Douglas County, WI

ZIP 54874

In ZIP 54874, 3 of the 12 things we check have at least one part graded D or F.

• Drinking water: Superior Water Light & Power Company meets every EPA legal limit; 9 contaminants are above health goals, led by lead at 11× California’s Public Health Goal.
• Nearest Superfund site: St. Louis River Site, 6.2 miles away.
• Largest share of modeled toxic air from industry: Superior Refining Co LLC (51%), mostly benzene.
• Fine particles (PM2.5) average 5.9 µg/m³; the WHO guideline is 5 and the EPA annual standard is 9.
• About 1,993 kg of agricultural pesticides are applied in the county each year.

Grades for ZIP 54874

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

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

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