GroundRosterHigh Performance EarthworksLicensed
| Name | High Performance Earthworks |
| License number | CI0001666 |
| License type | Installer |
| License status | Licensed - Arapahoe County |
| Location | Nederland, Colorado |
| Phone | (720) 514-9817 |
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What this license covers
- Installation / repair: licensed to build and install septic tanks and drainfields, and to repair or replace failed ones.
How to verify this license
We publish this listing exactly as it appears in Colorado's official licensing records; we do not vouch for the business itself. Before hiring, look up license #CI0001666 directly with the state, confirm it is still active, and ask for a current certificate of insurance.
Source: Arapahoe County Public Health - OWTS Licensed Installers & Cleaners/Pumpers, last checked 2026-08-19. Verify at the official source.
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