McLean County, IL

ZIP 61720

In ZIP 61720, 5 of the 12 things we check have at least one part graded D or F.

• Drinking water: Meadows Mennonite Home meets every EPA legal limit; 8 contaminants are above health goals, led by arsenic at 575× 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 (73%), mostly chromium.
• Fine particles (PM2.5) average 7.3 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 61720

• Superfund sites nearbyA
• Factories and industrial sitesC to D
• Oil and gas wellsA to C
• Parks and nature nearbyC
• Air qualityB to C
• Drinking water qualityA to C
• Pesticide useF
• Neighborhood health statusC to D
• Past wildfire impactsA
• Past flood impactsA
• Noise levelsA to D
• Radiation signalsF

Based on 3 census tracts · compiled October 25, 2026 · how each grade works and its sources

Loading the full report, with every source…