Dodge County, WI

ZIP 53098

In ZIP 53098, 6 of the 12 things we check have at least one part graded D or F.

• Drinking water: Hickory Hill Park Llc meets every EPA legal limit; 2 contaminants are above health goals, led by arsenic at 750× California’s Public Health Goal.
• Nearest Superfund site: Oconomowoc Electroplating Co., Inc., 5.6 miles away.
• Largest share of modeled toxic air from industry: Wisconsin Investcast (78%), mostly chromium.
• Fine particles (PM2.5) average 6.7 µg/m³; the WHO guideline is 5 and the EPA annual standard is 9.
• About 204,309 kg of agricultural pesticides are applied in the county each year.

Grades for ZIP 53098

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

Based on 6 census tracts · compiled October 25, 2026 · how each grade works and its sources

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