Maricopa County, AZ

ZIP 85297

In ZIP 85297, 8 of the 12 things we check have at least one part graded D or F.

• Drinking water: Chandler City Of has 1 contaminant at or over an EPA legal limit; 7 contaminants are above health goals, led by arsenic at 1,345× California’s Public Health Goal.
• Nearest Superfund site: Williams Air Force Base, 3.0 miles away.
• Largest share of modeled toxic air from industry: Zf Passive Safety Systems Inc - Mesa Operations (59%), mostly chromium compounds.
• Fine particles (PM2.5) average 8.1 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 85297

• Superfund sites nearbyD to F
• Factories and industrial sitesA to B
• Oil and gas wellsB
• Parks and nature nearbyB to D
• Air qualityC to D
• Drinking water qualityC to F
• Pesticide useC to F
• Neighborhood health statusA to D
• Past wildfire impactsA
• Past flood impactsA
• Noise levelsA to D
• Radiation signalsD

Based on 11 census tracts · compiled October 25, 2026 · how each grade works and its sources

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