⟁ California Well Data field records · 2026 survey

California Well Data › San Bernardino County › Rialto (92376)

Rialto, CA (92376): well depth, water level & drilling cost

✓ 61 DWR records · San Bernardino County

778 ftmedian well depth
504 ft–970 fttypical depth range
249 ftmedian static water level
2,900 gpmmedian yield (18 tests)

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How deep are wells in and around Rialto (92376), California?

The median drilled well depth in and around Rialto (92376) is 778 ft, based on 48 wells with recorded depths in the state DWR database. Half fall between 504 ft and 970 ft; 90% are shallower than 1,051 ft.

How much does it cost to drill a well in and around Rialto (92376)?

Applying published per-foot rates to the local median depth of 778 ft: drilling and casing alone typically runs $19,450–$50,570; a complete system including pump, pressure tank, and hookup typically runs $46,680–$77,800. Actual quotes depend on site access, geology, and casing requirements.

What is the static water level in and around Rialto (92376)?

The median static water level is 249 ft below ground surface (middle half of wells: 184 ft–305 ft), from 8 measurements.

Drilled depth distribution

0–50 ft 3 50–100 ft 1 100–150 ft 0 150–200 ft 0 200–300 ft 0 300–400 ft 3 400–600 ft 8 600+ ft 33
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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.