Green County, WI

ZIP 53521

In ZIP 53521, 7 of the 12 things we check have at least one part graded D or F.

• Drinking water: Mountain View Mhp 1 meets every EPA legal limit; 4 contaminants are above health goals, led by pfos at 3.8× California’s Public Health Goal.
• Nearest Superfund site: City Disposal Corp. Landfill, 3.2 miles away (3 within 10 miles).
• Largest share of modeled toxic air from industry: Bluescope Buildings Na (52%), mostly chromium.
• Fine particles (PM2.5) average 7.0 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 53521

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

Based on 4 census tracts · compiled September 10, 2026 · how each grade works and its sources

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