Montgomery County, OH

ZIP 45426

In ZIP 45426, 8 of the 12 things we check have at least one part graded D or F.

• Drinking water: Dayton Public Water System has 2 contaminants at or over an EPA legal limit; 18 contaminants are above health goals, led by lead at 957× California’s Public Health Goal.
• Nearest Superfund site: Behr Dayton Thermal System Voc Plume, 4.9 miles away (3 within 10 miles).
• Largest share of modeled toxic air from industry: Plating Technology Inc. Dayton Plant (60%), 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 106,635 kg of agricultural pesticides are applied in the county each year.

Grades for ZIP 45426

• Superfund sites nearbyA to F
• Factories and industrial sitesC to D
• Oil and gas wellsA to C
• Parks and nature nearbyC to F
• Air qualityD
• Drinking water qualityD to F
• Pesticide useC to F
• Neighborhood health statusF
• Past wildfire impactsA
• Past flood impactsA
• Noise levelsA to B
• Radiation signalsD

Based on 8 census tracts · compiled September 10, 2026 · how each grade works and its sources

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