Best well drillers in St. Clair County, Michigan
Not a pay-to-play list: these are the 46 drilling companies with wells on record in St. Clair County, ranked by wells actually drilled here — 7,344 logged wells in Wellogic, the statewide groundwater database maintained by the Michigan Department of Environment, Great Lakes, and Energy (EGLE) (records as of 2026-08-13). Every number links back to the public record.
Ranked by wells drilled in St. Clair County since 2016 (then all-time), from the full Wellogic record. A ★ marks a featured sponsor — sponsors must appear in the county record to be listed, and the ranking below them is never reordered.
Who drills the most wells in St. Clair County?
David Pieprzak has drilled the most St. Clair County wells in the recent record — 342 since 2016, 1,625 in the county all-time.
How many well drilling companies work in St. Clair County?
46 companies in the Wellogic record have drilled wells in St. Clair County; 36 of them have drilled somewhere in Michigan since 2022. Smaller operators below the record threshold may also serve the area.
How deep is a typical well in St. Clair County?
The median drilled depth in St. Clair County is 107 ft, based on 15,100 recorded wells. Depths, water levels, and yields are on the St. Clair County wells page.
Well depths, static water levels, tested yields, and drilling cost estimates for this county live on the St. Clair County wells page.
Free for property owners. We route your request only to licensed drillers who actually file well logs in St. Clair County — never sold elsewhere.
Drill in St. Clair County?
If your company is on this list, your profile is free to claim — confirm your details and add your contact information so St. Clair County property owners reach you directly.
Claim your profileFree to claim · built from Wellogic public well-log records.