⟁ California Well Data field records · 2026 survey

California Well Data › San Mateo County › Palo Alto (94303)

Palo Alto, CA (94303): well depth, water level & drilling cost

✓ 294 DWR records · San Mateo County

80 ftmedian well depth
38 ft–200 fttypical depth range
15 ftmedian static water level
10 gpmmedian yield (11 tests)

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How deep are wells in and around Palo Alto (94303), California?

The median drilled well depth in and around Palo Alto (94303) is 80 ft, based on 149 wells with recorded depths in the state DWR database. Half fall between 38 ft and 200 ft; 90% are shallower than 365 ft.

How much does it cost to drill a well in and around Palo Alto (94303)?

Applying published per-foot rates to the local median depth of 80 ft: drilling and casing alone typically runs $2,000–$5,200; a complete system including pump, pressure tank, and hookup typically runs $4,800–$8,000. Actual quotes depend on site access, geology, and casing requirements.

What is the static water level in and around Palo Alto (94303)?

The median static water level is 15 ft below ground surface (middle half of wells: 9 ft–32 ft), from 14 measurements.

Drilled depth distribution

0–50 ft 51 50–100 ft 25 100–150 ft 30 150–200 ft 5 200–300 ft 15 300–400 ft 8 400–600 ft 14 600+ ft 1
Looking at a specific property in Palo Alto (94303)?

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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.