GroundRosterDavid Halweg
| Name | David Halweg |
| License number | 2814 |
| License type | Certified Well Driller |
| License status | Certified — Iowa DNR |
| Location | Fredericksburg, Iowa |
| Phone | (563) 237-5341 |
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What this license covers
- Drilling / construction: licensed to bore, case, complete, and plug water wells.
How to verify this license
We publish this listing exactly as it appears in Iowa's official licensing records; we do not vouch for the business itself. Before hiring, look up license #2814 directly with the state, confirm it is still active, and ask for a current certificate of insurance.
Source: Iowa Dept. of Natural Resources (DNR), last checked 2026-08-17. Verify at the official source.
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