Maricopa County, AZ
ZIP 85326
In ZIP 85326, 9 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; 7 contaminants are above health goals, led by arsenic at 889× California’s Public Health Goal.
- Nearest Superfund site: Phoenix-Goodyear Airport Area, 4.7 miles away (2 within 10 miles).
- Largest share of modeled toxic air from industry: Cornellcookson (93%), 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 85326
- Superfund sites nearbyA to D
- Factories and industrial sitesA to D
- Oil and gas wellsA to C
- Parks and nature nearbyB to D
- Air qualityA to D
- Drinking water qualityB to F
- Pesticide useC to F
- Neighborhood health statusA to F
- Past wildfire impactsA
- Past flood impactsA
- Noise levelsA to D
- Radiation signalsD to F
Based on 16 census tracts · compiled October 25, 2026 · how each grade works and its sources
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