⟁ California Well Data field records · 2026 survey

California Well Data › Sonoma County › Sebastopol (95472)

Sebastopol, CA (95472): well depth, water level & drilling cost

✓ 2,093 DWR records · Sonoma County

215 ftmedian well depth
152 ft–295 fttypical depth range
50 ftmedian static water level
17 gpmmedian yield (1,248 tests)

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How deep are wells in and around Sebastopol (95472), California?

The median drilled well depth in and around Sebastopol (95472) is 215 ft, based on 1,770 wells with recorded depths in the state DWR database. Half fall between 152 ft and 295 ft; 90% are shallower than 380 ft.

How much does it cost to drill a well in and around Sebastopol (95472)?

Applying published per-foot rates to the local median depth of 302 ft: drilling and casing alone typically runs $7,550–$19,630; a complete system including pump, pressure tank, and hookup typically runs $18,120–$30,200. Actual quotes depend on site access, geology, and casing requirements.

What is the static water level in and around Sebastopol (95472)?

The median static water level is 50 ft below ground surface (middle half of wells: 30 ft–80 ft), from 1,140 measurements.

Drilled depth distribution

0–50 ft 69 50–100 ft 138 100–150 ft 223 150–200 ft 313 200–300 ft 611 300–400 ft 273 400–600 ft 121 600+ ft 22
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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.