California Well Data field records · 2026 survey

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Best well drillers in Sierra County, California

Not a pay-to-play list: these are the 64 drilling companies with wells on record in Sierra County, ranked by wells actually drilled here — 592 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.

64companies on record
19active since 2022
592wells in county record
#CompanyIn Sierra Co. since 2016All-time in countyStatewide
1 B L Grant Inc. 20 20 192
2 Peters Drilling And Pump Service 15 87 11,563
3 Dicken's Drilling 4 51 490
4 Bruce Mackay Pump & Well Service Inc. 4 13 260
5 Well Industries Inc. 4 4 558
6 Stonehouse Well Drilling 4 4 157
7 Steve's Pumps & Well Drilling Inc. 2 5 162
8 Belknap Pump Company Inc. 2 2 340
9 Your H20 Pro 1 1 58
10 Nor - Cal Pump & Well Drilling Inc. 1 1 248
11 Gary C Tanko Well Drilling Inc. 73 12,022
12 John Linn Drilling, Co. 53 428
13 Paul Williams And Sons 29 175
14 Signal Drilling Company 23 8,301
15 Sargent Drilling 20 442
16 Bfr Associates 16 5,621
17 Aufdenkamp Drilling Inc. 16 2,330
18 Tahoe Pump & Drilling Inc. 16 358
19 Morris And Nelson 14 75
20 W E Blain 12 82
21 Nelson Well Drilling 10 94
22 Humboldt Drilling & Pump Co. 9 131
23 Kimzey- Lee Well & Pump Co. 9 95
24 Waldrop Drilling & Pump Co. Inc. 9 57
25 Mel Meyer 8 101,127
26 Turner Drilling 8 129
27 Levy Matthews & Son 7 35
28 R Wilder Gen Cont 5 409
29 Scott Xxx PC Exploration Inc. 5 154
30 Eaton Drilling Co. LLC 4 3,793
31 Beymer Well Service 4 2,921
32 Wayne Environmental Drilling Company Inc. 4 664
33 Cranmer & Ellis Water Well Drillers 4 197
34 C & M Drilling Co. 4 41
35 Diamond Well Drilling Company Inc. 3 1,150
36 Aqua Drilling & Well Service Inc. 3 37
37 Enloe Well Drilling 2 279
38 Tanko Gary C Well Drilling 2 284
39 Wayne Drilling Co. 2 1,113
40 Starr Drilling And Pump Co. 2 875
41 Underwood Well Drilling 2 586
42 Allen Drilling & Equipment Co. 2 311
43 Hunt Tom Drilling & Construction Co. 2 112
44 Welltest Inc. 2 52
45 Johnson Drilling Co. 1 11,865
46 Diamond Core Drilling Inc. 1 480
47 Les Petersen Drilling & Pump Inc. 1 4,096
48 Bertram Drilling Inc. 1 1,171
49 W D C Exploration & Wells 1 2,421
50 Allen Drilling Co. 1 1,295
51 Pitcher Drilling Co. 1 1,232
52 Hunt Drilling Company Inc. 1 1,213
53 Wilder, R., Drilling Company 1 1,089
54 S A Andresen All Terrain Exploration 1 468
55 Tom Hunt Drilling Co. 1 418
56 Williams Well Drilling 1 376
57 Sage Bros Drilling Co. 1 232
58 Portola Pump & Drilling 1 116
59 Brown Brothers Drilling 1 102
60 Hydro Resources - West Inc. 1 97
61 L. Wade Inc. 1 93
62 Koenig Enterprises 1 83
63 E Larsen 1 47
64 Aaa Pump 1 28

Ranked by wells drilled in Sierra 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 Sierra County?

B L Grant Inc. has drilled the most Sierra County wells in the recent record — 20 since 2016, 20 in the county all-time.

How many well drilling companies work in Sierra County?

64 companies in the DWR record have drilled wells in Sierra County; 19 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 Sierra County?

The median drilled depth in Sierra County is 175 ft, based on 830 recorded wells. Depths, water levels, and yields are on the Sierra County wells page.

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

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