Monongalia County, WV

ZIP 26570

In ZIP 26570, 8 of the 12 things we check have at least one part graded D or F.

• Drinking water: Mannington City Of meets every EPA legal limit; 9 contaminants are above health goals, led by bromodichloromethane at 8,651× California’s Public Health Goal.
• Nearest Superfund site: Big John Salvage - Hoult Road, 8.0 miles away (2 within 10 miles).
• Largest share of modeled toxic air from industry: Harrison Power Station (57%), 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 26570

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

Based on 4 census tracts · compiled September 10, 2026 · how each grade works and its sources

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