⟁ California Well Data field records · 2026 survey

California Well Data › Napa County › Calistoga (94515)

Calistoga, CA (94515): well depth, water level & drilling cost

✓ 1,421 DWR records · Napa County

250 ftmedian well depth
150 ft–384 fttypical depth range
47 ftmedian static water level
25 gpmmedian yield (794 tests)

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How deep are wells in and around Calistoga (94515), California?

The median drilled well depth in and around Calistoga (94515) is 250 ft, based on 1,128 wells with recorded depths in the state DWR database. Half fall between 150 ft and 384 ft; 90% are shallower than 516 ft.

How much does it cost to drill a well in and around Calistoga (94515)?

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 Calistoga (94515)?

The median static water level is 47 ft below ground surface (middle half of wells: 19 ft–100 ft), from 760 measurements.

Drilled depth distribution

0–50 ft 37 50–100 ft 86 100–150 ft 151 150–200 ft 139 200–300 ft 257 300–400 ft 190 400–600 ft 207 600+ ft 61
Looking at a specific property in Calistoga (94515)?

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Part of Napa 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.