DuPage County, IL

ZIP 60103

In ZIP 60103, 7 of the 12 things we check have at least one part graded D or F.

• Drinking water: Hanover Park has 1 contaminant at or over an EPA legal limit; 11 contaminants are above health goals, led by bromodichloromethane at 170× California’s Public Health Goal.
• Nearest Superfund site: Tri-County Landfill Co./waste Management of Illinois, Inc., 1.4 miles away (3 within 10 miles).
• Largest share of modeled toxic air from industry: W R Grace & Co (23%), mostly chromium.
• Fine particles (PM2.5) average 9.0 µg/m³; the WHO guideline is 5 and the EPA annual standard is 9.
• About 180,637 kg of agricultural pesticides are applied in the county each year.

Grades for ZIP 60103

• Superfund sites nearbyD to F
• Factories and industrial sitesD to F
• Oil and gas wellsA to B
• Parks and nature nearbyB to C
• Air qualityD to F
• Drinking water qualityC to F
• Pesticide useA to D
• Neighborhood health statusA to B
• Past wildfire impactsA
• Past flood impactsA
• Noise levelsA to D
• Radiation signalsC to D

Based on 18 census tracts · compiled October 25, 2026 · how each grade works and its sources

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