Jefferson County, OH

ZIP 43943

In ZIP 43943, 9 of the 12 things we check have at least one part graded D or F.

• Drinking water: Martins Ferry Public Water System has 1 contaminant at or over an EPA legal limit; 10 contaminants are above health goals, led by pfos at 1.9× California’s Public Health Goal.
• Closer to Superfund sites than 0% of U.S. neighborhoods, with no listed site within 10 miles of its center.
• Largest share of modeled toxic air from industry: Cardinal Plant (95%), mostly chromium compounds.
• Fine particles (PM2.5) average 7.9 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 43943

• Superfund sites nearbyA
• Factories and industrial sitesB to F
• Oil and gas wellsF
• Parks and nature nearbyB to C
• Air qualityC to D
• Drinking water qualityB to D
• Pesticide useC to D
• Neighborhood health statusF
• Past wildfire impactsA
• Past flood impactsC to F
• Noise levelsA to D
• Radiation signalsF

Based on 8 census tracts · compiled October 25, 2026 · how each grade works and its sources

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