Best well drillers in Clinton County, Illinois
Not a pay-to-play list: these are the 57 drilling companies with wells on record in Clinton County, ranked by wells actually drilled here — 2,321 logged wells in the Illinois State Geological Survey water well records (records as of 2026-08-20). Every number links back to the public record.
Ranked by wells drilled in Clinton County since 2016 (then all-time), from the full ISGS 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 Clinton County?
Haake, Ralph has drilled the most Clinton County wells in the recent record — 27 since 2016, 48 in the county all-time.
How many well drilling companies work in Clinton County?
57 companies in the ISGS record have drilled wells in Clinton County; 9 of them have drilled somewhere in Illinois since 2022. Smaller operators below the record threshold may also serve the area.
How deep is a typical well in Clinton County?
The median drilled depth in Clinton County is 38 ft, based on 2,412 recorded wells. Depths, water levels, and yields are on the Clinton County wells page.
Well depths, static water levels, tested yields, and drilling cost estimates for this county live on the Clinton County wells page.
Free for property owners. We route your request only to licensed drillers who actually file well logs in Clinton County — never sold elsewhere.
Drill in Clinton County?
If your company is on this list, your profile is free to claim — confirm your details and add your contact information so Clinton County property owners reach you directly.
Claim your profileFree to claim · built from ISGS public well-log records.