Waukesha County, WI

ZIP 53150

In ZIP 53150, 7 of the 12 things we check have at least one part graded D or F.

• Drinking water: Stoney Creek Adult Community meets every EPA legal limit; 3 contaminants are above health goals, led by arsenic at 479× California’s Public Health Goal.
• Nearest Superfund site: Muskego Sanitary Landfill, 2.2 miles away.
• Largest share of modeled toxic air from industry: Ppg Industries Inc-Oak Creek (31%), mostly chromium.
• Fine particles (PM2.5) average 7.8 µg/m³; the WHO guideline is 5 and the EPA annual standard is 9.
• About 69,527 kg of agricultural pesticides are applied in the county each year.

Grades for ZIP 53150

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

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

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