| Company | Location | Certifications | License # |
|---|---|---|---|
| Bennett & Sons Sand and Gravel Co | Plainview, MN | Installer | L3201 |
| Dykes Brothers Excavating | Plainview, MN | Installer | L4379 |
| Eagle Excavating | Mazeppa, MN | Installer | L2721 |
| Edge Contracting, Inc | Elgin, MN | DesignerInstaller | L1009 |
| Gruhlke Construction LLC | Zumbro Falls, MN | Installer | L4198 |
| Hartert Septic Service Inc | Kellogg, MN | DesignerInstaller | L1199 |
| Hofschulte Backhoe and Septic LLC | Elgin, MN | DesignerInspectorInstaller | L836 |
| Jacobson Plumbing & Heating | Wabasha, MN | DesignerInspectorInstallerPumper | L371 |
| Lake City Septic Service, Inc. | Lake City, MN | InstallerPumper | L71 |
| Manthei Complete Septic Service | Wabasha, MN | DesignerInspectorInstallerPumper | L1114 |
| Manthei Septic Service | Lake City, MN | Pumper | L2790 |
| Porta Pros LLC LLC | Mazeppa, MN | Pumper | L4468 |
| Wabasha Septic Service | Kellogg, MN | DesignerInspectorInstallerPumper | L3891 |
13 companies in the Minnesota MPCA SSTS licensed business registry are based in Wabasha County as of 2026-07-23. Companies based elsewhere in Minnesota also commonly serve the county.
Tell us what you need — we'll connect you with state-certified companies serving your area. No obligation.