⟁ Washington Well Data field records · 2026 survey

Washington Well Data › King County › Bellevue (98006)

Bellevue, WA (98006): well depth, water level & drilling cost

✓ 66 Ecology records · King County

180 ftmedian well depth
108 ft–275 fttypical depth range
92 ftmedian static water level
8 gpmmedian yield (2 tests)

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How deep are wells in and around Bellevue (98006), Washington?

The median drilled well depth in and around Bellevue (98006) is 180 ft, based on 65 wells with recorded depths in the state Ecology database. Half fall between 108 ft and 275 ft; 90% are shallower than 320 ft.

How much does it cost to drill a well in and around Bellevue (98006)?

Applying published per-foot rates to the local median depth of 180 ft: drilling and casing alone typically runs $4,500–$11,700; a complete system including pump, pressure tank, and hookup typically runs $10,800–$18,000. Actual quotes depend on site access, geology, and casing requirements.

What is the static water level in and around Bellevue (98006)?

The median static water level is 92 ft below ground surface (middle half of wells: 77 ft–106 ft), from 2 measurements.

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Drilled depth distribution

0–50 ft 1 50–100 ft 12 100–150 ft 15 150–200 ft 11 200–300 ft 14 300–400 ft 9 400–600 ft 3 600+ ft 0
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Part of King 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.