Sauk County, WI

ZIP 53951

In ZIP 53951, 3 of the 12 things we check have at least one part graded D or F.

• Drinking water: West Baraboo Waterworks meets every EPA legal limit; 11 contaminants are above health goals, led by arsenic at 158× California’s Public Health Goal.
• Nearest Superfund site: Sauk County Landfill, 5.0 miles away.
• Largest share of modeled toxic air from industry: Seneca Foods Corp (81%), mostly naphthalene.
• Fine particles (PM2.5) average 6.9 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 53951

• Superfund sites nearbyC to D
• Factories and industrial sitesA to B
• Oil and gas wellsA
• Parks and nature nearbyC
• Air qualityB
• Drinking water qualityA to C
• Pesticide useF
• Neighborhood health statusC to D
• Past wildfire impactsA
• Past flood impactsA
• Noise levelsA
• Radiation signalsB to C

Based on 4 census tracts · compiled October 25, 2026 · how each grade works and its sources

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