Mason County, WV

ZIP 25260

In ZIP 25260, 6 of the 12 things we check have at least one part graded D or F.

• Drinking water: Hartford Town Of meets every EPA legal limit; 10 contaminants are above health goals, led by lead at 37× California’s Public Health Goal.
• Nearest Superfund site: West Virginia Ordnance (usarmy), 5.3 miles away.
• Largest share of modeled toxic air from industry: Gavin Power LLC (85%), mostly cobalt compounds.
• 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 25260

• Superfund sites nearbyD
• Factories and industrial sitesB
• Oil and gas wellsF
• Parks and nature nearbyC
• Air qualityC
• Drinking water qualityD to F
• Pesticide useF
• Neighborhood health statusF
• Past wildfire impactsA
• Past flood impactsA
• Noise levelsA
• Radiation signalsD

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

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