Collum Drilling Company
Recorded as the driller on 37 water wells across 6 California counties in the California Department of Water Resources (DWR) Well Completion Reports database, most in Los Angeles County. Well-log records span 1950–1965.
Counties served
Wells drilled by Collum Drilling Company, by county, across the full record.
| County | Wells drilled |
|---|---|
| Los Angeles County | 13 |
| Orange County | 10 |
| Riverside County | 6 |
| San Diego County | 3 |
| San Bernardino County | 3 |
| Nevada County | 2 |
Well characteristics
Across the wells Collum Drilling Company has drilled, the median depth is 166 ft (middle half 111 ft–240 ft), median tested yield 60 gpm, and median static water level 75 ft below ground surface. These summarize the company's own filed logs, not a marketing claim.
Original drilling logs
Recent well logs filed by Collum Drilling Company, straight from the public DWR record:
"Records span 1950–1965" refers to the earliest and latest well logs attributed to this company in the DWR 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 Los Angeles County, including Collum Drilling Company.
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This page is built from the public DWR 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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