⟁ California Well Data field records · 2026 survey

California Well Data › Placer County

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

✓ 18,726 DWR records · verified 2026-08-14

200 ftmedian well depth
125 ft–304 fttypical depth range
35 ftmedian static water level
10 gpmmedian yield (5,553 tests)

How deep are wells in Placer County, California?

The median drilled well depth in Placer County is 200 ft, based on 15,674 wells with recorded depths in the state DWR database. Half of all wells fall between 125 ft and 304 ft; 90% are shallower than 500 ft. Wells drilled since 2016 have a median depth of 300 ft.

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

Applying published per-foot rates to the local median depth of 300 ft: drilling and casing alone typically runs $7,500–$19,500; a complete system including pump, pressure tank, and hookup typically runs $18,000–$30,000. Actual quotes depend on site access, geology, and casing requirements.

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What is the static water level in Placer County?

The median static water level is 35 ft below ground surface (middle half of wells: 20 ft–70 ft), from 4,319 measurements.

How much water do wells in Placer County produce?

The median tested yield is 10 gpm (middle half: 5 gpm–25 gpm), from 5,553 pump tests. A typical household needs 5–10 gpm.

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Drilled depth distribution

0–50 ft 345 50–100 ft 1,041 100–150 ft 3,120 150–200 ft 2,354 200–300 ft 3,540 300–400 ft 2,438 400–600 ft 1,923 600+ ft 913

Who drills wells in Placer 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
PETERS DRILLING AND PUMP SERVICE380
AMERICAN WELL DRILLING AND PUMP SERVICE368
GARY C TANKO WELL DRILLING INC342
DIAMOND WELL DRILLING COMPANY INC157
GOODELL WELL & PUMP SERVICE25
CASCADE DRILLING L P11
BRUCE MACKAY PUMP & WELL SERVICE INC10
GUARDINO WELL DRILLING INC10

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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.