Davis County, UT

ZIP 84087

In ZIP 84087, 6 of the 12 things we check have at least one part graded D or F.

• Drinking water: Farmington City Water System has 1 contaminant at or over an EPA legal limit; 10 contaminants are above health goals, led by arsenic at 325× California’s Public Health Goal.
• Nearest Superfund site: Five Points PCE Plume, 0.4 miles away (3 within 10 miles).
• Largest share of modeled toxic air from industry: Kennecott Utah Copper Smelter & Refinery (34%), mostly benzene.
• Fine particles (PM2.5) average 7.6 µg/m³; the WHO guideline is 5 and the EPA annual standard is 9.
• About 15,863 kg of agricultural pesticides are applied in the county each year.

Grades for ZIP 84087

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

Based on 5 census tracts · compiled October 25, 2026 · how each grade works and its sources

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