← All Wisconsin drillers
Best well drillers in Green Lake County, Wisconsin
Not a pay-to-play list: these are the 56 drilling companies with wells
on record in Green Lake County, ranked by wells actually drilled here — 2,698 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.
56companies on record
15active since 2022
2,698wells in county record
| # | Company | In Green Lake Co. since 2016 | All-time in county | Statewide |
|---|
| 1 | Sam's Well Drilling Inc. | 373 | 537 | 21,895 |
| 2 | Wells BY Welch - Bentley WD LLC | 75 | 89 | 2,415 |
| 3 | Webster Brad & Sons Drilling Inc. | 30 | 30 | 1,493 |
| 4 | Steffes, Daniel J | 18 | 18 | 1,151 |
| 5 | Hintzke Well Drilling Inc. | 15 | 16 | 4,365 |
| 6 | Ground Source Inc. | 10 | 13 | 2,237 |
| 7 | Schafer R J & Sons Inc. | 4 | 33 | 1,896 |
| 8 | Bruce A Walker | 3 | 16 | 1,325 |
| 9 | Jenks, Timothy J | 3 | 3 | 380 |
| 10 | Daniel J Steffes | 2 | 136 | 4,646 |
| 11 | Webster & Sons Well Drilling, LLC | 2 | 2 | 176 |
| 12 | Hezpaz Enterprizes | 2 | 2 | 152 |
| 13 | Lovelace Well Drilling Inc. | 1 | 69 | 2,504 |
| 14 | Haupt Well Drlg Inc. | 1 | 1 | 1,723 |
| 15 | Rock Solid Well Drilling LLC | 1 | 1 | 71 |
| 16 | Rodney J Reichhoff | 1 | 1 | 72 |
| 17 | Central Well Drilling LLC | — | 759 | 2,757 |
| 18 | Zoellner Central Well Drilling | — | 402 | 1,191 |
| 19 | Sams Rotary Drillers Inc. | — | 169 | 12,103 |
| 20 | Slager Larry J | — | 152 | 339 |
| 21 | Larry J Slager | — | 38 | 99 |
| 22 | Wagner Brothers Well Drilling IN | — | 32 | 2,207 |
| 23 | Wagner Brothers Well Drilling Inc. | — | 26 | 1,678 |
| 24 | Wayne W Salefsky | — | 23 | 484 |
| 25 | Thomas D Roos | — | 18 | 848 |
| 26 | Timothy J Jenks | — | 16 | 1,553 |
| 27 | Willems Well Drilling Inc. | — | 14 | 2,117 |
| 28 | Karl M Walker | — | 13 | 499 |
| 29 | Van DE Yacht Bill Wtr Well & Specia | — | 9 | 3,200 |
| 30 | Ethan A Welch | — | 9 | 1,071 |
| 31 | Floyd Davis | — | 8 | 158 |
| 32 | James R Phillips | — | 4 | 1,231 |
| 33 | Schafer R J @ Sons Inc. | — | 4 | 1,034 |
| 34 | Larry L Jenks | — | 4 | 465 |
| 35 | Michael J Jakubowski | — | 3 | 296 |
| 36 | Davis Floyd | — | 3 | 33 |
| 37 | Dj's Water Service | — | 2 | 1,216 |
| 38 | Terry Farago | — | 2 | 635 |
| 39 | Joe Farago | — | 2 | 210 |
| 40 | Welch Ethan A | — | 2 | 176 |
| 41 | Farago Joe | — | 2 | 44 |
| 42 | Van DE Yacht Leo Well Drilling Inc. | — | 1 | 8,998 |
| 43 | Van DE Yacht Bill Wtr Well @ Spe | — | 1 | 2,253 |
| 44 | Roger P Weber | — | 1 | 1,191 |
| 45 | Stephen D Keifenheim | — | 1 | 724 |
| 46 | Dennis R Lefeber | — | 1 | 241 |
| 47 | John D Zouski | — | 1 | 214 |
| 48 | Phillips James R | — | 1 | 193 |
| 49 | Richard L Umland | — | 1 | 176 |
| 50 | Neal D Loehrke | — | 1 | 172 |
| 51 | Keifenheim Howard E | — | 1 | 124 |
| 52 | Russell L Krizan | — | 1 | 87 |
| 53 | Patrick Bentley | — | 1 | 69 |
| 54 | Wells BY Welch - Rotary Division | — | 1 | 50 |
| 55 | Wells BY Welch | — | 1 | 43 |
| 56 | Salefsky Wayne W | — | 1 | 26 |
Ranked by wells drilled in Green Lake 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 Lake County?
Sam's Well Drilling Inc. has drilled the most Green Lake County wells in the recent record — 373 since 2016, 537 in the county all-time.
How many well drilling companies work in Green Lake County?
56 companies in the WI DNR record have drilled wells in Green Lake County; 15 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 Lake County?
The median drilled depth in Green Lake County is 145 ft, based on 5,770 recorded wells. Depths, water levels, and yields are on the Green Lake County wells page.
Well depths, static water levels, tested yields, and drilling cost estimates for this county live on
the Green Lake County wells page.
Drill in Green Lake County?
If your company is on this list, your profile is free to claim — confirm your details and add your
contact information so Green Lake County property owners reach you directly.
Claim your profile Free to claim · built from WI DNR public well-log records.