St. Louis County, MO

ZIP 63038

In ZIP 63038, 5 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; 10 contaminants are above health goals, led by lithium at 3.8× the USGS health-based screening level.
• 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 63038

• Superfund sites nearbyF
• Factories and industrial sitesA to B
• Oil and gas wellsA to B
• Parks and nature nearbyB to D
• Air qualityB to D
• Drinking water qualityA to C
• Pesticide useA to C
• Neighborhood health statusA to B
• Past wildfire impactsA
• Past flood impactsA to F
• Noise levelsA
• Radiation signalsC to D

Based on 7 census tracts · compiled October 25, 2026 · how each grade works and its sources

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