Madison County, IL

ZIP 62034

In ZIP 62034, 9 of the 12 things we check have at least one part graded D or F.

• Drinking water: North East Central Pwd has 2 contaminants at or over an EPA legal limit; 11 contaminants are above health goals, led by pfos at 4.1× California’s Public Health Goal.
• Nearest Superfund site: Old American Zinc Plant, 6.3 miles away (3 within 10 miles).
• Largest share of modeled toxic air from industry: Wood River Refinery (70%), mostly benzene.
• Fine particles (PM2.5) average 8.2 µg/m³; the WHO guideline is 5 and the EPA annual standard is 9.
• About 264,024 kg of agricultural pesticides are applied in the county each year.

Grades for ZIP 62034

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

Based on 6 census tracts · compiled September 10, 2026 · how each grade works and its sources

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