Grundy County, IL

ZIP 60416

In ZIP 60416, 8 of the 12 things we check have at least one part graded D or F.

• Drinking water: Wilmington has 2 contaminants at or over an EPA legal limit; 16 contaminants are above health goals, led by lead at 33× California’s Public Health Goal.
• Nearest Superfund site: Joliet Army Ammunition Plant (manufacturing Area), 4.1 miles away (3 within 10 miles).
• Largest share of modeled toxic air from industry: Exxonmobil Oil Corp Joliet Refinery (49%), 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 248,146 kg of agricultural pesticides are applied in the county each year.

Grades for ZIP 60416

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

Based on 3 census tracts · compiled September 10, 2026 · how each grade works and its sources

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