Pottawattamie County, IA

ZIP 51576

In ZIP 51576, 8 of the 12 things we check have at least one part graded D or F.

• Drinking water: Metropolitan Utilities District meets every EPA legal limit; 12 contaminants are above health goals, led by arsenic at 583× California’s Public Health Goal.
• Nearest Superfund site: Omaha Lead, 7.1 miles away.
• Largest share of modeled toxic air from industry: Cargill Corn Milling North America (49%), mostly acrolein.
• Fine particles (PM2.5) average 6.8 µg/m³; the WHO guideline is 5 and the EPA annual standard is 9.
• About 404,863 kg of agricultural pesticides are applied in the county each year.

Grades for ZIP 51576

• Superfund sites nearbyA to D
• Factories and industrial sitesC to D
• Oil and gas wellsA
• Parks and nature nearbyC to F
• Air qualityA to B
• Drinking water qualityC
• Pesticide useF
• Neighborhood health statusB to D
• Past wildfire impactsA
• Past flood impactsC to D
• Noise levelsA to D
• Radiation signalsF

Based on 4 census tracts · compiled October 25, 2026 · how each grade works and its sources

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