Logan County, OH

ZIP 43318

In ZIP 43318, 7 of the 12 things we check have at least one part graded D or F.

• Drinking water: Bellefontaine City Pws meets every EPA legal limit; 11 contaminants are above health goals, led by lead at 65× California’s Public Health Goal.
• Closer to Superfund sites than 55% of U.S. neighborhoods, with no listed site within 10 miles of its center.
• Largest share of modeled toxic air from industry: Ineos Nitriles USA LLC (20%), mostly chromium.
• Fine particles (PM2.5) average 7.9 µg/m³; the WHO guideline is 5 and the EPA annual standard is 9.
• About 164,618 kg of agricultural pesticides are applied in the county each year.

Grades for ZIP 43318

• Superfund sites nearbyA to C
• Factories and industrial sitesB
• Oil and gas wellsA to F
• Parks and nature nearbyD
• Air qualityC to D
• Drinking water qualityC to F
• Pesticide useF
• Neighborhood health statusD to F
• Past wildfire impactsA
• Past flood impactsA
• Noise levelsA
• Radiation signalsD to F

Based on 4 census tracts · compiled September 10, 2026 · how each grade works and its sources

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