Walworth County, WI

ZIP 53176

In ZIP 53176, 3 of the 12 things we check have at least one part graded D or F.

• Drinking water: Elkhorn Waterworks has 1 contaminant at or over an EPA legal limit; 9 contaminants are above health goals, led by arsenic at 3,339× California’s Public Health Goal.
• Nearest Superfund site: Delavan Municipal Well #4, 9.8 miles away.
• Largest share of modeled toxic air from industry: Arnold Magnetic Technologies - Arnold Engineering (32%), mostly cobalt.
• Fine particles (PM2.5) average 6.6 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 53176

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

Based on 1 census tract · compiled October 25, 2026 · how each grade works and its sources

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