⟁ California Well Data field records · 2026 survey

California Well Data › Los Angeles County › Rosemead (91770)

Rosemead, CA (91770): well depth, water level & drilling cost

✓ 152 DWR records · Los Angeles County

424 ftmedian well depth
148 ft–665 fttypical depth range
135 ftmedian static water level
2,552 gpmmedian yield (22 tests)

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How deep are wells in and around Rosemead (91770), California?

The median drilled well depth in and around Rosemead (91770) is 424 ft, based on 98 wells with recorded depths in the state DWR database. Half fall between 148 ft and 665 ft; 90% are shallower than 912 ft.

How much does it cost to drill a well in and around Rosemead (91770)?

Applying published per-foot rates to the local median depth of 424 ft: drilling and casing alone typically runs $10,600–$27,560; a complete system including pump, pressure tank, and hookup typically runs $25,440–$42,400. Actual quotes depend on site access, geology, and casing requirements.

What is the static water level in and around Rosemead (91770)?

The median static water level is 135 ft below ground surface (middle half of wells: 128 ft–143 ft), from 2 measurements.

Drilled depth distribution

0–50 ft 0 50–100 ft 17 100–150 ft 10 150–200 ft 0 200–300 ft 14 300–400 ft 7 400–600 ft 20 600+ ft 30
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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.