Jackson County, MO

ZIP 64055

In ZIP 64055, 9 of the 12 things we check have at least one part graded D or F.

• Drinking water: Lees Summit Pws meets every EPA legal limit; 7 contaminants are above health goals, led by lithium at 3.9× the USGS health-based screening level.
• Nearest Superfund site: Conservation Chemical Co., 4.7 miles away (2 within 10 miles).
• Largest share of modeled toxic air from industry: Harcros Chemicals Inc (53%), mostly ethylene oxide.
• Fine particles (PM2.5) average 8.3 µg/m³; the WHO guideline is 5 and the EPA annual standard is 9.
• About 66,704 kg of agricultural pesticides are applied in the county each year.

Grades for ZIP 64055

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

Based on 12 census tracts · compiled October 25, 2026 · how each grade works and its sources

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