Fayette County, KY
ZIP 40509
In ZIP 40509, 7 of the 12 things we check have at least one part graded D or F.
- Drinking water: Nicholasville Water Department meets every EPA legal limit; 6 contaminants are above health goals, led by tthm at 56× Peer-Reviewed Research.
- 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: Prestress Services Industries Llc-Lexington Branch (27%), mostly chromium compounds.
- Fine particles (PM2.5) average 8.3 µg/m³; the WHO guideline is 5 and the EPA annual standard is 9.
- About 34,140 kg of agricultural pesticides are applied in the county each year.
Grades for ZIP 40509
- Superfund sites nearbyA
- Factories and industrial sitesC
- Oil and gas wellsA to B
- Parks and nature nearbyC to D
- Air qualityB to D
- Drinking water qualityB to C
- Pesticide useB to D
- Neighborhood health statusA to D
- Past wildfire impactsA
- Past flood impactsA to F
- Noise levelsA to D
- Radiation signalsD to F
Based on 16 census tracts · compiled October 25, 2026 · how each grade works and its sources
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