Milwaukee County, WI

ZIP 53211

In ZIP 53211, 6 of the 12 things we check have at least one part graded D or F.

• Drinking water: Williamsburg 207 209 And 214 meets every EPA legal limit; 2 contaminants are above health goals, led by arsenic at 530× California’s Public Health Goal.
• Nearest Superfund site: Moss-American Co., Inc. (kerr-Mcgee Oil Co.), 9.8 miles away.
• Largest share of modeled toxic air from industry: Milwaukee Precision Casting (36%), 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 53211

• Superfund sites nearbyC to F
• Factories and industrial sitesD to F
• Oil and gas wellsA
• Parks and nature nearbyB to C
• Air qualityB to D
• Drinking water qualityB to C
• Pesticide useA to B
• Neighborhood health statusA to D
• Past wildfire impactsA
• Past flood impactsA
• Noise levelsA to D
• Radiation signalsD

Based on 14 census tracts · compiled October 25, 2026 · how each grade works and its sources

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