Walworth County, WI

ZIP 53125

In ZIP 53125, 7 of the 12 things we check have at least one part graded D or F.

• Drinking water: Bloomfield, Village Of meets every EPA legal limit; 8 contaminants are above health goals, led by lead at 36× California’s Public Health Goal.
• Nearest Superfund site: Delavan Municipal Well #4, 5.1 miles away.
• Largest share of modeled toxic air from industry: Arnold Magnetic Technologies - Arnold Engineering (46%), mostly cobalt.
• Fine particles (PM2.5) average 6.7 µg/m³; the WHO guideline is 5 and the EPA annual standard is 9.
• About 187,205 kg of agricultural pesticides are applied in the county each year.

Grades for ZIP 53125

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

Based on 4 census tracts · compiled September 10, 2026 · how each grade works and its sources

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