| Company | Location | Certifications | License # |
|---|---|---|---|
| Benjamin Sessions | Peterson, UT | Onsite Wastewater Professional (Level 1)Onsite Wastewater Professional (Level 3) | 04235-OSP |
| Haslam Excavating | Morgan, UT | Onsite Wastewater Professional (Level 1)Onsite Wastewater Professional (Level 2)Onsite Wastewater Professional (Level 3) | 00483-OSP |
| Lost Creek Contracting Co. | Croydon, UT | Onsite Wastewater Professional (Level 1)Onsite Wastewater Professional (Level 2)Onsite Wastewater Professional (Level 3) | 04275-OSP |
| Peaking Engineering and Construction, LLC | Croydon, UT | Onsite Wastewater Professional (Level 1)Onsite Wastewater Professional (Level 2)Onsite Wastewater Professional (Level 3) | 04041-OSP |
| Zachary Haslam | Morgan, UT | Onsite Wastewater Professional (Level 1)Onsite Wastewater Professional (Level 2)Onsite Wastewater Professional (Level 3) | 02885-OSP |
5 companies in the Utah DEQ certified onsite wastewater system professionals list are based in Morgan County as of 2026-07-23. Companies based elsewhere in Utah also commonly serve the county.
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