⟁ Oregon Well Data field records · 2026 survey

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Tolleson Drilling Co.

Recorded as the driller on 248 water wells across 2 Oregon counties in the Oregon Water Resources Department (OWRD) well-log database, most in Clackamas County. Well-log records span 1959–1971.

248wells on record
—since 2022
2counties served
96 ftmedian depth

Counties served

Wells drilled by Tolleson Drilling Co., by county, across the full record.

CountyWells drilled
Clackamas County 245
Marion County 3

Well characteristics

Across the wells Tolleson Drilling Co. has drilled, the median depth is 96 ft (middle half 69 ft–160 ft), median tested yield 20 gpm, and median static water level 28 ft below ground surface. These summarize the company's own filed logs, not a marketing claim.

Original drilling logs

Recent well logs filed by Tolleson Drilling Co., straight from the public OWRD record:

"Records span 1959–1971" 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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