⟁ California Well Data field records · 2026 survey

California Well Data › San Mateo County › San Gregorio (94074)

San Gregorio, CA (94074): well depth, water level & drilling cost

✓ 159 DWR records · San Mateo County

160 ftmedian well depth
100 ft–260 fttypical depth range
21 ftmedian static water level
10 gpmmedian yield (71 tests)

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How deep are wells in and around San Gregorio (94074), California?

The median drilled well depth in and around San Gregorio (94074) is 160 ft, based on 131 wells with recorded depths in the state DWR database. Half fall between 100 ft and 260 ft; 90% are shallower than 360 ft.

How much does it cost to drill a well in and around San Gregorio (94074)?

Applying published per-foot rates to the local median depth of 160 ft: drilling and casing alone typically runs $4,000–$10,400; a complete system including pump, pressure tank, and hookup typically runs $9,600–$16,000. Actual quotes depend on site access, geology, and casing requirements.

What is the static water level in and around San Gregorio (94074)?

The median static water level is 21 ft below ground surface (middle half of wells: 16 ft–45 ft), from 53 measurements.

Drilled depth distribution

0–50 ft 13 50–100 ft 18 100–150 ft 31 150–200 ft 16 200–300 ft 26 300–400 ft 16 400–600 ft 6 600+ ft 5
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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.