Maricopa County, AZ

ZIP 85029

In ZIP 85029, 6 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: Motorola, Inc. (52nd Street Plant), 9.4 miles away.
• Largest share of modeled toxic air from industry: Cornellcookson (88%), 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 85029

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

Based on 12 census tracts · compiled October 25, 2026 · how each grade works and its sources

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