Norfolk County, MA

ZIP 02026

In ZIP 02026, 7 of the 12 things we check have at least one part graded D or F.

• Drinking water: Needham Water Dept has 2 contaminants at or over an EPA legal limit; 11 contaminants are above health goals, led by pfos at 4.4× California’s Public Health Goal.
• Nearest Superfund site: Lower Neponset River, 5.3 miles away (3 within 10 miles).
• Largest share of modeled toxic air from industry: Certainteed LLC (43%), mostly chromium compounds.
• Fine particles (PM2.5) average 6.7 µg/m³; the WHO guideline is 5 and the EPA annual standard is 9.
• About 5,589 kg of agricultural pesticides are applied in the county each year.

Grades for ZIP 02026

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

Based on 6 census tracts · compiled September 10, 2026 · how each grade works and its sources

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