⟁ Washington Well Data field records · 2026 survey

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Mark Zent

Recorded as the driller on 227 water wells across 7Washingtoncounties in Washington State Department of Ecology well construction reports, most in Clark County. Well-log records span 1977–2016.

227wells on record
—since 2022
7counties served
180 ftmedian depth

Counties served

Wells drilled by Mark Zent, by county, across the full record.

CountyWells drilled
Clark County190
Skamania County18
Cowlitz County14
Island County2
Franklin County1
Douglas County1
Wahkiakum County1

Well characteristics

Across the wells Mark Zent has drilled, the median depth is 180 ft (middle half 122 ft–275 ft), median tested yield 16 gpm, and median static water level 145 ft below ground surface. These summarize the company's own filed logs, not a marketing claim.

Original drilling logs

Recent well logs filed by Mark Zent, straight from the public Ecology record:

"Records span 1977–2016" 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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