Allen County, KS

ZIP 66749

In ZIP 66749, 7 of the 12 things we check have at least one part graded D or F.

• Drinking water: Allen Co Rwd 15 meets every EPA legal limit; 8 contaminants are above health goals, led by lead at 31× California’s Public Health Goal.
• Nearest Superfund site: Former United Zinc & Associated Smelters, 1.9 miles away.
• Largest share of modeled toxic air from industry: Ash Grove Cement Co (95%), mostly chromium compounds.
• Fine particles (PM2.5) average 6.7 µg/m³; the WHO guideline is 5 and the EPA annual standard is 9.
• About 104,928 kg of agricultural pesticides are applied in the county each year.

Grades for ZIP 66749

• Superfund sites nearbyC to F
• Factories and industrial sitesA to B
• Oil and gas wellsF
• Parks and nature nearbyD
• Air qualityA
• Drinking water qualityC to F
• Pesticide useF
• Neighborhood health statusD
• Past wildfire impactsA
• Past flood impactsA to B
• Noise levelsA
• Radiation signalsC to D

Based on 5 census tracts · compiled September 10, 2026 · how each grade works and its sources

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