⟁ California Well Data field records · 2026 survey

California Well Data › San Bernardino County › Rialto (92377)

Rialto, CA (92377): well depth, water level & drilling cost

✓ 107 DWR records · San Bernardino County

400 ftmedian well depth
320 ft–600 fttypical depth range
139 ftmedian static water level
1,235 gpmmedian yield (15 tests)

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How deep are wells in and around Rialto (92377), California?

The median drilled well depth in and around Rialto (92377) is 400 ft, based on 95 wells with recorded depths in the state DWR database. Half fall between 320 ft and 600 ft; 90% are shallower than 803 ft.

How much does it cost to drill a well in and around Rialto (92377)?

Applying published per-foot rates to the local median depth of 400 ft: drilling and casing alone typically runs $10,000–$26,000; a complete system including pump, pressure tank, and hookup typically runs $24,000–$40,000. Actual quotes depend on site access, geology, and casing requirements.

What is the static water level in and around Rialto (92377)?

The median static water level is 139 ft below ground surface (middle half of wells: 89 ft–265 ft), from 18 measurements.

Drilled depth distribution

0–50 ft 0 50–100 ft 1 100–150 ft 4 150–200 ft 4 200–300 ft 5 300–400 ft 31 400–600 ft 24 600+ ft 26
Looking at a specific property in Rialto (92377)?

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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.