Hartford County, CT

ZIP 06042

In ZIP 06042, 6 of the 12 things we check have at least one part graded D or F.

• Drinking water: Manchester Water Department has 1 contaminant at or over an EPA legal limit; 10 contaminants are above health goals, led by pfos at 3.9× California’s Public Health Goal.
• Nearest Superfund site: Precision Plating Corp., 4.7 miles away.
• Largest share of modeled toxic air from industry: Paradigm Manchester Inc (67%), mostly chromium.
• Fine particles (PM2.5) average 6.8 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 06042

• Superfund sites nearbyC to D
• Factories and industrial sitesC to F
• Oil and gas wellsA
• Parks and nature nearbyB to C
• Air qualityB
• Drinking water qualityA to D
• Pesticide useC
• Neighborhood health statusA to D
• Past wildfire impactsA
• Past flood impactsC
• Noise levelsA to D
• Radiation signalsC to F

Based on 9 census tracts · compiled October 25, 2026 · how each grade works and its sources

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