Hardin County, KY

ZIP 40160

In ZIP 40160, 8 of the 12 things we check have at least one part graded D or F.

• Drinking water: Hardin Co. Water Dist #1/Ft. Knox meets every EPA legal limit; 13 contaminants are above health goals, led by lead at 46× California’s Public Health Goal.
• Nearest Superfund site: Distler Brickyard, 8.2 miles away (2 within 10 miles).
• Largest share of modeled toxic air from industry: Monument Chemical Kentucky LLC (86%), mostly ethylene oxide.
• Fine particles (PM2.5) average 7.3 µg/m³; the WHO guideline is 5 and the EPA annual standard is 9.
• About 99,835 kg of agricultural pesticides are applied in the county each year.

Grades for ZIP 40160

• Superfund sites nearbyA to D
• Factories and industrial sitesB to C
• Oil and gas wellsC to F
• Parks and nature nearbyC to D
• Air qualityB to C
• Drinking water qualityD to F
• Pesticide useD to F
• Neighborhood health statusA to F
• Past wildfire impactsA
• Past flood impactsA
• Noise levelsA to D
• Radiation signalsD

Based on 9 census tracts · compiled September 10, 2026 · how each grade works and its sources

Loading the full report, with every source…