St. Clair County, IL

ZIP 62264

In ZIP 62264, 7 of the 12 things we check have at least one part graded D or F.

• Drinking water: S L M Water Commission meets every EPA legal limit; 13 contaminants are above health goals, led by lead at 42× California’s Public Health Goal.
• Closer to Superfund sites than 57% of U.S. neighborhoods, with no listed site within 10 miles of its center.
• Largest share of modeled toxic air from industry: Prairie State Generating Co (71%), mostly chromium compounds.
• Fine particles (PM2.5) average 7.5 µg/m³; the WHO guideline is 5 and the EPA annual standard is 9.
• About 324,443 kg of agricultural pesticides are applied in the county each year.

Grades for ZIP 62264

• Superfund sites nearbyA to C
• Factories and industrial sitesB
• Oil and gas wellsA to F
• Parks and nature nearbyC to D
• Air qualityC
• Drinking water qualityC to F
• Pesticide useF
• Neighborhood health statusC to D
• 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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