Maricopa County, AZ

ZIP 85045

In ZIP 85045, 3 of the 12 things we check have at least one part graded D or F.

• Drinking water: Phoenix City Of has 1 contaminant at or over an EPA legal limit; 10 contaminants are above health goals, led by arsenic at 1,346× California’s Public Health Goal.
• Nearest Superfund site: Nineteenth Avenue Landfill, 8.3 miles away.
• Largest share of modeled toxic air from industry: Kloeckner Metals Corp (57%), mostly chromium.
• Fine particles (PM2.5) average 8.2 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 85045

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

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

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