Hartford County, CT

ZIP 06105

In ZIP 06105, 3 of the 12 things we check have at least one part graded D or F.

• Drinking water: Metropolitan District Commission meets every EPA legal limit; 6 contaminants are above health goals, led by chloroform at 88× California’s Public Health Goal.
• Closer to Superfund sites than 0% of U.S. neighborhoods, with no listed site within 10 miles of its center.
• Largest share of modeled toxic air from industry: Assa Abloy Access & Egress Hardware Group - Corbin Russwin (38%), mostly chromium compounds.
• Fine particles (PM2.5) average 7.3 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 06105

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

Based on 12 census tracts · compiled October 25, 2026 · how each grade works and its sources

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