Island County, WA

ZIP 98239

In ZIP 98239, 4 of the 12 things we check have at least one part graded D or F.

• Drinking water: Widarama Beach Water Rights Assn. has 1 contaminant at or over an EPA legal limit; 10 contaminants are above health goals, led by pfos at 6.3× California’s Public Health Goal.
• Nearest Superfund site: Naval Air Station, Whidbey Island (seaplane Base), 6.4 miles away (2 within 10 miles).
• Largest share of modeled toxic air from industry: Hf Sinclair Puget Sound Refining LLC (23%), mostly 1-bromopropane.
• Fine particles (PM2.5) average 5.4 µg/m³; the WHO guideline is 5 and the EPA annual standard is 9.
• About 9,179 kg of agricultural pesticides are applied in the county each year.

Grades for ZIP 98239

• Superfund sites nearbyA to D
• Factories and industrial sitesA
• Oil and gas wellsA to B
• Parks and nature nearbyC
• Air qualityA
• Drinking water qualityC to F
• Pesticide useC to D
• Neighborhood health statusD
• Past wildfire impactsA
• Past flood impactsA
• Noise levelsA

Based on 4 census tracts · compiled September 10, 2026 · how each grade works and its sources

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