Salt Lake County, UT

ZIP 84084

In ZIP 84084, 7 of the 12 things we check have at least one part graded D or F.

• Drinking water: Sandy City Water System meets every EPA legal limit; 15 contaminants are above health goals, led by lead at 19× California’s Public Health Goal.
• Nearest Superfund site: Midvale Slag, 4.0 miles away (3 within 10 miles).
• Largest share of modeled toxic air from industry: Kennecott Utah Copper Smelter & Refinery (59%), mostly arsenic compounds.
• Fine particles (PM2.5) average 8.3 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 84084

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

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

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