DuPage County, IL

ZIP 60516

In ZIP 60516, 7 of the 12 things we check have at least one part graded D or F.

• Drinking water: Darien meets every EPA legal limit; 12 contaminants are above health goals, led by lead at 610× California’s Public Health Goal.
• Nearest Superfund site: Lenz Oil Service, Inc., 7.4 miles away (3 within 10 miles).
• Largest share of modeled toxic air from industry: W R Grace & Co (46%), mostly cobalt compounds.
• Fine particles (PM2.5) average 9.0 µg/m³; the WHO guideline is 5 and the EPA annual standard is 9.
• About 9,022 kg of agricultural pesticides are applied in the county each year.

Grades for ZIP 60516

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

Based on 14 census tracts · compiled September 10, 2026 · how each grade works and its sources

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