Knox County, TN

ZIP 37922

In ZIP 37922, 7 of the 12 things we check have at least one part graded D or F.

• Drinking water: Lenoir City Utility Board meets every EPA legal limit; 5 contaminants are above health goals, led by pfos at 2.6× 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 C
• Oil and gas wellsA to B
• Parks and nature nearbyB to D
• Air qualityC to D
• Drinking water qualityB to C
• Pesticide useA to D
• Neighborhood health statusB to D
• Past wildfire impactsA
• Past flood impactsB
• Noise levelsA to D
• Radiation signalsF

Based on 16 census tracts · compiled October 25, 2026 · how each grade works and its sources

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