Madison County, IL

ZIP 62026

In ZIP 62026, 6 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: Chemetco, 4.7 miles away (2 within 10 miles).
• Largest share of modeled toxic air from industry: Wood River Refinery (70%), mostly benzene.
• Fine particles (PM2.5) average 7.8 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 62026

• Superfund sites nearbyD
• Factories and industrial sitesD
• Oil and gas wellsB
• Parks and nature nearbyD
• Air qualityC
• Drinking water qualityD to F
• Pesticide useF
• Neighborhood health statusB
• Past wildfire impactsA
• Past flood impactsA
• Noise levelsA
• Radiation signalsD

Based on 1 census tract · compiled September 10, 2026 · how each grade works and its sources

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