Adams County, IL

ZIP 62305

In ZIP 62305, 8 of the 12 things we check have at least one part graded D or F.

• Drinking water: Expressway Mhp meets every EPA legal limit; 4 contaminants are above health goals, led by pfos at 1.2× California’s Public Health Goal.
• Nearest Superfund site: Adams County Quincy Landfills 2&3, 6.1 miles away.
• Largest share of modeled toxic air from industry: Vibrantz Minerals LLC (61%), mostly manganese compounds.
• Fine particles (PM2.5) average 7.4 µg/m³; the WHO guideline is 5 and the EPA annual standard is 9.
• About 337,870 kg of agricultural pesticides are applied in the county each year.

Grades for ZIP 62305

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

Based on 13 census tracts · compiled October 25, 2026 · how each grade works and its sources

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