Illinois Well Data field records · 2026 survey

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Best well drillers in St. Clair County, Illinois

Not a pay-to-play list: these are the 68 drilling companies with wells on record in St. Clair County, ranked by wells actually drilled here — 4,172 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.

68companies on record
12active since 2022
4,172wells in county record
#CompanyIn St. Clair Co. since 2016All-time in countyStatewide
1 Haake, Ralph 85 158 798
2 Dohrman, Dale Raymond 36 436 770
3 Beckett, Donald 33 164 655
4 Schmalfeldt, Todd 31 34 197
5 Ray Mueller 12 12 30
6 Gebke, Randy 10 16 93
7 Dowdy, Tony Jr. 9 13 39
8 Skouby, Charles A. 8 11 118
9 Greg A. Evans 8 9 102
10 Harriss, Chuck 8 9 61
11 Durbin, Kandra M. 7 8 143
12 Durbin, Dominique 2 2 102
13 Roberts, Charles Wayne 1 75 258
14 Hemmen, Jake 1 1 27
15 Kohnen, Clarence 1,708 12,561
16 Haudrich, Clyde Jerome 164 1,121
17 Noll, Gary E. 159 2,513
18 Dohrman, Raymond 129 215
19 St. Charles Drilling Co. 96 463
20 Kohnen, Clarence E. 91 159
21 Quality Farm Equip 77 77
22 Haudrich Drlg. 76 373
23 Wilson, Carl 65 109
24 Dohrman, Donald W. 61 102
25 Bekemeyer, Gust 59 919
26 Luhr Brothers, Inc. 56 101
27 Miller, Alfred Hampton 50 246
28 D & S Drilling 44 273
29 Davinroy, Mark 40 100
30 Chitwood, Charles P. 27 110
31 Watson, Harold L. 27 29
32 U S Army Corp OF Eng 26 26
33 Dragovich, Mark G. 25 268
34 NO Company 25 508
35 Layne Western Co., Inc. 19 1,442
36 Arron Baum 18 223
37 Baum, Arron 17 187
38 Pohlman, Herman J. 15 367
39 Hayes & Sims 14 115
40 D & M Builders 14 52
41 Ruester, John T. 12 166
42 Wilson, Carline 12 107
43 Bush, Henry L. 11 638
44 Randy Gebke 11 50
45 Hepp, Frank D. Jr. 8 684
46 Roberts Environmental 7 30
47 Sisk, Gary Drill Co. 7 63
48 Wiesenhofer, Andrew 6 1,411
49 Link, Harold F. 5 1,386
50 Walters, Steven 5 1,374
51 Gwin Drilling Co. 4 477
52 Norman E D 4 37
53 Haverstick Well & Equp 4 26
54 Baker, Earl Jr. 3 1,667
55 Beanland, John R. 3 570
56 Wilson, Arnold 3 67
57 Baker, E. C. & Sons 2 232
58 Hatfield, Larry 2 85
59 Mccord, Daniel 2 35
60 Phillip Services (Env.) 2 26
61 Brotcke Engineering 2 25
62 Callihan, Michael M. 1 218
63 Warth, William 1 130
64 Rimbey, Jesse Dick 1 115
65 Hayes & Sims Drlg 1 54
66 Crawford, H. 1 43
67 Jeff Crank % Harriss Drilling 1 35
68 Woodward, Lawrence F. 1 28

Ranked by wells drilled in St. Clair 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 St. Clair County?

Haake, Ralph has drilled the most St. Clair County wells in the recent record — 85 since 2016, 158 in the county all-time.

How many well drilling companies work in St. Clair County?

68 companies in the ISGS record have drilled wells in St. Clair County; 12 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 St. Clair County?

The median drilled depth in St. Clair County is 79 ft, based on 4,597 recorded wells. Depths, water levels, and yields are on the St. Clair County wells page.

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

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