California Well Data field records · 2026 survey

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Best well drillers in Mono County, California

Not a pay-to-play list: these are the 69 drilling companies with wells on record in Mono County, ranked by wells actually drilled here — 1,258 logged wells in the California Department of Water Resources (DWR) Well Completion Reports database (records as of 2026-08-14). Every number links back to the public record.

69companies on record
23active since 2022
1,258wells in county record
#CompanyIn Mono Co. since 2016All-time in countyStatewide
1 Bruce Mackay Pump & Well Service Inc. 47 77 260
2 Maranatha Drilling And Pump Service 11 127 307
3 J & H Drilling Co. Inc. 8 8 978
4 Bc2 Environmental LLC 3 3 416
5 Layne Christensen Company 1 21 2,362
6 Steve's Pumps & Well Drilling Inc. 1 7 162
7 Stonehouse Well Drilling 1 4 157
8 Farm Pump And Irrigation Company Inc. 1 2 451
9 Sullivan Drilling Inc. 1 1 1,387
10 Yellow Jacket Drilling Services LLC 1 1 291
11 Pacific Coast Well Drilling Inc. 1 1 337
12 Best Drilling And Pump Inc. 1 1 248
13 Maranatha Drilling 261 423
14 Mel Meyer 183 101,127
15 Kile's Well Drilling 101 943
16 Reeve Ralph Pump & Well Service 72 145
17 Joseph F. Leisek 60 126
18 Johnson Drilling Co. 59 11,865
19 Cruse Drilling Co. 35 341
20 W N (Bill) Stout 16 27
21 W E Blain 15 82
22 West Hazmat Drilling Corp 14 1,702
23 Aqua Drilling & Well Service Inc. 14 37
24 Rottman Drilling Co. 13 1,331
25 Beylik Drilling & Pump Service 13 1,267
26 Island Drilling 13 221
27 Sargent Drilling 12 442
28 Kirschenman's Well Drilling 12 1,159
29 Humboldt Drilling & Pump Co. 10 131
30 Bfr Associates 9 5,621
31 Starr Drilling And Pump Co. 7 875
32 Zim Industries Inc. Dba Bakersfield Well & Pump Co. 6 1,716
33 ED Fields Water Well Drilling 6 234
34 Western Well Drilling Co. Ltd 5 842
35 Tom Hunt Drilling Co. 5 418
36 C. Cruse Drilling 5 301
37 Hydro Resources - West Inc. 5 97
38 Spectrum Exploration Inc. 4 307
39 J Field Drilling Co. 4 275
40 Ase Drilling Inc. 4 82
41 Pierson Drilling 4 59
42 Jack Jones Wells & Pumps 3 1,145
43 American Construction And Supply Inc. 2 1,685
44 Signal Drilling Company 2 8,301
45 Cascade Drilling Inc. - California 2 3,167
46 Pitcher Drilling Co. 2 1,232
47 Moss Roscoe Company 2 1,220
48 Fox Loomis Incorporated 2 225
49 Evans Bros 2 107
50 F P I Well Drilling Inc. 2 96
51 Canepa And Sons Inc. 1 3,173
52 Abundant Water Wells 1 173
53 Tanko Bros Inc. 1 2,617
54 Howard Pump Inc. A California Corporation 1 1,650
55 Gopher Drilling 1 79
56 W D C Exploration & Wells 1 2,421
57 Myers Reverse, Inc. 1 2,389
58 Hunt Drilling Company Inc. 1 1,213
59 Jensen Drilling Company 1 186
60 Bass Drilling 1 154
61 Roscoe Moss Company 1 130
62 Ephraim Harris 1 127
63 Star Well Drilling & Pump Co. 1 122
64 Layne Environmental Services Inc. 1 104
65 Old Creek Drilling 1 94
66 Melvin L Lukins 1 93
67 Modoc Drilling 1 90
68 C & M Drilling Co. 1 41
69 C Johnson Well Drilling & Pump 1 25

Ranked by wells drilled in Mono 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 Mono County?

Bruce Mackay Pump & Well Service Inc. has drilled the most Mono County wells in the recent record — 47 since 2016, 77 in the county all-time.

How many well drilling companies work in Mono County?

69 companies in the DWR record have drilled wells in Mono County; 23 of them have drilled somewhere in California since 2022. Smaller operators below the record threshold may also serve the area.

How deep is a typical well in Mono County?

The median drilled depth in Mono County is 200 ft, based on 1,511 recorded wells. Depths, water levels, and yields are on the Mono County wells page.

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

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