Essex County, MA

ZIP 01940

In ZIP 01940, 7 of the 12 things we check have at least one part graded D or F.

• Drinking water: Wakefield Water Dept has 1 contaminant at or over an EPA legal limit; 13 contaminants are above health goals, led by nitrite at 2.2× https://pmc.ncbi.nlm.nih.gov/articles/PMC4535738/.
• Nearest Superfund site: Industri-Plex, 5.3 miles away (3 within 10 miles).
• Largest share of modeled toxic air from industry: Technical Manufacturing Corp (48%), mostly chromium.
• Fine particles (PM2.5) average 6.6 µg/m³; the WHO guideline is 5 and the EPA annual standard is 9.
• About 21,474 kg of agricultural pesticides are applied in the county each year.

Grades for ZIP 01940

• Superfund sites nearbyD to F
• Factories and industrial sitesD
• Oil and gas wellsA
• Parks and nature nearbyC to D
• Air qualityA
• Drinking water qualityA to F
• Pesticide useB to D
• Neighborhood health statusC
• Past wildfire impactsA
• Past flood impactsC
• Noise levelsA to D
• Radiation signalsD

Based on 3 census tracts · compiled September 10, 2026 · how each grade works and its sources

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