St. Clair County, IL

ZIP 62206

In ZIP 62206, 7 of the 12 things we check have at least one part graded D or F.

• Drinking water: St Louis City Pws meets every EPA legal limit; 11 contaminants are above health goals, led by pfoa at 286× California’s Public Health Goal.
• Nearest Superfund site: Sauget Area 1, 2.5 miles away (3 within 10 miles).
• Largest share of modeled toxic air from industry: Occidental Chemical Corp Sauget Plant (14%), mostly hydrazine.
• Fine particles (PM2.5) average 9.0 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 62206

• Superfund sites nearbyF
• Factories and industrial sitesF
• Oil and gas wellsF
• Parks and nature nearbyC
• Air qualityD to F
• Drinking water qualityC
• Pesticide useD to F
• Neighborhood health statusF
• Past wildfire impactsA
• Past flood impactsA
• Noise levelsA
• Radiation signalsD

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

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