Hamilton County, TN

ZIP 37403

In ZIP 37403, 8 of the 12 things we check have at least one part graded D or F.

• Drinking water: Tennessee American Water meets every EPA legal limit; 6 contaminants are above health goals, led by tthm at 48× Peer-Reviewed Research.
• Nearest Superfund site: Amnicola Dump, 1.7 miles away (3 within 10 miles).
• Largest share of modeled toxic air from industry: Lamberti Synthesis USA Inc (40%), mostly ethylene oxide.
• Fine particles (PM2.5) average 8.8 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 37403

• Superfund sites nearbyF
• Factories and industrial sitesF
• Oil and gas wellsA to C
• Parks and nature nearbyD
• Air qualityD to F
• Drinking water qualityC
• Pesticide useB to D
• Neighborhood health statusB to F
• Past wildfire impactsA
• Past flood impactsA
• Noise levelsB to D
• Radiation signalsD

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

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