LaSalle County, IL

ZIP 61370

In ZIP 61370, 6 of the 12 things we check have at least one part graded D or F.

• Drinking water: Wenona meets every EPA legal limit; 9 contaminants are above health goals, led by lead at 78× California’s Public Health Goal.
• Nearest Superfund site: Ottawa Radiation Areas, 6.1 miles away.
• Largest share of modeled toxic air from industry: Sabic Innovative Plastics US LLC (66%), mostly 1,3-butadiene.
• Fine particles (PM2.5) average 7.2 µg/m³; the WHO guideline is 5 and the EPA annual standard is 9.
• About 606,730 kg of agricultural pesticides are applied in the county each year.

Grades for ZIP 61370

• Superfund sites nearbyC to D
• Factories and industrial sitesC
• Oil and gas wellsA to C
• Parks and nature nearbyD to F
• Air qualityC
• Drinking water qualityD to F
• Pesticide useF
• Neighborhood health statusC to D
• Past wildfire impactsA
• Past flood impactsA
• Noise levelsA
• Radiation signalsD

Based on 2 census tracts · compiled September 10, 2026 · how each grade works and its sources

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