New Haven County, CT

ZIP 06488

In ZIP 06488, 5 of the 12 things we check have at least one part graded D or F.

• Drinking water: Southbury Training School meets every EPA legal limit; 8 contaminants are above health goals, led by lead at 32× California’s Public Health Goal.
• Nearest Superfund site: Laurel Park, Inc., 7.2 miles away (2 within 10 miles).
• Largest share of modeled toxic air from industry: Mott Metallurgical Corp (44%), mostly chromium compounds.
• Fine particles (PM2.5) average 6.2 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 06488

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

Based on 6 census tracts · compiled September 10, 2026 · how each grade works and its sources

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