Kendall County, IL

ZIP 60503

In ZIP 60503, 7 of the 12 things we check have at least one part graded D or F.

• Drinking water: Plainfield has 2 contaminants at or over an EPA legal limit; 15 contaminants are above health goals, led by lead at 111× California’s Public Health Goal.
• Nearest Superfund site: Kerr-Mcgee (kress Creek/west Branch of Dupage River), 8.5 miles away (2 within 10 miles).
• Largest share of modeled toxic air from industry: W R Grace & Co (35%), mostly chromium.
• Fine particles (PM2.5) average 8.7 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 60503

• Superfund sites nearbyA to D
• Factories and industrial sitesC to D
• Oil and gas wellsA
• Parks and nature nearbyD to F
• Air qualityC to F
• Drinking water qualityD to F
• Pesticide useD to F
• Neighborhood health statusA to B
• Past wildfire impactsA
• Past flood impactsA
• Noise levelsA
• Radiation signalsD

Based on 6 census tracts · compiled September 10, 2026 · how each grade works and its sources

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