St. Louis County, MO

ZIP 63040

In ZIP 63040, 7 of the 12 things we check have at least one part graded D or F.

• Drinking water: Franklin County Pwsd 3 St Albans meets every EPA legal limit; 5 contaminants are above health goals, led by lead at 18× California’s Public Health Goal.
• Nearest Superfund site: Ellisville Site, 3.2 miles away (3 within 10 miles).
• Largest share of modeled toxic air from industry: Ameren Missouri Labadie Energy Center (31%), mostly chromium compounds.
• Fine particles (PM2.5) average 7.9 µg/m³; the WHO guideline is 5 and the EPA annual standard is 9.
• About 18,909 kg of agricultural pesticides are applied in the county each year.

Grades for ZIP 63040

• Superfund sites nearbyF
• Factories and industrial sitesB
• Oil and gas wellsB
• Parks and nature nearbyC to D
• Air qualityB to D
• Drinking water qualityC to D
• Pesticide useB to D
• Neighborhood health statusB
• Past wildfire impactsA
• Past flood impactsA to F
• Noise levelsA
• Radiation signalsC to D

Based on 4 census tracts · compiled September 10, 2026 · how each grade works and its sources

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