Williamson County, TN

ZIP 37014

In ZIP 37014, 5 of the 12 things we check have at least one part graded D or F.

• Drinking water: Maury Co Water System has 2 contaminants at or over an EPA legal limit; 8 contaminants are above health goals, led by pfos at 4.1× 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: Marelli N.A. Inc. - Shelbyville (77%), mostly chromium.
• Fine particles (PM2.5) average 7.5 µg/m³; the WHO guideline is 5 and the EPA annual standard is 9.
• About 27,822 kg of agricultural pesticides are applied in the county each year.

Grades for ZIP 37014

• Superfund sites nearbyA
• Factories and industrial sitesB to C
• Oil and gas wellsC to D
• Parks and nature nearbyC
• Air qualityB to C
• Drinking water qualityC to F
• Pesticide useD
• Neighborhood health statusC to D
• Past wildfire impactsA
• Past flood impactsA
• Noise levelsA
• Radiation signalsD

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

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