Suffolk County, MA

ZIP 02151

In ZIP 02151, 5 of the 12 things we check have at least one part graded D or F.

• Drinking water: Winthrop Water Division, (Mwra) meets every EPA legal limit; 1 contaminant is above health goals, led by chromium-6 at 1.4× California’s Public Health Goal.
• Nearest Superfund site: Salem Acres, 6.4 miles away (3 within 10 miles).
• Largest share of modeled toxic air from industry: Ge Aviation (27%), mostly chromium.
• Fine particles (PM2.5) average 7.1 µg/m³; the WHO guideline is 5 and the EPA annual standard is 9.
• About 1 kg of agricultural pesticides are applied in the county each year.

Grades for ZIP 02151

• Superfund sites nearbyA to D
• Factories and industrial sitesD to F
• Oil and gas wellsA
• Parks and nature nearbyB to C
• Air qualityA to B
• Drinking water qualityA
• Pesticide useA
• Neighborhood health statusA to F
• Past wildfire impactsA
• Past flood impactsC to D
• Noise levelsA to D
• Radiation signalsA

Based on 15 census tracts · compiled October 25, 2026 · how each grade works and its sources

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