Best well drillers in Winnebago County, Iowa
Not a pay-to-play list: these are the 34 drilling companies with wells on record in Winnebago County, ranked by wells actually drilled here — 1,154 logged wells in the Iowa DNR Well Information System (IWIS) (records as of 2026-08-24). Every number links back to the public record.
Ranked by wells drilled in Winnebago County since 2016 (then all-time), from the full Iowa 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 Winnebago County?
Estlund,Matt - 2379 has drilled the most Winnebago County wells in the recent record — 19 since 2016, 81 in the county all-time.
How many well drilling companies work in Winnebago County?
34 companies in the Iowa DNR record have drilled wells in Winnebago County; 12 of them have drilled somewhere in Iowa since 2022. Smaller operators below the record threshold may also serve the area.
How deep is a typical well in Winnebago County?
The median drilled depth in Winnebago County is 150 ft, based on 1,724 recorded wells. Depths, water levels, and yields are on the Winnebago County wells page.
Well depths, static water levels, tested yields, and drilling cost estimates for this county live on the Winnebago County wells page.
Free for property owners. We route your request only to licensed drillers who actually file well logs in Winnebago County — never sold elsewhere.
Drill in Winnebago County?
If your company is on this list, your profile is free to claim — confirm your details and add your contact information so Winnebago County property owners reach you directly.
Claim your profileFree to claim · built from Iowa DNR public well-log records.