⟁ California Well Data field records · 2026 survey

California Well Data › San Mateo County › Daly City (94015)

Daly City, CA (94015): well depth, water level & drilling cost

✓ 171 DWR records · San Mateo County

40 ftmedian well depth
33 ft–559 fttypical depth range
246 ftmedian static water level
750 gpmmedian yield (16 tests)

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How deep are wells in and around Daly City (94015), California?

The median drilled well depth in and around Daly City (94015) is 40 ft, based on 66 wells with recorded depths in the state DWR database. Half fall between 33 ft and 559 ft; 90% are shallower than 690 ft.

How much does it cost to drill a well in and around Daly City (94015)?

Applying published per-foot rates to the local median depth of 40 ft: drilling and casing alone typically runs $1,000–$2,600; a complete system including pump, pressure tank, and hookup typically runs $2,400–$4,000. Actual quotes depend on site access, geology, and casing requirements.

What is the static water level in and around Daly City (94015)?

The median static water level is 246 ft below ground surface (middle half of wells: 220 ft–275 ft), from 17 measurements.

Drilled depth distribution

0–50 ft 35 50–100 ft 0 100–150 ft 4 150–200 ft 6 200–300 ft 0 300–400 ft 1 400–600 ft 7 600+ ft 13
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Part of San Mateo 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.