Portage County, WI

ZIP 54482

In ZIP 54482, 7 of the 12 things we check have at least one part graded D or F.

• Drinking water: Amherst Waterworks meets every EPA legal limit; 10 contaminants are above health goals, led by lead at 56× California’s Public Health Goal.
• Closer to Superfund sites than 68% of U.S. neighborhoods, with no listed site within 10 miles of its center.
• Largest share of modeled toxic air from industry: Felker Brothers Corp (34%), mostly chromium.
• Fine particles (PM2.5) average 7.1 µg/m³; the WHO guideline is 5 and the EPA annual standard is 9.
• About 836,979 kg of agricultural pesticides are applied in the county each year.

Grades for ZIP 54482

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

Based on 6 census tracts · compiled September 10, 2026 · how each grade works and its sources

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