Henderson County, KY

ZIP 42451

In ZIP 42451, 8 of the 12 things we check have at least one part graded D or F.

• Drinking water: Henderson County Water District meets every EPA legal limit; 8 contaminants are above health goals, led by lead at 10× California’s Public Health Goal.
• Nearest Superfund site: Jacobsville Neighborhood Soil Contamination, 6.1 miles away.
• Largest share of modeled toxic air from industry: Kaiser Aluminum Warrick (99%), 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 192,930 kg of agricultural pesticides are applied in the county each year.

Grades for ZIP 42451

• Superfund sites nearbyA to C
• Factories and industrial sitesC to D
• Oil and gas wellsF
• Parks and nature nearbyC to D
• Air qualityC to D
• Drinking water qualityC to D
• Pesticide useF
• Neighborhood health statusD to F
• Past wildfire impactsA
• Past flood impactsA
• Noise levelsA
• Radiation signalsD

Based on 2 census tracts · compiled September 10, 2026 · how each grade works and its sources

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