Nassau County, NY

ZIP 11569

In ZIP 11569, 4 of the 12 things we check have at least one part graded D or F.

• Drinking water: Liberty Utilities New York - Merrick meets every EPA legal limit; 13 contaminants are above health goals, led by lead at 16× California’s Public Health Goal.
• Nearest Superfund site: Peninsula Boulevard Groundwater Plume, 8.1 miles away (3 within 10 miles).
• Largest share of modeled toxic air from industry: Oerlikon Metco (US) Inc (73%), mostly chromium.
• Fine particles (PM2.5) average 7.9 µg/m³; the WHO guideline is 5 and the EPA annual standard is 9.
• About 348 kg of agricultural pesticides are applied in the county each year.

Grades for ZIP 11569

• Superfund sites nearbyD
• Factories and industrial sitesA
• Oil and gas wellsA
• Parks and nature nearbyC
• Air qualityD
• Drinking water qualityC to D
• Pesticide useA
• Neighborhood health statusC
• Past wildfire impactsA
• Past flood impactsC
• Noise levelsD

Based on 1 census tract · compiled September 10, 2026 · how each grade works and its sources

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