⟁ California Well Data field records · 2026 survey

California Well Data › Humboldt County › Arcata (95518)

Arcata, CA (95518): well depth, water level & drilling cost

✓ 79 DWR records · Humboldt County

80 ftmedian well depth
40 ft–128 fttypical depth range
9 ftmedian static water level
50 gpmmedian yield (15 tests)

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How deep are wells in and around Arcata (95518), California?

The median drilled well depth in and around Arcata (95518) is 80 ft, based on 77 wells with recorded depths in the state DWR database. Half fall between 40 ft and 128 ft; 90% are shallower than 155 ft.

How much does it cost to drill a well in and around Arcata (95518)?

Applying published per-foot rates to the local median depth of 80 ft: drilling and casing alone typically runs $2,000–$5,200; a complete system including pump, pressure tank, and hookup typically runs $4,800–$8,000. Actual quotes depend on site access, geology, and casing requirements.

What is the static water level in and around Arcata (95518)?

The median static water level is 9 ft below ground surface (middle half of wells: 7 ft–10 ft), from 6 measurements.

Drilled depth distribution

0–50 ft 26 50–100 ft 16 100–150 ft 23 150–200 ft 7 200–300 ft 5 300–400 ft 0 400–600 ft 0 600+ ft 0
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Part of Humboldt County well records.

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), grouped by ZIP from the recorded address. Cost estimate applies published per-foot ranges to the local median depth — full methodology & sources.