⟁ California Well Data field records · 2026 survey

California Well Data › San Bernardino County › Twin Peaks (92391)

Twin Peaks, CA (92391): well depth, water level & drilling cost

✓ 63 DWR records · San Bernardino County

280 ftmedian well depth
210 ft–400 fttypical depth range
77 ftmedian static water level
10 gpmmedian yield (49 tests)

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How deep are wells in and around Twin Peaks (92391), California?

The median drilled well depth in and around Twin Peaks (92391) is 280 ft, based on 57 wells with recorded depths in the state DWR database. Half fall between 210 ft and 400 ft; 90% are shallower than 522 ft.

How much does it cost to drill a well in and around Twin Peaks (92391)?

Applying published per-foot rates to the local median depth of 280 ft: drilling and casing alone typically runs $7,000–$18,200; a complete system including pump, pressure tank, and hookup typically runs $16,800–$28,000. Actual quotes depend on site access, geology, and casing requirements.

What is the static water level in and around Twin Peaks (92391)?

The median static water level is 77 ft below ground surface (middle half of wells: 37 ft–105 ft), from 12 measurements.

Drilled depth distribution

0–50 ft 0 50–100 ft 1 100–150 ft 2 150–200 ft 2 200–300 ft 25 300–400 ft 12 400–600 ft 12 600+ ft 3
Looking at a specific property in Twin Peaks (92391)?

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Part of San Bernardino 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.