Yuma County, AZ

ZIP 85356

In ZIP 85356, 6 of the 12 things we check have at least one part graded D or F.

• Drinking water: Cs Citrus Park Water Company has 2 contaminants at or over an EPA legal limit; 3 contaminants are above health goals, led by lead at 45× California’s Public Health Goal.
• Closer to Superfund sites than 56% of U.S. neighborhoods, with no listed site within 10 miles of its center.
• Largest share of modeled toxic air from industry: US Army Garrison Yuma Proving Ground (100%), mostly nitroglycerin.
• Fine particles (PM2.5) average 5.6 µg/m³; the WHO guideline is 5 and the EPA annual standard is 9.
• About 1,402,288 kg of agricultural pesticides are applied in the county each year.

Grades for ZIP 85356

• Superfund sites nearbyA to C
• Factories and industrial sitesB to C
• Oil and gas wellsA to B
• Parks and nature nearbyB to D
• Air qualityA
• Drinking water qualityD to F
• Pesticide useF
• Neighborhood health statusD to F
• Past wildfire impactsA
• Past flood impactsA
• Noise levelsA to D
• Radiation signalsC to D

Based on 4 census tracts · compiled September 10, 2026 · how each grade works and its sources

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