Norfolk County, MA

ZIP 02090

In ZIP 02090, 8 of the 12 things we check have at least one part graded D or F.

• Drinking water: Walpole Water Dept meets every EPA legal limit; 12 contaminants are above health goals, led by pfos at 3.7× California’s Public Health Goal.
• Nearest Superfund site: Norwood Pcbs, 1.3 miles away (3 within 10 miles).
• Largest share of modeled toxic air from industry: Certainteed LLC (70%), mostly chromium compounds.
• Fine particles (PM2.5) average 6.3 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 02090

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

Based on 4 census tracts · compiled September 10, 2026 · how each grade works and its sources

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