⟁ California Well Data field records · 2026 survey

California Well Data › Modoc County

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

✓ 2,741 DWR records · verified 2026-08-14

240 ftmedian well depth
163 ft–383 fttypical depth range
55 ftmedian static water level
60 gpmmedian yield (1,337 tests)

How deep are wells in Modoc County, California?

The median drilled well depth in Modoc County is 240 ft, based on 2,735 wells with recorded depths in the state DWR database. Half of all wells fall between 163 ft and 383 ft; 90% are shallower than 600 ft. Wells drilled since 2016 have a median depth of 400 ft.

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

The median static water level is 55 ft below ground surface (middle half of wells: 36 ft–85 ft), from 127 measurements.

How much water do wells in Modoc County produce?

The median tested yield is 60 gpm (middle half: 30 gpm–180 gpm), from 1,337 pump tests. A typical household needs 5–10 gpm.

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Drilled depth distribution

0–50 ft 37 50–100 ft 165 100–150 ft 339 150–200 ft 420 200–300 ft 729 300–400 ft 395 400–600 ft 359 600+ ft 291

Who drills wells in Modoc 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
CONNERS WELL DRILLING70
CHANCELLOR DRILLING & PUMP8
YOUR H20 PRO8
WELL INDUSTRIES INC7
LEE CONNER WELL DRILLING A PARTNERSHIP7
STONEHOUSE WELL DRILLING7
ENLOE DRILLING AND PUMPS INC2
BRUCE MACKAY PUMP & WELL SERVICE INC2

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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.