GroundRosterModern Pumping and Sewer Services LLCLicensed
| Name | Modern Pumping and Sewer Services LLC |
| License number | 36167 |
| License type | Onsite Wastewater Installer - Advanced |
| License status | Current registration |
| License expires | 2028-09-30 |
| Based in | O'Fallon, St. Charles County, Missouri |
| Counties declared to the state | Lincoln, St. Charles, St. Louis, St. Louis City, Warren |
| Phone | (314) 662-5179 |
"Based in" is the city and county of the address on the business's state license record. That can be a mailing address; it doesn't tell you where the business works.
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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 the license details exactly as they appear in Missouri's official licensing records; we do not vouch for the business itself. Before hiring, look up license #36167 directly with the state, confirm it is still active, and ask for a current certificate of insurance.
Source: Missouri registered onsite wastewater treatment system (OWTS) installers, last checked 2026-08-16. Verify at the official source.
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