McLean County, IL

ZIP 61701

In ZIP 61701, 8 of the 12 things we check have at least one part graded D or F.

• Drinking water: Normal meets every EPA legal limit; 13 contaminants are above health goals, led by pfos at 2.5× California’s Public Health Goal.
• Closer to Superfund sites than 0% of U.S. neighborhoods, with no listed site within 10 miles of its center.
• Largest share of modeled toxic air from industry: Parsons Co Inc (84%), mostly chromium.
• Fine particles (PM2.5) average 7.9 µg/m³; the WHO guideline is 5 and the EPA annual standard is 9.
• About 699,369 kg of agricultural pesticides are applied in the county each year.

Grades for ZIP 61701

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

Based on 14 census tracts · compiled September 10, 2026 · how each grade works and its sources

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