⟁ California Well Data field records · 2026 survey

California Well Data › Siskiyou County

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

✓ 9,272 DWR records · verified 2026-08-14

145 ftmedian well depth
96 ft–228 fttypical depth range
59 ftmedian static water level
20 gpmmedian yield (4,537 tests)

How deep are wells in Siskiyou County, California?

The median drilled well depth in Siskiyou County is 145 ft, based on 9,239 wells with recorded depths in the state DWR database. Half of all wells fall between 96 ft and 228 ft; 90% are shallower than 345 ft. Wells drilled since 2016 have a median depth of 204 ft.

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

Applying published per-foot rates to the local median depth of 204 ft: drilling and casing alone typically runs $5,100–$13,260; a complete system including pump, pressure tank, and hookup typically runs $12,240–$20,400. Actual quotes depend on site access, geology, and casing requirements.

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What is the static water level in Siskiyou County?

The median static water level is 59 ft below ground surface (middle half of wells: 25 ft–158 ft), from 841 measurements.

How much water do wells in Siskiyou County produce?

The median tested yield is 20 gpm (middle half: 10 gpm–40 gpm), from 4,537 pump tests. A typical household needs 5–10 gpm.

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Drilled depth distribution

0–50 ft 618 50–100 ft 1,736 100–150 ft 2,380 150–200 ft 1,343 200–300 ft 1,735 300–400 ft 766 400–600 ft 499 600+ ft 162

Who drills wells in Siskiyou 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
ENLOE DRILLING AND PUMPS INC289
A & M WELL DRILLING INC145
MC QUOID WELL DRILLING121
AQUARIUS WELL DRILLING INC91
DIAMOND CORE DRILLING INC48
MCQUOID WELL DRILLING INC30
CHANCELLOR DRILLING & PUMP28
CLOUSER DRILLING INCORPORATED27

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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.