⟁ California Well Data field records · 2026 survey

California Well Data › Nevada County › Grass Valley (95949)

Grass Valley, CA (95949): well depth, water level & drilling cost

✓ 3,928 DWR records · Nevada County

225 ftmedian well depth
140 ft–350 fttypical depth range
46 ftmedian static water level
10 gpmmedian yield (975 tests)

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How deep are wells in and around Grass Valley (95949), California?

The median drilled well depth in and around Grass Valley (95949) is 225 ft, based on 3,502 wells with recorded depths in the state DWR database. Half fall between 140 ft and 350 ft; 90% are shallower than 500 ft.

How much does it cost to drill a well in and around Grass Valley (95949)?

Applying published per-foot rates to the local median depth of 225 ft: drilling and casing alone typically runs $5,625–$14,625; a complete system including pump, pressure tank, and hookup typically runs $13,500–$22,500. Actual quotes depend on site access, geology, and casing requirements.

What is the static water level in and around Grass Valley (95949)?

The median static water level is 46 ft below ground surface (middle half of wells: 30 ft–80 ft), from 688 measurements.

Drilled depth distribution

0–50 ft 18 50–100 ft 276 100–150 ft 625 150–200 ft 454 200–300 ft 748 300–400 ft 689 400–600 ft 479 600+ ft 213
Looking at a specific property in Grass Valley (95949)?

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Get quotes from drillers who work in Grass Valley (95949)

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Part of Nevada 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.