Fairfield County, CT

ZIP 06905

In ZIP 06905, 4 of the 12 things we check have at least one part graded D or F.

• Drinking water: Aquarion-Eastern Fairfield County has 2 contaminants at or over an EPA legal limit; 11 contaminants are above health goals, led by pfos at 6.2× California’s Public Health Goal.
• Nearest Superfund site: Kellogg-Deering Well Field, 6.1 miles away.
• Largest share of modeled toxic air from industry: Colors & Effects USA LLC - Peekskill Facility (69%), mostly chromium compounds.
• Fine particles (PM2.5) average 7.5 µg/m³; the WHO guideline is 5 and the EPA annual standard is 9.
• About 7,578 kg of agricultural pesticides are applied in the county each year.

Grades for ZIP 06905

• Superfund sites nearbyA to D
• Factories and industrial sitesB to C
• Oil and gas wellsA
• Parks and nature nearbyD to F
• Air qualityA to C
• Drinking water qualityF
• Pesticide useC
• Neighborhood health statusA to B
• Past wildfire impactsA
• Past flood impactsC
• Noise levelsA to D

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

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