St. Louis County, MO

ZIP 63017

In ZIP 63017, 7 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: Ellisville Site, 2.3 miles away (3 within 10 miles).
• Largest share of modeled toxic air from industry: Control Devices (21%), mostly chromium compounds.
• Fine particles (PM2.5) average 8.7 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 63017

• Superfund sites nearbyC to F
• Factories and industrial sitesC to D
• Oil and gas wellsA to C
• Parks and nature nearbyC to F
• Air qualityD
• Drinking water qualityD
• Pesticide useB to D
• Neighborhood health statusA to C
• Past wildfire impactsA
• Past flood impactsA to D
• Noise levelsA
• Radiation signalsC

Based on 15 census tracts · compiled September 10, 2026 · how each grade works and its sources

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