Hamilton County, TN

ZIP 37409

In ZIP 37409, 8 of the 12 things we check have at least one part graded D or F.

• Drinking water: Walker County Water Authority has 2 contaminants at or over an EPA legal limit; 10 contaminants are above health goals, led by pfos at 10× California’s Public Health Goal.
• Nearest Superfund site: Tennessee Products, 0.6 miles away (3 within 10 miles).
• Largest share of modeled toxic air from industry: Heatec Inc. (63%), mostly chromium.
• Fine particles (PM2.5) average 8.6 µg/m³; the WHO guideline is 5 and the EPA annual standard is 9.
• About 7,466 kg of agricultural pesticides are applied in the county each year.

Grades for ZIP 37409

• Superfund sites nearbyD to F
• Factories and industrial sitesD to F
• Oil and gas wellsA
• Parks and nature nearbyC to D
• Air qualityB to D
• Drinking water qualityC to F
• Pesticide useB to D
• Neighborhood health statusD to F
• Past wildfire impactsA
• Past flood impactsA
• Noise levelsA
• Radiation signalsD

Based on 3 census tracts · compiled September 10, 2026 · how each grade works and its sources

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