Jefferson County, KY

ZIP 40216

In ZIP 40216, 10 of the 12 things we check have at least one part graded D or F.

• Drinking water: Hardin Co. Water Dist #1/Ft. Knox meets every EPA legal limit; 13 contaminants are above health goals, led by lead at 46× California’s Public Health Goal.
• Nearest Superfund site: Lee's Lane Landfill, 5.1 miles away (3 within 10 miles).
• Largest share of modeled toxic air from industry: O'Neal Manufacturing Services (54%), mostly chromium.
• Fine particles (PM2.5) average 9.1 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 40216

• Superfund sites nearbyA to D
• Factories and industrial sitesF
• Oil and gas wellsC to D
• Parks and nature nearbyC to F
• Air qualityD to F
• Drinking water qualityD to F
• Pesticide useB to D
• Neighborhood health statusD to F
• Past wildfire impactsA
• Past flood impactsA
• Noise levelsA to D
• Radiation signalsC to D

Based on 20 census tracts · compiled September 10, 2026 · how each grade works and its sources

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