Waukesha County, WI

ZIP 53051

In ZIP 53051, 8 of the 12 things we check have at least one part graded D or F.

• Drinking water: Willow Springs Mhp 2 & 3 has 1 contaminant at or over an EPA legal limit; 7 contaminants are above health goals, led by pfos at 25× California’s Public Health Goal.
• Nearest Superfund site: Master Disposal Service Landfill, 1.1 miles away (3 within 10 miles).
• Largest share of modeled toxic air from industry: Scan-Pac Manufacturing Inc (21%), mostly chromium.
• Fine particles (PM2.5) average 7.3 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 53051

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

Based on 12 census tracts · compiled September 10, 2026 · how each grade works and its sources

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