Sanpete County, UT

ZIP 84643

In ZIP 84643, 4 of the 12 things we check have at least one part graded D or F.

• Drinking water: Manti City meets every EPA legal limit; 7 contaminants are above health goals, led by arsenic at 219× 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: Christensen Arms (Legal Entity Tdj Buyer LLC.) (100%), mostly chromium.
• Fine particles (PM2.5) average 4.5 µg/m³; the WHO guideline is 5 and the EPA annual standard is 9.
• About 32,177 kg of agricultural pesticides are applied in the county each year.

Grades for ZIP 84643

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

Based on 2 census tracts · compiled October 25, 2026 · how each grade works and its sources

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