GroundRosterHerr Septic & Sewer Inc.
| Name | Herr Septic & Sewer Inc. |
| License type | Septic Installer, Septic Hauler, Well & Septic Inspector, Soil Tester, ATU Maintainer |
| Location | Oconomowoc, Wisconsin 53066 |
| Service area | POWTS Installation, Septic Pumping & Hauling, Inspection, Soil Testing, Aerobic Treatment Unit Maintenance |
| Phone | (262) 968-2550 |
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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.
- Inspection: licensed to inspect existing septic systems; the license you want for a home-purchase inspection.
How to verify this license
We publish this listing exactly as it appears in Wisconsin's official licensing records; we do not vouch for the business itself. Before hiring, look up this license directly with the state, confirm it is still active, and ask for a current certificate of insurance.
Source: Walworth County POWTS Program, last checked 2026-08-19. Verify at the official source.
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