Essex County, MA

ZIP 01929

In ZIP 01929, 2 of the 12 things we check have at least one part graded D or F.

• Drinking water: Hamilton Water Dept has 2 contaminants at or over an EPA legal limit; 10 contaminants are above health goals, led by pfos at 8.5× California’s Public Health Goal.
• Nearest Superfund site: Creese & Cook Tannery (former), 9.6 miles away.
• Largest share of modeled toxic air from industry: Tecomet (33%), mostly chromium.
• Fine particles (PM2.5) average 5.3 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 01929

• Superfund sites nearbyA
• Factories and industrial sitesB
• Oil and gas wellsA
• Parks and nature nearbyB
• Air qualityA
• Drinking water qualityC to F
• Pesticide useB
• Neighborhood health statusB
• Past wildfire impactsA
• Past flood impactsC
• Noise levelsA
• Radiation signalsD

Based on 1 census tract · compiled October 25, 2026 · how each grade works and its sources

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