Hartford County, CT

ZIP 06059

In ZIP 06059, 3 of the 12 things we check have at least one part graded D or F.

• Drinking water: Aquarion-Simsbury Regional meets every EPA legal limit; 11 contaminants are above health goals, led by pfos at 2.4× California’s Public Health Goal.
• Nearest Superfund site: Barkhamsted-New Hartford Landfill, 4.8 miles away.
• Largest share of modeled toxic air from industry: Mott Metallurgical Corp (65%), mostly chromium compounds.
• Fine particles (PM2.5) average 5.9 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 06059

• Superfund sites nearbyD
• Factories and industrial sitesD
• Oil and gas wellsA
• Parks and nature nearbyC
• Air qualityA
• Drinking water qualityB to C
• Pesticide useC
• Neighborhood health statusC
• Past wildfire impactsA
• Past flood impactsC
• Noise levelsA
• Radiation signalsF

Based on 1 census tract · compiled October 25, 2026 · how each grade works and its sources

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