Yakima County, WA

ZIP 98902

In ZIP 98902, 8 of the 12 things we check have at least one part graded D or F.

• Drinking water: Union Gap Water meets every EPA legal limit; 4 contaminants are above health goals, led by pfos at 2.4× California’s Public Health Goal.
• Nearest Superfund site: Fmc Corp. (yakima), 1.6 miles away (3 within 10 miles).
• Largest share of modeled toxic air from industry: Triumph Actuation Systems-Yakima (77%), mostly chromium.
• Fine particles (PM2.5) average 8.5 µg/m³; the WHO guideline is 5 and the EPA annual standard is 9.
• About 2,424,406 kg of agricultural pesticides are applied in the county each year.

Grades for ZIP 98902

• Superfund sites nearbyC to F
• Factories and industrial sitesC
• Oil and gas wellsB to C
• Parks and nature nearbyD to F
• Air qualityC to D
• Drinking water qualityC to F
• Pesticide useF
• Neighborhood health statusC to F
• Past wildfire impactsD
• Past flood impactsA
• Noise levelsA to D
• Radiation signalsC

Based on 14 census tracts · compiled September 10, 2026 · how each grade works and its sources

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