⟁ California Well Data field records · 2026 survey

California Well Data › Sonoma County › Eldridge (95431)

Eldridge, CA (95431): well depth, water level & drilling cost

✓ 255 DWR records · Sonoma County

360 ftmedian well depth
232 ft–640 fttypical depth range
100 ftmedian static water level
30 gpmmedian yield (156 tests)

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How deep are wells in and around Eldridge (95431), California?

The median drilled well depth in and around Eldridge (95431) is 360 ft, based on 217 wells with recorded depths in the state DWR database. Half fall between 232 ft and 640 ft; 90% are shallower than 851 ft.

How much does it cost to drill a well in and around Eldridge (95431)?

Applying published per-foot rates to the local median depth of 360 ft: drilling and casing alone typically runs $9,000–$23,400; a complete system including pump, pressure tank, and hookup typically runs $21,600–$36,000. Actual quotes depend on site access, geology, and casing requirements.

What is the static water level in and around Eldridge (95431)?

The median static water level is 100 ft below ground surface (middle half of wells: 56 ft–187 ft), from 119 measurements.

Drilled depth distribution

0–50 ft 1 50–100 ft 4 100–150 ft 24 150–200 ft 15 200–300 ft 39 300–400 ft 37 400–600 ft 35 600+ ft 62
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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.