Illinois Well Data field records · 2026 survey

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Best well drillers in Iroquois County, Illinois

Not a pay-to-play list: these are the 89 drilling companies with wells on record in Iroquois County, ranked by wells actually drilled here — 2,160 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.

89companies on record
10active since 2022
2,160wells in county record
#CompanyIn Iroquois Co. since 2016All-time in countyStatewide
1 Reiners, Lynn 205 587 670
2 Beck, Harold F. Jr. 14 132 1,185
3 Findlay Bros. Well Drilling 12 12 305
4 Albrecht, Harold Dean 2 4 1,132
5 Zbinden, Daniel B. 1 108 114
6 Will County Well & Pump 1 12 724
7 Tracy A Mcconnel 1 1 140
8 Crowe, Daniel J. 1 1 76
9 Roe, Ronald 1 1 33
10 Goodrum, Larry P. 303 640
11 Kingsley, Arthur W. 201 2,249
12 Seibring Well Drilling 99 242
13 Jensen, Kenneth Lee 89 216
14 Reiners, Walter C. 89 90
15 Griffy, Cecil D. 66 68
16 Prairie, Arthur 46 716
17 Brenneisen, S. Ross 44 44
18 Bolliger, John & Sons 26 136
19 Jenson Kenneth 25 25
20 Wehling, Richard H. 19 312
21 Fykes, Charles N. 18 5,947
22 Strange, Robert E. 18 558
23 Watters, James 16 45
24 Layne Western Co., Inc. 16 1,442
25 Findlay, Terry A. 15 671
26 Berns, George J. 15 186
27 Wehling Well Works, Inc. 14 755
28 Weburg, E. Marvin 14 290
29 NO Company 13 508
30 Matherly, Hubert 12 1,477
31 Mills, Wayne 11 466
32 Hayes & Sims 8 115
33 Knierim, Phil 7 5,361
34 Swanson, Jean E. 6 349
35 Doyle, Gerald 6 242
36 Swanson, Randy 6 98
37 Rob, Ronald Gene 5 2,075
38 Fordonski, Keith 5 1,622
39 Steve Liberg, Jr. 5 43
40 K & K Well Drilling 4 3,028
41 Henry, John 4 868
42 Hayes & Sims Drlg 4 54
43 Bolliger, William 4 39
44 Walters, Larry 3 1,465
45 Grosch, Wayne A. 3 528
46 Harold Dean Albrecht 3 433
47 Wehling, Richard W. 3 123
48 Knierin Paul 3 61
49 Rob, Ronald 3 61
50 Vickery Drilling Co., Inc. 3 37
51 Greenfield, Edward K. 2 833
52 Wellendorf, Rodney 2 2,313
53 Olson, Robert C 2 1,003
54 Sims, R. Marc Jr. 2 840
55 Albrecht, Dean S. 2 693
56 Miller, J. P. Art. Well 2 291
57 Donald E. Stoneberger 2 277
58 Sims Drilling Co. 2 133
59 Swanson Well & Pump Serv 2 34
60 Stinnett, David 1 1,658
61 Reynolds, Joseph R. 1 2,477
62 Sharpe, Franklin N. 1 2,123
63 Albrecht, S. Dean 1 1,836
64 Griffy, Cecil 1 1,460
65 Dirks, Michael 1 1,115
66 Sims, Ronald M. Sr. 1 590
67 Wehling, Wendell E. 1 583
68 Mckinney, Ted 1 310
69 Stinnett, James R. 1 309
70 Miller, J.p. Artesian Well Co. 1 300
71 Eaton, Zane C. 1 276
72 Olson Well & Pump Co. 1 210
73 David Harper 1 200
74 Wills, Elmer 1 162
75 Greenfield, ED 1 137
76 Ken Knierim/K & K Well Drlg. 1 112
77 Layne & Western Co. 1 110
78 Alco Oil & Gas Corp. 1 107
79 Sims, Ronald M. Jr. 1 87
80 Wehling, R. H. 1 76
81 Swanson, L. F. 1 73
82 Suburban Well 1 72
83 Motter, O. L. 1 71
84 Jennings, Charles L. 1 68
85 Rosenquist, Gerald 1 67
86 Hayes, Charles M. 1 67
87 M. & M. Development Company 1 56
88 Brenneisen ,Ross S. 1 48
89 Matherly, Lonnie 1 38

Ranked by wells drilled in Iroquois 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 Iroquois County?

Reiners, Lynn has drilled the most Iroquois County wells in the recent record — 205 since 2016, 587 in the county all-time.

How many well drilling companies work in Iroquois County?

89 companies in the ISGS record have drilled wells in Iroquois County; 10 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 Iroquois County?

The median drilled depth in Iroquois County is 140 ft, based on 2,416 recorded wells. Depths, water levels, and yields are on the Iroquois County wells page.

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

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