GroundRosterWilliam M KnierimLicensed
| Name | William M Knierim |
| License number | 101-004927 |
| License type | Water Well Pump Installation Contractor |
| License status | Active — IDPH licensed water well contractor |
| Location | Batavia, Illinois 60510 |
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What this license covers
- Pump installation: licensed to install, repair, and replace well pumps, pressure tanks, and the piping between the well and the building.
How to verify this license
We publish this listing exactly as it appears in Illinois's official licensing records; we do not vouch for the business itself. Before hiring, look up license #101-004927 directly with the state, confirm it is still active, and ask for a current certificate of insurance.
Source: Illinois Dept. of Public Health - Water Well Contractor licences, last checked 2026-08-17. Verify at the official source.
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