Franklin County, MO

ZIP 63039

In ZIP 63039, 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: Times Beach, 9.1 miles away.
• Largest share of modeled toxic air from industry: Plaze Inc (58%), mostly trichloroethylene.
• Fine particles (PM2.5) average 7.1 µg/m³; the WHO guideline is 5 and the EPA annual standard is 9.
• About 72,822 kg of agricultural pesticides are applied in the county each year.

Grades for ZIP 63039

• Superfund sites nearbyC to D
• Factories and industrial sitesC
• Oil and gas wellsA to B
• Parks and nature nearbyB to C
• Air qualityB
• Drinking water qualityA to C
• Pesticide useD
• Neighborhood health statusC to F
• Past wildfire impactsA
• Past flood impactsF
• Noise levelsA
• Radiation signalsC to D

Based on 2 census tracts · compiled October 25, 2026 · how each grade works and its sources

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