Montalvo Well & Pump Co.
Recorded as the driller on 113 water wells across 4 California counties in the California Department of Water Resources (DWR) Well Completion Reports database, most in San Mateo County. Well-log records span 1977–1990.
Counties served
Wells drilled by Montalvo Well & Pump Co., by county, across the full record.
| County | Wells drilled |
|---|---|
| San Mateo County | 56 |
| Santa Clara County | 46 |
| Santa Cruz County | 9 |
| Alameda County | 2 |
Well characteristics
Across the wells Montalvo Well & Pump Co. has drilled, the median depth is 250 ft (middle half 180 ft–288 ft), median tested yield 25 gpm, and median static water level 80 ft below ground surface. These summarize the company's own filed logs, not a marketing claim.
"Records span 1977–1990" 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.
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