Coconino County, AZ

ZIP 86020

In ZIP 86020, 5 of the 12 things we check have at least one part graded D or F.

• Drinking water: Utility Source Llc meets every EPA legal limit; 2 contaminants are above health goals, led by arsenic at 1,350× 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: Cholla Power Plant (100%), mostly chromium compounds.
• Fine particles (PM2.5) average 4.4 µg/m³; the WHO guideline is 5 and the EPA annual standard is 9.
• About 67,701 kg of agricultural pesticides are applied in the county each year.

Grades for ZIP 86020

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

Based on 4 census tracts · compiled October 25, 2026 · how each grade works and its sources

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