⟁ California Well Data field records · 2026 survey

California Well Data › Contra Costa County › San Ramon (94582)

San Ramon, CA (94582): well depth, water level & drilling cost

✓ 140 DWR records · Contra Costa County

160 ftmedian well depth
113 ft–221 fttypical depth range
22 ftmedian static water level
9 gpmmedian yield (62 tests)

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How deep are wells in and around San Ramon (94582), California?

The median drilled well depth in and around San Ramon (94582) is 160 ft, based on 121 wells with recorded depths in the state DWR database. Half fall between 113 ft and 221 ft; 90% are shallower than 300 ft.

How much does it cost to drill a well in and around San Ramon (94582)?

Applying published per-foot rates to the local median depth of 160 ft: drilling and casing alone typically runs $4,000–$10,400; a complete system including pump, pressure tank, and hookup typically runs $9,600–$16,000. Actual quotes depend on site access, geology, and casing requirements.

What is the static water level in and around San Ramon (94582)?

The median static water level is 22 ft below ground surface (middle half of wells: 15 ft–49 ft), from 69 measurements.

Drilled depth distribution

0–50 ft 9 50–100 ft 8 100–150 ft 29 150–200 ft 30 200–300 ft 26 300–400 ft 13 400–600 ft 5 600+ ft 1
Looking at a specific property in San Ramon (94582)?

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Part of Contra Costa 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.