⟁ California Well Data field records · 2026 survey

California Well Data › Sonoma County › Santa Rosa (95407)

Santa Rosa, CA (95407): well depth, water level & drilling cost

✓ 1,426 DWR records · Sonoma County

114 ftmedian well depth
72 ft–180 fttypical depth range
20 ftmedian static water level
30 gpmmedian yield (740 tests)

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How deep are wells in and around Santa Rosa (95407), California?

The median drilled well depth in and around Santa Rosa (95407) is 114 ft, based on 1,139 wells with recorded depths in the state DWR database. Half fall between 72 ft and 180 ft; 90% are shallower than 275 ft.

How much does it cost to drill a well in and around Santa Rosa (95407)?

Applying published per-foot rates to the local median depth of 114 ft: drilling and casing alone typically runs $2,850–$7,410; a complete system including pump, pressure tank, and hookup typically runs $6,840–$11,400. Actual quotes depend on site access, geology, and casing requirements.

What is the static water level in and around Santa Rosa (95407)?

The median static water level is 20 ft below ground surface (middle half of wells: 14 ft–35 ft), from 649 measurements.

Drilled depth distribution

0–50 ft 134 50–100 ft 342 100–150 ft 263 150–200 ft 158 200–300 ft 148 300–400 ft 45 400–600 ft 39 600+ ft 10
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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.