⟁ California Well Data field records · 2026 survey

California Well Data › San Joaquin County › Thornton (95686)

Thornton, CA (95686): well depth, water level & drilling cost

✓ 223 DWR records · San Joaquin County

150 ftmedian well depth
107 ft–250 fttypical depth range
17 ftmedian static water level
175 gpmmedian yield (34 tests)

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How deep are wells in and around Thornton (95686), California?

The median drilled well depth in and around Thornton (95686) is 150 ft, based on 155 wells with recorded depths in the state DWR database. Half fall between 107 ft and 250 ft; 90% are shallower than 351 ft.

How much does it cost to drill a well in and around Thornton (95686)?

Applying published per-foot rates to the local median depth of 150 ft: drilling and casing alone typically runs $3,750–$9,750; a complete system including pump, pressure tank, and hookup typically runs $9,000–$15,000. Actual quotes depend on site access, geology, and casing requirements.

What is the static water level in and around Thornton (95686)?

The median static water level is 17 ft below ground surface (middle half of wells: 10 ft–29 ft), from 45 measurements.

Drilled depth distribution

0–50 ft 3 50–100 ft 30 100–150 ft 41 150–200 ft 31 200–300 ft 23 300–400 ft 17 400–600 ft 7 600+ ft 3
Looking at a specific property in Thornton (95686)?

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Part of San Joaquin 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.