Ozaukee County, WI

ZIP 53092

In ZIP 53092, 5 of the 12 things we check have at least one part graded D or F.

• Drinking water: Heidel Rd Apts 139 meets every EPA legal limit; 2 contaminants are above health goals, led by lead at 31× California’s Public Health Goal.
• Nearest Superfund site: Amcast Industrial Corporation, 5.9 miles away (3 within 10 miles).
• Largest share of modeled toxic air from industry: Milwaukee Precision Casting (21%), mostly chromium.
• Fine particles (PM2.5) average 6.8 µg/m³; the WHO guideline is 5 and the EPA annual standard is 9.
• About 46,790 kg of agricultural pesticides are applied in the county each year.

Grades for ZIP 53092

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

Based on 5 census tracts · compiled September 10, 2026 · how each grade works and its sources

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