Knox County, TN
ZIP 37914
In ZIP 37914, 7 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; 6 contaminants are above health goals, led by arsenic at 263× California’s Public Health Goal.
- Nearest Superfund site: Smokey Mountain Smelters, 4.4 miles away.
- Largest share of modeled toxic air from industry: Lisega Inc (38%), mostly chromium.
- Fine particles (PM2.5) average 8.1 µg/m³; the WHO guideline is 5 and the EPA annual standard is 9.
- About 9,097 kg of agricultural pesticides are applied in the county each year.
Grades for ZIP 37914
- Superfund sites nearbyA to D
- Factories and industrial sitesD to F
- Oil and gas wellsA
- Parks and nature nearbyB to D
- Air qualityB to D
- Drinking water qualityB to C
- Pesticide useA to C
- Neighborhood health statusD to F
- Past wildfire impactsA
- Past flood impactsB
- Noise levelsA to D
- Radiation signalsD to F
Based on 10 census tracts · compiled October 25, 2026 · how each grade works and its sources
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