⟁ Washington Well Data field records · 2026 survey

Washington Well Data › Snohomish County › ZIP 98290

ZIP 98290, Snohomish County: well depth, water level & drilling cost

✓ 524 Ecology records · Snohomish County

121 ftmedian well depth
74 ft–208 fttypical depth range
62 ftmedian static water level
15 gpmmedian yield (173 tests)

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How deep are wells in ZIP 98290, Washington?

The median drilled well depth in ZIP 98290 is 121 ft, based on 524 wells with recorded depths in the state Ecology database. Half fall between 74 ft and 208 ft; 90% are shallower than 290 ft.

How much does it cost to drill a well in ZIP 98290?

Applying published per-foot rates to the local median depth of 140 ft: drilling and casing alone typically runs $3,500–$9,100; a complete system including pump, pressure tank, and hookup typically runs $8,400–$14,000. Actual quotes depend on site access, geology, and casing requirements.

What is the static water level in ZIP 98290?

The median static water level is 62 ft below ground surface (middle half of wells: 25 ft–114 ft), from 171 measurements.

Bad well water in Snohomish County?

Iron staining, rotten-egg smell, hard water, or a failed test at closing — Salish Water Works, a new Puget Sound company, publishes its treatment systems and planned prices up front and specs the fix from your water test. No in-home sales visit. Installation opens Fall 2026; the waitlist is open now and waitlist members get first slot priority.

See planned systems & pricing → salishwaterworks.com

Drilled depth distribution

0–50 ft 56 50–100 ft 153 100–150 ft 96 150–200 ft 74 200–300 ft 97 300–400 ft 30 400–600 ft 17 600+ ft 1
Looking at a specific property in ZIP 98290?

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Get quotes from drillers who work in ZIP 98290

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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.