Waukesha County, WI

ZIP 53089

In ZIP 53089, 7 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, 3.2 miles away (3 within 10 miles).
• Largest share of modeled toxic air from industry: Northern Stainless Corp (23%), 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 53089

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

Based on 6 census tracts · compiled September 10, 2026 · how each grade works and its sources

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