Summit County, UT

ZIP 84098

In ZIP 84098, 5 of the 12 things we check have at least one part graded D or F.

• Drinking water: Bridge Hollow Water Association meets every EPA legal limit; 1 contaminant is above health goals, led by lead at 27× California’s Public Health Goal.
• Nearest Superfund site: Richardson Flat Tailings, 2.4 miles away.
• Largest share of modeled toxic air from industry: Bd Medical (54%), mostly ethylene oxide.
• Fine particles (PM2.5) average 5.0 µg/m³; the WHO guideline is 5 and the EPA annual standard is 9.
• About 8,584 kg of agricultural pesticides are applied in the county each year.

Grades for ZIP 84098

• Superfund sites nearbyD to F
• Factories and industrial sitesB
• Oil and gas wellsA
• Parks and nature nearbyA to C
• Air qualityA
• Drinking water qualityB to D
• Pesticide useC to D
• Neighborhood health statusA to B
• Past wildfire impactsA to D
• Past flood impactsA
• Noise levelsA
• Radiation signalsD to F

Based on 7 census tracts · compiled October 25, 2026 · how each grade works and its sources

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