Knox County, OH

ZIP 43022

In ZIP 43022, 5 of the 12 things we check have at least one part graded D or F.

• Drinking water: Knox County Water And Wastewater Pws meets every EPA legal limit; 9 contaminants are above health goals, led by bromodichloromethane at 111× 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: Owens Corning Insulating Systems LLC Newark Oh Facility (41%), mostly chromium compounds.
• Fine particles (PM2.5) average 7.7 µg/m³; the WHO guideline is 5 and the EPA annual standard is 9.
• About 134,710 kg of agricultural pesticides are applied in the county each year.

Grades for ZIP 43022

• Superfund sites nearbyA
• Factories and industrial sitesA to B
• Oil and gas wellsF
• Parks and nature nearbyB to D
• Air qualityC
• Drinking water qualityA to C
• Pesticide useF
• Neighborhood health statusA to D
• Past wildfire impactsA
• Past flood impactsA
• Noise levelsA
• Radiation signalsF

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

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