Jackson County, WI

ZIP 54666

In ZIP 54666, 5 of the 12 things we check have at least one part graded D or F.

• Drinking water: Brockway Sanitary Dist 1 has 1 contaminant at or over an EPA legal limit; 10 contaminants are above health goals, led by pfos at 12× California’s Public Health Goal.
• Nearest Superfund site: Tomah Municipal Sanitary Landfill, 3.6 miles away (3 within 10 miles).
• Largest share of modeled toxic air from industry: Wabash (Walker Stainless Equipment Co) (36%), mostly chromium.
• Fine particles (PM2.5) average 6.8 µg/m³; the WHO guideline is 5 and the EPA annual standard is 9.
• About 84,544 kg of agricultural pesticides are applied in the county each year.

Grades for ZIP 54666

• Superfund sites nearbyA to D
• Factories and industrial sitesA to B
• Oil and gas wellsA
• Parks and nature nearbyB to C
• Air qualityB
• Drinking water qualityC 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 5 census tracts · compiled September 10, 2026 · how each grade works and its sources

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