Knox County, TN
ZIP 37922
In ZIP 37922, 9 of the 12 things we check have at least one part graded D or F.
- Drinking water: Lenoir City Utility Board has 2 contaminants at or over an EPA legal limit; 9 contaminants are above health goals, led by arsenic at 6,750× California’s Public Health Goal.
- Nearest Superfund site: Oak Ridge Reservation (usdoe), 9.3 miles away.
- Largest share of modeled toxic air from industry: Cmc Steel Tennessee (44%), mostly chromium compounds.
- Fine particles (PM2.5) average 8.0 µg/m³; the WHO guideline is 5 and the EPA annual standard is 9.
- About 17,901 kg of agricultural pesticides are applied in the county each year.
Grades for ZIP 37922
- Superfund sites nearbyA to D
- Factories and industrial sitesB to D
- Oil and gas wellsA to B
- Parks and nature nearbyC to D
- Air qualityC to D
- Drinking water qualityC to F
- Pesticide useB to D
- Neighborhood health statusB to D
- Past wildfire impactsA
- Past flood impactsB
- Noise levelsA to D
- Radiation signalsD to F
Based on 16 census tracts · compiled September 10, 2026 · how each grade works and its sources
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