Pottawatomie County, KS

ZIP 66407

In ZIP 66407, 5 of the 12 things we check have at least one part graded D or F.

• Drinking water: Maple Hill, City Of meets every EPA legal limit; 11 contaminants are above health goals, led by lead at 51× California’s Public Health Goal.
• Closer to Superfund sites than 54% of U.S. neighborhoods, with no listed site within 10 miles of its center.
• Largest share of modeled toxic air from industry: Jeffrey Energy Center (97%), mostly chromium compounds.
• Fine particles (PM2.5) average 6.5 µg/m³; the WHO guideline is 5 and the EPA annual standard is 9.
• About 76,274 kg of agricultural pesticides are applied in the county each year.

Grades for ZIP 66407

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

Based on 3 census tracts · compiled September 10, 2026 · how each grade works and its sources

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