⟁ Illinois Well Data field records · 2026 survey

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Best well drillers in Knox County, Illinois

Not a pay-to-play list: these are the 57 drilling companies with wells on record in Knox County, ranked by wells actually drilled here — 1,569 logged wells in the Illinois State Geological Survey water well records (records as of 2026-10-12). Every number links back to the public record.

57companies on record
6active since 2022
1,569wells in county record
#CompanyIn Knox Co. since 2016All-time in countyStatewide
1 Allen, Joseph 41 78 792
2 Dryden, Michael 14 45 349
3 Gingerich, Corwin 8 12 331
4 Bassham, Billy 2 17 557
5 Wiesenhofer, Andrew 2 7 1,489
6 Stoll, Austen 1 1 156
7 Gelement, Val 1 1 95
8 Hopson, Seldon C — 357 1,004
9 Kremer, Jack Lee — 235 797
10 Hopson, Scott — 189 395
11 Adolphson, Robert M. Jr. — 69 759
12 Blake, Russell — 66 105
13 Blake, Russell K. — 57 98
14 Kuntz, John E. — 56 503
15 Cole, Raymond J. — 54 1,228
16 Wakefield, Jerry H — 34 164
17 Springer, Howard — 31 72
18 Glen Dana — 30 141
19 Sauder, Steven E. — 25 2,983
20 Hunter, Dennis — 24 149
21 Roy Thorne — 20 274
22 Adolphson, Bob — 18 63
23 Cosby, Edward L. Sr. — 12 196
24 Hawkins, Howard/Adolphson, Bob — 12 110
25 Hopson, S. C. — 11 85
26 Cosby, E. L. — 10 65
27 Norton, William H. — 10 35
28 Acker, Roger — 9 413
29 Harding, Thomas D. — 8 85
30 Dana, Glen — 7 225
31 Winslow, Edwin F. — 7 163
32 Latta, Kirk Stephen — 6 1,463
33 Guarin, Harland — 6 196
34 Bjorklund, Lloyd A. — 6 162
35 Dana, Steve — 5 151
36 Joseph Allen — 4 110
37 Gingerich, Emery Duane — 3 94
38 Layne-Western Co. — 2 1,635
39 Scherf Robert William — 2 628
40 NO Company — 2 564
41 Scherf, Robert W. — 2 320
42 Kuntz, Peter William — 2 176
43 Kuntz, John — 2 165
44 Michael Dryden — 2 49
45 Albrecht, S. Dean — 1 1,880
46 Reynolds Well Drilling — 1 1,867
47 Timmerman, Tom — 1 1,020
48 Hofstetter, William S. — 1 697
49 Williams, Robert — 1 327
50 Hampton, E. T. — 1 193
51 Klint Gingerich — 1 161
52 Latta, Mark Duane — 1 130
53 Carson, James R. — 1 101
54 Logan, James R. — 1 56
55 Mitchell, Francis M. — 1 44
56 J & R Well Drlg. — 1 36
57 Holdorf Donald — 1 26

Ranked by wells drilled in Knox 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 Knox County?

Allen, Joseph has drilled the most Knox County wells in the recent record — 41 since 2016, 78 in the county all-time.

How many well drilling companies work in Knox County?

57 companies in the ISGS record have drilled wells in Knox County; 6 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 Knox County?

The median drilled depth in Knox County is 180 ft, based on 1,864 recorded wells. Depths, water levels, and yields are on the Knox County wells page.

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

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