LaSalle County, IL

ZIP 61341

In ZIP 61341, 8 of the 12 things we check have at least one part graded D or F.

• Drinking water: Seneca Mobile Homes Llc has 2 contaminants at or over an EPA legal limit; 12 contaminants are above health goals, led by lead at 56× 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 (90%), mostly 1,3-butadiene.
• Fine particles (PM2.5) average 7.5 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 61341

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

Based on 5 census tracts · compiled September 10, 2026 · how each grade works and its sources

Loading the full report, with every source…