Summit County, UT

ZIP 82930

In ZIP 82930, 6 of the 12 things we check have at least one part graded D or F.

• Drinking water: Bear River Regional Joint Powers meets every EPA legal limit; 4 contaminants are above health goals, led by di(2-ethylhexyl) phthalate at 27× California’s Public Health Goal.
• Closer to Superfund sites than 0% of U.S. neighborhoods, with no listed site within 10 miles of its center.
• Largest share of modeled toxic air from industry: Mitsubishi Chemical Carbon Fiber & Composites (61%), mostly hydrogen cyanide.
• Fine particles (PM2.5) average 4.6 µg/m³; the WHO guideline is 5 and the EPA annual standard is 9.
• About 7,891 kg of agricultural pesticides are applied in the county each year.

Grades for ZIP 82930

• Superfund sites nearbyA
• Factories and industrial sitesA to B
• Oil and gas wellsB to D
• Parks and nature nearbyB to D
• Air qualityA
• Drinking water qualityA to D
• Pesticide useD to F
• Neighborhood health statusC
• Past wildfire impactsA to D
• Past flood impactsA
• Noise levelsA to B
• Radiation signalsC to F

Based on 5 census tracts · compiled September 10, 2026 · how each grade works and its sources

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