Jefferson County, KY

ZIP 40212

In ZIP 40212, 7 of the 12 things we check have at least one part graded D or F.

• Drinking water: Indiana American Water - S. Indiana meets every EPA legal limit; 11 contaminants are above health goals, led by pfos at 3.3× California’s Public Health Goal.
• Nearest Superfund site: Lee's Lane Landfill, 6.9 miles away.
• Largest share of modeled toxic air from industry: Monument Chemical Kentucky LLC (30%), mostly chromium.
• Fine particles (PM2.5) average 9.3 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 40212

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

Based on 11 census tracts · compiled September 10, 2026 · how each grade works and its sources

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