Norfolk County, MA

ZIP 02025

In ZIP 02025, 3 of the 12 things we check have at least one part graded D or F.

• Drinking water: Weir River Water System has 1 contaminant at or over an EPA legal limit; 10 contaminants are above health goals, led by chloroform at 75× California’s Public Health Goal.
• Nearest Superfund site: South Weymouth Naval Air Station, 8.8 miles away.
• Largest share of modeled toxic air from industry: Tecomet (32%), mostly cobalt.
• Fine particles (PM2.5) average 5.4 µg/m³; the WHO guideline is 5 and the EPA annual standard is 9.
• About 5,589 kg of agricultural pesticides are applied in the county each year.

Grades for ZIP 02025

• Superfund sites nearbyA to C
• Factories and industrial sitesC
• Oil and gas wellsA
• Parks and nature nearbyB
• Air qualityA
• Drinking water qualityC to F
• Pesticide useA to B
• Neighborhood health statusB
• Past wildfire impactsA
• Past flood impactsD
• Noise levelsB to D
• Radiation signalsB

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

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