Hardin County, KY

ZIP 42724

In ZIP 42724, 6 of the 12 things we check have at least one part graded D or F.

• Drinking water: Hardin County Water District #2 has 2 contaminants at or over an EPA legal limit; 14 contaminants are above health goals, led by pfos at 5.3× California’s Public Health Goal.
• Nearest Superfund site: Howe Valley Landfill, 2.4 miles away.
• Largest share of modeled toxic air from industry: Monument Chemical Kentucky LLC (95%), 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 42724

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

Based on 3 census tracts · compiled September 10, 2026 · how each grade works and its sources

Loading the full report, with every source…