Nassau County, NY

ZIP 11804

In ZIP 11804, 4 of the 12 things we check have at least one part graded D or F.

• Drinking water: Plainview Wd has 2 contaminants at or over an EPA legal limit; 22 contaminants are above health goals, led by tetrachloroethylene at 120× California’s Public Health Goal.
• Nearest Superfund site: Old Bethpage Landfill, 0.5 miles away (3 within 10 miles).
• Largest share of modeled toxic air from industry: Oerlikon Metco (US) Inc (84%), mostly chromium.
• Fine particles (PM2.5) average 8.2 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 11804

• Superfund sites nearbyF
• Factories and industrial sitesB
• Oil and gas wellsA
• Parks and nature nearbyD
• Air qualityD
• Drinking water qualityC to D
• Pesticide useA
• Neighborhood health statusB
• Past wildfire impactsA
• Past flood impactsC
• Noise levelsA
• Radiation signalsB

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

Loading the full report, with every source…