Rusty's Perculation TestingLicensed
License details
| Company | Joseph J Olson |
| License number | L810 |
| License type | SSTS Designer · Inspector |
| License status | Current |
| License expires | May 5, 2027 |
| Based in | Hanover, Wright County, Minnesota 55341 |
"Based in" is the city and county of the address on the business's license record.
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.
How to verify this license
We publish the license details exactly as they appear in the public licensing records of the agency that issued the license; we do not vouch for the business itself. Before hiring, look up license #L810 directly with the agency that issued it, 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 2026-10-03. Look it up at the issuing agency.
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