Best well drillers in Grant County, Wisconsin
Not a pay-to-play list: these are the 42 drilling companies with wells on record in Grant County, ranked by wells actually drilled here — 3,457 logged wells in the Wisconsin Department of Natural Resources Groundwater Retrieval Network (GRN) well-construction records (records as of 2026-08-14). Every number links back to the public record.
Ranked by wells drilled in Grant County since 2016 (then all-time), from the full WI DNR 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 Grant County?
Faherty, Jeffery A has drilled the most Grant County wells in the recent record — 410 since 2016, 410 in the county all-time.
How many well drilling companies work in Grant County?
42 companies in the WI DNR record have drilled wells in Grant County; 10 of them have drilled somewhere in Wisconsin since 2022. Smaller operators below the record threshold may also serve the area.
How deep is a typical well in Grant County?
The median drilled depth in Grant County is 240 ft, based on 7,413 recorded wells. Depths, water levels, and yields are on the Grant County wells page.
Well depths, static water levels, tested yields, and drilling cost estimates for this county live on the Grant County wells page.
Free for property owners. We route your request only to licensed drillers who actually file well logs in Grant County — never sold elsewhere.
Drill in Grant County?
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Claim your profileFree to claim · built from WI DNR public well-log records.