⟁ California Well Data field records · 2026 survey

California Well Data › Los Angeles County › Downey (90240)

Downey, CA (90240): well depth, water level & drilling cost

✓ 129 DWR records · Los Angeles County

131 ftmedian well depth
93 ft–455 fttypical depth range
103 ftmedian static water level
2,075 gpmmedian yield (3 tests)

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How deep are wells in and around Downey (90240), California?

The median drilled well depth in and around Downey (90240) is 131 ft, based on 96 wells with recorded depths in the state DWR database. Half fall between 93 ft and 455 ft; 90% are shallower than 662 ft.

How much does it cost to drill a well in and around Downey (90240)?

Applying published per-foot rates to the local median depth of 131 ft: drilling and casing alone typically runs $3,275–$8,515; a complete system including pump, pressure tank, and hookup typically runs $7,860–$13,100. Actual quotes depend on site access, geology, and casing requirements.

What is the static water level in and around Downey (90240)?

The median static water level is 103 ft below ground surface (middle half of wells: 100 ft–108 ft), from 4 measurements.

Drilled depth distribution

0–50 ft 15 50–100 ft 17 100–150 ft 22 150–200 ft 2 200–300 ft 4 300–400 ft 10 400–600 ft 12 600+ ft 14
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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.