Tolland County, CT

ZIP 06238

In ZIP 06238, 3 of the 12 things we check have at least one part graded D or F.

• Drinking water: Ctwc - Coventry Hills Div meets every EPA legal limit; 5 contaminants are above health goals, led by lead at 30× California’s Public Health Goal.
• Nearest Superfund site: Precision Plating Corp., 6.1 miles away.
• Largest share of modeled toxic air from industry: Mott Metallurgical Corp (28%), mostly chromium compounds.
• Fine particles (PM2.5) average 5.5 µg/m³; the WHO guideline is 5 and the EPA annual standard is 9.
• About 21,900 kg of agricultural pesticides are applied in the county each year.

Grades for ZIP 06238

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

Based on 2 census tracts · compiled October 25, 2026 · how each grade works and its sources

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