Litchfield County, CT

ZIP 06779

In ZIP 06779, 5 of the 12 things we check have at least one part graded D or F.

• Drinking water: Waterbury Water Department meets every EPA legal limit; 21 contaminants are above health goals, led by 1,2,4-trichlorobenzene at 4.9× California’s Public Health Goal.
• Nearest Superfund site: Nutmeg Valley Road, 5.1 miles away (3 within 10 miles).
• Largest share of modeled toxic air from industry: Mott Metallurgical Corp (35%), mostly chromium compounds.
• Fine particles (PM2.5) average 6.7 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 06779

• Superfund sites nearbyD
• Factories and industrial sitesC
• Oil and gas wellsA
• Parks and nature nearbyD to F
• Air qualityB
• Drinking water qualityD to F
• Pesticide useD
• Neighborhood health statusC
• Past wildfire impactsA
• Past flood impactsC
• Noise levelsA
• Radiation signalsF

Based on 2 census tracts · compiled September 10, 2026 · how each grade works and its sources

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