Pima County, AZ

ZIP 85711

In ZIP 85711, 7 of the 12 things we check have at least one part graded D or F.

• Drinking water: Usaf Davis Monthan Afb meets every EPA legal limit; 5 contaminants are above health goals, led by arsenic at 506× California’s Public Health Goal.
• Nearest Superfund site: Tucson International Airport Area, 5.8 miles away.
• Largest share of modeled toxic air from industry: Caid Industries A Div Of Samuel Son & Co. (USA) (44%), mostly chromium.
• Fine particles (PM2.5) average 8.1 µg/m³; the WHO guideline is 5 and the EPA annual standard is 9.
• About 77,498 kg of agricultural pesticides are applied in the county each year.

Grades for ZIP 85711

• Superfund sites nearbyA to D
• Factories and industrial sitesB to F
• Oil and gas wellsC
• Parks and nature nearbyB to D
• Air qualityC to D
• Drinking water qualityA to C
• Pesticide useB
• Neighborhood health statusB to F
• Past wildfire impactsC
• Past flood impactsA
• Noise levelsA to D
• Radiation signalsD

Based on 17 census tracts · compiled October 25, 2026 · how each grade works and its sources

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