Dane County, WI

ZIP 53515

In ZIP 53515, 4 of the 12 things we check have at least one part graded D or F.

• Drinking water: Mazomanie Waterworks has 1 contaminant at or over an EPA legal limit; 9 contaminants are above health goals, led by pfoa at 43× California’s Public Health Goal.
• Nearest Superfund site: Refuse Hideaway Landfill, 4.2 miles away.
• Largest share of modeled toxic air from industry: Milwaukee Valve Co LLC (34%), mostly nickel.
• Fine particles (PM2.5) average 6.9 µg/m³; the WHO guideline is 5 and the EPA annual standard is 9.
• About 319,659 kg of agricultural pesticides are applied in the county each year.

Grades for ZIP 53515

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

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

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