Cerro Gordo County, IA

ZIP 50482

In ZIP 50482, 6 of the 12 things we check have at least one part graded D or F.

• Drinking water: Ventura Water Works has 1 contaminant at or over an EPA legal limit; 9 contaminants are above health goals, led by arsenic at 3,385× California’s Public Health Goal.
• Closer to Superfund sites than 56% of U.S. neighborhoods, with no listed site within 10 miles of its center.
• Largest share of modeled toxic air from industry: Zinpro Corp (100%), mostly cobalt compounds.
• Fine particles (PM2.5) average 6.5 µg/m³; the WHO guideline is 5 and the EPA annual standard is 9.
• About 286,982 kg of agricultural pesticides are applied in the county each year.

Grades for ZIP 50482

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

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

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