Henderson County, IL

ZIP 61437

In ZIP 61437, 2 of the 12 things we check have at least one part graded D or F.

• Drinking water: Biggsville meets every EPA legal limit; 7 contaminants are above health goals, led by bromodichloromethane at 62× California’s Public Health Goal.
• Closer to Superfund sites than 55% of U.S. neighborhoods, with no listed site within 10 miles of its center.
• Largest share of modeled toxic air from industry: Big River Resources West Burlington LLC (72%), mostly acrolein.
• Fine particles (PM2.5) average 7.1 µg/m³; the WHO guideline is 5 and the EPA annual standard is 9.
• About 203,882 kg of agricultural pesticides are applied in the county each year.

Grades for ZIP 61437

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

Based on 1 census tract · compiled October 25, 2026 · how each grade works and its sources

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