Jefferson County, OH

ZIP 43926

In ZIP 43926, 6 of the 12 things we check have at least one part graded D or F.

• Drinking water: Toronto Pws meets every EPA legal limit; 8 contaminants are above health goals, led by bromodichloromethane at 232× California’s Public Health Goal.
• Nearest Superfund site: Follansbee, 9.1 miles away.
• Largest share of modeled toxic air from industry: Union Electric Steel Corp (23%), mostly chromium compounds.
• Fine particles (PM2.5) average 8.1 µg/m³; the WHO guideline is 5 and the EPA annual standard is 9.
• About 7,446 kg of agricultural pesticides are applied in the county each year.

Grades for ZIP 43926

• Superfund sites nearbyA
• Factories and industrial sitesC
• Oil and gas wellsF
• Parks and nature nearbyC
• Air qualityD
• Drinking water qualityC to D
• Pesticide useD
• Neighborhood health statusF
• Past wildfire impactsA
• Past flood impactsC
• Noise levelsA
• Radiation signalsD

Based on 1 census tract · compiled September 10, 2026 · how each grade works and its sources

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