Highland County, OH

ZIP 45135

In ZIP 45135, 5 of the 12 things we check have at least one part graded D or F.

• Drinking water: Western Water Company has 2 contaminants at or over an EPA legal limit; 12 contaminants are above health goals, led by pfos at 14× California’s Public Health Goal.
• Closer to Superfund sites than 0% of U.S. neighborhoods, with no listed site within 10 miles of its center.
• Largest share of modeled toxic air from industry: Adient US LLC (47%), mostly toluene diisocyanate (mixed isomers).
• Fine particles (PM2.5) average 7.5 µg/m³; the WHO guideline is 5 and the EPA annual standard is 9.
• About 159,780 kg of agricultural pesticides are applied in the county each year.

Grades for ZIP 45135

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

Based on 5 census tracts · compiled September 10, 2026 · how each grade works and its sources

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