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Best well drillers in Fond Du Lac County, Wisconsin
Not a pay-to-play list: these are the 66 drilling companies with wells
on record in Fond Du Lac County, ranked by wells actually drilled here — 6,540 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.
66companies on record
21active since 2022
6,540wells in county record
| # | Company | In Fond Du Lac Co. since 2016 | All-time in county | Statewide |
|---|
| 1 | Steffes, Daniel J | 499 | 499 | 1,151 |
| 2 | Sam's Well Drilling Inc. | 235 | 420 | 21,895 |
| 3 | Daniel J Steffes | 166 | 1,321 | 4,646 |
| 4 | Wells BY Welch - Bentley WD LLC | 47 | 51 | 2,415 |
| 5 | Hintzke Well Drilling Inc. | 40 | 43 | 4,365 |
| 6 | Van DE Yacht Leo Well Drilling Inc. | 39 | 103 | 8,998 |
| 7 | Ground Source Inc. | 12 | 17 | 2,237 |
| 8 | Hyink Well Drilling Inc. | 6 | 21 | 2,521 |
| 9 | Roschi Bros Well Drlg & Pump Inc. | 5 | 11 | 1,592 |
| 10 | 4-D Water Well & Pump Service LLC | 3 | 3 | 707 |
| 11 | Dj's Water Service | 3 | 3 | 1,216 |
| 12 | Karl I Stenerson | 1 | 35 | 1,361 |
| 13 | Anhalt Well Drlg & Pump Inc. | 1 | 28 | 1,222 |
| 14 | Luisier Well Drilling Inc. | 1 | 5 | 12,107 |
| 15 | D & D Well & Pumps LLC | 1 | 4 | 556 |
| 16 | Kenneth R Sweeney | 1 | 4 | 2,346 |
| 17 | Groth Water Wells Inc. | 1 | 3 | 1,539 |
| 18 | Schafer R J & Sons Inc. | 1 | 3 | 1,896 |
| 19 | Weslow Water Systems Inc. | 1 | 1 | 1,714 |
| 20 | Sweeney, Kenneth R | 1 | 1 | 904 |
| 21 | Arneson Well Drilling LLC | 1 | 1 | 159 |
| 22 | Rock Solid Well Drilling LLC | 1 | 1 | 71 |
| 23 | Robert K Biersack | 1 | 1 | 435 |
| 24 | Wagner Brothers Well Drilling Inc. | — | 928 | 1,678 |
| 25 | Wagner Brothers Well Drilling IN | — | 789 | 2,207 |
| 26 | Central Well Drilling LLC | — | 496 | 2,757 |
| 27 | Zielieke Well Drilling Inc. | — | 453 | 2,207 |
| 28 | Zoellner Central Well Drilling | — | 225 | 1,191 |
| 29 | Stephen D Keifenheim | — | 171 | 724 |
| 30 | Klemme Bros Well & Pump Inc. | — | 112 | 793 |
| 31 | Dennis R Lefeber | — | 109 | 241 |
| 32 | Roger P Weber | — | 87 | 1,191 |
| 33 | Slager Larry J | — | 77 | 339 |
| 34 | Roger Weber | — | 76 | 2,293 |
| 35 | Keifenheim Howard E | — | 75 | 124 |
| 36 | Sams Rotary Drillers Inc. | — | 59 | 12,103 |
| 37 | Herr Well Drilling Inc. | — | 41 | 10,263 |
| 38 | Van DE Yacht Bill Wtr Well & Specia | — | 35 | 3,200 |
| 39 | Brian Schmitz | — | 26 | 39 |
| 40 | Klemme Bros Well @ Pump Inc. | — | 24 | 180 |
| 41 | Lefeber Dennis R | — | 24 | 48 |
| 42 | Larry J Slager | — | 22 | 99 |
| 43 | Howard E Keifenheim | — | 22 | 43 |
| 44 | Stephan D Keifenheim | — | 17 | 41 |
| 45 | Willems Well Drilling Inc. | — | 15 | 2,117 |
| 46 | Weber Roger | — | 12 | 387 |
| 47 | Michael Hartman | — | 10 | 5,782 |
| 48 | Lovelace Well Drilling Inc. | — | 9 | 2,504 |
| 49 | Michael G Hartman | — | 9 | 1,407 |
| 50 | Laabs Well Drilling Inc. | — | 9 | 808 |
| 51 | Stenerson Karl I | — | 5 | 260 |
| 52 | Layne Christensen Company | — | 3 | 222 |
| 53 | Richard L Umland | — | 3 | 176 |
| 54 | Gary L Klemme | — | 3 | 49 |
| 55 | Anhalt Well & Pump | — | 3 | 28 |
| 56 | Red Willems | — | 2 | 854 |
| 57 | Van DE Yacht Bill Wtr Well @ Spe | — | 1 | 2,253 |
| 58 | Bruce A Walker | — | 1 | 1,325 |
| 59 | Roschi Bros Well Drlg @ Pump Inc. | — | 1 | 1,140 |
| 60 | Schmidts Water Service | — | 1 | 897 |
| 61 | Aqua Well & Pump Systems Inc. | — | 1 | 773 |
| 62 | Emanuel Burgarino | — | 1 | 611 |
| 63 | Gibour Well & Pump Serv Inc. | — | 1 | 561 |
| 64 | Wayne W Salefsky | — | 1 | 484 |
| 65 | Huemann Jos H @ Sons Inc. | — | 1 | 434 |
| 66 | Butch Gibour | — | 1 | 109 |
Ranked by wells drilled in Fond Du Lac 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 Fond Du Lac County?
Steffes, Daniel J has drilled the most Fond Du Lac County wells in the recent record — 499 since 2016, 499 in the county all-time.
How many well drilling companies work in Fond Du Lac County?
66 companies in the WI DNR record have drilled wells in Fond Du Lac County; 21 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 Fond Du Lac County?
The median drilled depth in Fond Du Lac County is 165 ft, based on 14,062 recorded wells. Depths, water levels, and yields are on the Fond Du Lac County wells page.
Well depths, static water levels, tested yields, and drilling cost estimates for this county live on
the Fond Du Lac County wells page.
Drill in Fond Du Lac County?
If your company is on this list, your profile is free to claim — confirm your details and add your
contact information so Fond Du Lac County property owners reach you directly.
Claim your profile Free to claim · built from WI DNR public well-log records.