Maricopa County, AZ

ZIP 85355

In ZIP 85355, 8 of the 12 things we check have at least one part graded D or F.

• Drinking water: Epcor - Agua Fria meets every EPA legal limit; 13 contaminants are above health goals, led by lead at 88× California’s Public Health Goal.
• Nearest Superfund site: Luke Air Force Base, 1.7 miles away (2 within 10 miles).
• Largest share of modeled toxic air from industry: Cornellcookson (71%), mostly chromium.
• Fine particles (PM2.5) average 8.3 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 85355

• Superfund sites nearbyC to D
• Factories and industrial sitesC
• Oil and gas wellsA to D
• Parks and nature nearbyB to D
• Air qualityA to D
• Drinking water qualityD to F
• Pesticide useD to F
• Neighborhood health statusB to C
• Past wildfire impactsA
• Past flood impactsA
• Noise levelsA to D
• Radiation signalsD

Based on 3 census tracts · compiled September 10, 2026 · how each grade works and its sources

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