California Well Data › Tuolumne County › Big Oak Flat (95305)
Big Oak Flat, CA (95305): well depth, water level & drilling cost
✓ 304 DWR records · Tuolumne County
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How deep are wells in and around Big Oak Flat (95305), California?
The median drilled well depth in and around Big Oak Flat (95305) is 310 ft, based on 276 wells with recorded depths in the state DWR database. Half fall between 200 ft and 450 ft; 90% are shallower than 600 ft.
How much does it cost to drill a well in and around Big Oak Flat (95305)?
Applying published per-foot rates to the local median depth of 310 ft: drilling and casing alone typically runs $7,750–$20,150; a complete system including pump, pressure tank, and hookup typically runs $18,600–$31,000. Actual quotes depend on site access, geology, and casing requirements.
What is the static water level in and around Big Oak Flat (95305)?
The median static water level is 63 ft below ground surface (middle half of wells: 40 ft–100 ft), from 41 measurements.
Drilled depth distribution
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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.