Clay County, MO

ZIP 64068

In ZIP 64068, 9 of the 12 things we check have at least one part graded D or F.

  • Drinking water: Clay County Pwsd 7 meets every EPA legal limit; 7 contaminants are above health goals, led by lead at 38× California’s Public Health Goal.
  • Nearest Superfund site: Lee Chemical, 3.6 miles away (3 within 10 miles).
  • Largest share of modeled toxic air from industry: Harcros Chemicals Inc (59%), mostly ethylene oxide.
  • Fine particles (PM2.5) average 8.1 µg/m³; the WHO guideline is 5 and the EPA annual standard is 9.
  • About 38,838 kg of agricultural pesticides are applied in the county each year.

Grades for ZIP 64068

  • Superfund sites nearbyA to D
  • Factories and industrial sitesC to D
  • Oil and gas wellsC to F
  • Parks and nature nearbyC to F
  • Air qualityB to D
  • Drinking water qualityC to F
  • Pesticide useC to F
  • Neighborhood health statusB to D
  • Past wildfire impactsA
  • Past flood impactsB
  • Noise levelsA to C
  • Radiation signalsD to F

Based on 14 census tracts · compiled September 10, 2026 · how each grade works and its sources

Loading the full report, with every source…

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