Washington Well Data field records · 2026 survey

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Best well drillers in Asotin County, Washington

Not a pay-to-play list: these are the 22 drilling companies with wells on record in Asotin County, ranked by wells actually drilled here — 514 logged wells in Washington State Department of Ecology well construction reports (records as of 2026-07-28). Every number links back to the public record.

22companies on record
8active since 2022
514wells in county record
#CompanyIn Asotin Co. since 2016All-time in countyStatewide
1 Brett Uhlenkott 68 149 307
2 Eric Forsmann 38 71 156
3 Caleb Forsmann 15 15 63
4 Mark Nail 13 49 53
5 James Hickam 1 4 556
6 John Kline 1 1 25
7 Tim Uhlenkott 100 146
8 Roger Witt 54 120
9 George Burns 30 42
10 David Warburton 12 37
11 William Uhlenkott 10 46
12 Brady Voth 3 607
13 Louie Hanner 2 221
14 William Munich 2 388
15 Casey Burton 2 180
16 Guy Kelly 2 176
17 NA Unknown 2 139
18 Roger Kelly 2 115
19 Salvador Valenciano 1 348
20 Kenneth Witham 1 524
21 Lynn Bartholomew 1 410
22 Larry Cassel 1 233

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

Brett Uhlenkott has drilled the most Asotin County wells in the recent record — 68 since 2016, 149 in the county all-time.

How many well drilling companies work in Asotin County?

22 companies in the Ecology record have drilled wells in Asotin County; 8 of them have drilled somewhere in Washington since 2022. Smaller operators below the record threshold may also serve the area.

How deep is a typical well in Asotin County?

The median drilled depth in Asotin County is 210 ft, based on 537 recorded wells. Depths, water levels, and yields are on the Asotin County wells page.

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

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