Winnebago County, IL

ZIP 61073

In ZIP 61073, 8 of the 12 things we check have at least one part graded D or F.

• Drinking water: North Park Pwd has 2 contaminants at or over an EPA legal limit; 17 contaminants are above health goals, led by lead at 84× California’s Public Health Goal.
• Nearest Superfund site: Beloit Corp., 2.6 miles away.
• Largest share of modeled toxic air from industry: Arnold Magnetic Technologies - Arnold Engineering (38%), mostly cobalt.
• Fine particles (PM2.5) average 7.3 µg/m³; the WHO guideline is 5 and the EPA annual standard is 9.
• About 190,217 kg of agricultural pesticides are applied in the county each year.

Grades for ZIP 61073

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

Based on 9 census tracts · compiled September 10, 2026 · how each grade works and its sources

Loading the full report, with every source…