Clay County, KY

ZIP 40941

In ZIP 40941, 5 of the 12 things we check have at least one part graded D or F.

• Drinking water: Manchester Water Works meets every EPA legal limit; 9 contaminants are above health goals, led by arsenic at 250× 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: Fci Manchester (100%), mostly lead.
• Fine particles (PM2.5) average 6.6 µg/m³; the WHO guideline is 5 and the EPA annual standard is 9.
• About 9,582 kg of agricultural pesticides are applied in the county each year.

Grades for ZIP 40941

• Superfund sites nearbyA
• Factories and industrial sitesA
• Oil and gas wellsF
• Parks and nature nearbyC
• Air qualityA
• Drinking water qualityD
• Pesticide useD to F
• Neighborhood health statusF
• Past wildfire impactsA
• Past flood impactsA
• Noise levelsA
• Radiation signalsC to D

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

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