⟁ California Well Data field records · 2026 survey

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W D C Exploration & Wells

Recorded as the driller on 2,421 water wells across 42 California counties in the California Department of Water Resources (DWR) Well Completion Reports database, most in Santa Clara County. Well-log records span 1940–2012.

2,421wells on record
—since 2022
42counties served
68 ftmedian depth

Counties served

Wells drilled by W D C Exploration & Wells, by county, across the full record.

CountyWells drilled
Santa Clara County 482
Sacramento County 336
Los Angeles County 160
Napa County 141
Sonoma County 128
Alameda County 100
Riverside County 94
Yolo County 92
Merced County 90
Contra Costa County 74
San Diego County 71
San Joaquin County 69
Show all 42 counties
Orange County 68
San Bernardino County 68
Kern County 63
Solano County 50
San Francisco County 50
Monterey County 41
Stanislaus County 41
Madera County 37
Marin County 33
San Mateo County 28
Fresno County 21
El Dorado County 14
Santa Barbara County 13
Santa Cruz County 10
Mendocino County 9
Kings County 7
Sutter County 5
Amador County 4
Imperial County 3
Tulare County 3
Placer County 3
Yuba County 3
Ventura County 2
Tuolumne County 2
Calaveras County 1
Inyo County 1
Mono County 1
Nevada County 1
Sierra County 1
Plumas County 1

Well characteristics

Across the wells W D C Exploration & Wells has drilled, the median depth is 68 ft (middle half 27 ft–235 ft), median tested yield 90 gpm, and median static water level 26 ft below ground surface. These summarize the company's own filed logs, not a marketing claim.

Original drilling logs

Recent well logs filed by W D C Exploration & Wells, straight from the public DWR record:

"Records span 1940–2012" 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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