Marion County, TN

ZIP 37397

In ZIP 37397, 2 of the 12 things we check have at least one part graded D or F.

• Drinking water: Cagle-Fredonia U.d. meets every EPA legal limit; 2 contaminants are above health goals, led by tthm at 40× Peer-Reviewed Research.
• Closer to Superfund sites than 54% of U.S. neighborhoods, with no listed site within 10 miles of its center.
• Largest share of modeled toxic air from industry: Tennessee Alloys Co (66%), mostly polycyclic aromatic compounds.
• Fine particles (PM2.5) average 6.7 µg/m³; the WHO guideline is 5 and the EPA annual standard is 9.
• About 5,087 kg of agricultural pesticides are applied in the county each year.

Grades for ZIP 37397

• Superfund sites nearbyA to C
• Factories and industrial sitesA to C
• Oil and gas wellsA to C
• Parks and nature nearbyC
• Air qualityA to B
• Drinking water qualityB to C
• Pesticide useD to F
• Neighborhood health statusF
• Past wildfire impactsA
• Past flood impactsA
• Noise levelsA
• Radiation signalsB to C

Based on 5 census tracts · compiled September 10, 2026 · how each grade works and its sources

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