⟁ California Well Data field records · 2026 survey

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Mcgann Drilling

Recorded as the driller on 254 water wells across 5 California counties in the California Department of Water Resources (DWR) Well Completion Reports database, most in Tuolumne County. Well-log records span 1962–1983.

254wells on record
—since 2022
5counties served
150 ftmedian depth

Counties served

Wells drilled by Mcgann Drilling, by county, across the full record.

CountyWells drilled
Tuolumne County 227
Calaveras County 13
Mariposa County 12
Kern County 1
Alpine County 1

Well characteristics

Across the wells Mcgann Drilling has drilled, the median depth is 150 ft (middle half 100 ft–247 ft), median tested yield 12 gpm, and median static water level 20 ft below ground surface. These summarize the company's own filed logs, not a marketing claim.

Original drilling logs

Recent well logs filed by Mcgann Drilling, straight from the public DWR record:

"Records span 1962–1983" 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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