Maricopa County, AZ

ZIP 85236

In ZIP 85236, 4 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, 3.0 miles away.
• Largest share of modeled toxic air from industry: Kloeckner Metals Corp (80%), mostly chromium.
• Fine particles (PM2.5) average 8.8 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 85236

• Superfund sites nearbyF
• Factories and industrial sitesB
• Oil and gas wellsB
• Parks and nature nearbyC
• Air qualityF
• Drinking water qualityC to D
• Pesticide useC
• Neighborhood health statusA
• Past wildfire impactsA
• Past flood impactsA
• Noise levelsB
• Radiation signalsD

Based on 1 census tract · compiled October 25, 2026 · how each grade works and its sources

Loading the full report, with every source…