Maricopa County, AZ

ZIP 85259

In ZIP 85259, 6 of the 12 things we check have at least one part graded D or F.

• Drinking water: Scottsdale City Of has 1 contaminant at or over an EPA legal limit; 19 contaminants are above health goals, led by lead at 11× California’s Public Health Goal.
• Closer to Superfund sites than 61% of U.S. neighborhoods, with no listed site within 10 miles of its center.
• Largest share of modeled toxic air from industry: Kloeckner Metals Corp (70%), mostly chromium.
• Fine particles (PM2.5) average 9.5 µg/m³; the WHO guideline is 5 and the EPA annual standard is 9.
• About 1,094,686 kg of agricultural pesticides are applied in the county each year.

Grades for ZIP 85259

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

Based on 8 census tracts · compiled September 10, 2026 · how each grade works and its sources

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