Boart Longyear Company
Recorded as the driller on 172 water wells across 23 California counties in the California Department of Water Resources (DWR) Well Completion Reports database, most in Los Angeles County. Well-log records span 1994–2022.
Counties served
Wells drilled by Boart Longyear Company, by county, across the full record.
| County | Wells drilled |
|---|---|
| Los Angeles County | 33 |
| Tulare County | 27 |
| Contra Costa County | 17 |
| Kern County | 15 |
| San Bernardino County | 12 |
| Fresno County | 12 |
| El Dorado County | 9 |
| Monterey County | 7 |
| San Francisco County | 7 |
| Alameda County | 5 |
| Madera County | 5 |
| Santa Clara County | 4 |
Show all 23 counties
| Solano County | 4 |
| Ventura County | 3 |
| San Diego County | 2 |
| Orange County | 2 |
| Santa Barbara County | 2 |
| Riverside County | 1 |
| Santa Cruz County | 1 |
| Sonoma County | 1 |
| Sacramento County | 1 |
| Placer County | 1 |
| Yuba County | 1 |
Well characteristics
Across the wells Boart Longyear Company has drilled, the median depth is 273 ft (middle half 66 ft–1,143 ft), median tested yield 398 gpm, and median static water level 160 ft below ground surface. These summarize the company's own filed logs, not a marketing claim.
Original drilling logs
Recent well logs filed by Boart Longyear Company, straight from the public DWR record:
"Records span 1994–2022" 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 Boart Longyear Company.
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