Bertram Drilling Inc.
Recorded as the driller on 1,171 water wells across 33 California counties in the California Department of Water Resources (DWR) Well Completion Reports database, most in Sacramento County. Well-log records span 1995–2026.
Counties served
Wells drilled by Bertram Drilling Inc., by county, across the full record.
| County | Wells drilled |
|---|---|
| Sacramento County | 475 |
| Santa Clara County | 171 |
| Monterey County | 98 |
| San Mateo County | 80 |
| Los Angeles County | 60 |
| Marin County | 46 |
| Sonoma County | 43 |
| Placer County | 39 |
| Tuolumne County | 29 |
| El Dorado County | 23 |
| Napa County | 14 |
| Contra Costa County | 13 |
Show all 33 counties
Well characteristics
Across the wells Bertram Drilling Inc. has drilled, the median depth is 280 ft (middle half 280 ft–350 ft), median tested yield 200 gpm, and median static water level 110 ft below ground surface. These summarize the company's own filed logs, not a marketing claim.
Original drilling logs
Recent well logs filed by Bertram Drilling Inc., straight from the public DWR record:
"Records span 1995–2026" 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 Sacramento County, including Bertram Drilling Inc..
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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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