Milwaukee County, WI

ZIP 53206

In ZIP 53206, 8 of the 12 things we check have at least one part graded D or F.

• Drinking water: Milwaukee Waterworks meets every EPA legal limit; 11 contaminants are above health goals, led by lead at 21× California’s Public Health Goal.
• Nearest Superfund site: Moss-American Co., Inc. (kerr-Mcgee Oil Co.), 8.0 miles away (2 within 10 miles).
• Largest share of modeled toxic air from industry: Milwaukee Precision Casting (24%), mostly chromium.
• Fine particles (PM2.5) average 7.9 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 53206

• Superfund sites nearbyD
• Factories and industrial sitesF
• Oil and gas wellsA
• Parks and nature nearbyD to F
• Air qualityC to D
• Drinking water qualityD
• Pesticide useB
• Neighborhood health statusD to F
• Past wildfire impactsA
• Past flood impactsA
• Noise levelsA to D
• Radiation signalsD

Based on 18 census tracts · compiled September 10, 2026 · how each grade works and its sources

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