Best well drillers in Mcdonough County, Illinois
Not a pay-to-play list: these are the 47 drilling companies with wells on record in Mcdonough County, ranked by wells actually drilled here — 980 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 Mcdonough 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 Mcdonough County?
Allen, Joseph has drilled the most Mcdonough County wells in the recent record — 4 since 2016, 24 in the county all-time.
How many well drilling companies work in Mcdonough County?
47 companies in the ISGS record have drilled wells in Mcdonough County; 7 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 Mcdonough County?
The median drilled depth in Mcdonough County is 220 ft, based on 1,263 recorded wells. Depths, water levels, and yields are on the Mcdonough County wells page.
Well depths, static water levels, tested yields, and drilling cost estimates for this county live on the Mcdonough County wells page.
Free for property owners. We route your request only to licensed drillers who actually file well logs in Mcdonough County — never sold elsewhere.
Drill in Mcdonough County?
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Claim your profileFree to claim · built from ISGS public well-log records.