⟁ Wisconsin Well Data field records · 2026 survey

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Best well drillers in Green County, Wisconsin

Not a pay-to-play list: these are the 40 drilling companies with wells on record in Green County, ranked by wells actually drilled here — 4,212 logged wells in the Wisconsin Department of Natural Resources Groundwater Retrieval Network (GRN) well-construction records (records as of 2026-08-14). Every number links back to the public record.

40companies on record
12active since 2022
4,212wells in county record
#CompanyIn Green Co. since 2016All-time in countyStatewide
1 Sam's Well Drilling Inc. 487 808 21,895
2 Lovelace Well Drilling Inc. 207 831 2,504
3 Niffenegger Well & Pump Inc. 98 569 1,201
4 Bloyer Well & Pump Co. Inc. 25 62 573
5 Faherty, Jeffery A 8 8 989
6 Webster Brad & Sons Drilling Inc. 4 18 1,493
7 Water Wells Inc. 1 2 108
8 Ground Source Inc. 1 1 2,237
9 Walker, Bruce A 1 1 635
10 Rodamaker, Robert J 1 1 190
11 Rock Solid Well Drilling LLC 1 1 71
12 Martin, Charles Wade 1 1 34
13 Sams Rotary Drillers Inc. — 814 12,103
14 Govert Well & Pump Llp — 260 1,775
15 ED Niffenegger JR — 185 254
16 Govert Bros Well Drilling Co. — 179 1,587
17 Niffenegger Well @ Pump Inc. — 154 220
18 Niffenegger ED JR — 76 92
19 Edwin D Greenfield — 50 570
20 Allen E Smith — 35 157
21 Dean E Rickard — 28 684
22 Webber JR William G — 28 51
23 Richard Berkholtz — 20 1,149
24 William G Webber JR — 17 35
25 Francis X Faherty — 11 739
26 Richard E Berkholtz — 11 337
27 Govert Walter And Leon — 8 264
28 Faherty Drilling Company Inc. — 7 76
29 Todd Huemann — 5 3,658
30 Central Well Drilling LLC — 4 2,757
31 Jeffery A Faherty — 4 294
32 Sam Rodamaker — 3 497
33 Michael Hartman — 2 5,782
34 Faherty Francis X — 2 96
35 Herr Well Drilling Inc. — 1 10,263
36 J F Werner — 1 376
37 Berkholtz Richard — 1 182
38 Floyd Davis — 1 158
39 Robert J Rodamaker — 1 148
40 Charles Wade Martin — 1 37

Ranked by wells drilled in Green County since 2016 (then all-time), from the full WI DNR 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 Green County?

Sam's Well Drilling Inc. has drilled the most Green County wells in the recent record — 487 since 2016, 808 in the county all-time.

How many well drilling companies work in Green County?

40 companies in the WI DNR record have drilled wells in Green County; 12 of them have drilled somewhere in Wisconsin since 2022. Smaller operators below the record threshold may also serve the area.

How deep is a typical well in Green County?

The median drilled depth in Green County is 176 ft, based on 6,798 recorded wells. Depths, water levels, and yields are on the Green County wells page.

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

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Free to claim · built from WI DNR public well-log records.