Greene County, OH

ZIP 45301

In ZIP 45301, 6 of the 12 things we check have at least one part graded D or F.

• Drinking water: Greene Co.-Northwest Reg Water meets every EPA legal limit; 9 contaminants are above health goals, led by arsenic at 1,451× California’s Public Health Goal.
• Nearest Superfund site: Lammers Barrel Factory, 2.7 miles away (3 within 10 miles).
• Largest share of modeled toxic air from industry: Unison Industries LLC Plant 1 (31%), mostly chromium.
• Fine particles (PM2.5) average 8.0 µg/m³; the WHO guideline is 5 and the EPA annual standard is 9.
• About 175,712 kg of agricultural pesticides are applied in the county each year.

Grades for ZIP 45301

• Superfund sites nearbyF
• Factories and industrial sitesD
• Oil and gas wellsA
• Parks and nature nearbyC
• Air qualityD
• Drinking water qualityC
• Pesticide useD
• Neighborhood health statusD
• Past wildfire impactsA
• Past flood impactsA
• Noise levelsA
• Radiation signalsF

Based on 1 census tract · compiled October 25, 2026 · how each grade works and its sources

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