⟁ Oregon Well Data field records · 2026 survey

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Duffield Brothers

Recorded as the driller on 374 water wells across 2 Oregon counties in the Oregon Water Resources Department (OWRD) well-log database, most in Marion County. Well-log records span 1948–1973.

374wells on record
—since 2022
2counties served
98 ftmedian depth

Counties served

Wells drilled by Duffield Brothers, by county, across the full record.

CountyWells drilled
Marion County 369
Clackamas County 5

Well characteristics

Across the wells Duffield Brothers has drilled, the median depth is 98 ft (middle half 74 ft–145 ft), median tested yield 20 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 Duffield Brothers, straight from the public OWRD record:

"Records span 1948–1973" refers to the earliest and latest well logs attributed to this company in the OWRD 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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