Montgomery County, OH

ZIP 45458

In ZIP 45458, 7 of the 12 things we check have at least one part graded D or F.

• Drinking water: Waynesville Village Pws has 1 contaminant at or over an EPA legal limit; 8 contaminants are above health goals, led by pfos at 4.2× California’s Public Health Goal.
• Nearest Superfund site: Mound Plant (usdoe), 5.6 miles away (2 within 10 miles).
• Largest share of modeled toxic air from industry: Plating Technology Inc. Dayton Plant (32%), mostly nickel compounds.
• Fine particles (PM2.5) average 7.9 µg/m³; the WHO guideline is 5 and the EPA annual standard is 9.
• About 93,781 kg of agricultural pesticides are applied in the county each year.

Grades for ZIP 45458

• Superfund sites nearbyA to D
• Factories and industrial sitesB to C
• 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 statusB to D
• Past wildfire impactsA
• Past flood impactsA
• Noise levelsA to C
• Radiation signalsD

Based on 11 census tracts · compiled September 10, 2026 · how each grade works and its sources

Loading the full report, with every source…