GroundRosterMathews Sewer Systems LLCLicensed
| Name | Mathews Sewer Systems LLC |
| Company | Sheldon L Mathews |
| License number | L135 |
| License type | SSTS Installer · Maintainer (Pumper) · Pipelayer |
| License status | Current |
| License expires | 2027-04-15 |
| Location | Green Isle, Minnesota 55338 |
| Phone | (507) 326-5811 |
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What this license covers
- Installation / repair: licensed to build and install septic tanks and drainfields, and to repair or replace failed ones.
- Pumping / cleaning: licensed to pump out and clean septic tanks, service them, and haul the waste.
- Pipelaying: licensed to install the sewer line running from the building to the septic tank.
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 #L135 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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