Hartford County, CT

ZIP 06040

In ZIP 06040, 7 of the 12 things we check have at least one part graded D or F.

• Drinking water: Ctwc - Redwood Farms Division meets every EPA legal limit; 8 contaminants are above health goals, led by lead at 42× California’s Public Health Goal.
• Nearest Superfund site: Precision Plating Corp., 5.5 miles away.
• Largest share of modeled toxic air from industry: Mott Metallurgical Corp (16%), mostly chromium.
• Fine particles (PM2.5) average 7.1 µg/m³; the WHO guideline is 5 and the EPA annual standard is 9.
• About 53,014 kg of agricultural pesticides are applied in the county each year.

Grades for ZIP 06040

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

Based on 11 census tracts · compiled September 10, 2026 · how each grade works and its sources

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