California Well Data › Nevada County
Nevada County, California: well depth, water level & drilling cost
✓ 23,260 DWR records · verified 2026-10-02
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How deep are wells in Nevada County, California?
The median drilled well depth in Nevada County is 200 ft, based on 20,208 wells with recorded depths in the state DWR database. Half of all wells fall between 125 ft and 340 ft; 90% are shallower than 500 ft. Wells drilled since 2016 have a median depth of 320 ft.
How much does it cost to drill a well in Nevada County?
Applying published per-foot rates to the local median depth of 320 ft: drilling and casing alone typically runs $8,000–$20,800; a complete system including pump, pressure tank, and hookup typically runs $19,200–$32,000. Actual quotes depend on site access, geology, and casing requirements.
What is the static water level in Nevada County?
The median static water level is 55 ft below ground surface (middle half of wells: 30 ft–100 ft), from 4,547 measurements.
How much water do wells in Nevada County produce?
The median tested yield is 12 gpm (middle half: 5 gpm–29 gpm), from 6,226 pump tests. A typical household needs 5–10 gpm.
Drilled depth distribution
Who drills wells in Nevada County?
Companies by number of wells completed in this county since 2016, per filed well completion reports (California Department of Water Resources).
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Well records by ZIP code in Nevada County
Median depth, water level, and yield for each ZIP code with recorded wells.
- Grass Valley (95949) — 3,928 wells, median 225 ft
- Nevada City (95959) — 3,012 wells, median 240 ft
- Rough And Ready (95975) — 2,811 wells, median 175 ft
- Grass Valley (95945) — 2,670 wells, median 200 ft
- Penn Valley (95946) — 2,122 wells, median 225 ft
- Chicago Park (95712) — 1,948 wells, median 200 ft
- Cedar Ridge (95924) — 1,611 wells, median 150 ft
- North San Juan (95960) — 1,457 wells, median 200 ft
- Truckee (96161) — 292 wells, median 250 ft
- Floriston (96111) — 282 wells, median 275 ft
- Washington (95986) — 278 wells, median 268 ft
- Truckee (96160) — 223 wells, median 250 ft
- Emigrant Gap (95715) — 213 wells, median 275 ft
- Soda Springs (95728) — 198 wells, median 300 ft
- Norden (95724) — 54 wells, median 250 ft
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). Cost estimate applies published per-foot ranges (checked 2026-06-11) to the local median depth — full methodology & sources.