⟁ California Well Data field records · 2026 survey

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Curtis Hole Drilling Company

Recorded as the driller on 187 water wells across 7 California counties in the California Department of Water Resources (DWR) Well Completion Reports database, most in Fresno County. Well-log records span 1956–1992.

187wells on record
—since 2022
7counties served
155 ftmedian depth

Counties served

Wells drilled by Curtis Hole Drilling Company, by county, across the full record.

CountyWells drilled
Fresno County 137
San Diego County 18
Madera County 15
Kern County 6
Riverside County 6
Tulare County 4
San Bernardino County 1

Well characteristics

Across the wells Curtis Hole Drilling Company has drilled, the median depth is 155 ft (middle half 125 ft–200 ft), median tested yield 8 gpm, and median static water level 24 ft below ground surface. These summarize the company's own filed logs, not a marketing claim.

Original drilling logs

Recent well logs filed by Curtis Hole Drilling Company, straight from the public DWR record:

"Records span 1956–1992" 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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