Minnesota Well Data field records · 2026 survey

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Best well drillers in Olmsted County, Minnesota

Not a pay-to-play list: these are the 66 drilling companies with wells on record in Olmsted County, ranked by wells actually drilled here — 2,303 logged wells in the Minnesota County Well Index (CWI), maintained by the Minnesota Geological Survey and the Minnesota Department of Health (records as of 2026-08-13). Every number links back to the public record.

66companies on record
17active since 2022
2,303wells in county record
#CompanyIn Olmsted Co. since 2016All-time in countyStatewide
1 Underdahl, N 94 116 249
2 Peterson, S. 57 231 613
3 Hanson, B 52 64 241
4 Gilsdorf, M 25 25 50
5 Williams, J. 19 47 121
6 Rowland, N. 14 290 712
7 Doffing, P 13 13 150
8 Carlson, P. 3 55 1,237
9 Strobel, D. 2 15 34
10 Raaen, D. 2 7 976
11 Rowland, S. 2 6 28
12 Peterson, J. 1 13 210
13 Carlson, Paul 1 8 31
14 Burmeister, B 1 1 58
15 Illa, C. 1 1 160
16 Rowland, B/S 1 1 30
17 Van Houten, D 218 421
18 Vanhouten, D. 153 270
19 Rowland, Neil 142 147
20 Morrison, D. 117 1,271
21 Duryea, V. 82 82
22 Gochnauer, B. 65 293
23 Kurth, R. 51 168
24 Narveson, A. 49 151
25 Mueske, R. 48 81
26 Sanders, T. 45 177
27 Thein, D. 42 61
28 Hanson, T. 39 51
29 Paul/Mike 38 210
30 Cottrell, J. 33 379
31 Christenson, 32 54
32 Rowland, A. 31 40
33 Gilman, G. 28 81
34 Krause, M. 26 221
35 Siebenaler, D 21 34
36 Otto, F. 20 402
37 Miller, M. 17 1,189
38 Ben/Scott 16 100
39 Dowell, D 14 38
40 Otto, R. 10 54
41 Thein, M. 7 58
42 Cotrell, J. 6 54
43 Quam, N. 6 41
44 Christenson,D 6 36
45 Emery, K. 6 26
46 Larson, R. 5 173
47 State, M. 4 108
48 Vaught, B. 4 103
49 Rowland, B. 4 33
50 Larson, L. 3 537
51 Christianson, 2 82
52 Ranisate, J. 2 324
53 Chavie, R. 2 119
54 Larson, D. 2 42
55 Engelhardt, R 2 29
56 Larson, J. 2 25
57 Remarks 1 315
58 Fritz, R. 1 388
59 Anderson, L. 1 1,852
60 Johnson, J. 1 247
61 Hertling, E. 1 188
62 Severtson, J. 1 127
63 Morrison, R. 1 119
64 Peterson, A. 1 73
65 Christensen,R 1 44
66 Peterson 1 41

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

Underdahl, N has drilled the most Olmsted County wells in the recent record — 94 since 2016, 116 in the county all-time.

How many well drilling companies work in Olmsted County?

66 companies in the CWI record have drilled wells in Olmsted County; 17 of them have drilled somewhere in Minnesota since 2022. Smaller operators below the record threshold may also serve the area.

How deep is a typical well in Olmsted County?

The median drilled depth in Olmsted County is 338 ft, based on 5,227 recorded wells. Depths, water levels, and yields are on the Olmsted County wells page.

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

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