GroundRosterLicensed Well and Septic Contractors: Trempealeau County, WI
8 licensed well and septic pros based in Trempealeau County. Every license number below is sourced from public licensing records, with a link to look it up yourself.
Grouped by the county of the address on each license record, which can be a mailing address, so it doesn't tell you where the business works. When the record names no county, we place it by ZIP code, then town.
Checked against Wisconsin DNR - Licensed Water Well Drillers / Registered Well Driller Businesses, St. Croix County Community Development Department, Chippewa County POWTS Program and Crawford County POWTS Program. Roster copy last refreshed 2026-08-19.
Towns in Trempealeau County
All 7 towns named on the license records based here, with the number of listings in each, most first.
License classes on the Trempealeau County records
Each class as the issuing agency prints it on the license record. A record that names more than one class counts once under each, so the rows can add up to more than 8.
| License class | Trade | Listings |
|---|---|---|
| Registered Well Driller Business | Well | 3 |
| Soil Tester | Septic | 2 |
| Licensed Well Driller | Well | 1 |
| Plumber/Soil Tester | Septic | 1 |
| Soil Tester, Designer | Septic | 1 |
Septic Contractors based in Trempealeau County (4)
Tyler Langner
Ivan Semingson
Palmer, Emery
Palmer, Mark
Water Well Contractors based in Trempealeau County (4)
Oium Well Drilling & Pump Service, Licensed
David Lloyd Lysaker, Licensed
H2o Well Drilling & Pump Service LLC, Licensed
Kelly Oium Well Drilling INC, Licensed
Own one of these businesses? Find your listing and claim it.
Looking for a specific contractor? Search by name, business name, or license number.
Services in Trempealeau County, with national cost ranges
Listings based in Trempealeau County whose license class covers each service. Cost ranges are national; each links its cost guide.
| Service | Based in Trempealeau County | National cost |
|---|---|---|
| Septic Tank Pumping | 0 | $250 to $600 |
| Septic System Installation | 0 | $3,600 to $12,500 |
| Septic Inspection | 0 | $150 to $900 |
| Septic System Design | 1 | Varies by site |
| Perc Test and Soil Evaluation | 4 | $250 to $1,000 |
| Well Drilling | 4 | $5,500 to $35,000 |
| Well Pump Repair | 0 | $1,000 to $2,500 |
None of the listings based in Trempealeau County hold a license class we can match to septic tank pumping, septic system installation, septic inspection or well pump repair. Ask any contractor whether they do this work, or try a nearby city.
Hiring a well and septic professional in Trempealeau County
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.
Do I need a permit for well or septic work in Wisconsin?