Maricopa County, AZ

ZIP 85283

In ZIP 85283, 9 of the 12 things we check have at least one part graded D or F.

• Drinking water: Tempe City Of has 2 contaminants at or over an EPA legal limit; 24 contaminants are above health goals, led by pfos at 24× California’s Public Health Goal.
• Nearest Superfund site: Indian Bend Wash Area, 5.6 miles away (3 within 10 miles).
• Largest share of modeled toxic air from industry: Kloeckner Metals Corp (42%), mostly chromium.
• Fine particles (PM2.5) average 9.3 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 85283

• Superfund sites nearbyD to F
• Factories and industrial sitesD
• Oil and gas wellsA to C
• Parks and nature nearbyD to F
• Air qualityF
• Drinking water qualityD 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 15 census tracts · compiled September 10, 2026 · how each grade works and its sources

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