⟁ California Well Data field records · 2026 survey

California Well Data › Alameda County › Sunol (94586)

Sunol, CA (94586): well depth, water level & drilling cost

✓ 293 DWR records · Alameda County

220 ftmedian well depth
128 ft–310 fttypical depth range
49 ftmedian static water level
15 gpmmedian yield (101 tests)

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How deep are wells in and around Sunol (94586), California?

The median drilled well depth in and around Sunol (94586) is 220 ft, based on 207 wells with recorded depths in the state DWR database. Half fall between 128 ft and 310 ft; 90% are shallower than 389 ft.

How much does it cost to drill a well in and around Sunol (94586)?

Applying published per-foot rates to the local median depth of 220 ft: drilling and casing alone typically runs $5,500–$14,300; a complete system including pump, pressure tank, and hookup typically runs $13,200–$22,000. Actual quotes depend on site access, geology, and casing requirements.

What is the static water level in and around Sunol (94586)?

The median static water level is 49 ft below ground surface (middle half of wells: 23 ft–75 ft), from 106 measurements.

Drilled depth distribution

0–50 ft 21 50–100 ft 8 100–150 ft 36 150–200 ft 27 200–300 ft 47 300–400 ft 47 400–600 ft 17 600+ ft 4
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Part of Alameda 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.