Jefferson County, MO

ZIP 63025

In ZIP 63025, 5 of the 12 things we check have at least one part graded D or F.

• Drinking water: Jefferson County Pwsd 2 meets every EPA legal limit; 10 contaminants are above health goals, led by pfos at 1.9× California’s Public Health Goal.
• Nearest Superfund site: Times Beach, 4.2 miles away (2 within 10 miles).
• Largest share of modeled toxic air from industry: Ameren Missouri Labadie Energy Center (30%), mostly chromium compounds.
• Fine particles (PM2.5) average 8.3 µg/m³; the WHO guideline is 5 and the EPA annual standard is 9.
• About 17,788 kg of agricultural pesticides are applied in the county each year.

Grades for ZIP 63025

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

Based on 6 census tracts · compiled October 25, 2026 · how each grade works and its sources

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