Washington County, WI

ZIP 53002

In ZIP 53002, 6 of the 12 things we check have at least one part graded D or F.

• Drinking water: Iron Ridge Waterworks meets every EPA legal limit; 10 contaminants are above health goals, led by lead at 81× California’s Public Health Goal.
• Nearest Superfund site: Hechimovich Sanitary Landfill, 2.6 miles away.
• Largest share of modeled toxic air from industry: Tenneco Inc. (24%), mostly chromium.
• Fine particles (PM2.5) average 6.4 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 53002

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

Based on 2 census tracts · compiled September 10, 2026 · how each grade works and its sources

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