California Well Data field records · 2026 survey

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Best well drillers in Santa Cruz County, California

Not a pay-to-play list: these are the 111 drilling companies with wells on record in Santa Cruz County, ranked by wells actually drilled here — 6,633 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.

111companies on record
42active since 2022
6,633wells in county record
#CompanyIn Santa Cruz Co. since 2016All-time in countyStatewide
1 Earth Flow Drilling Company 296 1,303 2,192
2 Maggiora Bros Drilling Inc. 61 1,164 4,674
3 Landino Drilling Co. 32 112 151
4 Environmental Control Associates 29 43 277
5 Trinity Drilling Inc. 23 23 36
6 Cascade Drilling LP 20 20 826
7 Trinity Source Group Inc. 19 22 67
8 Cascade Drilling L P 12 21 2,827
9 Chappell Pump & Supply Inc. 8 68 927
10 Exploration Geoservices Inc. 7 55 956
11 Gregg Drilling & Testing Inc. 6 52 4,828
12 Guardino Well Drilling Inc. 4 8 1,736
13 American Construction And Supply Inc. 4 6 1,685
14 Zim Industries Inc. Dba Bakersfield Well & Pump Co. 4 6 1,716
15 Corrpro Companies Inc. 4 4 737
16 Eaton Drilling Co. LLC 3 35 3,793
17 Pacific Coast Well Drilling Inc. 3 3 337
18 Dougherty Pump & Drilling Inc. 2 65 486
19 Granite Drilling Company 2 16 476
20 Wilkinson Enterprises Inc. 2 4 445
21 Kenneth Roman 1 201 320
22 Landino Well Drilling 1 67 73
23 Gregory Drilling Incorporated 1 1 143
24 Coast Drilling Inc. 1 1 278
25 T S A Drilling Inc. Dba Penecore Drilling 1 1 577
26 Pitcher Services LLC 1 1 114
27 South Valley Pump & Drilling 1 1 69
28 D B Drilling Co. 791 973
29 Landino Construction And Well Drilling 674 703
30 Freedom General Repair & Pump Shop 523 690
31 Thomas E Mccaw Well Drilling 140 141
32 Signal Drilling Company 129 8,301
33 Capitola Pump & Supply Co. 124 129
34 Roman Well Drilling 95 242
35 Fred Ash & Sons 74 1,217
36 C F Dougherty 62 685
37 Sprague Pump Co. 58 66
38 Clifford Pump & Well Company 52 117
39 Capitola Pump Inc. 50 51
40 Woodward Drilling Company Inc. 45 1,542
41 Tide Tool & Engr. Co. 43 128
42 Western Well Drilling Co. Ltd 39 842
43 Harry Ross 36 37
44 Pollock's Drilling & Pump Service 28 39
45 C & N Pump & Well Co. 25 697
46 Pitcher Drilling Co. 24 1,232
47 Robert Garcia Well & Pump Co. 19 192
48 Melville L E & Sons Drilling Co. Inc. 15 262
49 Murphy Pump & Supply 15 31
50 William Porter Well Drilling 14 46
51 J. T. Robinett & Sons 13 67
52 Moss Roscoe Company 11 1,220
53 Resonantsonic International Inc. 11 397
54 Bc2 Environmental LLC 10 416
55 Guardino Pump & Well 10 482
56 W D C Exploration & Wells 10 2,421
57 Big Valley Drilling 10 294
58 Fred Ash & Sons Lynch Pump Co. 9 118
59 Salinas Pump Company 9 712
60 Montalvo Well & Pump Co. 9 113
61 Valley Pump & Drilling Co. 8 475
62 Layne-Western Co. Inc. 8 255
63 Layne Christensen Company 7 2,362
64 Myers Brothers Inc. 7 796
65 Richardson Ernest Walker 7 129
66 Roy Alsop Pump & Drilling 6 173
67 Groundwater Technology 6 46
68 Lovejoy Sherwood JR 6 38
69 DE LA Grange & Sons Inc. 5 263
70 Cascade Drilling Inc. - California 5 3,167
71 V & W Drilling 5 310
72 Pioneer Pump And Well Co. 5 195
73 Golden Empire Drilling 5 168
74 Well Tech 5 32
75 J P Pilkens Water Well Drlg 5 31
76 Bill Belknap 4 2,758
77 Fred W Porter & Sons 4 105
78 The Pump Shop Inc. 4 33
79 Bayland Drillers 3 317
80 Castle Construction & Well Drilling Inc. 3 142
81 L. E. Melville & Son, Inc. 3 80
82 California Well Drilling & Pump Co. 3 37
83 P/D Drilling Co. 3 25
84 Cache Creek Drilling 2 247
85 Bfr Associates 2 5,621
86 Myers Reverse, Inc. 2 2,389
87 West Hazmat Drilling Corp 2 1,702
88 Beylik Drilling & Pump Service 2 1,267
89 Harris A J Co. 2 239
90 ED Fields Water Well Drilling 2 234
91 Scott Xxx PC Exploration Inc. 2 154
92 Bradley & Sons Inc. 1 3,627
93 Arthur & Orum Well Drilling Inc. 1 3,219
94 Myers Brothers Well Drilling Inc. 1 2,865
95 Maier & Dougherty Pump & Supply Inc. 1 241
96 Clear Heart Drilling Inc. 1 694
97 Martell Water Systems Inc. 1 1,094
98 Boart Longyear Company 1 172
99 Gopher Drilling 1 79
100 Digges & Son 1 421
101 Cullum Systems Incorporated 1 277
102 Pacific Gas And Electric Company 1 264
103 Precision Sampling Inc. 1 234
104 Redfeairn R L Drilling 1 195
105 Pearson Well Drilling 1 176
106 Aqua Science Engineers Inc. 1 131
107 V F Bassett 1 101
108 Ase Drilling Inc. 1 82
109 Dexter Machinery 1 53
110 Arthur's Well Drilling 1 41
111 Bosearello Enterprises 1 30

Ranked by wells drilled in Santa Cruz 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 Santa Cruz County?

Earth Flow Drilling Company has drilled the most Santa Cruz County wells in the recent record — 296 since 2016, 1,303 in the county all-time.

How many well drilling companies work in Santa Cruz County?

111 companies in the DWR record have drilled wells in Santa Cruz County; 42 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 Santa Cruz County?

The median drilled depth in Santa Cruz County is 248 ft, based on 7,337 recorded wells. Depths, water levels, and yields are on the Santa Cruz County wells page.

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

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