| Company | Location | Certifications | License # |
|---|---|---|---|
| Dirt Brothers LLC | Melba, ID | Installer | — |
| Gary Mcdaniel Excavation | Grand View, ID | Installer | — |
| Groundworks LLC | Marsing, ID | Installer | — |
| Skyline Construction, LLC | Bruneau, ID | Installer | — |
| Sure Homes LLC | Marsing, ID | Installer | — |
| Uria Pump | Homedale, ID | Installer | — |
| Uria Pump / Owyhee Sewer | — | Pumper | — |
| Wood Canyon LLC | Murphy, ID | Installer | — |
8 companies in the Idaho DEQ permitted subsurface sewage disposal system installers and septic tank pumpers are based in Owyhee County as of 2026-07-23. Companies based elsewhere in Idaho also commonly serve the county.
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