California Well Data › San Benito County
San Benito County, California: well depth, water level & drilling cost
✓ 2,508 DWR records · verified 2026-10-02
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How deep are wells in San Benito County, California?
The median drilled well depth in San Benito County is 252 ft, based on 1,996 wells with recorded depths in the state DWR database. Half of all wells fall between 160 ft and 389 ft; 90% are shallower than 560 ft. Wells drilled since 2016 have a median depth of 300 ft.
How much does it cost to drill a well in San Benito County?
Applying published per-foot rates to the local median depth of 300 ft: drilling and casing alone typically runs $7,500–$19,500; a complete system including pump, pressure tank, and hookup typically runs $18,000–$30,000. Actual quotes depend on site access, geology, and casing requirements.
What is the static water level in San Benito County?
The median static water level is 57 ft below ground surface (middle half of wells: 30 ft–100 ft), from 1,167 measurements.
How much water do wells in San Benito County produce?
The median tested yield is 50 gpm (middle half: 17 gpm–200 gpm), from 881 pump tests. A typical household needs 5–10 gpm.
Drilled depth distribution
Who drills wells in San Benito 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 |
|---|---|
| GUARDINO WELL DRILLING INC | 89 |
| MAGGIORA BROS DRILLING INC | 73 |
| MAIER & DOUGHERTY PUMP & SUPPLY INC | 25 |
| AMERICAN CONSTRUCTION AND SUPPLY INC | 20 |
| GRANITE DRILLING COMPANY | 14 |
| EATON DRILLING CO LLC | 13 |
| FRED ASH & SONS LYNCH PUMP CO | 11 |
| DE LA GRANGE AND SONS | 9 |
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Well records by ZIP code in San Benito County
Median depth, water level, and yield for each ZIP code with recorded wells.
- Hollister (95024) — 1,013 wells, median 251 ft
- San Juan Bautista (95045) — 379 wells, median 304 ft
- Tres Pinos (95075) — 256 wells, median 205 ft
- Hollister (95023) — 219 wells, median 288 ft
- Paicines (95043) — 121 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.