Plymouth County, MA

ZIP 02339

In ZIP 02339, 3 of the 12 things we check have at least one part graded D or F.

• Drinking water: Norwell Water Department has 2 contaminants at or over an EPA legal limit; 12 contaminants are above health goals, led by chloroform at 35× California’s Public Health Goal.
• Nearest Superfund site: South Weymouth Naval Air Station, 5.7 miles away (2 within 10 miles).
• Largest share of modeled toxic air from industry: Depuy Synthes A Johnson & Johnson Co (57%), mostly cobalt.
• Fine particles (PM2.5) average 5.6 µg/m³; the WHO guideline is 5 and the EPA annual standard is 9.
• About 10,732 kg of agricultural pesticides are applied in the county each year.

Grades for ZIP 02339

• Superfund sites nearbyD
• Factories and industrial sitesC
• Oil and gas wellsA
• Parks and nature nearbyC
• Air qualityA
• Drinking water qualityD to F
• Pesticide useC to D
• Neighborhood health statusB to C
• Past wildfire impactsA
• Past flood impactsC
• Noise levelsA
• Radiation signalsC

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

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