| Company | Location | Certifications | License # |
|---|---|---|---|
| Sunrise Engineering | Fillmore, UT | Onsite Wastewater Professional (Level 1)Onsite Wastewater Professional (Level 2)Onsite Wastewater Professional (Level 3) | 00393-OSP |
1 company in the Utah DEQ certified onsite wastewater system professionals list is based in Millard County as of 2026-07-23. Companies based elsewhere in Utah also commonly serve the county.
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