Best well drillers in Randolph County, Illinois
Not a pay-to-play list: these are the 45 drilling companies with wells on record in Randolph County, ranked by wells actually drilled here — 2,302 logged wells in the Illinois State Geological Survey water well records (records as of 2026-10-12). Every number links back to the public record.
Ranked by wells drilled in Randolph 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 Randolph County?
Haake, Ralph has drilled the most Randolph County wells in the recent record — 28 since 2016, 58 in the county all-time.
How many well drilling companies work in Randolph County?
45 companies in the ISGS record have drilled wells in Randolph County; 11 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 Randolph County?
The median drilled depth in Randolph County is 76 ft, based on 2,457 recorded wells. Depths, water levels, and yields are on the Randolph County wells page.
Well depths, static water levels, tested yields, and drilling cost estimates for this county live on the Randolph County wells page.
Free. Goes to licensed drillers working Randolph County.
Drill in Randolph County?
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Claim your profileFree to claim · built from ISGS public well-log records.