Door County, WI

ZIP 54235

In ZIP 54235, 6 of the 12 things we check have at least one part graded D or F.

• Drinking water: Sturgeon Bay Waterworks meets every EPA legal limit; 15 contaminants are above health goals, led by pfos at 2.7× California’s Public Health Goal.
• Closer to Superfund sites than 95% of U.S. neighborhoods, with no listed site within 10 miles of its center.
• Largest share of modeled toxic air from industry: L.E. Jones Co LLC (28%), mostly cobalt.
• Fine particles (PM2.5) average 5.9 µg/m³; the WHO guideline is 5 and the EPA annual standard is 9.
• About 82,628 kg of agricultural pesticides are applied in the county each year.

Grades for ZIP 54235

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

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

Loading the full report, with every source…