California Well Data › Tehama County
Tehama County, California: well depth, water level & drilling cost
✓ 14,624 DWR records · verified 2026-10-02
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How deep are wells in Tehama County, California?
The median drilled well depth in Tehama County is 170 ft, based on 14,604 wells with recorded depths in the state DWR database. Half of all wells fall between 116 ft and 268 ft; 90% are shallower than 390 ft. Wells drilled since 2016 have a median depth of 260 ft.
How much does it cost to drill a well in Tehama County?
Applying published per-foot rates to the local median depth of 260 ft: drilling and casing alone typically runs $6,500–$16,900; a complete system including pump, pressure tank, and hookup typically runs $15,600–$26,000. Actual quotes depend on site access, geology, and casing requirements.
What is the static water level in Tehama County?
The median static water level is 86 ft below ground surface (middle half of wells: 52 ft–136 ft), from 1,259 measurements.
How much water do wells in Tehama County produce?
The median tested yield is 60 gpm (middle half: 40 gpm–100 gpm), from 6,635 pump tests. A typical household needs 5–10 gpm.
Drilled depth distribution
Who drills wells in Tehama 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 Tehama County
Median depth, water level, and yield for each ZIP code with recorded wells.
- Red Bluff (96080) — 3,905 wells, median 172 ft
- Cottonwood (96022) — 3,180 wells, median 190 ft
- Corning (96021) — 2,756 wells, median 162 ft
- Flournoy (96029) — 1,114 wells, median 237 ft
- Proberta (96078) — 955 wells, median 121 ft
- Los Molinos (96055) — 660 wells, median 96 ft
- Vina (96092) — 623 wells, median 138 ft
- Gerber (96035) — 583 wells, median 150 ft
- Tehama (96090) — 485 wells, median 100 ft
- Paskenta (96074) — 82 wells, median 120 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.