| Company | Location | Certifications | License # |
|---|---|---|---|
| 7 Fold Excavation | Murphy, ID | Installer | — |
| B.C. Excavation, LLC | Payette, ID | Installer | — |
| Beddow Construction Group DBA BCG Builders | New Plymouth, ID | Installer | — |
| Bud's Septic Services LLC | — | Pumper | — |
| Durham Gravel Works, Inc. | Payette, ID | Installer | — |
| Eagle Valley Construction | Fruitland, ID | Installer | — |
| Full Circle Landworks LLC | Fruitland, ID | Installer | — |
| J W Excavating | Payette, ID | Installer | — |
| K&A Shippy Excavation | New Plymouth, ID | Installer | — |
| L & M Fine Grading & Excavation, LLC. | New Plymouth, ID | Installer | — |
| Little Creek Construction | Fruitland, ID | Installer | — |
| Lux Construction LLC | Payette, ID | Installer | — |
| O'Dell Construction | Fruitland, ID | Installer | — |
| Patriot Construction & Consulting LLC | Fruitland, ID | Installer | — |
| Shaw Excavation Services LLC | New Plymouth, ID | Installer | — |
| Shippy Excavation | New Plymouth, ID | Installer | — |
| Snake River Septic | — | Pumper | — |
| SNL Dirt Works | New Plymouth, ID | Installer | — |
| The Fix It Guy LLC | Fruitland, ID | Installer | — |
| West Mountain Dirt Works LLC | Fruitland, ID | Installer | — |
20 companies in the Idaho DEQ permitted subsurface sewage disposal system installers and septic tank pumpers are based in Payette County as of 2026-07-23. Companies based elsewhere in Idaho also commonly serve the county.
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