| Company | Location | Certifications | License # |
|---|---|---|---|
| Black Water Pumping & Septic Service | Hatton, ND | Pumper (Class I) | NDSP007337 |
| Grotte Sanitation | Finley, ND | Pumper (Class II) | NDSP007321 |
2 companies in the North Dakota DEQ licensed septic system installers and sanitary pumpers are based in Steele County as of 2026-07-23. Companies based elsewhere in North Dakota also commonly serve the county.
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