Sevier County, TN

ZIP 37865

In ZIP 37865, 5 of the 12 things we check have at least one part graded D or F.

• Drinking water: Knox-Chapman Utility District meets every EPA legal limit; 7 contaminants are above health goals, led by arsenic at 263× California’s Public Health Goal.
• Nearest Superfund site: Smokey Mountain Smelters, 7.7 miles away.
• Largest share of modeled toxic air from industry: Lisega Inc (37%), mostly nickel.
• Fine particles (PM2.5) average 6.9 µg/m³; the WHO guideline is 5 and the EPA annual standard is 9.
• About 9,309 kg of agricultural pesticides are applied in the county each year.

Grades for ZIP 37865

• Superfund sites nearbyA to C
• Factories and industrial sitesB to C
• Oil and gas wellsA to B
• Parks and nature nearbyC to D
• Air qualityA to B
• Drinking water qualityA to D
• Pesticide useC to D
• Neighborhood health statusD to F
• Past wildfire impactsA
• Past flood impactsB
• Noise levelsA
• Radiation signalsD to F

Based on 9 census tracts · compiled September 10, 2026 · how each grade works and its sources

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