Knox County, TN

ZIP 37919

In ZIP 37919, 7 of the 12 things we check have at least one part graded D or F.

• Drinking water: First U.d. Of Knox County meets every EPA legal limit; 6 contaminants are above health goals, led by tthm at 42× Peer-Reviewed Research.
• Nearest Superfund site: Smokey Mountain Smelters, 2.8 miles away.
• Largest share of modeled toxic air from industry: Rohm & Haas Chemicals LLC - Knoxville Site (54%), mostly acrylonitrile.
• Fine particles (PM2.5) average 8.7 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 37919

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

Based on 11 census tracts · compiled September 10, 2026 · how each grade works and its sources

Loading the full report, with every source…