⟁ California Well Data field records · 2026 survey

California Well Data › Santa Clara County › Gilroy (95021)

Gilroy, CA (95021): well depth, water level & drilling cost

✓ 1,226 DWR records · Santa Clara County

250 ftmedian well depth
156 ft–350 fttypical depth range
40 ftmedian static water level
123 gpmmedian yield (186 tests)

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How deep are wells in and around Gilroy (95021), California?

The median drilled well depth in and around Gilroy (95021) is 250 ft, based on 752 wells with recorded depths in the state DWR database. Half fall between 156 ft and 350 ft; 90% are shallower than 450 ft.

How much does it cost to drill a well in and around Gilroy (95021)?

Applying published per-foot rates to the local median depth of 250 ft: drilling and casing alone typically runs $6,250–$16,250; a complete system including pump, pressure tank, and hookup typically runs $15,000–$25,000. Actual quotes depend on site access, geology, and casing requirements.

What is the static water level in and around Gilroy (95021)?

The median static water level is 40 ft below ground surface (middle half of wells: 23 ft–70 ft), from 246 measurements.

Drilled depth distribution

0–50 ft 56 50–100 ft 57 100–150 ft 62 150–200 ft 64 200–300 ft 228 300–400 ft 148 400–600 ft 116 600+ ft 21
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Part of Santa Clara 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.