Preston County, WV

ZIP 26374

In ZIP 26374, 9 of the 12 things we check have at least one part graded D or F.

• Drinking water: Preston County Psd 1 has 1 contaminant at or over an EPA legal limit; 12 contaminants are above health goals, led by dichloromethane at 17× California’s Public Health Goal.
• Nearest Superfund site: Ordnance Works Disposal Areas, 4.6 miles away (3 within 10 miles).
• Largest share of modeled toxic air from industry: Harrison Power Station (56%), 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 1,330 kg of agricultural pesticides are applied in the county each year.

Grades for ZIP 26374

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

Based on 6 census tracts · compiled September 10, 2026 · how each grade works and its sources

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