GroundRosterOhm Septic Design & Inspection LLCLicensed
| Name | Ohm Septic Design & Inspection LLC |
| Company | Chris M Ohm |
| License number | L4423 |
| License type | SSTS Maintainer (Pumper) · Designer · Inspector · Service Provider |
| License status | Current |
| License expires | 2027-02-26 |
| Based in | Audubon, Minnesota 56511 |
| Phone | (218) 439-6428 |
"Based in" is the city on the business's state license record. That can be a mailing address; it doesn't tell you where the business works.
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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.
- Pumping / cleaning: licensed to pump out and clean septic tanks, service them, and haul the waste.
- 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 the license details exactly as they appear in Minnesota's official licensing records; we do not vouch for the business itself. Before hiring, look up license #L4423 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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