Plymouth County, MA

ZIP 02050

In ZIP 02050, 1 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; 9 contaminants are above health goals, led by chloroform at 33× California’s Public Health Goal.
• Nearest Superfund site: Plymouth Harbor/cannon Engineering Corp., 8.1 miles away.
• Largest share of modeled toxic air from industry: Depuy Synthes A Johnson & Johnson Co (74%), mostly cobalt.
• Fine particles (PM2.5) average 5.2 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 02050

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

Based on 8 census tracts · compiled October 25, 2026 · how each grade works and its sources

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