GroundRosterLicensed Well and Septic Contractors: Walworth County, WI
27 licensed well and septic pros based in Walworth 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 Walworth County POWTS Program, Wisconsin DNR - Licensed Water Well Drillers / Registered Well Driller Businesses, Washington County POWTS Program and Kenosha County POWTS Program. Roster copy last refreshed 2026-08-19.
Towns in Walworth County
All 5 towns named on the license records based here, with the number of listings in each, most first.
License classes on the Walworth 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 27.
| License class | Trade | Listings |
|---|---|---|
| Septic Hauler | Septic | 8 |
| Septic Installer | Septic | 3 |
| Septic/Holding Tank Pumper | Septic | 3 |
| Soil Tester | Septic | 3 |
| Well & Septic Inspector | Septic | 3 |
| Registered Well Driller Business | Well | 2 |
| Well & Septic Inspector, Soil Tester | Septic | 2 |
| POWTS Installer | Septic | 1 |
| Septic Installer, Well & Septic Inspector | Septic | 1 |
| Soil Tester, POWTS Installer | Septic | 1 |
Septic Contractors based in Walworth County (25)
Associates Septic Services
Jason Kmiecik
Southern Lakes Plumbing
Flitcroft Septic Systems, LLC
Troy Sanitary Service
Evergreen Septic Service LLC
Associates Soil Testing
Flitcroft Septic Service
OCI Waste Pumping
Associates Septic Services Inc.
O'Leary Plumbing
Down-To-Earth Contractors
Senft Septic Pumping Service
Stephen Rostkowski
Down to Earth Contractors
Southern Lakes Plumbing & Heating
Evergreen Septic Service
Associates Soil Testing
D. Duwe Professional Services
Sugar Creek Well and Pump
Lance Petrasek
Boss Enterprises
Water Well Contractors based in Walworth County (2)
Cable Tool Well DrillingLicensed
Biersack Well ServiceLicensed
Licensed by Walworth County
Walworth County issued these businesses' licenses, but the address on their license record is not in Walworth County.
A-1 Soil Testing
Augies Excavating
Billingsley Engineering
Billingsley Engineering, LLC
Butler Engineering
Collins Sanitary
Doc's Sewer & Water
Fanning Excavating
Grove Concrete & Supply
Guardian Well & Septic
Herr Septic & Sewer Inc.
J & H Soil Testing & Septic Systems
Kerkman Brothers Construction
Kienbaum Excavating
Lakeshore Burial Vault Co., Inc.
Lauer Backhoe Service
Lauer Excavating
Maas & Sons
McDonough Septic
Mechanical Masters, Inc.
Mellen Septic / Bill Mellen
Mendota Consulting, LLC
Nehls & Sons, Exc.
Nehls Excavating
Nelson Inspection Services
POWTS Pros
POWTS Pros, LLC
Pats Services, Inc.
Petersen Supply
Pett Construction
Rockstar Soil Testing LLC
Sunset Septic Service
Teaspoon Excavating
Valia Septic Services
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 Walworth County, with national cost ranges
Listings based in Walworth County whose license class covers each service. Cost ranges are national; each links its cost guide.
| Service | Based in Walworth County | National cost |
|---|---|---|
| Septic Tank Pumping | 3 | $250 to $600 |
| Septic System Installation | 6 | $3,600 to $12,500 |
| Septic Inspection | 6 | $150 to $900 |
| Septic System Design | 0 | Varies by site |
| Perc Test and Soil Evaluation | 0 | $250 to $1,000 |
| Well Drilling | 2 | $5,500 to $35,000 |
| Well Pump Repair | 0 | $1,000 to $2,500 |
None of the listings based in Walworth County hold a license class we can match to septic system design, perc test and soil evaluation or well pump repair. Ask any contractor whether they do this work, or try a nearby city.
Hiring a well and septic professional in Walworth 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?