⟁ California Well Data field records · 2026 survey

California Well Data › Sonoma County › Geyserville (95441)

Geyserville, CA (95441): well depth, water level & drilling cost

✓ 1,265 DWR records · Sonoma County

164 ftmedian well depth
83 ft–288 fttypical depth range
25 ftmedian static water level
50 gpmmedian yield (669 tests)

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How deep are wells in and around Geyserville (95441), California?

The median drilled well depth in and around Geyserville (95441) is 164 ft, based on 1,017 wells with recorded depths in the state DWR database. Half fall between 83 ft and 288 ft; 90% are shallower than 399 ft.

How much does it cost to drill a well in and around Geyserville (95441)?

Applying published per-foot rates to the local median depth of 164 ft: drilling and casing alone typically runs $4,100–$10,660; a complete system including pump, pressure tank, and hookup typically runs $9,840–$16,400. Actual quotes depend on site access, geology, and casing requirements.

What is the static water level in and around Geyserville (95441)?

The median static water level is 25 ft below ground surface (middle half of wells: 15 ft–65 ft), from 667 measurements.

Drilled depth distribution

0–50 ft 121 50–100 ft 174 100–150 ft 176 150–200 ft 97 200–300 ft 204 300–400 ft 145 400–600 ft 83 600+ ft 17
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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.