⟁ California Well Data field records · 2026 survey

California Well Data › San Diego County › Bonsall (92003)

Bonsall, CA (92003): well depth, water level & drilling cost

✓ 779 DWR records · San Diego County

610 ftmedian well depth
304 ft–945 fttypical depth range
80 ftmedian static water level
50 gpmmedian yield (595 tests)

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How deep are wells in and around Bonsall (92003), California?

The median drilled well depth in and around Bonsall (92003) is 610 ft, based on 693 wells with recorded depths in the state DWR database. Half fall between 304 ft and 945 ft; 90% are shallower than 1,210 ft.

How much does it cost to drill a well in and around Bonsall (92003)?

Applying published per-foot rates to the local median depth of 610 ft: drilling and casing alone typically runs $15,250–$39,650; a complete system including pump, pressure tank, and hookup typically runs $36,600–$61,000. Actual quotes depend on site access, geology, and casing requirements.

What is the static water level in and around Bonsall (92003)?

The median static water level is 80 ft below ground surface (middle half of wells: 30 ft–179 ft), from 270 measurements.

Drilled depth distribution

0–50 ft 21 50–100 ft 80 100–150 ft 25 150–200 ft 7 200–300 ft 30 300–400 ft 36 400–600 ft 117 600+ ft 377
Looking at a specific property in Bonsall (92003)?

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Part of San Diego 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.