⟁ California Well Data field records · 2026 survey

California Well Data › Sonoma County › Penngrove (94951)

Penngrove, CA (94951): well depth, water level & drilling cost

✓ 680 DWR records · Sonoma County

260 ftmedian well depth
178 ft–400 fttypical depth range
66 ftmedian static water level
30 gpmmedian yield (396 tests)

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How deep are wells in and around Penngrove (94951), California?

The median drilled well depth in and around Penngrove (94951) is 260 ft, based on 548 wells with recorded depths in the state DWR database. Half fall between 178 ft and 400 ft; 90% are shallower than 566 ft.

How much does it cost to drill a well in and around Penngrove (94951)?

Applying published per-foot rates to the local median depth of 260 ft: drilling and casing alone typically runs $6,500–$16,900; a complete system including pump, pressure tank, and hookup typically runs $15,600–$26,000. Actual quotes depend on site access, geology, and casing requirements.

What is the static water level in and around Penngrove (94951)?

The median static water level is 66 ft below ground surface (middle half of wells: 37 ft–120 ft), from 357 measurements.

Drilled depth distribution

0–50 ft 7 50–100 ft 26 100–150 ft 59 150–200 ft 96 200–300 ft 136 300–400 ft 84 400–600 ft 90 600+ ft 50
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Part of Sonoma 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.