California Well Data › Sierra County
Sierra County, California: well depth, water level & drilling cost
✓ 830 DWR records · verified 2026-10-02
Pull every recorded well near a Sierra County address — $49
How deep are wells in Sierra County, California?
The median drilled well depth in Sierra County is 175 ft, based on 629 wells with recorded depths in the state DWR database. Half of all wells fall between 115 ft and 275 ft; 90% are shallower than 425 ft. Wells drilled since 2016 have a median depth of 180 ft.
How much does it cost to drill a well in Sierra County?
Applying published per-foot rates to the local median depth of 175 ft: drilling and casing alone typically runs $4,375–$11,375; a complete system including pump, pressure tank, and hookup typically runs $10,500–$17,500. Actual quotes depend on site access, geology, and casing requirements.
What is the static water level in Sierra County?
The median static water level is 40 ft below ground surface (middle half of wells: 19 ft–85 ft), from 180 measurements.
How much water do wells in Sierra County produce?
The median tested yield is 20 gpm (middle half: 12 gpm–40 gpm), from 226 pump tests. A typical household needs 5–10 gpm.
Drilled depth distribution
Who drills wells in Sierra County?
Companies by number of wells completed in this county since 2016, per filed well completion reports (California Department of Water Resources).
| Driller | Wells since 2016 |
|---|---|
| B L GRANT INC | 20 |
| PETERS DRILLING AND PUMP SERVICE | 15 |
| DICKENS DRILLING INC | 4 |
| BRUCE MACKAY PUMP & WELL SERVICE INC | 4 |
| WELL INDUSTRIES INC | 4 |
| STONEHOUSE WELL DRILLING | 4 |
| BELKNAP PUMP COMPANY INC | 2 |
| WELSCO CORP | 2 |
See every driller with wells on record in Sierra County, ranked →
Get quotes from local drillers
See every recorded well near any address — depths, water levels, yields, original driller's logs — in a one-time report.
Free lookup Property report — $49Free. Goes to licensed drillers working Sierra County.
Well records by ZIP code in Sierra County
Median depth, water level, and yield for each ZIP code with recorded wells.
- Loyalton (96118) — 203 wells, median 240 ft
- Calpine (96124) — 123 wells, median 132 ft
- Sierraville (96126) — 109 wells, median 128 ft
- Sierra City (96125) — 70 wells, median 205 ft
- Alleghany (95910) — 53 wells, median 200 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.