Mason County, WV

ZIP 25106

In ZIP 25106, 5 of the 12 things we check have at least one part graded D or F.

• Drinking water: Gallipolis Ferry meets every EPA legal limit; 7 contaminants are above health goals, led by lead at 132× California’s Public Health Goal.
• Closer to Superfund sites than 56% of U.S. neighborhoods, with no listed site within 10 miles of its center.
• Largest share of modeled toxic air from industry: Thistle Processing LLC (42%), mostly ethylene oxide.
• Fine particles (PM2.5) average 7.4 µg/m³; the WHO guideline is 5 and the EPA annual standard is 9.
• About 32,449 kg of agricultural pesticides are applied in the county each year.

Grades for ZIP 25106

• Superfund sites nearbyA to C
• Factories and industrial sitesC
• Oil and gas wellsD
• Parks and nature nearbyC
• Air qualityB to C
• Drinking water qualityC to F
• Pesticide useF
• Neighborhood health statusF
• Past wildfire impactsA
• Past flood impactsA
• Noise levelsA
• Radiation signalsD

Based on 2 census tracts · compiled September 10, 2026 · how each grade works and its sources

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