| Company | Location | Certifications | License # |
|---|---|---|---|
| All Terrain Excavation | Orofino, ID | Installer | — |
| Cascade Falls Construction LLC | Orofino, ID | Installer | — |
| Chris Traylor Concrete | Weippe, ID | Installer | — |
| Clearwater Cooper Excavation LLC | Weippe, ID | Installer | — |
| David J Holland | Weippe, ID | Installer | — |
| Donner Development | Orofino, ID | Installer | — |
| Fury Concrete Systems | Orofino, ID | Installer | — |
| Gem State Septic & Excavation | Orofino, ID | Installer | — |
| Mangum Earthworx | Orofino, ID | Installer | — |
| Mangum's Concrete Forming | Orofino, ID | Installer | — |
| Pro Concrete Solutions, InC. | Orofino, ID | Installer | — |
11 companies in the Idaho DEQ permitted subsurface sewage disposal system installers and septic tank pumpers are based in Clearwater County as of 2026-07-23. Companies based elsewhere in Idaho also commonly serve the county.
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