Washington County, OH

ZIP 45729

In ZIP 45729, 6 of the 12 things we check have at least one part graded D or F.

• Drinking water: Warren Comm W And S Assn 2 has 1 contaminant at or over an EPA legal limit; 10 contaminants are above health goals, led by pfos at 2.5× California’s Public Health Goal.
• Nearest Superfund site: Vienna Tetrachloroethene, 5.9 miles away (2 within 10 miles).
• Largest share of modeled toxic air from industry: Dupont Washington Works (19%), mostly formaldehyde.
• Fine particles (PM2.5) average 7.4 µg/m³; the WHO guideline is 5 and the EPA annual standard is 9.
• About 44,902 kg of agricultural pesticides are applied in the county each year.

Grades for ZIP 45729

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

Based on 3 census tracts · compiled September 10, 2026 · how each grade works and its sources

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