Pima County, AZ

ZIP 85723

In ZIP 85723, 4 of the 12 things we check have at least one part graded D or F.

• Drinking water: Tucson City Of meets every EPA legal limit; 7 contaminants are above health goals, led by arsenic at 706× California’s Public Health Goal.
• Nearest Superfund site: Tucson International Airport Area, 4.4 miles away.
• Largest share of modeled toxic air from industry: Caid Industries A Div Of Samuel Son & Co. (USA) (68%), mostly chromium.
• Fine particles (PM2.5) average 8.2 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 85723

• Superfund sites nearbyF
• Factories and industrial sitesB
• Oil and gas wellsB
• Parks and nature nearbyB
• Air qualityD
• Drinking water qualityC
• Pesticide useB
• Neighborhood health statusF
• Past wildfire impactsC
• Past flood impactsA
• Noise levelsC
• Radiation signalsD

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

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