Maricopa County, AZ
ZIP 85207
In ZIP 85207, 7 of the 12 things we check have at least one part graded D or F.
- Drinking water: Mesa City Of has 1 contaminant at or over an EPA legal limit; 8 contaminants are above health goals, led by lithium at 14× the USGS health-based screening level.
- Nearest Superfund site: Williams Air Force Base, 7.3 miles away.
- Largest share of modeled toxic air from industry: Kloeckner Metals Corp (98%), mostly chromium.
- Fine particles (PM2.5) average 9.1 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 85207
- Superfund sites nearbyA to D
- Factories and industrial sitesB to C
- Oil and gas wellsA
- Parks and nature nearbyB to D
- Air qualityD to F
- Drinking water qualityC to D
- Pesticide useC to F
- Neighborhood health statusB to F
- Past wildfire impactsA to C
- Past flood impactsA
- Noise levelsA to C
- Radiation signalsD to F
Based on 14 census tracts · compiled October 25, 2026 · how each grade works and its sources
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