Laurel County, KY

ZIP 40740

In ZIP 40740, 4 of the 12 things we check have at least one part graded D or F.

• Drinking water: Barbourville Utilities meets every EPA legal limit; 6 contaminants are above health goals, led by arsenic at 80× 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: Kowa Kentucky Inc. (48%), mostly nickel.
• Fine particles (PM2.5) average 6.8 µg/m³; the WHO guideline is 5 and the EPA annual standard is 9.
• About 16,431 kg of agricultural pesticides are applied in the county each year.

Grades for ZIP 40740

• Superfund sites nearbyA
• Factories and industrial sitesA to B
• Oil and gas wellsF
• Parks and nature nearbyC
• Air qualityA to B
• Drinking water qualityB to C
• Pesticide useD
• Neighborhood health statusF
• Past wildfire impactsA
• Past flood impactsA
• Noise levelsA to B
• Radiation signalsD

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

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