Sauk County, WI

ZIP 53941

In ZIP 53941, 5 of the 12 things we check have at least one part graded D or F.

• Drinking water: La Valle Waterworks has 5 contaminants at or over an EPA legal limit; 15 contaminants are above health goals, led by benzene at 1,235× California’s Public Health Goal.
• Nearest Superfund site: Sauk County Landfill, 4.2 miles away.
• Largest share of modeled toxic air from industry: Wabash (Walker Stainless Equipment Co) (23%), mostly chromium.
• Fine particles (PM2.5) average 6.8 µg/m³; the WHO guideline is 5 and the EPA annual standard is 9.
• About 162,947 kg of agricultural pesticides are applied in the county each year.

Grades for ZIP 53941

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

Based on 6 census tracts · compiled September 10, 2026 · how each grade works and its sources

Loading the full report, with every source…