Utah County, UT

ZIP 84626

In ZIP 84626, 3 of the 12 things we check have at least one part graded D or F.

• Drinking water: Fairfield Culinary Water System meets every EPA legal limit; 7 contaminants are above health goals, led by lead at 33× California’s Public Health Goal.
• Closer to Superfund sites than 53% of U.S. neighborhoods, with no listed site within 10 miles of its center.
• Largest share of modeled toxic air from industry: Kennecott Utah Copper Smelter & Refinery (61%), mostly arsenic compounds.
• Fine particles (PM2.5) average 5.5 µg/m³; the WHO guideline is 5 and the EPA annual standard is 9.
• About 150,057 kg of agricultural pesticides are applied in the county each year.

Grades for ZIP 84626

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

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

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