Miami County, OH

ZIP 45326

In ZIP 45326, 5 of the 12 things we check have at least one part graded D or F.

• Drinking water: Miami Co-Camp Troy Pws meets every EPA legal limit; 7 contaminants are above health goals, led by bromodichloromethane at 133× California’s Public Health Goal.
• Nearest Superfund site: East Troy Contaminated Aquifer, 6.3 miles away (3 within 10 miles).
• Largest share of modeled toxic air from industry: Plating Technology Inc. Dayton Plant (42%), mostly nickel compounds.
• Fine particles (PM2.5) average 8.1 µg/m³; the WHO guideline is 5 and the EPA annual standard is 9.
• About 173,753 kg of agricultural pesticides are applied in the county each year.

Grades for ZIP 45326

• Superfund sites nearbyD
• Factories and industrial sitesC
• Oil and gas wellsA
• Parks and nature nearbyC
• Air qualityD
• Drinking water qualityC
• Pesticide useF
• Neighborhood health statusF
• Past wildfire impactsA
• Past flood impactsA
• Noise levelsA
• Radiation signalsF

Based on 1 census tract · compiled October 25, 2026 · how each grade works and its sources

Loading the full report, with every source…