Clark County, OH

ZIP 45323

In ZIP 45323, 7 of the 12 things we check have at least one part graded D or F.

• Drinking water: Enon Village Pws meets every EPA legal limit; 9 contaminants are above health goals, led by bromodichloromethane at 44× California’s Public Health Goal.
• Nearest Superfund site: Donnelsville Contaminated Aquifer, 2.9 miles away (2 within 10 miles).
• Largest share of modeled toxic air from industry: Plating Technology Inc. Dayton Plant (31%), 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 148,765 kg of agricultural pesticides are applied in the county each year.

Grades for ZIP 45323

• Superfund sites nearbyD
• Factories and industrial sitesC
• Oil and gas wellsA to C
• Parks and nature nearbyC
• Air qualityD
• Drinking water qualityA to D
• Pesticide useF
• Neighborhood health statusD to F
• Past wildfire impactsA
• Past flood impactsA
• Noise levelsA to D
• Radiation signalsF

Based on 4 census tracts · compiled October 25, 2026 · how each grade works and its sources

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