Grundy County, IL

ZIP 60450

In ZIP 60450, 8 of the 12 things we check have at least one part graded D or F.

• Drinking water: Joliet meets every EPA legal limit; 19 contaminants are above health goals, led by lead at 37× California’s Public Health Goal.
• Closer to Superfund sites than 62% of U.S. neighborhoods, with no listed site within 10 miles of its center.
• Largest share of modeled toxic air from industry: Exxonmobil Oil Corp Joliet Refinery (56%), mostly sulfuric acid.
• Fine particles (PM2.5) average 7.5 µg/m³; the WHO guideline is 5 and the EPA annual standard is 9.
• About 161,865 kg of agricultural pesticides are applied in the county each year.

Grades for ZIP 60450

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

Based on 9 census tracts · compiled September 10, 2026 · how each grade works and its sources

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