Litchfield County, CT

ZIP 06757

In ZIP 06757, 3 of the 12 things we check have at least one part graded D or F.

• Drinking water: Aquarion-Kent meets every EPA legal limit; 7 contaminants are above health goals, led by bromodichloromethane at 69× California’s Public Health Goal.
• Nearest Superfund site: Sarney Farm, 6.4 miles away.
• Largest share of modeled toxic air from industry: Mott Metallurgical Corp (79%), mostly chromium compounds.
• Fine particles (PM2.5) average 6.3 µg/m³; the WHO guideline is 5 and the EPA annual standard is 9.
• About 27,681 kg of agricultural pesticides are applied in the county each year.

Grades for ZIP 06757

• Superfund sites nearbyF
• Factories and industrial sitesA
• Oil and gas wellsA
• Parks and nature nearbyB
• Air qualityA
• Drinking water qualityA to C
• Pesticide useC
• Neighborhood health statusD
• Past wildfire impactsA
• Past flood impactsC
• Noise levelsA
• Radiation signalsD

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

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