Plymouth County, MA

ZIP 02066

In ZIP 02066, 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; 9 contaminants are above health goals, led by chloroform at 33× California’s Public Health Goal.
• Nearest Superfund site: South Weymouth Naval Air Station, 8.9 miles away.
• Largest share of modeled toxic air from industry: Depuy Synthes A Johnson & Johnson Co (54%), mostly cobalt.
• Fine particles (PM2.5) average 5.4 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 02066

• Superfund sites nearbyA to C
• 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 to D
• Noise levelsA to D
• Radiation signalsB

Based on 5 census tracts · compiled October 25, 2026 · how each grade works and its sources

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