GroundRosterLicensed Well and Septic Contractors: St. Clair County, IL
13 licensed well and septic pros based in St. Clair 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 Illinois Dept. of Public Health - Private Sewage Installation & Pumping licence lookup and Illinois Dept. of Public Health - Water Well Contractor licences. Roster copy last refreshed 2026-10-03.
Towns in St. Clair County
All 5 towns named on the license records based here, with the number of listings in each, most first.
License classes on the St. Clair 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 13.
| License class | Trade | Listings |
|---|---|---|
| Private Sewage Installation License | Septic | 7 |
| Water Well Contractor | Well | 3 |
| Closed Loop Well Contractor | Well | 1 |
| Private Sewage Pumping License | Septic | 1 |
| Water Well and Pump Installation Contractor | Well | 1 |
| Water Well Pump Installation Contractor | Well | 1 |
Septic Contractors based in St. Clair County (7)
John R. YochLicensed
Steven Jacob GalleLicensed
Aaron Joseph ElliottLicensed
Jeffrey Scott JerashenLicensed
Bartholomew Leon ShultsLicensed
Jeffrey A, Sr LeehyLicensed
Raymond J MuellerLicensed
Water Well Contractors based in St. Clair County (6)
Charles S HarrissLicensed
Dale Raymond DohrmanLicensed
Travis B. RobertsLicensed
Mark C DavinroyLicensed
D & S Drilling INCLicensed
D&d Drilling, INCLicensed
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 St. Clair County, with national cost ranges
Listings based in St. Clair County whose license class covers each service. Cost ranges are national; each links its cost guide.
| Service | Based in St. Clair 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 | 0 | Varies by site |
| Perc Test and Soil Evaluation | 0 | $250 to $1,000 |
| Well Drilling | 4 | $5,500 to $35,000 |
| Well Pump Repair | 2 | $1,000 to $2,500 |
None of the listings based in St. Clair County hold a license class we can match to septic tank pumping, septic system installation, septic inspection, septic system design or perc test and soil evaluation. Ask any contractor whether they do this work, or try a nearby city.
Hiring a well and septic professional in St. Clair 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.