Best well drillers in Lower Connecticut River Valley Planning Region, Connecticut
Not a pay-to-play list: these are the 9 drilling companies with wells on record in Lower Connecticut River Valley Planning Region, ranked by wells actually drilled here — 538 logged wells in well completion reports filed with the Connecticut Department of Consumer Protection (2021–present) together with the USGS National Water Information System groundwater inventory (records as of 2026-10-12). Every number links back to the public record.
| # | Company | In Lower Connecticut River Valley Planning Region Co. since 2016 | All-time in county | Statewide |
|---|---|---|---|---|
| 1 | Sima Drilling Company | 196 | 196 | 426 |
| 2 | Dufford | 171 | 172 | 341 |
| 3 | Connecticut Wells/Geothermal Services, Inc. | 89 | 89 | 418 |
| 4 | Chowanec Well Drilling, LLC | 44 | 44 | 389 |
| 5 | Laframboise Well Drilling | 16 | 16 | 568 |
| 6 | Dalmik Well Drilling | 8 | 8 | 680 |
| 7 | Wragg Well Drilling & Pump Service Llc. | 7 | 7 | 391 |
| 8 | Boyd Artesian Well Co., Inc. | 3 | 4 | 129 |
| 9 | Stavens Brothers Inc. | 2 | 2 | 110 |
Ranked by wells drilled in Lower Connecticut River Valley Planning Region since 2016 (then all-time), from the full DCP + USGS 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 Lower Connecticut River Valley Planning Region?
Sima Drilling Company has drilled the most Lower Connecticut River Valley Planning Region wells in the recent record — 196 since 2016, 196 in the county all-time.
How many well drilling companies work in Lower Connecticut River Valley Planning Region?
9 companies in the DCP + USGS record have drilled wells in Lower Connecticut River Valley Planning Region; 9 of them have drilled somewhere in Connecticut since 2022. Smaller operators below the record threshold may also serve the area.
How deep is a typical well in Lower Connecticut River Valley Planning Region?
The median drilled depth in Lower Connecticut River Valley Planning Region is 225 ft, based on 1,350 recorded wells. Depths, water levels, and yields are on the Lower Connecticut River Valley Planning Region wells page.
Well depths, static water levels, tested yields, and drilling cost estimates for this county live on the Lower Connecticut River Valley Planning Region wells page.
Free. Goes to licensed drillers working Lower Connecticut River Valley Planning Region.
Drill in Lower Connecticut River Valley Planning Region?
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Claim your profileFree to claim · built from DCP + USGS public well-log records.