South Dakota Well Data field records · 2026 survey

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Best well drillers in Hamlin County, South Dakota

Not a pay-to-play list: these are the 26 drilling companies with wells on record in Hamlin County, ranked by wells actually drilled here — 461 logged wells in the South Dakota DANR well completion report database (NR68) (records as of 2026-08-24). Every number links back to the public record.

26companies on record
10active since 2022
461wells in county record
#CompanyIn Hamlin Co. since 2016All-time in countyStatewide
1 Thein Well Company, Inc. 36 61 942
2 Kaiser Well Drilling 18 140 461
3 Steffl Drilling & Pump, Inc. 15 30 217
4 Lacey Well Drilling 4 46 910
5 Triple S 1 10 360
6 Geotek Engineering & Testing 1 6 661
7 Dakota Environmental, Inc. 1 1 181
8 Bullis Bros. Well Drilling 46 377
9 Stadheim Well Drilling 21 166
10 Pullman Well Drilling 18 3,380
11 Prairie Consulting Group, Inc. 18 296
12 Huron Drilling, Incorporated 12 2,246
13 Grimshaw Drilling Company 11 108
14 Torgrude Well Drilling 9 248
15 Kaiser Well Works 7 85
16 Empire Irrigation Drilling Company 6 334
17 Peckham, Jim 4 109
18 Lee Well Drilling Inc. 3 274
19 Rust, Tony & Son 3 54
20 American Engineering Testing,Inc. 2 687
21 Riverside Drilling Company 2 25
22 Chase Drilling 1 319
23 Twin City Testing 1 129
24 Ltp Enterprises, Inc. 1 121
25 Grewe Well Drilling 1 93
26 Valnes Well Drilling, Inc. 1 31

Ranked by wells drilled in Hamlin County since 2016 (then all-time), from the full SD DANR 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 Hamlin County?

Thein Well Company, Inc. has drilled the most Hamlin County wells in the recent record — 36 since 2016, 61 in the county all-time.

How many well drilling companies work in Hamlin County?

26 companies in the SD DANR record have drilled wells in Hamlin County; 10 of them have drilled somewhere in South Dakota since 2022. Smaller operators below the record threshold may also serve the area.

How deep is a typical well in Hamlin County?

The median drilled depth in Hamlin County is 53 ft, based on 502 recorded wells. Depths, water levels, and yields are on the Hamlin County wells page.

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

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