GroundRosterLicensed Well and Septic Contractors Based in Watertown, SD
5 licensed well and septic pros based in Watertown. Every license number below is sourced from public licensing records, with a link to look it up yourself.
"Based in" is the city on the business's license record. That can be a mailing address; it doesn't tell you where the business works. Businesses based in nearby towns may also work here. Roster copy last refreshed 2026-10-17.
Browse Watertown by service
Listings based in Watertown
Grosz Excavating LLC, Licensed
Lindner Landscape Design LLC, Licensed
Tim Laframboise, Licensed
Black Hills Well Service LLC, Licensed
Integral Ag Drainage And Excavation Services, Licensed
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Services in Watertown, with national cost ranges
Listings based in Watertown whose license class covers each service. Cost ranges are national; each links its cost guide.
| Service | Based in Watertown | National cost |
|---|---|---|
| Septic Tank Pumping | 0 | $250 to $600 |
| Septic System Installation | 4 | $3,600 to $12,500 |
| Septic Inspection | 0 | $150 to $900 |
| Septic System Design | 0 | Varies by site |
| Perc Test and Soil Evaluation | 0 | $250 to $1,000 |
| Well Drilling | 1 · nearby | $5,500 to $35,000 |
| Well Pump Repair | 0 · nearby | $1,000 to $2,500 |
None of the listings based in Watertown hold a license class we can match to septic tank pumping, septic inspection, septic system design, perc test and soil evaluation or well pump repair. The closest matching licensees we found in nearby towns are listed below. Ask any contractor whether they do this work, or browse the listings based in Codington County.
Listings that hold a matching license class, based in nearby towns rather than in Watertown, for the services with fewer than 3 here. Nearest first, in straight-line miles from the center of Watertown:
Well Drilling
- Kaiser Well Drilling, based in Lake Norden, about 22 miles away
- Ekern Properties, based in Brookings, about 44 miles away
Well Pump Repair
- Waldner Solar Services, based in Carpenter, about 42 miles away
Hiring a well and septic professional in Watertown
Before you hire, confirm the license is still active with the agency that issued it and get at least three written quotes.
Homeowner guides
- What Is a Septic Tank and How Does It Work?
- No Water From Your Well? What to Check First
- Well Water Testing: What to Test For and How Often
- Do I need a permit for well or septic work in South Dakota?