Nassau County, NY

ZIP 11020

In ZIP 11020, 5 of the 12 things we check have at least one part graded D or F.

• Drinking water: Wa Of Great Neck North has 1 contaminant at or over an EPA legal limit; 13 contaminants are above health goals, led by 1,2-dibromo-3-chloropropane at 5,000× California’s Public Health Goal.
• Nearest Superfund site: Stanton Cleaners Area Ground Water Contamination, 1.8 miles away (3 within 10 miles).
• Largest share of modeled toxic air from industry: Eto Sterilization (65%), mostly ethylene oxide.
• 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 11020

• Superfund sites nearbyF
• Factories and industrial sitesC to D
• Oil and gas wellsA
• Parks and nature nearbyC
• Air qualityD
• Drinking water qualityC to F
• Pesticide useA
• Neighborhood health statusA to B
• Past wildfire impactsA
• Past flood impactsC
• Noise levelsA to D
• Radiation signalsA

Based on 3 census tracts · compiled October 25, 2026 · how each grade works and its sources

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