Dunn County, WI

ZIP 54730

In ZIP 54730, 5 of the 12 things we check have at least one part graded D or F.

• Drinking water: Eau Claire Waterworks has 1 contaminant at or over an EPA legal limit; 12 contaminants are above health goals, led by pfos at 5× California’s Public Health Goal.
• Nearest Superfund site: Eau Claire Municipal Well Field, 5.1 miles away (2 within 10 miles).
• Largest share of modeled toxic air from industry: Lippert (69%), mostly chromium.
• Fine particles (PM2.5) average 6.9 µg/m³; the WHO guideline is 5 and the EPA annual standard is 9.
• About 191,890 kg of agricultural pesticides are applied in the county each year.

Grades for ZIP 54730

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

Based on 5 census tracts · compiled September 10, 2026 · how each grade works and its sources

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