⟁ California Well Data field records · 2026 survey

California Well Data › Los Angeles County › Castaic (91384)

Castaic, CA (91384): well depth, water level & drilling cost

✓ 66 DWR records · Los Angeles County

280 ftmedian well depth
130 ft–400 fttypical depth range
160 ftmedian static water level
35 gpmmedian yield (33 tests)

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How deep are wells in and around Castaic (91384), California?

The median drilled well depth in and around Castaic (91384) is 280 ft, based on 45 wells with recorded depths in the state DWR database. Half fall between 130 ft and 400 ft; 90% are shallower than 552 ft.

How much does it cost to drill a well in and around Castaic (91384)?

Applying published per-foot rates to the local median depth of 280 ft: drilling and casing alone typically runs $7,000–$18,200; a complete system including pump, pressure tank, and hookup typically runs $16,800–$28,000. Actual quotes depend on site access, geology, and casing requirements.

What is the static water level in and around Castaic (91384)?

The median static water level is 160 ft below ground surface (middle half of wells: 40 ft–225 ft), from 15 measurements.

Drilled depth distribution

0–50 ft 0 50–100 ft 5 100–150 ft 11 150–200 ft 4 200–300 ft 5 300–400 ft 6 400–600 ft 9 600+ ft 5
Looking at a specific property in Castaic (91384)?

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Part of Los Angeles County well records.

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), grouped by ZIP from the recorded address. Cost estimate applies published per-foot ranges to the local median depth — full methodology & sources.