Jefferson County, KY

ZIP 40229

In ZIP 40229, 8 of the 12 things we check have at least one part graded D or F.

• Drinking water: Taylorsville Water Works meets every EPA legal limit; 3 contaminants are above health goals, led by pfoa at 543× California’s Public Health Goal.
• Nearest Superfund site: Smith's Farm, 1.5 miles away (3 within 10 miles).
• Largest share of modeled toxic air from industry: Monument Chemical Kentucky LLC (50%), mostly ethylene oxide.
• Fine particles (PM2.5) average 9.1 µg/m³; the WHO guideline is 5 and the EPA annual standard is 9.
• About 13,854 kg of agricultural pesticides are applied in the county each year.

Grades for ZIP 40229

• Superfund sites nearbyC to F
• Factories and industrial sitesC to D
• Oil and gas wellsA to B
• Parks and nature nearbyB to D
• Air qualityC to F
• Drinking water qualityC
• Pesticide useA to D
• Neighborhood health statusB to F
• Past wildfire impactsA
• Past flood impactsA
• Noise levelsA to D
• Radiation signalsF

Based on 15 census tracts · compiled October 25, 2026 · how each grade works and its sources

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