St. Francois County, MO

ZIP 63637

In ZIP 63637, 6 of the 12 things we check have at least one part graded D or F.

• Drinking water: Farmington Correctional Center meets every EPA legal limit; 12 contaminants are above health goals, led by lead at 26× California’s Public Health Goal.
• Nearest Superfund site: Big River Mine Tailings/st. Joe Minerals Corp., 6.9 miles away.
• Largest share of modeled toxic air from industry: Missouri Cobalt (54%), mostly cobalt.
• Fine particles (PM2.5) average 6.3 µg/m³; the WHO guideline is 5 and the EPA annual standard is 9.
• About 8,728 kg of agricultural pesticides are applied in the county each year.

Grades for ZIP 63637

• Superfund sites nearbyF
• Factories and industrial sitesA
• Oil and gas wellsA to B
• Parks and nature nearbyC
• Air qualityA
• Drinking water qualityC to D
• Pesticide useD
• Neighborhood health statusD to F
• Past wildfire impactsA
• Past flood impactsF
• Noise levelsA
• Radiation signalsF

Based on 2 census tracts · compiled September 10, 2026 · how each grade works and its sources

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