Washington Well Data field records · 2026 survey

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James Trepanier

Recorded as the driller on 145 water wells across 7 Washington counties in Washington State Department of Ecology well construction reports, most in Grays Harbor County. Well-log records span 1993–2006.

145wells on record
since 2022
7counties served
82 ftmedian depth

Counties served

Wells drilled by James Trepanier, by county, across the full record.

CountyWells drilled
Grays Harbor County 96
Pacific County 22
Okanogan County 14
Mason County 8
Thurston County 3
Skamania County 1
Spokane County 1

Well characteristics

Across the wells James Trepanier has drilled, the median depth is 82 ft (middle half 55 ft–135 ft), median tested yield 16 gpm, and median static water level 30 ft below ground surface. These summarize the company's own filed logs, not a marketing claim.

Original drilling logs

Recent well logs filed by James Trepanier, straight from the public Ecology record:

"Records span 1993–2006" 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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