Mcmullen Well Drilling Corp
Recorded as the driller on 191 water wells across 6 Oregon counties in the Oregon Water Resources Department (OWRD) well-log database, most in Columbia County. Well-log records span 1991–2026.
Counties served
Wells drilled by Mcmullen Well Drilling Corp, by county, across the full record.
| County | Wells drilled |
|---|---|
| Columbia County | 126 |
| Clatsop County | 37 |
| Washington County | 19 |
| Multnomah County | 6 |
| Clackamas County | 2 |
| Tillamook County | 1 |
Well characteristics
Across the wells Mcmullen Well Drilling Corp has drilled, the median depth is 168 ft (middle half 100 ft–300 ft), median tested yield 12 gpm, and median static water level 54 ft below ground surface. These summarize the company's own filed logs, not a marketing claim.
Original drilling logs
Recent well logs filed by Mcmullen Well Drilling Corp, straight from the public OWRD record:
"Records span 1991–2026" 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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