Cook County, IL

ZIP 60457

In ZIP 60457, 7 of the 12 things we check have at least one part graded D or F.

• Drinking water: Lemont has 1 contaminant at or over an EPA legal limit; 11 contaminants are above health goals, led by lead at 42× California’s Public Health Goal.
• Nearest Superfund site: Lenz Oil Service, Inc., 3.7 miles away.
• Largest share of modeled toxic air from industry: W R Grace & Co (76%), mostly cobalt compounds.
• Fine particles (PM2.5) average 8.8 µg/m³; the WHO guideline is 5 and the EPA annual standard is 9.
• About 16,702 kg of agricultural pesticides are applied in the county each year.

Grades for ZIP 60457

• Superfund sites nearbyA to D
• Factories and industrial sitesD to F
• Oil and gas wellsA to C
• Parks and nature nearbyC to F
• Air qualityD to F
• Drinking water qualityC to F
• Pesticide useB to C
• Neighborhood health statusB to C
• Past wildfire impactsA
• Past flood impactsA
• Noise levelsA to D
• Radiation signalsD

Based on 7 census tracts · compiled September 10, 2026 · how each grade works and its sources

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