Warren County, KY

ZIP 42274

In ZIP 42274, 6 of the 12 things we check have at least one part graded D or F.

• Drinking water: Butler County Water System Inc meets every EPA legal limit; 7 contaminants are above health goals, led by arsenic at 83× California’s Public Health Goal.
• Nearest Superfund site: Caldwell Lace Leather Co., Inc., 1.9 miles away.
• Largest share of modeled toxic air from industry: Trace Die Cast Inc (81%), mostly chromium.
• Fine particles (PM2.5) average 7.2 µg/m³; the WHO guideline is 5 and the EPA annual standard is 9.
• About 111,064 kg of agricultural pesticides are applied in the county each year.

Grades for ZIP 42274

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

Based on 4 census tracts · compiled October 25, 2026 · how each grade works and its sources

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