⟁ California Well Data field records · 2026 survey

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Clark Well Drilling Co.

Recorded as the driller on 63 water wells across 2 California counties in the California Department of Water Resources (DWR) Well Completion Reports database, most in San Joaquin County. Well-log records span 1950–1974.

63wells on record
—since 2022
2counties served
268 ftmedian depth

Counties served

Wells drilled by Clark Well Drilling Co., by county, across the full record.

CountyWells drilled
San Joaquin County 61
San Bernardino County 2

Well characteristics

Across the wells Clark Well Drilling Co. has drilled, the median depth is 268 ft (middle half 188 ft–425 ft), median tested yield 665 gpm, and median static water level 52 ft below ground surface. These summarize the company's own filed logs, not a marketing claim.

Original drilling logs

Recent well logs filed by Clark Well Drilling Co., straight from the public DWR record:

"Records span 1950–1974" 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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