Manitowoc County, WI

ZIP 54227

In ZIP 54227, 4 of the 12 things we check have at least one part graded D or F.

• Drinking water: Kellnersville Waterworks meets every EPA legal limit; 11 contaminants are above health goals, led by arsenic at 91× California’s Public Health Goal.
• Nearest Superfund site: Lemberger Landfill, Inc., 6.3 miles away (2 within 10 miles).
• Largest share of modeled toxic air from industry: Ahlstrom Na Specialty Solutions LLC (20%), mostly chromium.
• 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 54227

• Superfund sites nearbyD
• Factories and industrial sitesB
• Oil and gas wellsA
• Parks and nature nearbyC
• Air qualityA
• Drinking water qualityC
• Pesticide useF
• Neighborhood health statusD
• Past wildfire impactsA
• Past flood impactsA
• Noise levelsD
• Radiation signalsC

Based on 1 census tract · compiled October 25, 2026 · how each grade works and its sources

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