Worcester County, MA

ZIP 01536

In ZIP 01536, 3 of the 12 things we check have at least one part graded D or F.

• Drinking water: Aquarion Water Company, Millbury has 1 contaminant at or over an EPA legal limit; 9 contaminants are above health goals, led by arsenic at 646× California’s Public Health Goal.
• Nearest Superfund site: Hocomonco Pond, 3.3 miles away.
• Largest share of modeled toxic air from industry: Isomedix Operations Inc. (37%), mostly ethylene oxide.
• Fine particles (PM2.5) average 6.1 µg/m³; the WHO guideline is 5 and the EPA annual standard is 9.
• About 90,069 kg of agricultural pesticides are applied in the county each year.

Grades for ZIP 01536

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

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

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