Johnson County, KS

ZIP 66218

In ZIP 66218, 8 of the 12 things we check have at least one part graded D or F.

• Drinking water: Kansas City Board Of Public Utilities meets every EPA legal limit; 15 contaminants are above health goals, led by bromodichloromethane at 124× California’s Public Health Goal.
• Nearest Superfund site: Doepke Disposal (holliday), 3.4 miles away (2 within 10 miles).
• Largest share of modeled toxic air from industry: Harcros Chemicals Inc (76%), 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 49,881 kg of agricultural pesticides are applied in the county each year.

Grades for ZIP 66218

• Superfund sites nearbyD
• Factories and industrial sitesD to F
• Oil and gas wellsD to F
• Parks and nature nearbyC to D
• Air qualityB to C
• Drinking water qualityD
• Pesticide useD
• Neighborhood health statusA to B
• Past wildfire impactsA
• Past flood impactsB
• Noise levelsA to D
• Radiation signalsD

Based on 5 census tracts · compiled September 10, 2026 · how each grade works and its sources

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