Winnebago County, WI

ZIP 54971

In ZIP 54971, 6 of the 12 things we check have at least one part graded D or F.

• Drinking water: Princeton Waterworks has 1 contaminant at or over an EPA legal limit; 6 contaminants are above health goals, led by bromodichloromethane at 9.6× California’s Public Health Goal.
• Nearest Superfund site: Ripon City Landfill, 1.6 miles away.
• Largest share of modeled toxic air from industry: Alliance Laundry Systems LLC Stanton Plant (94%), mostly chromium.
• Fine particles (PM2.5) average 6.7 µg/m³; the WHO guideline is 5 and the EPA annual standard is 9.
• About 82,862 kg of agricultural pesticides are applied in the county each year.

Grades for ZIP 54971

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

Based on 8 census tracts · compiled October 25, 2026 · how each grade works and its sources

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