Washington County, WI

ZIP 53090

In ZIP 53090, 6 of the 12 things we check have at least one part graded D or F.

• Drinking water: Saukville Waterworks has 1 contaminant at or over an EPA legal limit; 12 contaminants are above health goals, led by pfos at 15× California’s Public Health Goal.
• Nearest Superfund site: Amcast Industrial Corporation, 7.9 miles away.
• Largest share of modeled toxic air from industry: Regal Ware West Bend (81%), mostly chromium.
• Fine particles (PM2.5) average 6.8 µg/m³; the WHO guideline is 5 and the EPA annual standard is 9.
• About 77,662 kg of agricultural pesticides are applied in the county each year.

Grades for ZIP 53090

• Superfund sites nearbyA to D
• Factories and industrial sitesB to C
• Oil and gas wellsA
• Parks and nature nearbyC to D
• Air qualityA to B
• Drinking water qualityD to F
• Pesticide useD to F
• Neighborhood health statusC to D
• Past wildfire impactsA
• Past flood impactsA
• Noise levelsA to C
• Radiation signalsD

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

Loading the full report, with every source…