Doshier And Gregson Drilling Inc.
Recorded as the driller on 489 water wells across 6 California counties in the California Department of Water Resources (DWR) Well Completion Reports database, most in Napa County. Well-log records span 1974–1981.
Counties served
Wells drilled by Doshier And Gregson Drilling Inc., by county, across the full record.
| County | Wells drilled |
|---|---|
| Napa County | 457 |
| Contra Costa County | 12 |
| Marin County | 10 |
| Sonoma County | 7 |
| Solano County | 2 |
| Alameda County | 1 |
Well characteristics
Across the wells Doshier And Gregson Drilling Inc. has drilled, the median depth is 250 ft (middle half 180 ft–365 ft), median tested yield 25 gpm, and median static water level 40 ft below ground surface. These summarize the company's own filed logs, not a marketing claim.
Original drilling logs
Recent well logs filed by Doshier And Gregson Drilling Inc., straight from the public DWR record:
"Records span 1974–1981" 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 Napa County, including Doshier And Gregson Drilling Inc..
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