⟁ California Well Data field records · 2026 survey

California Well Data › San Mateo County › El Granada (94018)

El Granada, CA (94018): well depth, water level & drilling cost

✓ 335 DWR records · San Mateo County

140 ftmedian well depth
80 ft–262 fttypical depth range
15 ftmedian static water level
27 gpmmedian yield (6 tests)

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How deep are wells in and around El Granada (94018), California?

The median drilled well depth in and around El Granada (94018) is 140 ft, based on 329 wells with recorded depths in the state DWR database. Half fall between 80 ft and 262 ft; 90% are shallower than 350 ft.

How much does it cost to drill a well in and around El Granada (94018)?

Applying published per-foot rates to the local median depth of 140 ft: drilling and casing alone typically runs $3,500–$9,100; a complete system including pump, pressure tank, and hookup typically runs $8,400–$14,000. Actual quotes depend on site access, geology, and casing requirements.

What is the static water level in and around El Granada (94018)?

The median static water level is 15 ft below ground surface (middle half of wells: 8 ft–26 ft), from 12 measurements.

Drilled depth distribution

0–50 ft 14 50–100 ft 98 100–150 ft 59 150–200 ft 32 200–300 ft 65 300–400 ft 40 400–600 ft 20 600+ ft 1
Looking at a specific property in El Granada (94018)?

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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.