Miami County, OH

ZIP 45373

In ZIP 45373, 10 of the 12 things we check have at least one part graded D or F.

• Drinking water: Dayton Public Water System has 1 contaminant at or over an EPA legal limit; 12 contaminants are above health goals, led by pfoa at 329× California’s Public Health Goal.
• Nearest Superfund site: United Scrap Lead Co., Inc., 1.4 miles away (3 within 10 miles).
• Largest share of modeled toxic air from industry: Hobart Plant 27 (33%), mostly chromium.
• 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 45373

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

Based on 13 census tracts · compiled October 25, 2026 · how each grade works and its sources

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