Essex County, MA

ZIP 01833

In ZIP 01833, 3 of the 12 things we check have at least one part graded D or F.

• Drinking water: Rowley Water Department has 1 contaminant at or over an EPA legal limit; 14 contaminants are above health goals, led by arsenic at 392× California’s Public Health Goal.
• Nearest Superfund site: Groveland Wells, 3.1 miles away (3 within 10 miles).
• Largest share of modeled toxic air from industry: Union Specialties Inc (51%), mostly hydrazine.
• Fine particles (PM2.5) average 5.7 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 01833

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

Based on 2 census tracts · compiled September 10, 2026 · how each grade works and its sources

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