Worcester County, MA

ZIP 01564

In ZIP 01564, 4 of the 12 things we check have at least one part graded D or F.

• Drinking water: West Boylston Water District has 1 contaminant at or over an EPA legal limit; 11 contaminants are above health goals, led by thallium at 20× California’s Public Health Goal.
• Nearest Superfund site: Fort Devens, 9.1 miles away.
• Largest share of modeled toxic air from industry: Isomedix Operations Inc. (30%), mostly ethylene oxide.
• Fine particles (PM2.5) average 5.6 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 01564

• Superfund sites nearbyD
• Factories and industrial sitesB
• Oil and gas wellsA
• Parks and nature nearbyB
• Air qualityA
• Drinking water qualityD to F
• Pesticide useD
• Neighborhood health statusC
• Past wildfire impactsA
• Past flood impactsC
• Noise levelsC
• Radiation signalsF

Based on 1 census tract · compiled September 10, 2026 · how each grade works and its sources

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