Delaware County, IA

ZIP 52038

In ZIP 52038, 3 of the 12 things we check have at least one part graded D or F.

• Drinking water: Manchester Water Supply meets every EPA legal limit; 7 contaminants are above health goals, led by bromodichloromethane at 49× 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: Henderson Products Inc (96%), mostly chromium.
• Fine particles (PM2.5) average 6.8 µg/m³; the WHO guideline is 5 and the EPA annual standard is 9.
• About 298,554 kg of agricultural pesticides are applied in the county each year.

Grades for ZIP 52038

• Superfund sites nearbyA
• Factories and industrial sitesB
• Oil and gas wellsA
• Parks and nature nearbyC
• Air qualityB
• Drinking water qualityA to B
• Pesticide useF
• Neighborhood health statusC
• Past wildfire impactsA
• Past flood impactsF
• Noise levelsA
• Radiation signalsD

Based on 1 census tract · compiled October 25, 2026 · how each grade works and its sources

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