Rock County, WI

ZIP 53546

In ZIP 53546, 8 of the 12 things we check have at least one part graded D or F.

• Drinking water: Whitewater Waterworks meets every EPA legal limit; 14 contaminants are above health goals, led by lead at 15× California’s Public Health Goal.
• Nearest Superfund site: Wheeler Pit, 2.8 miles away (3 within 10 miles).
• Largest share of modeled toxic air from industry: Evonik Industries (64%), mostly ethylene oxide.
• Fine particles (PM2.5) average 7.3 µg/m³; the WHO guideline is 5 and the EPA annual standard is 9.
• About 274,069 kg of agricultural pesticides are applied in the county each year.

Grades for ZIP 53546

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

Based on 9 census tracts · compiled September 10, 2026 · how each grade works and its sources

Loading the full report, with every source…