Salt Lake County, UT

ZIP 84092

In ZIP 84092, 6 of the 12 things we check have at least one part graded D or F.

• Drinking water: Park City Water System has 3 contaminants at or over an EPA legal limit; 14 contaminants are above health goals, led by pfos at 5.8× California’s Public Health Goal.
• Nearest Superfund site: Davenport and Flagstaff Smelters, 3.4 miles away (3 within 10 miles).
• Largest share of modeled toxic air from industry: Bd Medical (65%), mostly ethylene oxide.
• Fine particles (PM2.5) average 7.9 µg/m³; the WHO guideline is 5 and the EPA annual standard is 9.
• About 11,147 kg of agricultural pesticides are applied in the county each year.

Grades for ZIP 84092

• Superfund sites nearbyC to D
• Factories and industrial sitesC to D
• Oil and gas wellsA
• Parks and nature nearbyB to D
• Air qualityA to D
• Drinking water qualityD to F
• Pesticide useB to C
• Neighborhood health statusB to C
• Past wildfire impactsA
• Past flood impactsA
• Noise levelsA
• Radiation signalsD

Based on 8 census tracts · compiled September 10, 2026 · how each grade works and its sources

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