⟁ California Well Data field records · 2026 survey

California Well Data › Fresno County

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

✓ 44,119 DWR records · verified 2026-08-14

205 ftmedian well depth
140 ft–350 fttypical depth range
70 ftmedian static water level
60 gpmmedian yield (15,207 tests)

How deep are wells in Fresno County, California?

The median drilled well depth in Fresno County is 205 ft, based on 37,126 wells with recorded depths in the state DWR database. Half of all wells fall between 140 ft and 350 ft; 90% are shallower than 550 ft. Wells drilled since 2016 have a median depth of 350 ft.

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

Applying published per-foot rates to the local median depth of 350 ft: drilling and casing alone typically runs $8,750–$22,750; a complete system including pump, pressure tank, and hookup typically runs $21,000–$35,000. Actual quotes depend on site access, geology, and casing requirements.

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What is the static water level in Fresno County?

The median static water level is 70 ft below ground surface (middle half of wells: 44 ft–102 ft), from 9,802 measurements.

How much water do wells in Fresno County produce?

The median tested yield is 60 gpm (middle half: 12 gpm–200 gpm), from 15,207 pump tests. A typical household needs 5–10 gpm.

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Drilled depth distribution

0–50 ft 458 50–100 ft 2,645 100–150 ft 7,955 150–200 ft 5,987 200–300 ft 7,203 300–400 ft 4,867 400–600 ft 4,773 600+ ft 3,238

Who drills wells in Fresno 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
STRICKLAND ENTERPRISES INC877
JOHNSON DRILLING CO411
BIG RIVER DRILLING LLC373
BRADLEY & SONS INC306
PRIETO ANTHONY J WATER WELL DRILLING INC273
H & B DRILLING AND SONS LLC247
SCOTT BELKNAP WELL DRILLING INC207
ARTHUR & ORUM WELL DRILLING INC207

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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.