Johnson County, KS

ZIP 66061

In ZIP 66061, 10 of the 12 things we check have at least one part graded D or F.

• Drinking water: Desoto, City Of meets every EPA legal limit; 10 contaminants are above health goals, led by lead at 44× California’s Public Health Goal.
• Nearest Superfund site: Chemical Commodities, Inc., 1.1 miles away.
• Largest share of modeled toxic air from industry: Harcros Chemicals Inc (80%), mostly ethylene oxide.
• Fine particles (PM2.5) average 9.0 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 66061

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

Based on 19 census tracts · compiled September 10, 2026 · how each grade works and its sources

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