LaSalle County, IL

ZIP 61373

In ZIP 61373, 9 of the 12 things we check have at least one part graded D or F.

• Drinking water: Ottawa meets every EPA legal limit; 15 contaminants are above health goals, led by lead at 40× 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: Eakas Corp (28%), mostly manganese compounds.
• Fine particles (PM2.5) average 7.3 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 61373

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

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

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