⟁ California Well Data field records · 2026 survey

California Well Data › Los Angeles County › Castaic (91310)

Castaic, CA (91310): well depth, water level & drilling cost

✓ 85 DWR records · Los Angeles County

305 ftmedian well depth
150 ft–470 fttypical depth range
59 ftmedian static water level
15 gpmmedian yield (25 tests)

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How deep are wells in and around Castaic (91310), California?

The median drilled well depth in and around Castaic (91310) is 305 ft, based on 43 wells with recorded depths in the state DWR database. Half fall between 150 ft and 470 ft; 90% are shallower than 731 ft.

How much does it cost to drill a well in and around Castaic (91310)?

Applying published per-foot rates to the local median depth of 305 ft: drilling and casing alone typically runs $7,625–$19,825; a complete system including pump, pressure tank, and hookup typically runs $18,300–$30,500. Actual quotes depend on site access, geology, and casing requirements.

What is the static water level in and around Castaic (91310)?

The median static water level is 59 ft below ground surface (middle half of wells: 35 ft–120 ft), from 9 measurements.

Drilled depth distribution

0–50 ft 5 50–100 ft 2 100–150 ft 3 150–200 ft 4 200–300 ft 6 300–400 ft 5 400–600 ft 12 600+ ft 6
Looking at a specific property in Castaic (91310)?

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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.