Pima County, AZ

ZIP 85705

In ZIP 85705, 7 of the 12 things we check have at least one part graded D or F.

• Drinking water: Tucson City Of has 1 contaminant at or over an EPA legal limit; 16 contaminants are above health goals, led by pfhxs at 113× California Notification Level.
• Nearest Superfund site: Tucson International Airport Area, 9.0 miles away.
• Largest share of modeled toxic air from industry: Triangle Industrial Corp (87%), 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 C
• Oil and gas wellsB to C
• Parks and nature nearbyC to F
• Air qualityA to D
• Drinking water qualityD to F
• Pesticide useC
• 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 September 10, 2026 · how each grade works and its sources

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