Middlesex County, CT

ZIP 06422

In ZIP 06422, 1 of the 12 things we check have at least one part graded D or F.

• Drinking water: Twin Maples Nursing Home meets every EPA legal limit; 11 contaminants are above health goals, led by arsenic at 375× California’s Public Health Goal.
• Nearest Superfund site: Durham Meadows, 1.4 miles away.
• Largest share of modeled toxic air from industry: Ametek Specialty Metal Products Div (23%), mostly chromium compounds.
• Fine particles (PM2.5) average 6.0 µg/m³; the WHO guideline is 5 and the EPA annual standard is 9.
• About 9,046 kg of agricultural pesticides are applied in the county each year.

Grades for ZIP 06422

• Superfund sites nearbyF
• Factories and industrial sitesC
• Oil and gas wellsA
• Parks and nature nearbyC
• Air qualityA
• Drinking water qualityA to C
• Pesticide useC
• Neighborhood health statusB
• Past wildfire impactsA
• Past flood impactsC
• Noise levelsA

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

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