Nemaha County, KS

ZIP 66538

In ZIP 66538, 7 of the 12 things we check have at least one part graded D or F.

• Drinking water: Pottawatomie Co Rwd 3 meets every EPA legal limit; 9 contaminants are above health goals, led by arsenic at 296× 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: Landoll Corp (93%), mostly manganese compounds.
• Fine particles (PM2.5) average 6.5 µg/m³; the WHO guideline is 5 and the EPA annual standard is 9.
• About 260,113 kg of agricultural pesticides are applied in the county each year.

Grades for ZIP 66538

• Superfund sites nearbyA
• Factories and industrial sitesC to D
• Oil and gas wellsB to D
• Parks and nature nearbyD
• Air qualityA
• Drinking water qualityA to C
• Pesticide useF
• Neighborhood health statusC to D
• Past wildfire impactsA
• Past flood impactsC
• Noise levelsA to D
• Radiation signalsF

Based on 2 census tracts · compiled October 25, 2026 · how each grade works and its sources

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