California Well Data › Madera County
Madera County, California: well depth, water level & drilling cost
✓ 18,385 DWR records · verified 2026-10-02
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How deep are wells in Madera County, California?
The median drilled well depth in Madera County is 397 ft, based on 15,767 wells with recorded depths in the state DWR database. Half of all wells fall between 295 ft and 569 ft; 90% are shallower than 750 ft. Wells drilled since 2016 have a median depth of 600 ft.
How much does it cost to drill a well in Madera County?
Applying published per-foot rates to the local median depth of 600 ft: drilling and casing alone typically runs $15,000–$39,000; a complete system including pump, pressure tank, and hookup typically runs $36,000–$60,000. Actual quotes depend on site access, geology, and casing requirements.
What is the static water level in Madera County?
The median static water level is 174 ft below ground surface (middle half of wells: 110 ft–242 ft), from 5,772 measurements.
How much water do wells in Madera County produce?
The median tested yield is 28 gpm (middle half: 8 gpm–80 gpm), from 9,080 pump tests. A typical household needs 5–10 gpm.
Drilled depth distribution
Who drills wells in Madera 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 Madera County
Median depth, water level, and yield for each ZIP code with recorded wells.
- Madera (93636) — 3,219 wells, median 360 ft
- Chowchilla (93610) — 2,102 wells, median 455 ft
- Madera (93638) — 1,869 wells, median 400 ft
- Oakhurst (93644) — 1,470 wells, median 351 ft
- Coarsegold (93614) — 1,388 wells, median 400 ft
- Madera (93639) — 1,291 wells, median 340 ft
- Madera (93637) — 1,145 wells, median 400 ft
- Ahwahnee (93601) — 1,129 wells, median 320 ft
- North Fork (93643) — 902 wells, median 401 ft
- Firebaugh (93622) — 836 wells, median 300 ft
- Raymond (93653) — 628 wells, median 460 ft
- Wishon (93669) — 402 wells, median 460 ft
- O Neals (93645) — 333 wells, median 425 ft
- Bass Lake (93604) — 232 wells, median 378 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.