Bayfield County, WI

ZIP 54891

In ZIP 54891, 5 of the 12 things we check have at least one part graded D or F.

• Drinking water: Pikes Bay Marina meets every EPA legal limit; 3 contaminants are above health goals, led by lead at 22× California’s Public Health Goal.
• Nearest Superfund site: Ashland/northern States Power Lakefront, 8.6 miles away.
• Largest share of modeled toxic air from industry: C. G. Bretting Manufacturing Co. Inc. (98%), mostly manganese.
• Fine particles (PM2.5) average 5.3 µg/m³; the WHO guideline is 5 and the EPA annual standard is 9.
• About 10,365 kg of agricultural pesticides are applied in the county each year.

Grades for ZIP 54891

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

Based on 2 census tracts · compiled September 10, 2026 · how each grade works and its sources

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