Pima County, AZ

ZIP 85705

In ZIP 85705, 8 of the 12 things we check have at least one part graded D or F.

• Drinking water: Flowing Wells Irrigation District meets every EPA legal limit; 9 contaminants are above health goals, led by arsenic at 914× California’s Public Health Goal.
• Nearest Superfund site: Tucson International Airport Area, 9.0 miles away.
• Largest share of modeled toxic air from industry: Johns Manville (39%), mostly chromium.
• Fine particles (PM2.5) average 8.3 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 85705

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

Based on 21 census tracts · compiled October 25, 2026 · how each grade works and its sources

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