GroundRosterDredging UnlimitedLicensed
| Name | Dredging Unlimited |
| License number | 401807 |
| License type | Licensed Onsite Wastewater - Grade IV Water Operator, Inspector, Installer, Pumper |
| License status | Active — Nebraska DEQ licensed |
| Location | Columbus, Nebraska |
| Phone | (402) 270-8850 |
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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.
- Pumping / cleaning: licensed to pump out and clean septic tanks, service them, and haul the waste.
- Operation: licensed to operate and monitor onsite sewage systems; alternative systems typically require a licensed operator under an ongoing service contract.
- Inspection: licensed to inspect existing septic systems; the license you want for a home-purchase inspection.
How to verify this license
We publish this listing exactly as it appears in Nebraska's official licensing records; we do not vouch for the business itself. Before hiring, look up license #401807 directly with the state, confirm it is still active, and ask for a current certificate of insurance.
Source: Nebraska DEQ - Licensed Onsite Wastewater Businesses, last checked 2026-08-17. Verify at the official source.
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