Salt Lake County, UT

ZIP 84006

In ZIP 84006, 4 of the 12 things we check have at least one part graded D or F.

• Drinking water: Herriman City Municipal Water Department has 1 contaminant at or over an EPA legal limit; 14 contaminants are above health goals, led by lead at 17× California’s Public Health Goal.
• Nearest Superfund site: Kennecott (north Zone), 5.7 miles away (2 within 10 miles).
• Largest share of modeled toxic air from industry: Kennecott Utah Copper Smelter & Refinery (85%), mostly arsenic compounds.
• Fine particles (PM2.5) average 6.2 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 84006

• Superfund sites nearbyF
• Factories and industrial sitesC to D
• Oil and gas wellsA
• Parks and nature nearbyB
• Air qualityA
• Drinking water qualityD
• Pesticide useB
• Neighborhood health statusB
• Past wildfire impactsA
• 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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