Iowa Well Data field records · 2026 survey

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Best well drillers in Dubuque County, Iowa

Not a pay-to-play list: these are the 55 drilling companies with wells on record in Dubuque County, ranked by wells actually drilled here — 3,023 logged wells in the Iowa DNR Well Information System (IWIS) (records as of 2026-08-24). Every number links back to the public record.

55companies on record
16active since 2022
3,023wells in county record
#CompanyIn Dubuque Co. since 2016All-time in countyStatewide
1 Erickson,Craig - 7918 69 132 917
2 Halweg, JR,David - 10712 57 80 192
3 Ogden,Ben - 6714 31 209 1,040
4 * Unknown, - 22 1,653 96,967
5 Ogden,Jeffrey - 4326 10 35 154
6 Gingerich,Klint - 2639 4 74 2,501
7 Gelement,Valentin - 10711 4 12 383
8 Allen,Joseph - 1035 2 61 997
9 Halweg,David - 2814 2 14 274
10 Meyer,Seth - 10205 2 12 232
11 Martin,Gary - 3845 1 41 1,472
12 Gingerich,Corwin - 2638 1 14 2,281
13 Halweg,David - 40162 278 561
14 Ogden,Jeffrey - 40478 76 219
15 Gingerich,Klint - 40046 44 1,353
16 Miller,Rodney - 6955 36 68
17 Mineart,Matthew - 7920 31 57
18 Ogden,Luke - 6715 20 37
19 Kelso,James - 3391 20 132
20 Seneca Environmental Services 18 29
21 Mellick,Thomas - 7058 17 304
22 Bunting,James - 40121 14 551
23 Shawver,Gary - 40611 13 417
24 Mcburney,Lyle - 40651 12 197
25 Budke,Ryan - 7061 12 36
26 Mcburney,Lyle - 3877 11 111
27 Budden, Rick 10 37
28 Shawver Well Co. 7 784
29 Shawver,Ryan - 6475 7 56
30 Thein,David - 5441 6 97
31 Shawver,Ryan - 40751 5 25
32 Brandenburg,Neil - 1610 4 662
33 Greiner,Bradley - 40272 4 359
34 Lewis,Mark - 40675 4 32
35 List,Todd - 3715 4 29
36 Bunting,James - 1726 3 512
37 Benter, Keith 3 86
38 Schumacher,Dale - 6471 3 60
39 Grimm,Cynthia - 40103 2 963
40 * Owner, - 2 733
41 Gingerich,Dillon - 10177 2 30
42 Harmon,Tony - 6503 2 71
43 Dewoody,Bradley - 6630 2 54
44 List,Todd - 40744 2 40
45 Speidel,David - 5239 2 30
46 Warrick,John - 5708 1 187
47 Jones,Randy - 40309 1 585
48 Brandenburg,Neil - 40120 1 577
49 Freese,Rick - 40520 1 248
50 Greiner,Kenneth - 2731 1 229
51 Bryan,Jim - 40386 1 143
52 Ogden,Richard - 40736 1 80
53 Speidel,David - 40254 1 69
54 Kremer Well Drilling 1 52
55 Northway Corporation 1 31

Ranked by wells drilled in Dubuque County since 2016 (then all-time), from the full Iowa 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 Dubuque County?

Erickson,Craig - 7918 has drilled the most Dubuque County wells in the recent record — 69 since 2016, 132 in the county all-time.

How many well drilling companies work in Dubuque County?

55 companies in the Iowa DNR record have drilled wells in Dubuque County; 16 of them have drilled somewhere in Iowa since 2022. Smaller operators below the record threshold may also serve the area.

How deep is a typical well in Dubuque County?

The median drilled depth in Dubuque County is 250 ft, based on 4,861 recorded wells. Depths, water levels, and yields are on the Dubuque County wells page.

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

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