Madison County, KY

ZIP 40475

In ZIP 40475, 8 of the 12 things we check have at least one part graded D or F.

• Drinking water: Estill Co Water District meets every EPA legal limit; 5 contaminants are above health goals, led by lead at 31× California’s Public Health Goal.
• Closer to Superfund sites than 0% of U.S. neighborhoods, with no listed site within 10 miles of its center.
• Largest share of modeled toxic air from industry: Sherwin-Williams Co (41%), mostly chromium compounds.
• Fine particles (PM2.5) average 7.4 µg/m³; the WHO guideline is 5 and the EPA annual standard is 9.
• About 29,042 kg of agricultural pesticides are applied in the county each year.

Grades for ZIP 40475

• Superfund sites nearbyA
• Factories and industrial sitesC to D
• Oil and gas wellsA to F
• Parks and nature nearbyC to F
• Air qualityA to C
• Drinking water qualityC to F
• Pesticide useD to F
• Neighborhood health statusB to F
• Past wildfire impactsA
• Past flood impactsA to C
• Noise levelsA to D
• Radiation signalsC to D

Based on 23 census tracts · compiled September 10, 2026 · how each grade works and its sources

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