⟁ California Well Data field records · 2026 survey

California Well Data › Ventura County

Ventura County, California: well depth, water level & drilling cost

✓ 8,648 DWR records · verified 2026-08-14

300 ftmedian well depth
179 ft–503 fttypical depth range
70 ftmedian static water level
100 gpmmedian yield (2,608 tests)

How deep are wells in Ventura County, California?

The median drilled well depth in Ventura County is 300 ft, based on 6,327 wells with recorded depths in the state DWR database. Half of all wells fall between 179 ft and 503 ft; 90% are shallower than 880 ft. Wells drilled since 2016 have a median depth of 460 ft.

How much does it cost to drill a well in Ventura County?

Applying published per-foot rates to the local median depth of 460 ft: drilling and casing alone typically runs $11,500–$29,900; a complete system including pump, pressure tank, and hookup typically runs $27,600–$46,000. Actual quotes depend on site access, geology, and casing requirements.

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What is the static water level in Ventura County?

The median static water level is 70 ft below ground surface (middle half of wells: 31 ft–152 ft), from 1,067 measurements.

How much water do wells in Ventura County produce?

The median tested yield is 100 gpm (middle half: 25 gpm–1,200 gpm), from 2,608 pump tests. A typical household needs 5–10 gpm.

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Drilled depth distribution

0–50 ft 330 50–100 ft 439 100–150 ft 449 150–200 ft 561 200–300 ft 1,325 300–400 ft 888 400–600 ft 1,059 600+ ft 1,276

Who drills wells in Ventura County?

Companies by number of wells completed in this county since 2016, per filed well completion reports (California Department of Water Resources).

DrillerWells since 2016
HANSEN-WELLDO-SERVICE INC33
SIERRA EXPLORATION DRILLING CO INC23
THOMAS MURPHY PUMP & WELL22
PACIFIC COAST WELL DRILLING INC21
M DRILL16
CASCADE WELL CO15
BARBOUR WELL INC14
BEKS ACQUISITION INC13

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Method: medians computed from DWR records (filed well completion reports, water-supply uses only (destruction, repair and monitoring wells excluded); depths 0–5,000 ft). Cost estimate applies published per-foot ranges (checked 2026-06-11) to the local median depth — full methodology & sources.