Emery County, UT

ZIP 84518

In ZIP 84518, 4 of the 12 things we check have at least one part graded D or F.

• Drinking water: Trail Cyn Residents Assn meets every EPA legal limit; 7 contaminants are above health goals, led by arsenic at 610× 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: Joy Global Mining LLC (92%), mostly chromium.
• Fine particles (PM2.5) average 4.9 µg/m³; the WHO guideline is 5 and the EPA annual standard is 9.
• About 14,856 kg of agricultural pesticides are applied in the county each year.

Grades for ZIP 84518

• Superfund sites nearbyA
• Factories and industrial sitesB
• Oil and gas wellsA
• Parks and nature nearbyC
• Air qualityA
• Drinking water qualityC to D
• Pesticide useD
• Neighborhood health statusD
• Past wildfire impactsA
• Past flood impactsA
• Noise levelsA
• Radiation signalsD

Based on 1 census tract · compiled September 10, 2026 · how each grade works and its sources

Loading the full report, with every source…