Roane County, TN

ZIP 37763

In ZIP 37763, 6 of the 12 things we check have at least one part graded D or F.

• Drinking water: Loudon Utilities Board meets every EPA legal limit; 9 contaminants are above health goals, led by arsenic at 338× California’s Public Health Goal.
• Nearest Superfund site: Oak Ridge Reservation (usdoe), 7.0 miles away (2 within 10 miles).
• Largest share of modeled toxic air from industry: U.S. Tva Kingston Fossil Plant (44%), mostly chromium compounds.
• Fine particles (PM2.5) average 7.1 µg/m³; the WHO guideline is 5 and the EPA annual standard is 9.
• About 4,342 kg of agricultural pesticides are applied in the county each year.

Grades for ZIP 37763

• Superfund sites nearbyA to F
• Factories and industrial sitesB to C
• Oil and gas wellsA to B
• Parks and nature nearbyC to D
• Air qualityB
• Drinking water qualityB to D
• Pesticide useC to D
• Neighborhood health statusD to F
• Past wildfire impactsA
• Past flood impactsA
• Noise levelsA
• Radiation signalsD

Based on 7 census tracts · compiled September 10, 2026 · how each grade works and its sources

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