⟁ California Well Data field records · 2026 survey

California Well Data › Orange County › Seal Beach (90740)

Seal Beach, CA (90740): well depth, water level & drilling cost

✓ 161 DWR records · Orange County

352 ftmedian well depth
140 ft–673 fttypical depth range
13 ftmedian static water level
400 gpmmedian yield (29 tests)

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How deep are wells in and around Seal Beach (90740), California?

The median drilled well depth in and around Seal Beach (90740) is 352 ft, based on 94 wells with recorded depths in the state DWR database. Half fall between 140 ft and 673 ft; 90% are shallower than 799 ft.

How much does it cost to drill a well in and around Seal Beach (90740)?

Applying published per-foot rates to the local median depth of 352 ft: drilling and casing alone typically runs $8,800–$22,880; a complete system including pump, pressure tank, and hookup typically runs $21,120–$35,200. Actual quotes depend on site access, geology, and casing requirements.

What is the static water level in and around Seal Beach (90740)?

The median static water level is 13 ft below ground surface (middle half of wells: 9 ft–18 ft), from 21 measurements.

Drilled depth distribution

0–50 ft 11 50–100 ft 1 100–150 ft 12 150–200 ft 8 200–300 ft 11 300–400 ft 13 400–600 ft 10 600+ ft 28
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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.