Allen County, OH

ZIP 45820

In ZIP 45820, 7 of the 12 things we check have at least one part graded D or F.

  • Drinking water: Beaverdam Village Pws meets every EPA legal limit; 10 contaminants are above health goals, led by lead at 17× 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: Ineos Nitriles USA LLC (85%), mostly acrylonitrile.
  • Fine particles (PM2.5) average 7.5 µg/m³; the WHO guideline is 5 and the EPA annual standard is 9.
  • About 162,070 kg of agricultural pesticides are applied in the county each year.

Grades for ZIP 45820

  • Superfund sites nearbyA
  • Factories and industrial sitesD
  • Oil and gas wellsD
  • Parks and nature nearbyD
  • Air qualityC
  • Drinking water qualityD
  • Pesticide useF
  • Neighborhood health statusD
  • Past wildfire impactsA
  • Past flood impactsA
  • Noise levelsA
  • Radiation signalsF

Based on 1 census tract · compiled September 10, 2026 · how each grade works and its sources

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