| Company | Location | Certifications | License # |
|---|---|---|---|
| Fullmer Geological LLC | Ogden, UT | Onsite Wastewater Professional (Level 1)Onsite Wastewater Professional (Level 2) | 00095-OSP |
1 company in the Utah DEQ certified onsite wastewater system professionals list is based in Beaver County as of 2026-07-23. Companies based elsewhere in Utah also commonly serve the county.
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