Best well drillers in Grand Isle County, Vermont
Not a pay-to-play list: these are the 30 drilling companies with wells on record in Grand Isle County, ranked by wells actually drilled here — 1,587 logged wells in the Vermont DEC private well completion reports (records as of 2026-08-21). Every number links back to the public record.
Ranked by wells drilled in Grand Isle County since 2016 (then all-time), from the full Vermont DEC 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 Grand Isle County?
Chevalier Drilling Co. Inc. has drilled the most Grand Isle County wells in the recent record — 157 since 2016, 1,113 in the county all-time.
How many well drilling companies work in Grand Isle County?
30 companies in the Vermont DEC record have drilled wells in Grand Isle County; 11 of them have drilled somewhere in Vermont since 2022. Smaller operators below the record threshold may also serve the area.
How deep is a typical well in Grand Isle County?
The median drilled depth in Grand Isle County is 240 ft, based on 1,607 recorded wells. Depths, water levels, and yields are on the Grand Isle County wells page.
Well depths, static water levels, tested yields, and drilling cost estimates for this county live on the Grand Isle County wells page.
Free for property owners. We route your request only to licensed drillers who actually file well logs in Grand Isle County — never sold elsewhere.
Drill in Grand Isle County?
If your company is on this list, your profile is free to claim — confirm your details and add your contact information so Grand Isle County property owners reach you directly.
Claim your profileFree to claim · built from Vermont DEC public well-log records.