St. Louis County, MO
ZIP 63134
In ZIP 63134, 9 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: St. Louis Airport/hazelwood Interim Storage/futura Coatings Co., 1.7 miles away (2 within 10 miles).
- Largest share of modeled toxic air from industry: The Boeing Co (33%), mostly trichloroethylene.
- Fine particles (PM2.5) average 9.2 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 63134
- Superfund sites nearbyD to F
- Factories and industrial sitesD to F
- Oil and gas wellsB to F
- Parks and nature nearbyF
- Air qualityF
- Drinking water qualityD
- Pesticide useB to C
- Neighborhood health statusD to F
- Past wildfire impactsA
- Past flood impactsA
- Noise levelsA to F
- Radiation signalsC to D
Based on 10 census tracts · compiled September 10, 2026 · how each grade works and its sources
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