GroundRosterLicensed Well and Septic Contractors in South Dakota
South Dakota lists 572 licensed well and septic contractors: 71 well drillers and pump installers and 501 septic contractors. They are based in 56 counties and 151 cities. 3 license classes appear, covering installation / repair, drilling / construction and pump installation.
Checked against South Dakota Plumbing Commission - Licensed Septic Installers and South Dakota DANR - Licensed Well Drillers & Pump Installers. Roster copy last refreshed 2026-10-17.
Browse by county or request free quotes.
Counties with the most listings based there
Browse South Dakota by county
Each listing sits under the county of the address on its license record, which can be a mailing address. 56 counties have listings based there.
Cities with the most listings based there
Septic Installers by city in South Dakota
Septic System Installation cost guide
Well Drillers by city in South Dakota
Well Pump Installers by city in South Dakota
Looking for a specific contractor? Search by name, business name, or license number.
Hiring a well and septic professional in South Dakota
Before you sign anything: confirm the license on this page is still active with the agency that issued it, ask for proof of insurance, and get at least three written quotes; pricing on this work varies widely by site conditions.
How do I check a well and septic professional's license in South Dakota?
Use the license search to find the listing by name, business name, or license number, then confirm it with the agency that issued the license. Every listing links to the roster it came from.
What does well or septic work cost in South Dakota?
Our cost guides give national ranges for well drilling, well pump repair, septic tank pumping, septic cleaning, repairs, and inspections. Site conditions, access, and local demand set the real number, so get at least three written quotes from licensed well and septic pros in South Dakota.
Is a permit required?
Usually, for a new system or well and for most repairs, and the rules are set by the state or the county. Our South Dakota permit guide covers who issues them and what they cover.
Listings without a county
13 listings have no county we could place: the license record gives none, and its ZIP code or town doesn't settle one. Search by ZIP, or browse by the town on the record:
Permits and South Dakota agency resources
Do I need a permit for well or septic work in South Dakota? ›
Where this South Dakota data comes from
- South Dakota Plumbing Commission - Licensed Septic Installers · source page
- South Dakota DANR - Licensed Well Drillers & Pump Installers · source page