Brown County, WI

ZIP 54303

In ZIP 54303, 8 of the 12 things we check have at least one part graded D or F.

• Drinking water: Green Bay Waterworks has 1 contaminant at or over an EPA legal limit; 16 contaminants are above health goals, led by lead at 32× California’s Public Health Goal.
• Nearest Superfund site: Better Brite Plating Co. Chrome and Zinc Shops, 5.8 miles away.
• Largest share of modeled toxic air from industry: Astro Industries Inc (38%), mostly chromium.
• Fine particles (PM2.5) average 7.3 µg/m³; the WHO guideline is 5 and the EPA annual standard is 9.
• About 86,682 kg of agricultural pesticides are applied in the county each year.

Grades for ZIP 54303

• Superfund sites nearbyF
• Factories and industrial sitesD to F
• Oil and gas wellsA
• Parks and nature nearbyC to F
• Air qualityA to C
• Drinking water qualityC 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 13 census tracts · compiled September 10, 2026 · how each grade works and its sources

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