DeKalb County, IL

ZIP 60135

In ZIP 60135, 7 of the 12 things we check have at least one part graded D or F.

• Drinking water: Marengo meets every EPA legal limit; 12 contaminants are above health goals, led by lead at 41× California’s Public Health Goal.
• Nearest Superfund site: Mig/dewane Landfill, 1.3 miles away (3 within 10 miles).
• Largest share of modeled toxic air from industry: Arnold Magnetic Technologies - Arnold Engineering (94%), mostly cobalt.
• Fine particles (PM2.5) average 6.7 µg/m³; the WHO guideline is 5 and the EPA annual standard is 9.
• About 211,541 kg of agricultural pesticides are applied in the county each year.

Grades for ZIP 60135

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

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

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