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Best well drillers in Costilla County, Colorado
Not a pay-to-play list: these are the 69 drilling companies with wells
on record in Costilla County, ranked by wells actually drilled here — 2,011 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.
69companies on record
24active since 2022
2,011wells in county record
| # | Company | In Costilla Co. since 2016 | All-time in county | Statewide |
|---|
| 1 | Heersink Drilling | 222 | 385 | 1,819 |
| 2 | Ojo Spring Drilling & Well Service | 129 | 223 | 706 |
| 3 | Valley Pump Company | 43 | 211 | 2,579 |
| 4 | Sharpe Drilling Co. | 33 | 44 | 994 |
| 5 | Weber Water Well Drilling & Pump Service LLC | 32 | 78 | 342 |
| 6 | Cooper Drilling LLC | 9 | 48 | 873 |
| 7 | Rocky Mountain Waterworks LLC | 7 | 72 | 893 |
| 8 | Boday Well Drilling | 7 | 16 | 1,243 |
| 9 | Nwp Drilling & Consulting | 6 | 26 | 634 |
| 10 | Twin Peaks Drilling | 2 | 5 | 475 |
| 11 | Pavati Pumps & Drilling | 2 | 4 | 128 |
| 12 | Andreatta Well Service LLC | 2 | 3 | 41 |
| 13 | Hamacher Well Works Inc. | 2 | 2 | 10,445 |
| 14 | Pro Well & Pump | 1 | 1 | 615 |
| 15 | Dallas D. Werner | 1 | 1 | 437 |
| 16 | Schott Bros. Drilling | 1 | 1 | 406 |
| 17 | Mitchell Drilling Co. | — | 325 | 793 |
| 18 | Dalby Pump Service, LLC | — | 86 | 169 |
| 19 | Gayln F. Olsen | — | 85 | 462 |
| 20 | M & G Drilling & Supply | — | 60 | 439 |
| 21 | Irrigation Engineering & Supp. | — | 37 | 1,027 |
| 22 | Mccoy Water Well/Precision Drilling | — | 33 | 88 |
| 23 | Layne, Christensen Co. | — | 24 | 1,963 |
| 24 | Eddy Well Drilliing | — | 24 | 141 |
| 25 | Johnson | — | 23 | 34 |
| 26 | Gritz Drilling And Supply | — | 21 | 197 |
| 27 | Werner Drilling & Excavating | — | 13 | 625 |
| 28 | D W Spencer | — | 13 | 417 |
| 29 | Don Stewart & Son Drilling | — | 12 | 654 |
| 30 | HI-Country Drilling | — | 12 | 86 |
| 31 | Ground Exploration LLC | — | 11 | 1,454 |
| 32 | Timber Line Drilling | — | 9 | 415 |
| 33 | Grande Pump Service & Ojo Sprgs Drlng & | — | 8 | 265 |
| 34 | Virginia Drilling Co. Inc. | — | 7 | 2,167 |
| 35 | Crawford's Water Well Drilling | — | 7 | 51 |
| 36 | Authentic Drilling | — | 6 | 279 |
| 37 | Moody Drilling | — | 6 | 368 |
| 38 | Biggs And Freel | — | 6 | 244 |
| 39 | A. E. Biggs & Son | — | 6 | 225 |
| 40 | Burk Drilling Inc. | — | 5 | 625 |
| 41 | Routt Drilling Co. | — | 5 | 524 |
| 42 | Precision Drilling | — | 5 | 115 |
| 43 | Independent Drilling Co. | — | 5 | 52 |
| 44 | Speelman Drilling | — | 4 | 74 |
| 45 | Ecodynamics | — | 4 | 42 |
| 46 | Golden Drilling Inc. | — | 3 | 40 |
| 47 | Central Pump Company | — | 2 | 75 |
| 48 | Larry Burk Drilling | — | 2 | 464 |
| 49 | Colorado Water Well Pump Service & Supply Inc. | — | 2 | 113 |
| 50 | American Drilling Service | — | 1 | 3,553 |
| 51 | Hier Drilling Co. Inc. | — | 1 | 9,664 |
| 52 | Finney Drilling | — | 1 | 1,283 |
| 53 | C. R. Smith Drilling | — | 1 | 2,039 |
| 54 | The Connector LLC | — | 1 | 451 |
| 55 | Can-America Drilling, Inc. | — | 1 | 5,159 |
| 56 | Rocky Mtn Drilling And Pump Services LLC | — | 1 | 338 |
| 57 | Aspen Drilling Company Inc. | — | 1 | 2,648 |
| 58 | Alpine Drilling & Pump Co. | — | 1 | 980 |
| 59 | L D Spencer Drilling & Pump | — | 1 | 622 |
| 60 | Smith Drilling | — | 1 | 234 |
| 61 | Fred Wratislaw | — | 1 | 217 |
| 62 | Western Sprinklers Inc. | — | 1 | 148 |
| 63 | Marco Exploration | — | 1 | 102 |
| 64 | Paul David Huff | — | 1 | 71 |
| 65 | H A Dewey | — | 1 | 53 |
| 66 | Taylor Exploration Co. | — | 1 | 51 |
| 67 | Clibon Well Drilling Co. | — | 1 | 47 |
| 68 | Orville Diss Enterprises | — | 1 | 30 |
| 69 | High Country Drilling Co. | — | 1 | 29 |
Ranked by wells drilled in Costilla 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 Costilla County?
Heersink Drilling has drilled the most Costilla County wells in the recent record — 222 since 2016, 385 in the county all-time.
How many well drilling companies work in Costilla County?
69 companies in the DWR record have drilled wells in Costilla County; 24 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 Costilla County?
The median drilled depth in Costilla County is 170 ft, based on 3,855 recorded wells. Depths, water levels, and yields are on the Costilla County wells page.
Well depths, static water levels, tested yields, and drilling cost estimates for this county live on
the Costilla County wells page.
Drill in Costilla County?
If your company is on this list, your profile is free to claim — confirm your details and add your
contact information so Costilla County property owners reach you directly.
Claim your profile Free to claim · built from DWR public well-log records.