705 N Main St, Seminole, OK 74868 · Seminole County
Is Lehman Dirtwork licensed?
Lehman Dirtwork appears on Oklahoma septic license or certification lists. The Septic Guide matched these credentials to the issuing agency's published list as of October 2026; confirm the current status with the agency before you hire.
| Credential | Number | Issued by | Verify |
|---|---|---|---|
| Oklahoma DEQ Certified Septic Installer (Aerobic Spray) | 1033 | Oklahoma Department of Environmental Quality | Agency lookup |
| Oklahoma DEQ Certified Septic Installer (Subsurface, Lagoon, Aerobic Spray) | 728 | Oklahoma Department of Environmental Quality | Agency lookup |
A matched credential shows the holder was on the agency's list when we checked. It does not by itself authorize every kind of septic work: an installer license, a pumper license and an inspector certification are different credentials.
What septic services does Lehman Dirtwork offer?
Found on Lehman Dirtwork's website: Septic tank pumping, Septic system installation, Aerobic septic systems.
Ask Lehman Dirtwork to confirm it handles your specific job and service area. Guides: Septic tank pumping · Septic system installation · Aerobic septic systems.
Before you hire Lehman Dirtwork
- Check the license on the agency lookup above and ask which person holds it.
- Ask who pulls the permit and whether the fee is in the quote.
- Ask for proof of liability insurance sent by the insurer.
- Get the scope and price in writing. How to check a septic license.
Is this your business? Correct or update this listing. Listing data: state license lists and public business information, as of October 2026. Not an endorsement.