Marathon County, WI

ZIP 54476

In ZIP 54476, 8 of the 12 things we check have at least one part graded D or F.

• Drinking water: Weston Municipal Utilities has 1 contaminant at or over an EPA legal limit; 16 contaminants are above health goals, led by pfos at 6.4× California’s Public Health Goal.
• Nearest Superfund site: Wausau Ground Water Contamination, 6.1 miles away.
• Largest share of modeled toxic air from industry: Veritas Steel (55%), mostly chromium.
• Fine particles (PM2.5) average 7.3 µg/m³; the WHO guideline is 5 and the EPA annual standard is 9.
• About 185,897 kg of agricultural pesticides are applied in the county each year.

Grades for ZIP 54476

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

Based on 7 census tracts · compiled September 10, 2026 · how each grade works and its sources

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