⟁ Washington Well Data field records · 2026 survey

Washington Well Data › Clallam County › Sequim (98382)

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

✓ 3,888 Ecology records · Clallam County

99 ftmedian well depth
61 ft–160 fttypical depth range
40 ftmedian static water level
20 gpmmedian yield (454 tests)

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

The median drilled well depth in and around Sequim (98382) is 99 ft, based on 3,869 wells with recorded depths in the state Ecology database. Half fall between 61 ft and 160 ft; 90% are shallower than 260 ft.

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

Applying published per-foot rates to the local median depth of 124 ft: drilling and casing alone typically runs $3,100–$8,060; a complete system including pump, pressure tank, and hookup typically runs $7,440–$12,400. Actual quotes depend on site access, geology, and casing requirements.

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

The median static water level is 40 ft below ground surface (middle half of wells: 16 ft–79 ft), from 734 measurements.

Drilled depth distribution

0–50 ft 468 50–100 ft 1,491 100–150 ft 845 150–200 ft 375 200–300 ft 425 300–400 ft 138 400–600 ft 95 600+ ft 32
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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.