Winneshiek County, IA

ZIP 52132

In ZIP 52132, 4 of the 12 things we check have at least one part graded D or F.

• Drinking water: Ridgeway, City Of meets every EPA legal limit; 8 contaminants are above health goals, led by bromodichloromethane at 88× 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: Donaldson Co Inc (60%), mostly diisocyanates.
• Fine particles (PM2.5) average 6.7 µg/m³; the WHO guideline is 5 and the EPA annual standard is 9.
• About 243,995 kg of agricultural pesticides are applied in the county each year.

Grades for ZIP 52132

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

Based on 5 census tracts · compiled October 25, 2026 · how each grade works and its sources

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