Clay County, MO

ZIP 64157

In ZIP 64157, 6 of the 12 things we check have at least one part graded D or F.

• Drinking water: Clay County Pwsd 6 meets every EPA legal limit; 6 contaminants are above health goals, led by lead at 13× California’s Public Health Goal.
• Nearest Superfund site: Lee Chemical, 5.9 miles away (3 within 10 miles).
• Largest share of modeled toxic air from industry: Harcros Chemicals Inc (61%), mostly ethylene oxide.
• Fine particles (PM2.5) average 7.7 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 64157

• Superfund sites nearbyA to D
• Factories and industrial sitesC to D
• Oil and gas wellsF
• Parks and nature nearbyD
• Air qualityB to C
• Drinking water qualityC to D
• Pesticide useD
• Neighborhood health statusB
• Past wildfire impactsA
• Past flood impactsB
• Noise levelsA

Based on 6 census tracts · compiled September 10, 2026 · how each grade works and its sources

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