Washington Well Data field records · 2026 survey

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Forrest Tennant

Recorded as the driller on 189 water wells across 12 Washington counties in Washington State Department of Ecology well construction reports, most in Spokane County. Well-log records span 2005–2009.

189wells on record
since 2022
12counties served
200 ftmedian depth

Counties served

Wells drilled by Forrest Tennant, by county, across the full record.

CountyWells drilled
Spokane County 111
Lincoln County 29
Stevens County 13
Chelan County 8
Kittitas County 8
Ferry County 7
Pend Oreille County 6
Whitman County 3
Benton County 1
Franklin County 1
Grant County 1
Yakima County 1

Well characteristics

Across the wells Forrest Tennant has drilled, the median depth is 200 ft (middle half 120 ft–319 ft), median tested yield 20 gpm, and median static water level 73 ft below ground surface. These summarize the company's own filed logs, not a marketing claim.

Original drilling logs

Recent well logs filed by Forrest Tennant, straight from the public Ecology record:

"Records span 2005–2009" refers to the earliest and latest well logs attributed to this company in the Ecology database — the state digitized older paper logs, so the first date is the oldest record on file, not necessarily the company's founding year.

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