⟁ California Well Data field records · 2026 survey

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Rainbow Drilling

Recorded as the driller on 207 water wells across 7 California counties in the California Department of Water Resources (DWR) Well Completion Reports database, most in Kern County. Well-log records span 1977–2016.

207wells on record
—since 2022
7counties served
270 ftmedian depth

Counties served

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

CountyWells drilled
Kern County 156
Riverside County 25
Ventura County 8
San Diego County 7
Merced County 7
San Bernardino County 2
Inyo County 2

Well characteristics

Across the wells Rainbow Drilling has drilled, the median depth is 270 ft (middle half 199 ft–349 ft), median tested yield 21 gpm, and median static water level 63 ft below ground surface. These summarize the company's own filed logs, not a marketing claim.

Original drilling logs

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

"Records span 1977–2016" 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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