Harlan County, KY

ZIP 40806

In ZIP 40806, 5 of the 12 things we check have at least one part graded D or F.

• Drinking water: Cumberland Municipal Water Works meets every EPA legal limit; 5 contaminants are above health goals, led by lithium at 3.1× the USGS health-based screening level.
• Nearest Superfund site: National Electric Coil Co./cooper Industries, 2.2 miles away.
• Largest share of modeled toxic air from industry: Joy Global Underground Mining LLC (100%), mostly chromium.
• Fine particles (PM2.5) average 6.6 µg/m³; the WHO guideline is 5 and the EPA annual standard is 9.
• About 2,065 kg of agricultural pesticides are applied in the county each year.

Grades for ZIP 40806

• Superfund sites nearbyC to F
• Factories and industrial sitesA
• Oil and gas wellsD
• Parks and nature nearbyA to C
• Air qualityA
• Drinking water qualityB to C
• Pesticide useB to D
• Neighborhood health statusD to F
• Past wildfire impactsA
• Past flood impactsA
• Noise levelsA to B
• Radiation signalsB to D

Based on 3 census tracts · compiled October 25, 2026 · how each grade works and its sources

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