⟁ California Well Data field records · 2026 survey

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Coastside Drilling & Pump Company

Recorded as the driller on 131 water wells across 3 California counties in the California Department of Water Resources (DWR) Well Completion Reports database, most in San Mateo County. Well-log records span 1987–1989.

131wells on record
—since 2022
3counties served
75 ftmedian depth

Counties served

Wells drilled by Coastside Drilling & Pump Company, by county, across the full record.

CountyWells drilled
San Mateo County 105
Contra Costa County 25
Solano County 1

Well characteristics

Across the wells Coastside Drilling & Pump Company has drilled, the median depth is 75 ft (middle half 75 ft–157 ft), median tested yield 20 gpm, and median static water level 35 ft below ground surface. These summarize the company's own filed logs, not a marketing claim.

Original drilling logs

Recent well logs filed by Coastside Drilling & Pump Company, straight from the public DWR record:

"Records span 1987–1989" 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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