Knox County, TN

ZIP 37912

In ZIP 37912, 7 of the 12 things we check have at least one part graded D or F.

• Drinking water: Knoxville Utilities Board - Kub meets every EPA legal limit; 7 contaminants are above health goals, led by tthm at 44× Peer-Reviewed Research.
• Nearest Superfund site: Smokey Mountain Smelters, 6.0 miles away.
• Largest share of modeled toxic air from industry: Cmc Steel Tennessee (96%), mostly chromium compounds.
• Fine particles (PM2.5) average 7.5 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 37912

• Superfund sites nearbyA to D
• Factories and industrial sitesC to F
• Oil and gas wellsB
• Parks and nature nearbyD to F
• Air qualityC
• Drinking water qualityC
• Pesticide useB to D
• 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 September 10, 2026 · how each grade works and its sources

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