Doshier-Gregson Well Drilling Service
Recorded as the driller on 167 water wells across 4 California counties in the California Department of Water Resources (DWR) Well Completion Reports database, most in Napa County. Well-log records span 1962–1969.
Counties served
Wells drilled by Doshier-Gregson Well Drilling Service, by county, across the full record.
| County | Wells drilled |
|---|---|
| Napa County | 144 |
| Contra Costa County | 15 |
| Sonoma County | 5 |
| Solano County | 3 |
Well characteristics
Across the wells Doshier-Gregson Well Drilling Service has drilled, the median depth is 159 ft (middle half 120 ft–246 ft), median tested yield 23 gpm, and median static water level 21 ft below ground surface. These summarize the company's own filed logs, not a marketing claim.
"Records span 1962–1969" 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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