Mercer County, IL

ZIP 61412

In ZIP 61412, 5 of the 12 things we check have at least one part graded D or F.

• Drinking water: Alexis has 2 contaminants at or over an EPA legal limit; 15 contaminants are above health goals, led by lead at 94× California’s Public Health Goal.
• Nearest Superfund site: Galesburg/koppers Co., 8.0 miles away.
• Largest share of modeled toxic air from industry: Big River Resources Galva LLC (57%), mostly acrolein.
• Fine particles (PM2.5) average 7.3 µg/m³; the WHO guideline is 5 and the EPA annual standard is 9.
• About 346,963 kg of agricultural pesticides are applied in the county each year.

Grades for ZIP 61412

• Superfund sites nearbyA to C
• Factories and industrial sitesB to C
• Oil and gas wellsA
• Parks and nature nearbyD
• Air qualityB to C
• Drinking water qualityD to F
• Pesticide useF
• Neighborhood health statusD
• Past wildfire impactsA
• Past flood impactsC
• Noise levelsA
• Radiation signalsD

Based on 3 census tracts · compiled September 10, 2026 · how each grade works and its sources

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