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Best well drillers in Conejos County, Colorado
Not a pay-to-play list: these are the 64 drilling companies with wells
on record in Conejos County, ranked by wells actually drilled here — 2,408 logged
wells in the Colorado Division of Water Resources (DWR) well permit database (records as of 2026-09-22). Every number links back to
the public record.
64companies on record
21active since 2022
2,408wells in county record
| # | Company | In Conejos Co. since 2016 | All-time in county | Statewide |
|---|
| 1 | Heersink Drilling | 193 | 423 | 1,819 |
| 2 | Valley Pump Company | 101 | 353 | 2,579 |
| 3 | Rocky Mountain Waterworks LLC | 30 | 221 | 893 |
| 4 | Nwp Drilling & Consulting | 9 | 61 | 634 |
| 5 | Burk Drilling Inc. | 7 | 70 | 625 |
| 6 | Cooper Drilling LLC | 5 | 29 | 873 |
| 7 | Pavati Pumps & Drilling | 5 | 5 | 128 |
| 8 | Hydro Resources | 3 | 3 | 306 |
| 9 | Sharpe Drilling Co. | 2 | 2 | 994 |
| 10 | Twin Peaks Drilling | 1 | 6 | 475 |
| 11 | Crandall Drilling & Pump Service | 1 | 1 | 3,578 |
| 12 | Johns Well Service | 1 | 1 | 123 |
| 13 | Larry Burk Drilling | — | 209 | 464 |
| 14 | Gritz Drilling And Supply | — | 166 | 197 |
| 15 | Gayln F. Olsen | — | 163 | 462 |
| 16 | Gale Martin | — | 106 | 120 |
| 17 | Irrigation Engineering & Supp. | — | 81 | 1,027 |
| 18 | M & G Drilling & Supply | — | 75 | 439 |
| 19 | Mitchell Drilling Co. | — | 52 | 793 |
| 20 | Moody Drilling | — | 44 | 368 |
| 21 | H A Dewey | — | 41 | 53 |
| 22 | Crawford's Water Well Drilling | — | 29 | 51 |
| 23 | Eddy Well Drilliing | — | 26 | 141 |
| 24 | Duwayne D Cornum | — | 23 | 25 |
| 25 | D W Spencer | — | 19 | 417 |
| 26 | Weber Water Well Drilling & Pump Service LLC | — | 18 | 342 |
| 27 | HI-Country Drilling | — | 18 | 86 |
| 28 | Independent Drilling Co. | — | 18 | 52 |
| 29 | L D Spencer Drilling & Pump | — | 16 | 622 |
| 30 | Glenn E Yeater | — | 15 | 34 |
| 31 | Don Stewart & Son Drilling | — | 14 | 654 |
| 32 | Irrigation & Cont. Spec. | — | 14 | 122 |
| 33 | Maxey Well Works | — | 10 | 146 |
| 34 | Dalby Pump Service, LLC | — | 8 | 169 |
| 35 | Werner Drilling & Excavating | — | 6 | 625 |
| 36 | Speelman Drilling | — | 6 | 74 |
| 37 | Ecodynamics | — | 6 | 42 |
| 38 | Ojo Spring Drilling & Well Service | — | 5 | 706 |
| 39 | Smith Drilling | — | 5 | 234 |
| 40 | United States Geological Survey | — | 4 | 96 |
| 41 | American Drilling Service | — | 3 | 3,553 |
| 42 | Central Pump Company | — | 3 | 75 |
| 43 | Biggs And Freel | — | 3 | 244 |
| 44 | Johnson | — | 3 | 34 |
| 45 | Young's Drilling & Pump Services | — | 2 | 1,840 |
| 46 | Black Mountain Enterprises LLC | — | 2 | 3,016 |
| 47 | Ground Exploration LLC | — | 2 | 1,454 |
| 48 | Newmyer Development Co. | — | 2 | 67 |
| 49 | James Drilling Company | — | 1 | 6,736 |
| 50 | Mccracken Well Drilling Inc. | — | 1 | 733 |
| 51 | Schaal Drilling Co. | — | 1 | 2,203 |
| 52 | The Connector LLC | — | 1 | 451 |
| 53 | Virginia Drilling Co. Inc. | — | 1 | 2,167 |
| 54 | Mcaninch | — | 1 | 330 |
| 55 | Charles Sargent Irrigation Co. Inc. | — | 1 | 296 |
| 56 | Grande Pump Service & Ojo Sprgs Drlng & | — | 1 | 265 |
| 57 | A. E. Biggs & Son | — | 1 | 225 |
| 58 | Brunkhardt Water Well Drilling | — | 1 | 199 |
| 59 | Norris Brothers | — | 1 | 183 |
| 60 | Taylor Exploration Co. | — | 1 | 51 |
| 61 | Wells, Ray S | — | 1 | 40 |
| 62 | Basin Well Service | — | 1 | 35 |
| 63 | L V Eiserman | — | 1 | 31 |
| 64 | Plains Drilling Co. | — | 1 | 30 |
Ranked by wells drilled in Conejos County since 2016 (then all-time), from the full DWR
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 Conejos County?
Heersink Drilling has drilled the most Conejos County wells in the recent record — 193 since 2016, 423 in the county all-time.
How many well drilling companies work in Conejos County?
64 companies in the DWR record have drilled wells in Conejos County; 21 of them have drilled somewhere in Colorado since 2022. Smaller operators below the record threshold may also serve the area.
How deep is a typical well in Conejos County?
The median drilled depth in Conejos County is 100 ft, based on 5,469 recorded wells. Depths, water levels, and yields are on the Conejos County wells page.
Well depths, static water levels, tested yields, and drilling cost estimates for this county live on
the Conejos County wells page.
Drill in Conejos County?
If your company is on this list, your profile is free to claim — confirm your details and add your
contact information so Conejos County property owners reach you directly.
Claim your profile Free to claim · built from DWR public well-log records.