⟁ California Well Data field records · 2026 survey

California Well Data › Alameda County › Piedmont (94620)

Piedmont, CA (94620): well depth, water level & drilling cost

✓ 73 DWR records · Alameda County

120 ftmedian well depth
57 ft–241 fttypical depth range
54 ftmedian static water level
38 gpmmedian yield (20 tests)

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How deep are wells in and around Piedmont (94620), California?

The median drilled well depth in and around Piedmont (94620) is 120 ft, based on 43 wells with recorded depths in the state DWR database. Half fall between 57 ft and 241 ft; 90% are shallower than 300 ft.

How much does it cost to drill a well in and around Piedmont (94620)?

Applying published per-foot rates to the local median depth of 120 ft: drilling and casing alone typically runs $3,000–$7,800; a complete system including pump, pressure tank, and hookup typically runs $7,200–$12,000. Actual quotes depend on site access, geology, and casing requirements.

What is the static water level in and around Piedmont (94620)?

The median static water level is 54 ft below ground surface (middle half of wells: 34 ft–95 ft), from 14 measurements.

Drilled depth distribution

0–50 ft 9 50–100 ft 6 100–150 ft 8 150–200 ft 5 200–300 ft 5 300–400 ft 7 400–600 ft 3 600+ ft 0
Looking at a specific property in Piedmont (94620)?

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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.