⟁ California Well Data field records · 2026 survey

California Well Data › Los Angeles County › El Monte (91734)

El Monte, CA (91734): well depth, water level & drilling cost

✓ 159 DWR records · Los Angeles County

103 ftmedian well depth
85 ft–145 fttypical depth range
57 ftmedian static water level
4,000 gpmmedian yield (5 tests)

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How deep are wells in and around El Monte (91734), California?

The median drilled well depth in and around El Monte (91734) is 103 ft, based on 90 wells with recorded depths in the state DWR database. Half fall between 85 ft and 145 ft; 90% are shallower than 228 ft.

How much does it cost to drill a well in and around El Monte (91734)?

Applying published per-foot rates to the local median depth of 103 ft: drilling and casing alone typically runs $2,575–$6,695; a complete system including pump, pressure tank, and hookup typically runs $6,180–$10,300. Actual quotes depend on site access, geology, and casing requirements.

What is the static water level in and around El Monte (91734)?

The median static water level is 57 ft below ground surface (middle half of wells: 57 ft–57 ft), from 1 measurements.

Drilled depth distribution

0–50 ft 4 50–100 ft 34 100–150 ft 31 150–200 ft 8 200–300 ft 8 300–400 ft 0 400–600 ft 3 600+ ft 2
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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.