⟁ California Well Data field records · 2026 survey

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Moss Roscoe Company

Recorded as the driller on 1,220 water wells across 25 California counties in the California Department of Water Resources (DWR) Well Completion Reports database, most in Santa Clara County. Well-log records span 1925–2019.

1,220wells on record
—since 2022
25counties served
351 ftmedian depth

Counties served

Wells drilled by Moss Roscoe Company, by county, across the full record.

CountyWells drilled
Santa Clara County 363
Los Angeles County 246
Kern County 130
San Bernardino County 103
San Mateo County 82
Riverside County 60
Alameda County 55
Contra Costa County 29
Monterey County 28
Ventura County 26
Orange County 23
San Joaquin County 23
Show all 25 counties
Santa Cruz County 11
San Diego County 8
Santa Barbara County 6
Marin County 6
Inyo County 4
Yolo County 4
Sonoma County 3
Madera County 3
Mono County 2
Solano County 2
Fresno County 1
Sacramento County 1
Mendocino County 1

Well characteristics

Across the wells Moss Roscoe Company has drilled, the median depth is 351 ft (middle half 30 ft–674 ft), median tested yield 1,800 gpm, and median static water level 107 ft below ground surface. These summarize the company's own filed logs, not a marketing claim.

Original drilling logs

Recent well logs filed by Moss Roscoe Company, straight from the public DWR record:

"Records span 1925–2019" 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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