Pinal County, AZ

ZIP 85192

In ZIP 85192, 5 of the 12 things we check have at least one part graded D or F.

• Drinking water: Indian Hills Estates meets every EPA legal limit; 3 contaminants are above health goals, led by lead at 57× California’s Public Health Goal.
• Closer to Superfund sites than 99% of U.S. neighborhoods, with no listed site within 10 miles of its center.
• Largest share of modeled toxic air from industry: Freeport-Mcmoran Miami Inc (97%), mostly arsenic compounds.
• Fine particles (PM2.5) average 5.7 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 85192

• Superfund sites nearbyC to F
• Factories and industrial sitesA to C
• Oil and gas wellsA to B
• Parks and nature nearbyB to C
• Air qualityA
• Drinking water qualityC to F
• Pesticide useC to F
• Neighborhood health statusD to F
• Past wildfire impactsA to C
• Past flood impactsA
• Noise levelsA
• Radiation signalsD

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

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