Pima County, AZ

ZIP 85741

In ZIP 85741, 6 of the 12 things we check have at least one part graded D or F.

• Drinking water: Marana Municipal - Hartman Vistas has 1 contaminant at or over an EPA legal limit; 9 contaminants are above health goals, led by arsenic at 375× California’s Public Health Goal.
• 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: Johns Manville (88%), mostly chromium.
• Fine particles (PM2.5) average 7.8 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 85741

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

Based on 10 census tracts · compiled October 25, 2026 · how each grade works and its sources

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