⟁ California Well Data field records · 2026 survey

California Well Data › Tuolumne County › Sonora (95370)

Sonora, CA (95370): well depth, water level & drilling cost

✓ 751 DWR records · Tuolumne County

320 ftmedian well depth
200 ft–520 fttypical depth range
50 ftmedian static water level
30 gpmmedian yield (191 tests)

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How deep are wells in and around Sonora (95370), California?

The median drilled well depth in and around Sonora (95370) is 320 ft, based on 615 wells with recorded depths in the state DWR database. Half fall between 200 ft and 520 ft; 90% are shallower than 700 ft.

How much does it cost to drill a well in and around Sonora (95370)?

Applying published per-foot rates to the local median depth of 320 ft: drilling and casing alone typically runs $8,000–$20,800; a complete system including pump, pressure tank, and hookup typically runs $19,200–$32,000. Actual quotes depend on site access, geology, and casing requirements.

What is the static water level in and around Sonora (95370)?

The median static water level is 50 ft below ground surface (middle half of wells: 30 ft–100 ft), from 126 measurements.

Drilled depth distribution

0–50 ft 4 50–100 ft 36 100–150 ft 52 150–200 ft 52 200–300 ft 96 300–400 ft 118 400–600 ft 137 600+ ft 120
Looking at a specific property in Sonora (95370)?

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Part of Tuolumne 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.