Waukesha County, WI

ZIP 53118

In ZIP 53118, 5 of the 12 things we check have at least one part graded D or F.

• Drinking water: Prairie Village Water Trust has 1 contaminant at or over an EPA legal limit; 14 contaminants are above health goals, led by pfos at 11× California’s Public Health Goal.
• Closer to Superfund sites than 54% of U.S. neighborhoods, with no listed site within 10 miles of its center.
• Largest share of modeled toxic air from industry: Fisher-Barton Specialty Products (15%), mostly chromium.
• Fine particles (PM2.5) average 6.7 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 53118

• Superfund sites nearbyA to C
• Factories and industrial sitesC
• Oil and gas wellsA
• Parks and nature nearbyC
• Air qualityA to B
• Drinking water qualityB to F
• Pesticide useD to F
• Neighborhood health statusC to D
• 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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