St. Louis County, MO

ZIP 63128

In ZIP 63128, 7 of the 12 things we check have at least one part graded D or F.

• Drinking water: Jefferson County Pwsd 3 meets every EPA legal limit; 11 contaminants are above health goals, led by lead at 19× California’s Public Health Goal.
• Nearest Superfund site: Minker/stout/romaine Creek, 5.3 miles away (2 within 10 miles).
• Largest share of modeled toxic air from industry: Metaltek International Inc. (27%), mostly chromium compounds.
• Fine particles (PM2.5) average 8.9 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 63128

• Superfund sites nearbyD to F
• Factories and industrial sitesB to C
• Oil and gas wellsB to C
• Parks and nature nearbyD to F
• Air qualityD to F
• Drinking water qualityD
• Pesticide useB to C
• Neighborhood health statusC to D
• Past wildfire impactsA
• Past flood impactsF
• Noise levelsA to D
• Radiation signalsC

Based on 8 census tracts · compiled September 10, 2026 · how each grade works and its sources

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