Waushara County, WI

ZIP 54940

In ZIP 54940, 3 of the 12 things we check have at least one part graded D or F.

• Drinking water: Greenville Utilities Vil Of has 2 contaminants at or over an EPA legal limit; 10 contaminants are above health goals, led by arsenic at 182,830× California’s Public Health Goal.
• Closer to Superfund sites than 56% of U.S. neighborhoods, with no listed site within 10 miles of its center.
• Largest share of modeled toxic air from industry: A P Nonweiler Co Inc (43%), mostly diisocyanates.
• Fine particles (PM2.5) average 6.6 µg/m³; the WHO guideline is 5 and the EPA annual standard is 9.
• About 82,862 kg of agricultural pesticides are applied in the county each year.

Grades for ZIP 54940

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

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

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