⟁ Oregon Well Data field records · 2026 survey

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Best well drillers in Union County, Oregon

Not a pay-to-play list: these are the 66 drilling companies with wells on record in Union County, ranked by wells actually drilled here — 2,942 logged wells in the Oregon Water Resources Department (OWRD) well-log database (records as of 2026-09-28). Every number links back to the public record.

66companies on record
16active since 2022
2,942wells in county record
#CompanyIn Union Co. since 2016All-time in countyStatewide
1 Earth & Water Works 216 505 1,026
2 Elkhorn Drilling Inc. 68 68 353
3 Courtney Well Drilling, LLC 23 23 259
4 Zollman's Larry Burd Well Drilling LLC 15 19 1,083
5 Riverside Inc. 12 84 214
6 Steven J Coley 8 26 328
7 Carpenter Drilling 3 5 125
8 Marciel Well Drilling & Pumps 3 4 410
9 Holt Services Inc. 2 2 70
10 Water Well Developing & Surveys 1 1 709
11 Stoffel Bros Drilling Co. — 742 1,668
12 O. C. Tandy — 542 656
13 B & A Drilling Co. — 178 212
14 Pitcher Pump And Drilling — 133 248
15 Moore Well Drilling — 78 78
16 Corriell & Sedgwick, Inc. — 65 70
17 O C Tandy Well Drilling — 41 50
18 Environmental West Exploration — 38 55
19 Larry Burd Well Drilling — 37 1,366
20 Dennis Drilling Enterprises, Inc. — 30 145
21 Otto Ellsworth — 29 32
22 Blue MT Well Drilling — 25 270
23 Well ID Application — 24 2,794
24 Wallace Drilling — 23 1,049
25 Owrd Staff — 22 598
26 Intervalley Drilling Co. — 22 30
27 Pitcher Drilling & Constructio — 21 28
28 Deceased 4-21-2010/Stoffel Bros Drilling Co. — 18 51
29 Troy Griffin — 15 39
30 MC Inally Well Drilling — 14 42
31 Prepared BY Owrd Staff — 12 1,283
32 Schneider Equipment Co. — 7 468
33 Jobe Drilling Inc. — 7 281
34 Carl A Pitcher — 7 65
35 Person Pump & Well Drilling — 6 76
36 Land Owner — 5 1,453
37 Water Well Developing Surveys — 5 170
38 K. Dennis — 5 120
39 Ladd Horn Well Drilling — 4 154
40 Kelsey D. Dennis — 4 73
41 A M Jannsen Well Drilling Co. Inc. — 3 1,745
42 R J Strasser Drilling Co. — 3 410
43 Brown & Brown Drilling Co. — 3 88
44 Larry Burd — 3 50
45 Deceased — 3 34
46 Melvin L. Copley — 3 34
47 Western Water Development — 2 986
48 Cascade Drilling LP — 2 325
49 Rick Wallaert Well Drilling — 2 110
50 Maynard Drilling And Pumps Inc. — 2 126
51 Goral LA Porte — 2 45
52 Boart Longyear E & I — 2 39
53 Staab Drilling — 2 28
54 Charles Jungmann Drilling Co. — 2 28
55 Schneider Water Services — 1 168
56 Jones Drilling Co. Inc. — 1 678
57 Holloway Drilling Co. — 1 632
58 Troy Griffin Well Drilling — 1 573
59 Allison Drilling Co. — 1 297
60 Mcinally Well Drilling — 1 196
61 Northwest Drilling — 1 164
62 Orvail Buckner Well Drilling — 1 146
63 A. W. Robinson — 1 135
64 Wallace Well Drilling — 1 101
65 Enloe Drilling Co. — 1 28
66 Deceased/C W Summers Well Drilling — 1 26

Ranked by wells drilled in Union County since 2016 (then all-time), from the full OWRD 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 Union County?

Earth & Water Works has drilled the most Union County wells in the recent record — 216 since 2016, 505 in the county all-time.

How many well drilling companies work in Union County?

66 companies in the OWRD record have drilled wells in Union County; 16 of them have drilled somewhere in Oregon since 2022. Smaller operators below the record threshold may also serve the area.

How deep is a typical well in Union County?

The median drilled depth in Union County is 166 ft, based on 3,826 recorded wells. Depths, water levels, and yields are on the Union County wells page.

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

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