Grundy County, IL

ZIP 60407

In ZIP 60407, 6 of the 12 things we check have at least one part graded D or F.

• Drinking water: Coal City has 1 contaminant at or over an EPA legal limit; 10 contaminants are above health goals, led by lithium at 15× the USGS health-based screening level.
• Nearest Superfund site: Joliet Army Ammunition Plant (manufacturing Area), 9.2 miles away.
• Largest share of modeled toxic air from industry: Exxonmobil Oil Corp Joliet Refinery (46%), 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 218,395 kg of agricultural pesticides are applied in the county each year.

Grades for ZIP 60407

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

Based on 3 census tracts · compiled October 25, 2026 · how each grade works and its sources

Loading the full report, with every source…