before hiring, look up license #00638 directly with the state, confirm it is still active, and ask for a current certificate of insurance.
Source: NH DES - Septic System Designers & Installers, last checked 2026-08-16. Verify at the official source.
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