Guernsey County, OH

ZIP 43778

In ZIP 43778, 6 of the 12 things we check have at least one part graded D or F.

• Drinking water: Byesville meets every EPA legal limit; 12 contaminants are above health goals, led by lead at 48× California’s Public Health Goal.
• Nearest Superfund site: Fultz Landfill, 4.2 miles away.
• Largest share of modeled toxic air from industry: Amg Vanadium LLC (94%), mostly nickel compounds.
• Fine particles (PM2.5) average 7.3 µg/m³; the WHO guideline is 5 and the EPA annual standard is 9.
• About 18,715 kg of agricultural pesticides are applied in the county each year.

Grades for ZIP 43778

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

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

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