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: Green Lake Waterworks has 2 contaminants at or over an EPA legal limit; 13 contaminants are above health goals, led by pfos at 21× 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 (50%), 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 C
• Oil and gas wellsA
• Parks and nature nearbyC to D
• Air qualityA to B
• Drinking water qualityC to F
• Pesticide useF
• Neighborhood health statusC to D
• Past wildfire impactsA
• Past flood impactsA
• Noise levelsA to C
• Radiation signalsC to D

Based on 8 census tracts · compiled September 10, 2026 · how each grade works and its sources

Loading the full report, with every source…