Monongalia County, WV

ZIP 26543

In ZIP 26543, 5 of the 12 things we check have at least one part graded D or F.

• Drinking water: Pleasant Valley Psd - North Cassville meets every EPA legal limit; 8 contaminants are above health goals, led by bromodichloromethane at 207× California’s Public Health Goal.
• Nearest Superfund site: Ordnance Works Disposal Areas, 7.5 miles away.
• Largest share of modeled toxic air from industry: Harrison Power Station (59%), mostly sulfuric acid.
• Fine particles (PM2.5) average 7.4 µg/m³; the WHO guideline is 5 and the EPA annual standard is 9.
• About 2,309 kg of agricultural pesticides are applied in the county each year.

Grades for ZIP 26543

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

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

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