Illinois Well Data field records · 2026 survey

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Best well drillers in Mason County, Illinois

Not a pay-to-play list: these are the 70 drilling companies with wells on record in Mason County, ranked by wells actually drilled here — 2,850 logged wells in the Illinois State Geological Survey water well records (records as of 2026-08-20). Every number links back to the public record.

70companies on record
11active since 2022
2,850wells in county record
#CompanyIn Mason Co. since 2016All-time in countyStatewide
1 Tracy A Mcconnel 61 62 140
2 Henry, John 47 287 868
3 Greg Tarter 39 40 67
4 Greenfield, Edward K. 38 291 833
5 Cole, Steve 25 90 344
6 Danner, James 18 22 51
7 Warner, Scott 12 48 100
8 Wagenbach, Mark 11 11 293
9 Jones, Spencer R. 4 57 58
10 Erwin, James R. 3 4 36
11 Grosch Irrigation 2 32 166
12 Layten, Mark J. 1 1 312
13 Tri County Irrigation & 1 1 39
14 Crowe, Daniel J. 1 1 76
15 Dirks, Michael 347 1,115
16 Dowell, S.l. 306 495
17 Grosch, Wayne A. 186 528
18 Mckinney, Ted 127 310
19 Brown Irrigation Co. 113 124
20 Albrecht, S. D. 90 413
21 Grosch, Gottlieb W. 74 89
22 Albrecht, S. Dean 73 1,836
23 William H. Crumpler 70 70
24 Albrecht, Dean S. 60 693
25 Hatfield, Larry 60 85
26 Klassen, Genevieve M. 40 96
27 Biggerstaff, Dr. James 30 30
28 Sauder, Steven E. 29 2,716
29 Klassen, Genevieve Sue 24 67
30 Ziegler, Bryan C 23 34
31 Biggerstaff, James 19 406
32 Cole, Raymond J. 18 1,135
33 Dirks, Michael J. 18 77
34 Grosch, Dick 18 47
35 Hopson, S. C. 17 84
36 Gibbs Well Drilling 14 141
37 Greenfield, ED 14 137
38 Chadwick, George 14 75
39 Crumpler, William 13 153
40 Wehling, R. H. 13 76
41 Williams, Robert 10 300
42 Chadwick, G. W. 10 25
43 Chadwick, George W. 9 57
44 Layne Western Co., Inc. 8 1,442
45 Hayes, Charles M. 7 67
46 Hofstetter, William S. 6 656
47 Knierim Company, Inc. 5 888
48 Miller, J. P. Art. Well 4 291
49 Bolliger, John & Sons 4 136
50 Coppenbarger, Floyd Lyle 4 74
51 Hopson, Seldon C 3 974
52 Dement, Ray 2 171
53 Luhr Brothers, Inc. 2 101
54 Erwin, James 2 85
55 Ebert, Chris Drilling 2 29
56 Albrecht, Harold Dean 1 1,132
57 Wiesenhofer, Andrew 1 1,411
58 Wehling Well Works, Inc. 1 755
59 Ebert, Robert H 1 606
60 NO Company 1 508
61 Wiesenhofer, Donald E. 1 253
62 Baker, E. C. & Sons 1 232
63 Hofstetter, Ralph W. 1 208
64 Buffington, G. 1 130
65 Carson, James R. 1 101
66 Harding, Thomas D. 1 77
67 Springer, Howard 1 67
68 Layne-Western Drlg 1 61
69 Ebert M & Co. 1 60
70 Sauder Well Drilling 1 59

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

Tracy A Mcconnel has drilled the most Mason County wells in the recent record — 61 since 2016, 62 in the county all-time.

How many well drilling companies work in Mason County?

70 companies in the ISGS record have drilled wells in Mason County; 11 of them have drilled somewhere in Illinois since 2022. Smaller operators below the record threshold may also serve the area.

How deep is a typical well in Mason County?

The median drilled depth in Mason County is 98 ft, based on 3,074 recorded wells. Depths, water levels, and yields are on the Mason County wells page.

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

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