Middlesex County, MA

ZIP 01432

In ZIP 01432, 5 of the 12 things we check have at least one part graded D or F.

• Drinking water: Littleton Water Department has 2 contaminants at or over an EPA legal limit; 12 contaminants are above health goals, led by pfos at 3.8× California’s Public Health Goal.
• Nearest Superfund site: Fort Devens, 3.8 miles away.
• Largest share of modeled toxic air from industry: Tecomet (26%), mostly chromium.
• Fine particles (PM2.5) average 6.1 µg/m³; the WHO guideline is 5 and the EPA annual standard is 9.
• About 34,462 kg of agricultural pesticides are applied in the county each year.

Grades for ZIP 01432

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

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

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