Douglas County, KS

ZIP 66524

In ZIP 66524, 5 of the 12 things we check have at least one part graded D or F.

• Drinking water: Shawnee Co Rwd 3c meets every EPA legal limit; 8 contaminants are above health goals, led by bromodichloromethane at 239× California’s Public Health Goal.
• Closer to Superfund sites than 0% of U.S. neighborhoods, with no listed site within 10 miles of its center.
• Largest share of modeled toxic air from industry: American Phoenix Inc. - Topeka Ks (76%), mostly cobalt compounds.
• Fine particles (PM2.5) average 6.8 µg/m³; the WHO guideline is 5 and the EPA annual standard is 9.
• About 103,017 kg of agricultural pesticides are applied in the county each year.

Grades for ZIP 66524

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

Based on 5 census tracts · compiled October 25, 2026 · how each grade works and its sources

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