Butler County, OH

ZIP 45015

In ZIP 45015, 8 of the 12 things we check have at least one part graded D or F.

• Drinking water: Hamilton Public Water System meets every EPA legal limit; 5 contaminants are above health goals, led by pfoa at 314× California’s Public Health Goal.
• Nearest Superfund site: Chem-Dyne, 3.3 miles away (3 within 10 miles).
• Largest share of modeled toxic air from industry: The Shepherd Color Co (56%), mostly cobalt compounds.
• Fine particles (PM2.5) average 9.7 µg/m³; the WHO guideline is 5 and the EPA annual standard is 9.
• About 100,411 kg of agricultural pesticides are applied in the county each year.

Grades for ZIP 45015

• Superfund sites nearbyD to F
• Factories and industrial sitesD to F
• Oil and gas wellsB
• Parks and nature nearbyC
• Air qualityD to F
• Drinking water qualityC to D
• Pesticide useC to D
• Neighborhood health statusF
• Past wildfire impactsA
• Past flood impactsA
• Noise levelsA to D
• Radiation signalsF

Based on 5 census tracts · compiled October 25, 2026 · how each grade works and its sources

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