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.
Counties served
Wells drilled by Tolleson Drilling Co., by county, across the full record.
| County | Wells 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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