Clarion County, PA

ZIP 16233

In ZIP 16233, 5 of the 12 things we check have at least one part graded D or F.

  • Drinking water: Farmington Township meets every EPA legal limit; 8 contaminants are above health goals, led by bromodichloromethane at 216× 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-Brockway Glass Container Inc Plant 18 (49%), mostly chromium compounds.
  • Fine particles (PM2.5) average 6.7 µg/m³; the WHO guideline is 5 and the EPA annual standard is 9.
  • About 33,211 kg of agricultural pesticides are applied in the county each year.

Grades for ZIP 16233

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

Based on 2 census tracts · compiled September 10, 2026 · how each grade works and its sources

Loading the full report, with every source…

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