LaSalle County, IL

ZIP 61342

In ZIP 61342, 8 of the 12 things we check have at least one part graded D or F.

• Drinking water: West Brooklyn meets every EPA legal limit; 6 contaminants are above health goals, led by arsenic at 631× California’s Public Health Goal.
• Nearest Superfund site: Ottawa Radiation Areas, 4.7 miles away (3 within 10 miles).
• Largest share of modeled toxic air from industry: Allied-Locke Industries Inc (38%), mostly chromium.
• Fine particles (PM2.5) average 7.3 µg/m³; the WHO guideline is 5 and the EPA annual standard is 9.
• About 472,122 kg of agricultural pesticides are applied in the county each year.

Grades for ZIP 61342

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

Based on 7 census tracts · compiled October 25, 2026 · how each grade works and its sources

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