⟁ California Well Data field records · 2026 survey

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Environmental Investigation Services, Inc.

Recorded as the driller on 100 water wells across 4 California counties in the California Department of Water Resources (DWR) Well Completion Reports database, most in Santa Clara County. Well-log records span 1972–2013.

100wells on record
—since 2022
4counties served
46 ftmedian depth

Counties served

Wells drilled by Environmental Investigation Services, Inc., by county, across the full record.

CountyWells drilled
Santa Clara County 88
Alameda County 10
San Mateo County 1
Yuba County 1

Well characteristics

Across the wells Environmental Investigation Services, Inc. has drilled, the median depth is 46 ft (middle half 36 ft–87 ft), median tested yield 3 gpm, and median static water level 7 ft below ground surface. These summarize the company's own filed logs, not a marketing claim.

Original drilling logs

Recent well logs filed by Environmental Investigation Services, Inc., straight from the public DWR record:

"Records span 1972–2013" 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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