Graham County, AZ

ZIP 85546

In ZIP 85546, 6 of the 12 things we check have at least one part graded D or F.

• Drinking water: Ash Creek Water Company meets every EPA legal limit; 1 contaminant is above health goals, led by arsenic at 2,475× 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: Freeport-Mcmoran Morenci Inc (87%), mostly cobalt compounds.
• Fine particles (PM2.5) average 6.0 µg/m³; the WHO guideline is 5 and the EPA annual standard is 9.
• About 147,388 kg of agricultural pesticides are applied in the county each year.

Grades for ZIP 85546

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

Based on 8 census tracts · compiled October 25, 2026 · how each grade works and its sources

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