Windham County, CT

ZIP 06239

In ZIP 06239, 7 of the 12 things we check have at least one part graded D or F.

• Drinking water: Putnam Water Pollution Control Authority has 2 contaminants at or over an EPA legal limit; 17 contaminants are above health goals, led by pfos at 7.5× California’s Public Health Goal.
• Nearest Superfund site: Revere Textile Prints Corp., 2.6 miles away (3 within 10 miles).
• Largest share of modeled toxic air from industry: Pcc Structurals (53%), mostly cobalt.
• Fine particles (PM2.5) average 5.4 µg/m³; the WHO guideline is 5 and the EPA annual standard is 9.
• About 28,025 kg of agricultural pesticides are applied in the county each year.

Grades for ZIP 06239

• Superfund sites nearbyA to D
• Factories and industrial sitesB
• Oil and gas wellsA
• Parks and nature nearbyC
• Air qualityA
• Drinking water qualityC to F
• Pesticide useD
• Neighborhood health statusC to D
• Past wildfire impactsA
• Past flood impactsC to F
• Noise levelsA to D
• Radiation signalsC to F

Based on 6 census tracts · compiled September 10, 2026 · how each grade works and its sources

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