St. Louis city, MO

ZIP 63110

In ZIP 63110, 6 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 2, 3.2 miles away (3 within 10 miles).
• Largest share of modeled toxic air from industry: Sigma-Aldrich Manufacturing LLC (24%), mostly chloroform.
• Fine particles (PM2.5) average 9.3 µg/m³; the WHO guideline is 5 and the EPA annual standard is 9.

Grades for ZIP 63110

• Superfund sites nearbyD to F
• Factories and industrial sitesF
• Oil and gas wellsA to D
• Parks and nature nearbyC
• Air qualityF
• Drinking water qualityC
• Neighborhood health statusA to C
• Past wildfire impactsA
• Past flood impactsA to C
• Noise levelsA to F
• Radiation signalsB to D

Based on 14 census tracts · compiled October 25, 2026 · how each grade works and its sources

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