St. Louis County, MO

ZIP 63122

In ZIP 63122, 9 of the 12 things we check have at least one part graded D or F.

• Drinking water: Kirkwood Pws meets every EPA legal limit; 11 contaminants are above health goals, led by lead at 813× California’s Public Health Goal.
• Nearest Superfund site: Valley Park TCE, 0.8 miles away (3 within 10 miles).
• Largest share of modeled toxic air from industry: Control Devices (66%), mostly cobalt.
• Fine particles (PM2.5) average 9.0 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 63122

• Superfund sites nearbyA to F
• Factories and industrial sitesC to D
• Oil and gas wellsA to C
• Parks and nature nearbyD to F
• Air qualityF
• Drinking water qualityC to F
• Pesticide useB to D
• Neighborhood health statusB to D
• Past wildfire impactsA
• Past flood impactsC to F
• Noise levelsA to D
• Radiation signalsC

Based on 19 census tracts · compiled September 10, 2026 · how each grade works and its sources

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