Sauk County, WI

ZIP 53913

In ZIP 53913, 6 of the 12 things we check have at least one part graded D or F.

• Drinking water: Reedsburg Waterworks meets every EPA legal limit; 11 contaminants are above health goals, led by lead at 42× California’s Public Health Goal.
• Nearest Superfund site: Sauk County Landfill, 5.0 miles away.
• Largest share of modeled toxic air from industry: Milwaukee Valve Co LLC (77%), mostly nickel.
• Fine particles (PM2.5) average 7.3 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 53913

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

Based on 11 census tracts · compiled September 10, 2026 · how each grade works and its sources

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