GroundRosterCardinal Pumping & Drain Cleaning, IncLicensed
| Name | Cardinal Pumping & Drain Cleaning, Inc |
| Company | Larry P Mueller |
| License number | L1811 |
| License type | SSTS Maintainer (Pumper) · Inspector · Service Provider |
| License status | Current |
| License expires | 2027-04-13 |
| Location | Winona, Minnesota 55987 |
| Phone | (507) 454-7494 |
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What this license covers
- 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 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 #L1811 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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