⟁ California Well Data field records · 2026 survey

California Well Data › Orange County › Tustin (92781)

Tustin, CA (92781): well depth, water level & drilling cost

✓ 122 DWR records · Orange County

320 ftmedian well depth
78 ft–838 fttypical depth range
146 ftmedian static water level
900 gpmmedian yield (8 tests)

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How deep are wells in and around Tustin (92781), California?

The median drilled well depth in and around Tustin (92781) is 320 ft, based on 68 wells with recorded depths in the state DWR database. Half fall between 78 ft and 838 ft; 90% are shallower than 1,344 ft.

How much does it cost to drill a well in and around Tustin (92781)?

Applying published per-foot rates to the local median depth of 320 ft: drilling and casing alone typically runs $8,000–$20,800; a complete system including pump, pressure tank, and hookup typically runs $19,200–$32,000. Actual quotes depend on site access, geology, and casing requirements.

What is the static water level in and around Tustin (92781)?

The median static water level is 146 ft below ground surface (middle half of wells: 139 ft–153 ft), from 2 measurements.

Drilled depth distribution

0–50 ft 5 50–100 ft 13 100–150 ft 0 150–200 ft 3 200–300 ft 11 300–400 ft 7 400–600 ft 6 600+ ft 23
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Part of Orange 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.