St. Croix County, WI

ZIP 54025

In ZIP 54025, 5 of the 12 things we check have at least one part graded D or F.

• Drinking water: Country View Holdings Llc meets every EPA legal limit; 2 contaminants are above health goals, led by lead at 31× California’s Public Health Goal.
• Nearest Superfund site: Baytown Township Ground Water Plume, 6.5 miles away.
• Largest share of modeled toxic air from industry: Andersen Corp (66%), mostly cobalt compounds.
• Fine particles (PM2.5) average 7.8 µg/m³; the WHO guideline is 5 and the EPA annual standard is 9.
• About 135,744 kg of agricultural pesticides are applied in the county each year.

Grades for ZIP 54025

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

Based on 3 census tracts · compiled September 10, 2026 · how each grade works and its sources

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