Best well drillers in Southeastern Connecticut Planning Region, Connecticut
Not a pay-to-play list: these are the 10 drilling companies with wells on record in Southeastern Connecticut Planning Region, ranked by wells actually drilled here — 713 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 Southeastern Connecticut Planning Region Co. since 2016 | All-time in county | Statewide |
|---|---|---|---|---|
| 1 | Dalmik Well Drilling | 260 | 260 | 680 |
| 2 | Laframboise Well Drilling | 207 | 209 | 568 |
| 3 | Chowanec Well Drilling, LLC | 140 | 140 | 389 |
| 4 | Dufford | 41 | 41 | 341 |
| 5 | Sima Drilling Company | 35 | 35 | 426 |
| 6 | Connecticut Wells/Geothermal Services, Inc. | 19 | 19 | 418 |
| 7 | Stavens Brothers Inc. | 5 | 5 | 110 |
| 8 | Connecticut Valley Artesian Well Co. | 2 | 2 | 101 |
| 9 | Wragg Well Drilling & Pump Service Llc. | 1 | 1 | 391 |
| 10 | Claverack Well & Pump Service, LLC | 1 | 1 | 27 |
Ranked by wells drilled in Southeastern Connecticut 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 Southeastern Connecticut Planning Region?
Dalmik Well Drilling has drilled the most Southeastern Connecticut Planning Region wells in the recent record — 260 since 2016, 260 in the county all-time.
How many well drilling companies work in Southeastern Connecticut Planning Region?
10 companies in the DCP + USGS record have drilled wells in Southeastern Connecticut Planning Region; 10 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 Southeastern Connecticut Planning Region?
The median drilled depth in Southeastern Connecticut Planning Region is 265 ft, based on 1,089 recorded wells. Depths, water levels, and yields are on the Southeastern Connecticut Planning Region wells page.
Well depths, static water levels, tested yields, and drilling cost estimates for this county live on the Southeastern Connecticut Planning Region wells page.
Free. Goes to licensed drillers working Southeastern Connecticut Planning Region.
Drill in Southeastern Connecticut Planning Region?
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Claim your profileFree to claim · built from DCP + USGS public well-log records.