Washington Well Data field records · 2026 survey

Washington Well DataSnohomish County › Snohomish (98290)

Snohomish, WA (98290): well depth, water level & drilling cost

✓ 420 Ecology records · Snohomish County

133 ftmedian well depth
75 ft–221 fttypical depth range
64 ftmedian static water level
15 gpmmedian yield (172 tests)

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How deep are wells in Snohomish (98290), Washington?

The median drilled well depth in Snohomish (98290) is 133 ft, based on 420 wells with recorded depths in the state Ecology database. Half fall between 75 ft and 221 ft; 90% are shallower than 305 ft.

How much does it cost to drill a well in Snohomish (98290)?

Applying published per-foot rates to the local median depth of 133 ft: drilling and casing alone typically runs $3,325–$8,645; a complete system including pump, pressure tank, and hookup typically runs $7,980–$13,300. Actual quotes depend on site access, geology, and casing requirements.

What is the static water level in Snohomish (98290)?

The median static water level is 64 ft below ground surface (middle half of wells: 25 ft–115 ft), from 168 measurements.

Bad well water in Snohomish County?

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Drilled depth distribution

0–50 ft 39 50–100 ft 120 100–150 ft 76 150–200 ft 56 200–300 ft 83 300–400 ft 29 400–600 ft 16 600+ ft 1
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Part of Snohomish 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.