Monongalia County, WV

ZIP 26501

In ZIP 26501, 9 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, 5.3 miles away (3 within 10 miles).
• Largest share of modeled toxic air from industry: Harrison Power Station (57%), mostly sulfuric acid.
• Fine particles (PM2.5) average 8.1 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 26501

• Superfund sites nearbyA to C
• Factories and industrial sitesC to D
• Oil and gas wellsF
• Parks and nature nearbyC to D
• Air qualityC to D
• Drinking water qualityC to D
• Pesticide useB to C
• Neighborhood health statusC to F
• Past wildfire impactsA
• Past flood impactsF
• Noise levelsA to D
• Radiation signalsC to D

Based on 7 census tracts · compiled September 10, 2026 · how each grade works and its sources

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