Franklin County, OH

ZIP 43210

In ZIP 43210, 5 of the 12 things we check have at least one part graded D or F.

• Drinking water: Columbus Public Water System meets every EPA legal limit; 13 contaminants are above health goals, led by pfoa at 329× California’s Public Health Goal.
• Nearest Superfund site: Air Force Plant 85, 6.2 miles away.
• Largest share of modeled toxic air from industry: Mills Metal Finishing (96%), mostly chromium.
• Fine particles (PM2.5) average 10.0 µg/m³; the WHO guideline is 5 and the EPA annual standard is 9.
• About 62,630 kg of agricultural pesticides are applied in the county each year.

Grades for ZIP 43210

• Superfund sites nearbyC to D
• Factories and industrial sitesD to F
• Oil and gas wellsA
• Parks and nature nearbyC
• Air qualityF
• Drinking water qualityC
• Pesticide useB to C
• Neighborhood health statusA
• Past wildfire impactsA
• Past flood impactsA
• Noise levelsB to D
• Radiation signalsF

Based on 5 census tracts · compiled October 25, 2026 · how each grade works and its sources

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