Colorado Well Data field records · 2026 survey

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Best well drillers in Alamosa County, Colorado

Not a pay-to-play list: these are the 75 drilling companies with wells on record in Alamosa County, ranked by wells actually drilled here — 3,313 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.

75companies on record
20active since 2022
3,313wells in county record
#CompanyIn Alamosa Co. since 2016All-time in countyStatewide
1 Heersink Drilling 156 401 1,819
2 Valley Pump Company 89 357 2,579
3 Pavati Pumps & Drilling 75 82 128
4 Cooper Drilling LLC 30 231 873
5 Rocky Mountain Waterworks LLC 21 396 893
6 Nwp Drilling & Consulting 21 192 634
7 Sharpe Drilling Co. 14 15 994
8 Burk Drilling Inc. 12 112 625
9 Kelley Dewatering And Construction Company 1 1 538
10 Biggs And Freel 186 244
11 Irrigation Engineering & Supp. 134 1,027
12 Mitchell Drilling Co. 129 793
13 Gayln F. Olsen 96 462
14 D W Spencer 93 417
15 A. E. Biggs & Son 88 225
16 Smith Drilling 73 234
17 Speelman Drilling 61 74
18 Beiriger & Sons Irrigation 59 416
19 HI-Country Drilling 50 86
20 M & G Drilling & Supply 48 439
21 Eddy Well Drilliing 42 141
22 Mcaninch 38 330
23 Wells, Ray S 38 40
24 L D Spencer Drilling & Pump 34 622
25 Dalby Pump Service, LLC 30 169
26 Werner Drilling & Excavating 28 625
27 Newmyer Development Co. 27 67
28 Henkle Drillng & Supply Co.inc 26 384
29 Spencer Drilling 24 46
30 Independent Drilling Co. 22 52
31 Central Pump Company 18 75
32 United States Geological Survey 17 96
33 Orville Diss Enterprises 16 30
34 Burgess Well Company Inc. 13 456
35 Gale Martin 11 120
36 Ecodynamics 11 42
37 L V Eiserman 11 31
38 C. W. Grimshaw Drilling Co. 10 97
39 Gritz Drilling And Supply 8 197
40 Maxey Well Works 6 146
41 Irrigation & Cont. Spec. 6 122
42 Crawford's Water Well Drilling 5 51
43 L C Williamson 5 31
44 Twin Peaks Drilling 4 475
45 Ground Exploration LLC 4 1,454
46 H A Dewey 4 53
47 Ora W Platz 4 30
48 American Drilling Service 3 3,553
49 Ojo Spring Drilling & Well Service 3 706
50 Holden & Holden 3 1,000
51 Moody Drilling 3 368
52 Weber Water Well Drilling & Pump Service LLC 3 342
53 Vista Geoscience 3 72
54 Glenn E Yeater 3 34
55 Allen Drilling & Excavating Co., Inc. 2 3,788
56 Virginia Drilling Co. Inc. 2 2,167
57 Alpine Drilling & Pump Co. 2 980
58 Plains Drilling Co. 2 30
59 Duwayne D Cornum 2 25
60 Golden Eagle Drilling Corporation 1 3,979
61 Canfield Drilling Company 1 3,439
62 Black Mountain Enterprises LLC 1 3,016
63 Hegwood Drilling 1 213
64 Hersh & Son Well Drilling Inc. 1 2,015
65 Stewart Drilling Co. 1 2,007
66 Glenn A. Clement 1 1,297
67 Drilling Engineers Inc. 1 553
68 Larry Burk Drilling 1 464
69 Dallas D. Werner 1 437
70 Timber Line Drilling 1 415
71 Mark A. Huffington 1 272
72 MA-Bel Drilling 1 187
73 J Dixon 1 82
74 Kenneth Roberts 1 59
75 John Snyder 1 39

Ranked by wells drilled in Alamosa 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 Alamosa County?

Heersink Drilling has drilled the most Alamosa County wells in the recent record — 156 since 2016, 401 in the county all-time.

How many well drilling companies work in Alamosa County?

75 companies in the DWR record have drilled wells in Alamosa County; 20 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 Alamosa County?

The median drilled depth in Alamosa County is 100 ft, based on 8,872 recorded wells. Depths, water levels, and yields are on the Alamosa County wells page.

Well depths, static water levels, tested yields, and drilling cost estimates for this county live on the Alamosa County wells page.

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