St. Louis city, MO

ZIP 63155

In ZIP 63155, 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, 2.8 miles away (3 within 10 miles).
• Largest share of modeled toxic air from industry: Veolia N.A. Inc. (38%), mostly hydrazine.
• Fine particles (PM2.5) average 9.3 µg/m³; the WHO guideline is 5 and the EPA annual standard is 9.

Grades for ZIP 63155

• Superfund sites nearbyF
• Factories and industrial sitesF
• Oil and gas wellsD
• Parks and nature nearbyC
• Air qualityF
• Drinking water qualityC
• Neighborhood health statusA
• Past wildfire impactsA
• Past flood impactsA
• Noise levelsD
• Radiation signalsD

Based on 1 census tract · compiled October 25, 2026 · how each grade works and its sources

Loading the full report, with every source…