Suffolk County, MA

ZIP 02122

In ZIP 02122, 6 of the 12 things we check have at least one part graded D or F.

• Drinking water: Milton Water Dept. (Mwra) meets every EPA legal limit.
• Nearest Superfund site: Lower Neponset River, 1.9 miles away (3 within 10 miles).
• Largest share of modeled toxic air from industry: Tecomet (24%), mostly cobalt.
• Fine particles (PM2.5) average 6.7 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 02122

• Superfund sites nearbyD
• Factories and industrial sitesD to F
• Oil and gas wellsB
• Parks and nature nearbyD to F
• Air qualityA to B
• Drinking water qualityA
• Pesticide useA
• Neighborhood health statusB to D
• Past wildfire impactsA
• Past flood impactsC to D
• Noise levelsB to D
• Radiation signalsC

Based on 12 census tracts · compiled September 10, 2026 · how each grade works and its sources

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