⟁ Washington Well Data field records · 2026 survey

Washington Well Data › San Juan County › Friday Harbor (98250)

Friday Harbor, WA (98250): well depth, water level & drilling cost

✓ 363 Ecology records · San Juan County

345 ftmedian well depth
220 ft–500 fttypical depth range
30 ftmedian static water level
4 gpmmedian yield (215 tests)

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How deep are wells in Friday Harbor (98250), Washington?

The median drilled well depth in Friday Harbor (98250) is 345 ft, based on 357 wells with recorded depths in the state Ecology database. Half fall between 220 ft and 500 ft; 90% are shallower than 605 ft.

How much does it cost to drill a well in Friday Harbor (98250)?

Applying published per-foot rates to the local median depth of 345 ft: drilling and casing alone typically runs $8,625–$22,425; a complete system including pump, pressure tank, and hookup typically runs $20,700–$34,500. Actual quotes depend on site access, geology, and casing requirements.

What is the static water level in Friday Harbor (98250)?

The median static water level is 30 ft below ground surface (middle half of wells: 18 ft–60 ft), from 176 measurements.

Drilled depth distribution

0–50 ft 16 50–100 ft 6 100–150 ft 17 150–200 ft 13 200–300 ft 73 300–400 ft 65 400–600 ft 115 600+ ft 52
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Part of San Juan 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.