St. Clair County, IL

ZIP 62260

In ZIP 62260, 7 of the 12 things we check have at least one part graded D or F.

• Drinking water: Prairie Dupont Pwd meets every EPA legal limit; 7 contaminants are above health goals, led by bromodichloromethane at 65× California’s Public Health Goal.
• Nearest Superfund site: Sauget Area 1, 4.4 miles away (3 within 10 miles).
• Largest share of modeled toxic air from industry: Wood River Refinery (14%), 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 324,443 kg of agricultural pesticides are applied in the county each year.

Grades for ZIP 62260

• Superfund sites nearbyA to F
• Factories and industrial sitesB to D
• Oil and gas wellsD to F
• Parks and nature nearbyB to C
• Air qualityC to D
• Drinking water qualityC
• Pesticide useF
• Neighborhood health statusB to D
• Past wildfire impactsA
• Past flood impactsA
• Noise levelsA
• Radiation signalsC to D

Based on 3 census tracts · compiled October 25, 2026 · how each grade works and its sources

Loading the full report, with every source…