Jefferson County, WI

ZIP 53178

In ZIP 53178, 4 of the 12 things we check have at least one part graded D or F.

• Drinking water: Tremain Mobile Home Park has 1 contaminant at or over an EPA legal limit; 4 contaminants are above health goals, led by lead at 9.1× California’s Public Health Goal.
• Closer to Superfund sites than 54% of U.S. neighborhoods, with no listed site within 10 miles of its center.
• Largest share of modeled toxic air from industry: Evonik Corp (29%), mostly ethylene oxide.
• Fine particles (PM2.5) average 6.7 µg/m³; the WHO guideline is 5 and the EPA annual standard is 9.
• About 204,309 kg of agricultural pesticides are applied in the county each year.

Grades for ZIP 53178

• Superfund sites nearbyA to C
• Factories and industrial sitesC
• Oil and gas wellsA
• Parks and nature nearbyC
• Air qualityB
• Drinking water qualityD
• Pesticide useF
• Neighborhood health statusD
• 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

Loading the full report, with every source…