Mack Drilling Co.
Recorded as the driller on 2,801 water wells across 15 Oregon counties in the Oregon Water Resources Department (OWRD) well-log database, most in Marion County. Well-log records span 1990–2026.
Counties served
Wells drilled by Mack Drilling Co., by county, across the full record.
| County | Wells drilled |
|---|---|
| Marion County | 2,053 |
| Linn County | 310 |
| Polk County | 247 |
| Yamhill County | 58 |
| Clackamas County | 57 |
| Lincoln County | 23 |
| Harney County | 15 |
| Washington County | 11 |
| Benton County | 10 |
| Tillamook County | 9 |
| Multnomah County | 3 |
| Jefferson County | 2 |
Show all 15 counties
| Coos County | 1 |
| Lane County | 1 |
| Morrow County | 1 |
Well characteristics
Across the wells Mack Drilling Co. has drilled, the median depth is 190 ft (middle half 101 ft–283 ft), median tested yield 30 gpm, and median static water level 44 ft below ground surface. These summarize the company's own filed logs, not a marketing claim.
Original drilling logs
Recent well logs filed by Mack Drilling Co., straight from the public OWRD record:
"Records span 1990–2026" 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.
Free. Goes to licensed drillers working Marion County, including Mack Drilling Co..
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This page is built from the public OWRD well-log record and helps property owners find a driller. Claim it (free) to confirm the details are right and give customers a way to reach you.
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