⟁ California Well Data field records · 2026 survey

California Well Data › Calaveras County

Calaveras County, California: well depth, water level & drilling cost

✓ 8,579 DWR records · verified 2026-08-14

300 ftmedian well depth
220 ft–420 fttypical depth range
76 ftmedian static water level
20 gpmmedian yield (3,146 tests)

How deep are wells in Calaveras County, California?

The median drilled well depth in Calaveras County is 300 ft, based on 6,784 wells with recorded depths in the state DWR database. Half of all wells fall between 220 ft and 420 ft; 90% are shallower than 575 ft. Wells drilled since 2016 have a median depth of 400 ft.

How much does it cost to drill a well in Calaveras County?

Applying published per-foot rates to the local median depth of 400 ft: drilling and casing alone typically runs $10,000–$26,000; a complete system including pump, pressure tank, and hookup typically runs $24,000–$40,000. Actual quotes depend on site access, geology, and casing requirements.

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What is the static water level in Calaveras County?

The median static water level is 76 ft below ground surface (middle half of wells: 40 ft–124 ft), from 2,483 measurements.

How much water do wells in Calaveras County produce?

The median tested yield is 20 gpm (middle half: 7 gpm–50 gpm), from 3,146 pump tests. A typical household needs 5–10 gpm.

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Drilled depth distribution

0–50 ft 42 50–100 ft 155 100–150 ft 491 150–200 ft 506 200–300 ft 1,867 300–400 ft 1,629 400–600 ft 1,476 600+ ft 618

Who drills wells in Calaveras County?

Companies by number of wells completed in this county since 2016, per filed well completion reports (California Department of Water Resources).

DrillerWells since 2016
CANEPA AND SONS INC231
TANKO WELL DRILLING196
BRISKI WELL DRILLING CO42
MILES MARK WELL DRILLING41
JOEY'S WELL DRILLING & CONSTRUCTION35
R & M WATER WELL DRILLING & PUMPS INC23
TANKO BROS INC13
POINTS WEST DRILLING10

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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.