Pima County, AZ

ZIP 85716

In ZIP 85716, 8 of the 12 things we check have at least one part graded D or F.

• Drinking water: Winterhaven Water Development meets every EPA legal limit; 7 contaminants are above health goals, led by lead at 32× California’s Public Health Goal.
• Nearest Superfund site: Tucson International Airport Area, 8.2 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 8.0 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 85716

• Superfund sites nearbyA to D
• Factories and industrial sitesC to D
• Oil and gas wellsC
• Parks and nature nearbyD to F
• Air qualityC to D
• Drinking water qualityD to F
• Pesticide useC
• Neighborhood health statusB to D
• Past wildfire impactsC
• Past flood impactsA
• Noise levelsA to D
• Radiation signalsD

Based on 14 census tracts · compiled September 10, 2026 · how each grade works and its sources

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