⟁ California Well Data field records · 2026 survey

California Well Data › Sonoma County › Sebastopol (95473)

Sebastopol, CA (95473): well depth, water level & drilling cost

✓ 1,158 DWR records · Sonoma County

190 ftmedian well depth
100 ft–253 fttypical depth range
40 ftmedian static water level
30 gpmmedian yield (738 tests)

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How deep are wells in and around Sebastopol (95473), California?

The median drilled well depth in and around Sebastopol (95473) is 190 ft, based on 986 wells with recorded depths in the state DWR database. Half fall between 100 ft and 253 ft; 90% are shallower than 332 ft.

How much does it cost to drill a well in and around Sebastopol (95473)?

Applying published per-foot rates to the local median depth of 190 ft: drilling and casing alone typically runs $4,750–$12,350; a complete system including pump, pressure tank, and hookup typically runs $11,400–$19,000. Actual quotes depend on site access, geology, and casing requirements.

What is the static water level in and around Sebastopol (95473)?

The median static water level is 40 ft below ground surface (middle half of wells: 22 ft–60 ft), from 685 measurements.

Drilled depth distribution

0–50 ft 22 50–100 ft 216 100–150 ft 131 150–200 ft 144 200–300 ft 325 300–400 ft 99 400–600 ft 34 600+ ft 15
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Part of Sonoma 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.