Milwaukee County, WI

ZIP 53226

In ZIP 53226, 6 of the 12 things we check have at least one part graded D or F.

• Drinking water: Brookfield Water Utility has 1 contaminant at or over an EPA legal limit; 13 contaminants are above health goals, led by pfos at 1.2× California’s Public Health Goal.
• Nearest Superfund site: Waste Management of Wisconsin, Inc. (brookfield Sanitary Landfill), 5.5 miles away (3 within 10 miles).
• Largest share of modeled toxic air from industry: Milwaukee Precision Casting (24%), mostly chromium.
• Fine particles (PM2.5) average 8.0 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 53226

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

Based on 11 census tracts · compiled October 25, 2026 · how each grade works and its sources

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