Best well drillers in Walworth County, Wisconsin

Not a pay-to-play list: these are the 124 drilling companies with wells on record in Walworth County, ranked by wells actually drilled here — 10,621 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.

124companies on record

25active since 2022

10,621wells in county record

#	Company	In Walworth Co. since 2016	All-time in county	Statewide
1	Sam's Well Drilling Inc.	645	786	21,895
2	Gehring, Lance M	337	337	1,126
3	Biersack, Robert K	132	132	272
4	Herr Well Drilling Inc.	110	1,144	10,263
5	Gohlke Well Drilling Llp	94	173	864
6	Lance M Gehring	91	210	939
7	Sweeney, Kenneth R	64	64	904
8	Krizan, Kenneth J	54	54	342
9	Huemann Jos H & Sons Inc.	39	52	94
10	Binz, David J	36	36	38
11	Robert K Biersack	29	186	435
12	4-D Water Well & Pump Service LLC	28	28	707
13	Bloyer Well & Pump Co. Inc.	26	51	573
14	Huemann, John J	22	22	35
15	Larry D Hintz	19	829	902
16	Roschi Bros Well Drlg & Pump Inc.	18	67	1,592
17	Gehring Lance Well Drilling Inc.	9	68	375
18	Kenneth R Sweeney	4	84	2,346
19	David J Binz	4	40	42
20	D & D Well & Pumps LLC	4	5	556
21	Hintz Larry D	3	245	254
22	John J Huemann	3	196	453
23	Anhalt Well Drlg & Pump Inc.	3	18	1,222
24	Kenneth J Krizan	3	15	304
25	Beach Pump & Well Service Inc.	1	4	207
26	Martin, Charles Wade	1	1	34
27	Municipal Well & Pump/Midwest Well	1	1	70
28	Boyce, Kenneth D	1	1	30
29	Todd Huemann	—	1,842	3,658
30	James E Cheney	—	584	629
31	Michael J Barr	—	521	621
32	Patrick J Lahr	—	331	1,066
33	Michael Hartman	—	231	5,782
34	Cheney James E	—	204	214
35	Hoover Water Well Service Inc.	—	181	1,414
36	Huemann Jos H @ Sons Inc.	—	129	434
37	Harmon Finley	—	125	146
38	Richard L Danecki	—	114	1,182
39	Aqua Well & Pump Systems Inc.	—	113	773
40	Edwin D Greenfield	—	93	570
41	James D Cheney	—	80	84
42	Hoover Well Drilling Co. Inc.	—	78	610
43	Aschauer E G & Sons Inc.	—	76	613
44	Egofske Porter Drilling Inc.	—	70	761
45	Michael G Hartman	—	69	1,407
46	Aschauer E G @ Sons Inc.	—	68	611
47	Jerry D Knutson	—	68	293
48	Barr Michael J	—	62	88
49	Gehring Lance Well Drilling Ser	—	52	319
50	Richard Morse	—	51	408
51	James L Dietzman	—	48	50
52	Sams Rotary Drillers Inc.	—	46	12,103
53	Govert Bros Well Drilling Co.	—	42	1,587
54	Govert Well & Pump Llp	—	39	1,775
55	Greenfield Edwin D	—	38	87
56	Rock Johnson	—	34	43
57	Michael W Sheets	—	30	80
58	Geneva Water Systems Inc.	—	30	41
59	Lahr Well Drlg & Pump Serv Inc.	—	27	276
60	Roschi Bros Well Drlg @ Pump Inc.	—	26	1,140
61	Louis G Sievert	—	19	34
62	Johnson Hubert R	—	17	30
63	Steve Hartman	—	13	431
64	Huemann T Well & Pump Inc.	—	13	28
65	Emanuel Burgarino	—	12	611
66	Hubert R Johnson	—	11	25
67	Hartman Michael	—	10	446
68	May L L Well Drilling Co. Inc.	—	10	238
69	Aqua Well @ Pump Systems Inc.	—	10	83
70	Larry T Elfmann	—	10	38
71	Allen E Smith	—	9	157
72	Danecki, Richard L	—	9	113
73	Govert Walter And Leon	—	8	264
74	Lahr Patrick J	—	8	123
75	Layne Christensen Company	—	7	222
76	Hyink Well Drilling Inc.	—	6	2,521
77	Artesian Well & Pump Co.	—	6	118
78	Karl I Stenerson	—	5	1,361
79	Kenneth D Boyce	—	5	252
80	William J Gohlke	—	4	472
81	Ray R Bowling	—	4	307
82	C T W Corp	—	4	149
83	Roschi Bros Welldrlg And Pump IN	—	4	113
84	Vogel Albin	—	4	63
85	William Mande	—	4	39
86	Bowling Ray, Inc.	—	3	389
87	J F Werner	—	3	376
88	Albin Vogel	—	3	204
89	Robert S Eddy	—	3	161
90	D & D Well Drilling Corp	—	3	148
91	Municipal Well @ Pump Inc.	—	3	68
92	Lance Gehring Well Drlng Service	—	3	39
93	Van DE Yacht Bill Wtr Well & Specia	—	2	3,200
94	Central Well Drilling LLC	—	2	2,757
95	Frederick F Kuck	—	2	754
96	Thomas J Wilton	—	2	337
97	Anhalt Well & Pump	—	2	28
98	Van DE Yacht Leo Well Drilling Inc.	—	1	8,998
99	Hintzke Well Drilling Inc.	—	1	4,365
100	Groth Water Wells Inc.	—	1	1,539
101	Lovelace Well Drilling Inc.	—	1	2,504
102	Roberts Irrigation Co. Inc.	—	1	140
103	Richard Berkholtz	—	1	1,149
104	Laabs Well Drilling Inc.	—	1	808
105	Gibour Well & Pump Serv Inc.	—	1	561
106	Karl M Walker	—	1	499
107	D @ D Drilling Co. Inc.	—	1	285
108	Daryl Butch Gibour	—	1	277
109	Gross E E Well Drilling Inc.	—	1	252
110	Robert C Kouba	—	1	237
111	D And D Drilling Company Inc.	—	1	207
112	George E Gaffke	—	1	161
113	Donald Herbeck	—	1	118
114	Kenneth J Sweeney	—	1	95
115	David B Rock	—	1	89
116	John D Krizan JR	—	1	88
117	Hartman, Steve	—	1	60
118	Morse Richard	—	1	59
119	Eddy Robert S	—	1	53
120	ED Kranz	—	1	42
121	Beach Pump @ Well Service Inc.	—	1	33
122	Layne Northwest Company	—	1	30
123	Thomas L Schultz	—	1	30
124	Thomas Schultz	—	1	25

Ranked by wells drilled in Walworth 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 Walworth County?

Sam's Well Drilling Inc. has drilled the most Walworth County wells in the recent record — 645 since 2016, 786 in the county all-time.

How many well drilling companies work in Walworth County?

124 companies in the WI DNR record have drilled wells in Walworth County; 25 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 Walworth County?

The median drilled depth in Walworth County is 96 ft, based on 20,348 recorded wells. Depths, water levels, and yields are on the Walworth County wells page.

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

Get quotes from drillers active in Walworth County

Free for property owners. We route your request only to licensed drillers who actually file well logs in Walworth County — never sold elsewhere.

Drill in Walworth County?

If your company is on this list, your profile is free to claim — confirm your details and add your contact information so Walworth County property owners reach you directly.

Claim your profile

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