LaSalle County, IL

ZIP 60537

In ZIP 60537, 5 of the 12 things we check have at least one part graded D or F.

• Drinking water: Ottawa meets every EPA legal limit; 10 contaminants are above health goals, led by arsenic at 540× California’s Public Health Goal.
• Nearest Superfund site: Ottawa Radiation Areas, 7.2 miles away.
• Largest share of modeled toxic air from industry: Sabic Innovative Plastics US LLC (91%), mostly 1,3-butadiene.
• Fine particles (PM2.5) average 7.4 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 60537

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

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

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