Letcher County, KY

ZIP 41837

In ZIP 41837, 2 of the 12 things we check have at least one part graded D or F.

• Drinking water: Whitesburg Water Works meets every EPA legal limit; 7 contaminants are above health goals, led by arsenic at 98× 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: Joy Global Underground Mining LLC (97%), mostly chromium.
• Fine particles (PM2.5) average 6.7 µg/m³; the WHO guideline is 5 and the EPA annual standard is 9.
• About 314 kg of agricultural pesticides are applied in the county each year.

Grades for ZIP 41837

• Superfund sites nearbyA
• Factories and industrial sitesA
• Oil and gas wellsD to F
• Parks and nature nearbyB
• Air qualityA
• Drinking water qualityA to C
• Pesticide useA to B
• Neighborhood health statusF
• Past wildfire impactsA
• Past flood impactsA to C
• Noise levelsA
• Radiation signalsC

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

Loading the full report, with every source…