⟁ California Well Data field records · 2026 survey

California Well Data › Los Angeles County › Pomona (91766)

Pomona, CA (91766): well depth, water level & drilling cost

✓ 61 DWR records · Los Angeles County

351 ftmedian well depth
278 ft–529 fttypical depth range
214 ftmedian static water level
865 gpmmedian yield (9 tests)

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How deep are wells in and around Pomona (91766), California?

The median drilled well depth in and around Pomona (91766) is 351 ft, based on 36 wells with recorded depths in the state DWR database. Half fall between 278 ft and 529 ft; 90% are shallower than 798 ft.

How much does it cost to drill a well in and around Pomona (91766)?

Applying published per-foot rates to the local median depth of 351 ft: drilling and casing alone typically runs $8,775–$22,815; a complete system including pump, pressure tank, and hookup typically runs $21,060–$35,100. Actual quotes depend on site access, geology, and casing requirements.

What is the static water level in and around Pomona (91766)?

The median static water level is 214 ft below ground surface (middle half of wells: 214 ft–214 ft), from 1 measurements.

Drilled depth distribution

0–50 ft 3 50–100 ft 1 100–150 ft 1 150–200 ft 0 200–300 ft 6 300–400 ft 11 400–600 ft 7 600+ ft 7
Looking at a specific property in Pomona (91766)?

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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.