Summit County, UT

ZIP 84055

In ZIP 84055, 3 of the 12 things we check have at least one part graded D or F.

• Drinking water: Woodenshoe Water Company has 2 contaminants at or over an EPA legal limit; 5 contaminants are above health goals, led by di(2-ethylhexyl) phthalate at 109× 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: Utelite (80%), mostly lead compounds.
• Fine particles (PM2.5) average 4.0 µg/m³; the WHO guideline is 5 and the EPA annual standard is 9.
• About 8,584 kg of agricultural pesticides are applied in the county each year.

Grades for ZIP 84055

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

Based on 2 census tracts · compiled September 10, 2026 · how each grade works and its sources

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