⟁ California Well Data field records · 2026 survey

California Well Data › San Diego County › National City (91951)

National City, CA (91951): well depth, water level & drilling cost

✓ 110 DWR records · San Diego County

150 ftmedian well depth
30 ft–300 fttypical depth range
96 ftmedian static water level
710 gpmmedian yield (4 tests)

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How deep are wells in and around National City (91951), California?

The median drilled well depth in and around National City (91951) is 150 ft, based on 41 wells with recorded depths in the state DWR database. Half fall between 30 ft and 300 ft; 90% are shallower than 460 ft.

How much does it cost to drill a well in and around National City (91951)?

Applying published per-foot rates to the local median depth of 150 ft: drilling and casing alone typically runs $3,750–$9,750; a complete system including pump, pressure tank, and hookup typically runs $9,000–$15,000. Actual quotes depend on site access, geology, and casing requirements.

What is the static water level in and around National City (91951)?

The median static water level is 96 ft below ground surface (middle half of wells: 54 ft–106 ft), from 3 measurements.

Drilled depth distribution

0–50 ft 15 50–100 ft 1 100–150 ft 0 150–200 ft 10 200–300 ft 1 300–400 ft 4 400–600 ft 7 600+ ft 3
Looking at a specific property in National City (91951)?

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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.