Jefferson County, KY

ZIP 40217

In ZIP 40217, 5 of the 12 things we check have at least one part graded D or F.

• Drinking water: Louisville Water Company meets every EPA legal limit; 6 contaminants are above health goals, led by pfoa at 414× California’s Public Health Goal.
• Nearest Superfund site: A.l. Taylor (valley of Drums), 8.3 miles away (2 within 10 miles).
• Largest share of modeled toxic air from industry: O'Neal Manufacturing Services (49%), mostly chromium.
• Fine particles (PM2.5) average 9.2 µg/m³; the WHO guideline is 5 and the EPA annual standard is 9.
• About 8,583 kg of agricultural pesticides are applied in the county each year.

Grades for ZIP 40217

• Superfund sites nearbyA
• Factories and industrial sitesD to F
• Oil and gas wellsB
• Parks and nature nearbyC
• Air qualityF
• Drinking water qualityC
• Pesticide useA to C
• Neighborhood health statusA to F
• Past wildfire impactsA
• Past flood impactsA
• Noise levelsA to D
• Radiation signalsD to F

Based on 9 census tracts · compiled October 25, 2026 · how each grade works and its sources

Loading the full report, with every source…