Pima County, AZ

ZIP 85730

In ZIP 85730, 7 of the 12 things we check have at least one part graded D or F.

• Drinking water: Spanish Trail Water Company meets every EPA legal limit; 3 contaminants are above health goals, led by lead at 46× California’s Public Health Goal.
• Nearest Superfund site: Tucson International Airport Area, 7.1 miles away.
• 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 8.1 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 85730

• Superfund sites nearbyA to D
• Factories and industrial sitesA to C
• Oil and gas wellsA to C
• Parks and nature nearbyB to F
• Air qualityA to D
• Drinking water qualityC to F
• Pesticide useC
• Neighborhood health statusB to D
• Past wildfire impactsC to F
• Past flood impactsA
• Noise levelsA to C
• Radiation signalsC to D

Based on 17 census tracts · compiled September 10, 2026 · how each grade works and its sources

Loading the full report, with every source…