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Best well drillers in Rio Grande County, Colorado
Not a pay-to-play list: these are the 73 drilling companies with wells
on record in Rio Grande County, ranked by wells actually drilled here — 4,524 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.
73companies on record
21active since 2022
4,524wells in county record
| # | Company | In Rio Grande Co. since 2016 | All-time in county | Statewide |
|---|
| 1 | Valley Pump Company | 220 | 979 | 2,579 |
| 2 | Heersink Drilling | 97 | 219 | 1,819 |
| 3 | Cooper Drilling LLC | 34 | 316 | 873 |
| 4 | Burk Drilling Inc. | 16 | 269 | 625 |
| 5 | American Drilling Service | 10 | 303 | 3,553 |
| 6 | Rocky Mountain Waterworks LLC | 8 | 58 | 893 |
| 7 | Pavati Pumps & Drilling | 7 | 8 | 128 |
| 8 | Nwp Drilling & Consulting | 5 | 69 | 634 |
| 9 | Sharpe Drilling Co. | 2 | 2 | 994 |
| 10 | L D Spencer Drilling & Pump | 1 | 376 | 622 |
| 11 | Dak Drilling LLC | 1 | 1 | 1,695 |
| 12 | Irrigation Engineering & Supp. | — | 449 | 1,027 |
| 13 | D W Spencer | — | 235 | 417 |
| 14 | Beiriger & Sons Irrigation | — | 185 | 416 |
| 15 | Mcaninch | — | 141 | 330 |
| 16 | Smith Drilling | — | 128 | 234 |
| 17 | M & G Drilling & Supply | — | 112 | 439 |
| 18 | Larry Burk Drilling | — | 106 | 464 |
| 19 | Maxey Well Works | — | 97 | 146 |
| 20 | Virginia Drilling Co. Inc. | — | 85 | 2,167 |
| 21 | Irrigation & Cont. Spec. | — | 56 | 122 |
| 22 | Mitchell Drilling Co. | — | 51 | 793 |
| 23 | Gayln F. Olsen | — | 33 | 462 |
| 24 | Ground Exploration LLC | — | 29 | 1,454 |
| 25 | Young's Drilling & Pump Services | — | 28 | 1,840 |
| 26 | Central Pump Company | — | 15 | 75 |
| 27 | L V Eiserman | — | 15 | 31 |
| 28 | Eddy Well Drilliing | — | 14 | 141 |
| 29 | United States Geological Survey | — | 14 | 96 |
| 30 | Dalby Pump Service, LLC | — | 13 | 169 |
| 31 | Newmyer Development Co. | — | 13 | 67 |
| 32 | A. E. Biggs & Son | — | 11 | 225 |
| 33 | Glenn E Yeater | — | 11 | 34 |
| 34 | Plains Drilling Co. | — | 8 | 30 |
| 35 | Crawford's Water Well Drilling | — | 7 | 51 |
| 36 | Alpine Drilling & Pump Co. | — | 6 | 980 |
| 37 | Spencer Drilling | — | 5 | 46 |
| 38 | Moody Drilling | — | 4 | 368 |
| 39 | H A Dewey | — | 4 | 53 |
| 40 | Golden Eagle Drilling Corporation | — | 3 | 3,979 |
| 41 | Ojo Spring Drilling & Well Service | — | 3 | 706 |
| 42 | Aztec Drilling Company | — | 3 | 1,234 |
| 43 | Twin Peaks Drilling | — | 3 | 475 |
| 44 | Ecodynamics | — | 3 | 42 |
| 45 | Grande Pump Service & Ojo Sprgs Drlng & | — | 2 | 265 |
| 46 | DA Smith Drilling Company | — | 2 | 108 |
| 47 | HI-Country Drilling | — | 2 | 86 |
| 48 | Independent Drilling Co. | — | 2 | 52 |
| 49 | Johnson | — | 2 | 34 |
| 50 | Hier Drilling Co. Inc. | — | 1 | 9,664 |
| 51 | Beeman Bros Drilling Inc. | — | 1 | 3,538 |
| 52 | Terracon Consultants Inc. | — | 1 | 391 |
| 53 | Dmw Well & Pump Service | — | 1 | 174 |
| 54 | Alpine Drilling Service | — | 1 | 965 |
| 55 | Waneka & Son Drilling | — | 1 | 890 |
| 56 | Werner Drilling & Excavating | — | 1 | 625 |
| 57 | Drilling Engineers Inc. | — | 1 | 553 |
| 58 | Dallas D. Werner | — | 1 | 437 |
| 59 | H A Crandall | — | 1 | 436 |
| 60 | Weber Water Well Drilling & Pump Service LLC | — | 1 | 342 |
| 61 | Finney & Son | — | 1 | 286 |
| 62 | Strain Excavating | — | 1 | 194 |
| 63 | Precision Drilling | — | 1 | 115 |
| 64 | Kilby's Water Well Service | — | 1 | 111 |
| 65 | C. W. Grimshaw Drilling Co. | — | 1 | 97 |
| 66 | Dorris Drilling Co. | — | 1 | 70 |
| 67 | R. N. C. Drilling Co. | — | 1 | 56 |
| 68 | Hill Depriest | — | 1 | 46 |
| 69 | Atlas Drilling Company | — | 1 | 34 |
| 70 | Orville Diss Enterprises | — | 1 | 30 |
| 71 | Ora W Platz | — | 1 | 30 |
| 72 | Norman Cline Well Drilling | — | 1 | 26 |
| 73 | K & R Drilling | — | 1 | 26 |
Ranked by wells drilled in Rio Grande 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 Rio Grande County?
Valley Pump Company has drilled the most Rio Grande County wells in the recent record — 220 since 2016, 979 in the county all-time.
How many well drilling companies work in Rio Grande County?
73 companies in the DWR record have drilled wells in Rio Grande 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 Rio Grande County?
The median drilled depth in Rio Grande County is 100 ft, based on 9,033 recorded wells. Depths, water levels, and yields are on the Rio Grande County wells page.
Well depths, static water levels, tested yields, and drilling cost estimates for this county live on
the Rio Grande County wells page.
Drill in Rio Grande County?
If your company is on this list, your profile is free to claim — confirm your details and add your
contact information so Rio Grande County property owners reach you directly.
Claim your profile Free to claim · built from DWR public well-log records.