DuPage County, IL
ZIP 60517
In ZIP 60517, 6 of the 12 things we check have at least one part graded D or F.
- Drinking water: Naperville has 2 contaminants at or over an EPA legal limit; 13 contaminants are above health goals, led by arsenic at 190× California’s Public Health Goal.
- Nearest Superfund site: Dupage County Landfill/blackwell Forest Preserve, 7.1 miles away (3 within 10 miles).
- Largest share of modeled toxic air from industry: Citgo Petroleum Corp Lemont Refinery (37%), mostly chromium.
- Fine particles (PM2.5) average 9.4 µg/m³; the WHO guideline is 5 and the EPA annual standard is 9.
- About 248,146 kg of agricultural pesticides are applied in the county each year.
Grades for ZIP 60517
- Superfund sites nearbyC to F
- Factories and industrial sitesD to F
- Oil and gas wellsA to C
- Parks and nature nearbyB to C
- Air qualityD to F
- Drinking water qualityC to F
- Pesticide useA to C
- Neighborhood health statusA to C
- Past wildfire impactsA
- Past flood impactsA
- Noise levelsA to D
- Radiation signalsB to D
Based on 16 census tracts · compiled October 25, 2026 · how each grade works and its sources
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