Marion County, TN
ZIP 37405
In ZIP 37405, 8 of the 12 things we check have at least one part graded D or F.
- Drinking water: Tn American Sequatchie Valley meets every EPA legal limit; 5 contaminants are above health goals, led by tthm at 42× Peer-Reviewed Research.
- Nearest Superfund site: Amnicola Dump, 5.2 miles away (3 within 10 miles).
- Largest share of modeled toxic air from industry: Signal Mountain Cement Co Dba Buzzi Unicem USA (54%), 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 13,286 kg of agricultural pesticides are applied in the county each year.
Grades for ZIP 37405
- Superfund sites nearbyC to D
- Factories and industrial sitesC to F
- Oil and gas wellsA to C
- Parks and nature nearbyC to D
- Air qualityB to D
- Drinking water qualityB to C
- Pesticide useB to F
- Neighborhood health statusB to F
- Past wildfire impactsA
- Past flood impactsA
- Noise levelsA to D
- Radiation signalsC to D
Based on 11 census tracts · compiled September 10, 2026 · how each grade works and its sources
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