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Best well drillers in Jefferson County, Wisconsin
Not a pay-to-play list: these are the 103 drilling companies with wells
on record in Jefferson County, ranked by wells actually drilled here — 6,076 logged
wells in the Wisconsin Department of Natural Resources Groundwater Retrieval Network (GRN) well-construction records (records as of 2026-09-28). Every number links back to
the public record.
103companies on record
20active since 2022
6,076wells in county record
| # | Company | In Jefferson Co. since 2016 | All-time in county | Statewide |
|---|
| 1 | Sam's Well Drilling Inc. | 820 | 1,559 | 21,895 |
| 2 | Herr Well Drilling Inc. | 147 | 1,506 | 10,263 |
| 3 | Roschi Bros Well Drlg & Pump Inc. | 46 | 104 | 1,592 |
| 4 | D & D Well & Pumps LLC | 37 | 62 | 556 |
| 5 | 4-D Water Well & Pump Service LLC | 20 | 20 | 707 |
| 6 | Krizan, Kenneth J | 12 | 12 | 342 |
| 7 | Gehring, Lance M | 11 | 11 | 1,126 |
| 8 | Anhalt Well Drlg & Pump Inc. | 8 | 48 | 1,222 |
| 9 | Bloyer Well & Pump Co. Inc. | 8 | 10 | 573 |
| 10 | Biersack, Robert K | 8 | 8 | 272 |
| 11 | Sweeney, Kenneth R | 7 | 7 | 904 |
| 12 | Lance M Gehring | 4 | 4 | 939 |
| 13 | Steffes, Daniel J | 3 | 3 | 1,151 |
| 14 | Gehring Lance Well Drilling Inc. | 3 | 3 | 375 |
| 15 | Lovelace Well Drilling Inc. | 2 | 36 | 2,504 |
| 16 | Municipal Well & Pump/Midwest Well | 2 | 2 | 70 |
| 17 | Timothy J Jenks | 2 | 2 | 1,553 |
| 18 | Kenneth R Sweeney | 1 | 20 | 2,346 |
| 19 | Webster Brad & Sons Drilling Inc. | 1 | 12 | 1,493 |
| 20 | Gibour Well & Pump Serv Inc. | 1 | 5 | 561 |
| 21 | Hintz Larry D | 1 | 5 | 254 |
| 22 | Webster & Sons Well Drilling, LLC | 1 | 1 | 176 |
| 23 | Hezpaz Enterprizes | 1 | 1 | 152 |
| 24 | Rodamaker, Robert J | 1 | 1 | 190 |
| 25 | Lange Plumbing Inc. | 1 | 1 | 123 |
| 26 | Robert J Rodamaker | 1 | 1 | 148 |
| 27 | Umland Richard L | 1 | 1 | 46 |
| 28 | Sams Rotary Drillers Inc. | — | 686 | 12,103 |
| 29 | Michael Hartman | — | 331 | 5,782 |
| 30 | J F Werner | — | 284 | 376 |
| 31 | Bowling Ray, Inc. | — | 174 | 389 |
| 32 | Albin Vogel | — | 157 | 204 |
| 33 | Ray R Bowling | — | 145 | 307 |
| 34 | Aqua Well & Pump Systems Inc. | — | 87 | 773 |
| 35 | Michael G Hartman | — | 76 | 1,407 |
| 36 | Werner J F | — | 70 | 101 |
| 37 | Govert Well & Pump Llp | — | 48 | 1,775 |
| 38 | Central Well Drilling LLC | — | 43 | 2,757 |
| 39 | Frederick F Kuck | — | 43 | 754 |
| 40 | Larry D Hintz | — | 38 | 902 |
| 41 | Vogel Albin | — | 37 | 63 |
| 42 | Richard L Danecki | — | 34 | 1,182 |
| 43 | Govert Bros Well Drilling Co. | — | 30 | 1,587 |
| 44 | Layne Christensen Company | — | 26 | 222 |
| 45 | Werner, Jim | — | 26 | 26 |
| 46 | Patrick J Lahr | — | 22 | 1,066 |
| 47 | Todd Huemann | — | 18 | 3,658 |
| 48 | Richard Berkholtz | — | 18 | 1,149 |
| 49 | Richard Morse | — | 18 | 408 |
| 50 | Karl I Stenerson | — | 16 | 1,361 |
| 51 | Emanuel Burgarino | — | 15 | 611 |
| 52 | Edwin D Greenfield | — | 13 | 570 |
| 53 | Roschi Bros Well Drlg @ Pump Inc. | — | 12 | 1,140 |
| 54 | Michael J Barr | — | 10 | 621 |
| 55 | Paul F Kuck | — | 10 | 123 |
| 56 | Aqua Well @ Pump Systems Inc. | — | 10 | 83 |
| 57 | Egofske Porter Drilling Inc. | — | 9 | 761 |
| 58 | D & D Well Drilling Corp | — | 8 | 148 |
| 59 | D @ D Drilling Co. Inc. | — | 7 | 285 |
| 60 | Kuck Frederick F | — | 7 | 83 |
| 61 | Robert W Showers | — | 7 | 80 |
| 62 | James E Cheney | — | 6 | 629 |
| 63 | Hartman Michael | — | 6 | 446 |
| 64 | D And D Drilling Company Inc. | — | 6 | 207 |
| 65 | Phillip Hastings | — | 6 | 92 |
| 66 | Steve Hartman | — | 5 | 431 |
| 67 | Artesian Well & Pump Co. | — | 5 | 118 |
| 68 | Hartman, Steve | — | 4 | 60 |
| 69 | Dr. John Harkin, UW-Dept. OF Soil Science | — | 4 | 40 |
| 70 | Zoellner Central Well Drilling | — | 3 | 1,191 |
| 71 | Govert Walter And Leon | — | 3 | 264 |
| 72 | Berkholtz Richard | — | 3 | 182 |
| 73 | Danecki, Richard L | — | 3 | 113 |
| 74 | Greenfield Edwin D | — | 3 | 87 |
| 75 | Municipal Well @ Pump Inc. | — | 3 | 68 |
| 76 | Van DE Yacht Leo Well Drilling Inc. | — | 2 | 8,998 |
| 77 | Richard E Berkholtz | — | 2 | 337 |
| 78 | Lahr Well Drlg & Pump Serv Inc. | — | 2 | 276 |
| 79 | Stenerson Karl I | — | 2 | 260 |
| 80 | Robert S Eddy | — | 2 | 161 |
| 81 | Lahr Patrick J | — | 2 | 123 |
| 82 | Roschi Bros Welldrlg And Pump IN | — | 2 | 113 |
| 83 | Morse Richard | — | 2 | 59 |
| 84 | Daniel J Steffes | — | 1 | 4,646 |
| 85 | Van DE Yacht Bill Wtr Well & Specia | — | 1 | 3,200 |
| 86 | Bruce A Walker | — | 1 | 1,325 |
| 87 | Ace Well Drilling Inc. | — | 1 | 858 |
| 88 | Terry Farago | — | 1 | 635 |
| 89 | Aschauer E G @ Sons Inc. | — | 1 | 611 |
| 90 | Sam Rodamaker | — | 1 | 497 |
| 91 | Robert K Biersack | — | 1 | 435 |
| 92 | Albin R Herbeck | — | 1 | 360 |
| 93 | Slager Larry J | — | 1 | 339 |
| 94 | Bradley S Webster | — | 1 | 111 |
| 95 | Water Wells Inc. | — | 1 | 108 |
| 96 | Kenneth J Sweeney | — | 1 | 95 |
| 97 | Barr Michael J | — | 1 | 88 |
| 98 | James D Cheney | — | 1 | 84 |
| 99 | Rock Johnson | — | 1 | 43 |
| 100 | Louis G Sievert | — | 1 | 34 |
| 101 | Layne Northwest Company | — | 1 | 30 |
| 102 | Layne Western Co. Inc. | — | 1 | 26 |
| 103 | Hubert R Johnson | — | 1 | 25 |
Ranked by wells drilled in Jefferson 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 Jefferson County?
Sam's Well Drilling Inc. has drilled the most Jefferson County wells in the recent record — 820 since 2016, 1,559 in the county all-time.
How many well drilling companies work in Jefferson County?
103 companies in the WI DNR record have drilled wells in Jefferson County; 20 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 Jefferson County?
The median drilled depth in Jefferson County is 142 ft, based on 11,175 recorded wells. Depths, water levels, and yields are on the Jefferson County wells page.
Well depths, static water levels, tested yields, and drilling cost estimates for this county live on
the Jefferson County wells page.
Drill in Jefferson County?
If your company is on this list, your profile is free to claim — confirm your details and add your
contact information so Jefferson County property owners reach you directly.
Claim your profile Free to claim · built from WI DNR public well-log records.