Clay County, MO

ZIP 64155

In ZIP 64155, 5 of the 12 things we check have at least one part graded D or F.

• Drinking water: Kansas City Pws meets every EPA legal limit; 10 contaminants are above health goals, led by lithium at 3.9× the USGS health-based screening level.
• Nearest Superfund site: Armour Road, 6.5 miles away (3 within 10 miles).
• Largest share of modeled toxic air from industry: Harcros Chemicals Inc (80%), mostly ethylene oxide.
• Fine particles (PM2.5) average 7.8 µg/m³; the WHO guideline is 5 and the EPA annual standard is 9.
• About 107,560 kg of agricultural pesticides are applied in the county each year.

Grades for ZIP 64155

• Superfund sites nearbyA to C
• Factories and industrial sitesD to F
• Oil and gas wellsF
• Parks and nature nearbyB to C
• Air qualityB to C
• Drinking water qualityC
• Pesticide useB to F
• Neighborhood health statusA to C
• Past wildfire impactsA
• Past flood impactsB
• Noise levelsA to D
• Radiation signalsF

Based on 10 census tracts · compiled October 25, 2026 · how each grade works and its sources

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