Snohomish County, WA

ZIP 98292

In ZIP 98292, 5 of the 12 things we check have at least one part graded D or F.

• Drinking water: Silver Springs Estates Comm Assn meets every EPA legal limit; 8 contaminants are above health goals, led by lead at 33× California’s Public Health Goal.
• Nearest Superfund site: Tulalip Landfill, 5.3 miles away.
• Largest share of modeled toxic air from industry: Granite Construction Co (42%), mostly polycyclic aromatic compounds.
• Fine particles (PM2.5) average 5.5 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 98292

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

Based on 9 census tracts · compiled September 10, 2026 · how each grade works and its sources

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