Nassau County, NY

ZIP 11758

In ZIP 11758, 4 of the 12 things we check have at least one part graded D or F.

• Drinking water: South Farmingdale Wd has 1 contaminant at or over an EPA legal limit; 9 contaminants are above health goals, led by trichloroethylene at 3.2× California’s Public Health Goal.
• Nearest Superfund site: Action Anodizing, Plating, & Polishing Corp., 0.6 miles away (3 within 10 miles).
• Largest share of modeled toxic air from industry: Oerlikon Metco (US) Inc (75%), mostly chromium.
• Fine particles (PM2.5) average 8.1 µg/m³; the WHO guideline is 5 and the EPA annual standard is 9.
• About 167,580 kg of agricultural pesticides are applied in the county each year.

Grades for ZIP 11758

• Superfund sites nearbyF
• Factories and industrial sitesB to C
• Oil and gas wellsA
• Parks and nature nearbyB to C
• Air qualityB to D
• Drinking water qualityA to D
• Pesticide useA to B
• Neighborhood health statusA to C
• Past wildfire impactsA
• Past flood impactsC
• Noise levelsA to D
• Radiation signalsA

Based on 15 census tracts · compiled October 25, 2026 · how each grade works and its sources

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