Best well drillers in Union County, Pennsylvania
Not a pay-to-play list: these are the 41 drilling companies with wells on record in Union County, ranked by wells actually drilled here — 3,239 logged wells in the Pennsylvania Groundwater Information System (PaGWIS), published by the PA Department of Conservation and Natural Resources (records as of 2026-10-12). Every number links back to the public record.
Ranked by wells drilled in Union County since 2016 (then all-time), from the full PaGWIS 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 Union County?
Solid Rock Drilling has drilled the most Union County wells in the recent record — 152 since 2016, 499 in the county all-time.
How many well drilling companies work in Union County?
41 companies in the PaGWIS record have drilled wells in Union County; 27 of them have drilled somewhere in Pennsylvania since 2022. Smaller operators below the record threshold may also serve the area.
How deep is a typical well in Union County?
The median drilled depth in Union County is 160 ft, based on 3,245 recorded wells. Depths, water levels, and yields are on the Union County wells page.
Well depths, static water levels, tested yields, and drilling cost estimates for this county live on the Union County wells page.
Free. Goes to licensed drillers working Union County.
Drill in Union County?
If your company is on this list, your profile is free to claim — confirm your details and add your contact information so Union County property owners reach you directly.
Claim your profileFree to claim · built from PaGWIS public well-log records.