Miami County, OH

ZIP 45339

In ZIP 45339, 7 of the 12 things we check have at least one part graded D or F.

• Drinking water: Union City Pws meets every EPA legal limit; 9 contaminants are above health goals, led by pfoa at 386× California’s Public Health Goal.
• Nearest Superfund site: United Scrap Lead Co., Inc., 8.5 miles away (3 within 10 miles).
• Largest share of modeled toxic air from industry: Plating Technology Inc. Dayton Plant (47%), mostly nickel compounds.
• Fine particles (PM2.5) average 8.2 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 45339

• Superfund sites nearbyA to D
• Factories and industrial sitesB to C
• Oil and gas wellsA to D
• Parks and nature nearbyB to F
• Air qualityD
• Drinking water qualityB to C
• Pesticide useF
• Neighborhood health statusF
• Past wildfire impactsA
• Past flood impactsA
• Noise levelsA
• Radiation signalsF

Based on 3 census tracts · compiled October 25, 2026 · how each grade works and its sources

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