Grand Isle County, VT

ZIP 05463

In ZIP 05463, 1 of the 12 things we check have at least one part graded D or F.

• Drinking water: North Hero Water System meets every EPA legal limit; 7 contaminants are above health goals, led by pfoa at 143× California’s Public Health Goal.
• Closer to Superfund sites than 0% of U.S. neighborhoods, with no listed site within 10 miles of its center.
• Largest share of modeled toxic air from industry: Globalfoundries U.S. 2 LLC - Vermont Facility (86%), mostly sulfuric acid.
• Fine particles (PM2.5) average 6.0 µg/m³; the WHO guideline is 5 and the EPA annual standard is 9.
• About 8,584 kg of agricultural pesticides are applied in the county each year.

Grades for ZIP 05463

• Superfund sites nearbyA
• Factories and industrial sitesA
• Oil and gas wellsA
• Parks and nature nearbyC
• Air qualityA
• Drinking water qualityC
• Pesticide useF
• Neighborhood health statusC
• Past wildfire impactsA
• Past flood impactsB
• Noise levelsA
• Radiation signalsC

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

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