Hartford County, CT

ZIP 06118

In ZIP 06118, 7 of the 12 things we check have at least one part graded D or F.

• Drinking water: Manchester Water Department has 3 contaminants at or over an EPA legal limit; 17 contaminants are above health goals, led by pfos at 9.6× California’s Public Health Goal.
• Nearest Superfund site: Precision Plating Corp., 9.5 miles away.
• Largest share of modeled toxic air from industry: Pratt & Whitney (17%), mostly cobalt.
• Fine particles (PM2.5) average 7.2 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 06118

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

Based on 7 census tracts · compiled September 10, 2026 · how each grade works and its sources

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