Hardin County, KY

ZIP 42712

In ZIP 42712, 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 7.1 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 42712

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

Based on 4 census tracts · compiled September 10, 2026 · how each grade works and its sources

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