Skagit County, WA

ZIP 98221

In ZIP 98221, 6 of the 12 things we check have at least one part graded D or F.

• Drinking water: Snee-Oosh Land Co meets every EPA legal limit; 3 contaminants are above health goals, led by lead at 33× California’s Public Health Goal.
• Nearest Superfund site: Naval Air Station, Whidbey Island (ault Field), 8.4 miles away (2 within 10 miles).
• Largest share of modeled toxic air from industry: Hf Sinclair Puget Sound Refining LLC (43%), mostly nickel compounds.
• Fine particles (PM2.5) average 4.6 µg/m³; the WHO guideline is 5 and the EPA annual standard is 9.
• About 609,556 kg of agricultural pesticides are applied in the county each year.

Grades for ZIP 98221

• Superfund sites nearbyA to D
• Factories and industrial sitesA to C
• Oil and gas wellsA to C
• Parks and nature nearbyB to D
• Air qualityA
• Drinking water qualityC to F
• Pesticide useD to F
• Neighborhood health statusC to F
• Past wildfire impactsA
• Past flood impactsA
• Noise levelsA to F
• Radiation signalsB

Based on 13 census tracts · compiled September 10, 2026 · how each grade works and its sources

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