Harlan County, KY

ZIP 40830

In ZIP 40830, 3 of the 12 things we check have at least one part graded D or F.

• Drinking water: Cawood Water-Pathfork meets every EPA legal limit; 3 contaminants are above health goals, led by total haloacetic acids (haa5) at 2.4× Peer-Reviewed Research.
• Nearest Superfund site: National Electric Coil Co./cooper Industries, 4.8 miles away.
• Largest share of modeled toxic air from industry: Royal Sterilization Systems (61%), mostly ethylene oxide.
• 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 40830

• Superfund sites nearbyD
• Factories and industrial sitesA
• Oil and gas wellsD
• Parks and nature nearbyB
• Air qualityA
• Drinking water qualityB
• Pesticide useC
• Neighborhood health statusF
• Past wildfire impactsA
• Past flood impactsA
• Noise levelsA
• Radiation signalsB

Based on 1 census tract · compiled October 25, 2026 · how each grade works and its sources

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