Best well drillers in Grundy County, Iowa
Not a pay-to-play list: these are the 34 drilling companies with wells on record in Grundy County, ranked by wells actually drilled here — 877 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 Grundy 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 Grundy County?
Pieters,Kevin - 4541 has drilled the most Grundy County wells in the recent record — 16 since 2016, 72 in the county all-time.
How many well drilling companies work in Grundy County?
34 companies in the Iowa DNR record have drilled wells in Grundy County; 14 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 Grundy County?
The median drilled depth in Grundy County is 170 ft, based on 1,251 recorded wells. Depths, water levels, and yields are on the Grundy County wells page.
Well depths, static water levels, tested yields, and drilling cost estimates for this county live on the Grundy County wells page.
Free for property owners. We route your request only to licensed drillers who actually file well logs in Grundy County — never sold elsewhere.
Drill in Grundy County?
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Claim your profileFree to claim · built from Iowa DNR public well-log records.