Butler County, KS

ZIP 67042

In ZIP 67042, 9 of the 12 things we check have at least one part graded D or F.

• Drinking water: El Dorado, City Of meets every EPA legal limit; 11 contaminants are above health goals, led by lead at 72× California’s Public Health Goal.
• Nearest Superfund site: Pester Refinery Co., 2.1 miles away.
• Largest share of modeled toxic air from industry: Hf Sinclair El Dorado Refining LLC (84%), mostly chromium compounds.
• Fine particles (PM2.5) average 7.3 µg/m³; the WHO guideline is 5 and the EPA annual standard is 9.
• About 193,440 kg of agricultural pesticides are applied in the county each year.

Grades for ZIP 67042

• Superfund sites nearbyC to F
• Factories and industrial sitesC to D
• Oil and gas wellsD to F
• Parks and nature nearbyC to D
• Air qualityA to C
• Drinking water qualityC to F
• Pesticide useF
• Neighborhood health statusC to F
• Past wildfire impactsA
• Past flood impactsA to B
• Noise levelsA to D
• Radiation signalsD

Based on 8 census tracts · compiled September 10, 2026 · how each grade works and its sources

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