New Haven County, CT

ZIP 06418

In ZIP 06418, 6 of the 12 things we check have at least one part graded D or F.

• Drinking water: Regional Water Authority has 3 contaminants at or over an EPA legal limit; 16 contaminants are above health goals, led by pfos at 5.7× California’s Public Health Goal.
• Nearest Superfund site: Beacon Heights Landfill, 7.6 miles away.
• Largest share of modeled toxic air from industry: Mott Metallurgical Corp (37%), mostly chromium compounds.
• Fine particles (PM2.5) average 6.5 µg/m³; the WHO guideline is 5 and the EPA annual standard is 9.
• About 25,447 kg of agricultural pesticides are applied in the county each year.

Grades for ZIP 06418

• Superfund sites nearbyD to F
• Factories and industrial sitesD
• Oil and gas wellsA
• Parks and nature nearbyD
• Air qualityA
• Drinking water qualityD to F
• Pesticide useC
• Neighborhood health statusC to D
• Past wildfire impactsA
• Past flood impactsC
• Noise levelsA to C
• Radiation signalsD

Based on 3 census tracts · compiled September 10, 2026 · how each grade works and its sources

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