⟁ Washington Well Data field records · 2026 survey

Washington Well Data › Clallam County › Sequim (98382)

Sequim, WA (98382): well depth, water level & drilling cost

✓ 910 Ecology records · Clallam County

120 ftmedian well depth
78 ft–193 fttypical depth range
53 ftmedian static water level
20 gpmmedian yield (427 tests)

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How deep are wells in Sequim (98382), Washington?

The median drilled well depth in Sequim (98382) is 120 ft, based on 906 wells with recorded depths in the state Ecology database. Half fall between 78 ft and 193 ft; 90% are shallower than 281 ft.

How much does it cost to drill a well in Sequim (98382)?

Applying published per-foot rates to the local median depth of 126 ft: drilling and casing alone typically runs $3,150–$8,190; a complete system including pump, pressure tank, and hookup typically runs $7,560–$12,600. Actual quotes depend on site access, geology, and casing requirements.

What is the static water level in Sequim (98382)?

The median static water level is 53 ft below ground surface (middle half of wells: 24 ft–102 ft), from 342 measurements.

Drilled depth distribution

0–50 ft 51 50–100 ft 323 100–150 ft 201 150–200 ft 120 200–300 ft 135 300–400 ft 36 400–600 ft 32 600+ ft 8
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Part of Clallam County well records.

Method: medians computed from Ecology records (water wells only — soil/environmental borings and decommissions 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.