Yuma County, AZ

ZIP 85336

In ZIP 85336, 8 of the 12 things we check have at least one part graded D or F.

• Drinking water: Cs Gadsden Water Company meets every EPA legal limit; 1 contaminant is above health goals, led by arsenic at 265× California’s Public Health Goal.
• Nearest Superfund site: Yuma Marine Corps Air Station, 9.1 miles away.
• Largest share of modeled toxic air from industry: US Army Garrison Yuma Proving Ground (100%), mostly nitroglycerin.
• Fine particles (PM2.5) average 9.0 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 85336

• Superfund sites nearbyA to D
• Factories and industrial sitesA to D
• Oil and gas wellsC to D
• Parks and nature nearbyB to D
• Air qualityC to F
• Drinking water qualityA to D
• Pesticide useF
• Neighborhood health statusB to D
• Past wildfire impactsA
• Past flood impactsA
• Noise levelsA to B

Based on 7 census tracts · compiled October 25, 2026 · how each grade works and its sources

Loading the full report, with every source…