⟁ California Well Data field records · 2026 survey

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Warren Opie Wallis

Recorded as the driller on 161 water wells across 1 California county in the California Department of Water Resources (DWR) Well Completion Reports database, most in San Bernardino County. Well-log records span 1974–1981.

161wells on record
—since 2022
1counties served
200 ftmedian depth

Counties served

Wells drilled by Warren Opie Wallis, by county, across the full record.

CountyWells drilled
San Bernardino County 161

Well characteristics

Across the wells Warren Opie Wallis has drilled, the median depth is 200 ft (middle half 150 ft–254 ft), median tested yield 600 gpm, and median static water level 72 ft below ground surface. These summarize the company's own filed logs, not a marketing claim.

Original drilling logs

Recent well logs filed by Warren Opie Wallis, 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.

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