Union County, TN

ZIP 37807

In ZIP 37807, 4 of the 12 things we check have at least one part graded D or F.

• Drinking water: Northeast Knox U.d. meets every EPA legal limit; 9 contaminants are above health goals, led by arsenic at 275× California’s Public Health Goal.
• Closer to Superfund sites than 0% of U.S. neighborhoods, with no listed site within 10 miles of its center.
• Largest share of modeled toxic air from industry: Royal Sterilization Systems (97%), mostly ethylene oxide.
• Fine particles (PM2.5) average 6.9 µg/m³; the WHO guideline is 5 and the EPA annual standard is 9.
• About 5,336 kg of agricultural pesticides are applied in the county each year.

Grades for ZIP 37807

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

Based on 4 census tracts · compiled September 10, 2026 · how each grade works and its sources

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