Washington County, OH

ZIP 45742

In ZIP 45742, 6 of the 12 things we check have at least one part graded D or F.

• Drinking water: Little Hocking Water Association, Inc. meets every EPA legal limit; 6 contaminants are above health goals, led by arsenic at 125× California’s Public Health Goal.
• Nearest Superfund site: Vienna Tetrachloroethene, 5.1 miles away.
• Largest share of modeled toxic air from industry: Kraton Polymers US LLC (62%), mostly 1,3-butadiene.
• 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 45742

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

Based on 4 census tracts · compiled October 25, 2026 · how each grade works and its sources

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