Pinal County, AZ
ZIP 85120
In ZIP 85120, 9 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, 9.0 miles away.
- Largest share of modeled toxic air from industry: Kloeckner Metals Corp (99%), mostly chromium.
- Fine particles (PM2.5) average 9.1 µg/m³; the WHO guideline is 5 and the EPA annual standard is 9.
- About 812,658 kg of agricultural pesticides are applied in the county each year.
Grades for ZIP 85120
- Superfund sites nearbyA to C
- Factories and industrial sitesB to F
- Oil and gas wellsA to C
- Parks and nature nearbyA to D
- Air qualityB to F
- Drinking water qualityC to D
- Pesticide useC to F
- Neighborhood health statusB to F
- Past wildfire impactsC to D
- Past flood impactsA
- Noise levelsA to D
- Radiation signalsD to F
Based on 17 census tracts · compiled October 25, 2026 · how each grade works and its sources
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