⟁ California Well Data field records · 2026 survey

California Well Data › Los Angeles County

Los Angeles County, California: well depth, water level & drilling cost

✓ 36,834 DWR records · verified 2026-08-14

246 ftmedian well depth
91 ft–452 fttypical depth range
90 ftmedian static water level
30 gpmmedian yield (5,920 tests)

How deep are wells in Los Angeles County, California?

The median drilled well depth in Los Angeles County is 246 ft, based on 22,825 wells with recorded depths in the state DWR database. Half of all wells fall between 91 ft and 452 ft; 90% are shallower than 704 ft. Wells drilled since 2016 have a median depth of 87 ft.

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

Applying published per-foot rates to the local median depth of 87 ft: drilling and casing alone typically runs $2,175–$5,655; a complete system including pump, pressure tank, and hookup typically runs $5,220–$8,700. Actual quotes depend on site access, geology, and casing requirements.

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What is the static water level in Los Angeles County?

The median static water level is 90 ft below ground surface (middle half of wells: 46 ft–173 ft), from 2,773 measurements.

How much water do wells in Los Angeles County produce?

The median tested yield is 30 gpm (middle half: 10 gpm–630 gpm), from 5,920 pump tests. A typical household needs 5–10 gpm.

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Drilled depth distribution

0–50 ft 2,629 50–100 ft 3,386 100–150 ft 2,221 150–200 ft 1,634 200–300 ft 2,760 300–400 ft 2,585 400–600 ft 4,173 600+ ft 3,437

Who drills wells in Los Angeles 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
A B C LIOVIN DRILLING INC562
CASCADE DRILLING L P401
BEKS ACQUISITION INC252
J & H DRILLING CO INC243
FARWEST CORROSION CONTROL COMPANY238
YELLOW JACKET DRILLING SERVICES LLC152
BC2 ENVIRONMENTAL LLC104
GUARDINO WELL DRILLING INC104

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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.