St. Louis city, MO

ZIP 63111

In ZIP 63111, 8 of the 12 things we check have at least one part graded D or F.

• Drinking water: Mo American St Louis St Charles Counties meets every EPA legal limit; 18 contaminants are above health goals, led by lead at 13× California’s Public Health Goal.
• Nearest Superfund site: Sauget Area 2, 2.9 miles away (3 within 10 miles).
• Largest share of modeled toxic air from industry: Control Devices (20%), mostly chloroform.
• Fine particles (PM2.5) average 9.2 µg/m³; the WHO guideline is 5 and the EPA annual standard is 9.

Grades for ZIP 63111

• Superfund sites nearbyD to F
• Factories and industrial sitesD to F
• Oil and gas wellsD to F
• Parks and nature nearbyD to F
• Air qualityF
• Drinking water qualityD
• Neighborhood health statusC to F
• Past wildfire impactsA
• Past flood impactsA to C
• Noise levelsA to D
• Radiation signalsC

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

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