St. Francois County, MO

ZIP 63628

In ZIP 63628, 7 of the 12 things we check have at least one part graded D or F.

• Drinking water: Lake Seven Falls Assn Inc has 1 contaminant at or over an EPA legal limit; 2 contaminants are above health goals, led by lead at 7.3× California’s Public Health Goal.
• Nearest Superfund site: Washington County Lead District - Potosi, 4.1 miles away.
• Largest share of modeled toxic air from industry: Buick Resource Recycling Facility LLC (93%), mostly arsenic compounds.
• Fine particles (PM2.5) average 6.7 µg/m³; the WHO guideline is 5 and the EPA annual standard is 9.
• About 45,599 kg of agricultural pesticides are applied in the county each year.

Grades for ZIP 63628

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

Based on 9 census tracts · compiled October 25, 2026 · how each grade works and its sources

Loading the full report, with every source…