Pima County, AZ

ZIP 85748

In ZIP 85748, 5 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.
• Closer to Superfund sites than 0% of U.S. neighborhoods, with no listed site within 10 miles of its center.
• Largest share of modeled toxic air from industry: Caid Industries A Div Of Samuel Son & Co. (USA) (45%), mostly chromium.
• Fine particles (PM2.5) average 7.7 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 85748

• Superfund sites nearbyA
• Factories and industrial sitesA
• Oil and gas wellsA to B
• Parks and nature nearbyC to F
• Air qualityA to C
• Drinking water qualityC to F
• Pesticide useC to F
• Neighborhood health statusC
• Past wildfire impactsD
• Past flood impactsA
• Noise levelsA
• Radiation signalsD

Based on 6 census tracts · compiled September 10, 2026 · how each grade works and its sources

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