Calhoun County, WV

ZIP 25235

In ZIP 25235, 5 of the 12 things we check have at least one part graded D or F.

• Drinking water: Birch River Psd meets every EPA legal limit; 7 contaminants are above health goals, led by lead at 14× 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: Union Carbide Corp South Charleston Facility (48%), mostly ethylene oxide.
• Fine particles (PM2.5) average 6.3 µg/m³; the WHO guideline is 5 and the EPA annual standard is 9.
• About 2,048 kg of agricultural pesticides are applied in the county each year.

Grades for ZIP 25235

• Superfund sites nearbyA
• Factories and industrial sitesA
• Oil and gas wellsF
• Parks and nature nearbyC
• Air qualityA
• Drinking water qualityC to D
• Pesticide useC to F
• Neighborhood health statusF
• Past wildfire impactsA
• Past flood impactsB to C
• Noise levelsA to B
• Radiation signalsC to D

Based on 3 census tracts · compiled September 10, 2026 · how each grade works and its sources

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