Manitowoc County, WI

ZIP 54220

In ZIP 54220, 7 of the 12 things we check have at least one part graded D or F.

• Drinking water: Valders Waterworks has 1 contaminant at or over an EPA legal limit; 15 contaminants are above health goals, led by pfos at 10× California’s Public Health Goal.
• Closer to Superfund sites than 91% of U.S. neighborhoods, with no listed site within 10 miles of its center.
• Largest share of modeled toxic air from industry: Jagemann Plating Co (81%), mostly chromium compounds.
• Fine particles (PM2.5) average 6.0 µg/m³; the WHO guideline is 5 and the EPA annual standard is 9.
• About 103,746 kg of agricultural pesticides are applied in the county each year.

Grades for ZIP 54220

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

Based on 13 census tracts · compiled September 10, 2026 · how each grade works and its sources

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