GroundRosterRay Wollner Excavating
| Name | Ray Wollner Excavating |
| License number | 221843 |
| License type | POWTS Installer |
| Location | Washington County, Wisconsin |
| Service area | POWTS Installation |
| Phone | (262) 334-3348 |
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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.
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 license #221843 directly with the state, confirm it is still active, and ask for a current certificate of insurance.
Source: Washington County POWTS Program, last checked 2026-08-19. Verify at the official source.
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