Milwaukee County, WI

ZIP 53221

In ZIP 53221, 6 of the 12 things we check have at least one part graded D or F.

• Drinking water: Franklin Water Utility meets every EPA legal limit; 11 contaminants are above health goals, led by pfoa at 257× California’s Public Health Goal.
• Nearest Superfund site: Fadrowski Drum Disposal, 1.4 miles away (3 within 10 miles).
• Largest share of modeled toxic air from industry: Ppg Industries Inc-Oak Creek (50%), mostly diisocyanates.
• Fine particles (PM2.5) average 8.1 µg/m³; the WHO guideline is 5 and the EPA annual standard is 9.
• About 4,052 kg of agricultural pesticides are applied in the county each year.

Grades for ZIP 53221

• Superfund sites nearbyD
• Factories and industrial sitesF
• Oil and gas wellsA
• Parks and nature nearbyB to C
• Air qualityC to D
• Drinking water qualityA to C
• Pesticide useA to B
• Neighborhood health statusB to D
• Past wildfire impactsA
• Past flood impactsA
• Noise levelsA to F
• Radiation signalsD

Based on 16 census tracts · compiled October 25, 2026 · how each grade works and its sources

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