GroundRosterG G G Inc.Licensed
| Name | G G G Inc. |
| Company | Geoffrey G Griffin PE |
| License number | L686 |
| License type | SSTS Designer · Inspector · Service Provider |
| License status | Current |
| License expires | 2028-07-08 |
| Location | Chatfield, Minnesota 55923 |
| Phone | (507) 867-1666 |
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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.
- Inspection: licensed to inspect existing septic systems; the license you want for a home-purchase inspection.
- Service: licensed to operate and service advanced treatment systems on an ongoing contract.
How to verify this license
We publish this listing exactly as it appears in Minnesota's official licensing records; we do not vouch for the business itself. Before hiring, look up license #L686 directly with the state, confirm it is still active, and ask for a current certificate of insurance.
Source: Minnesota Pollution Control Agency (MPCA) - SSTS licensed business list, last checked 2026-08-17. Verify at the official source.
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