Umatilla County, OR

ZIP 97826

In ZIP 97826, 6 of the 12 things we check have at least one part graded D or F.

• Drinking water: Stanfield, City Of meets every EPA legal limit; 5 contaminants are above health goals, led by lead at 126× California’s Public Health Goal.
• Nearest Superfund site: Umatilla Army Depot (lagoons), 5.3 miles away.
• Largest share of modeled toxic air from industry: Boise White Paper LLC (65%), mostly acetaldehyde.
• Fine particles (PM2.5) average 7.0 µg/m³; the WHO guideline is 5 and the EPA annual standard is 9.
• About 1,456,135 kg of agricultural pesticides are applied in the county each year.

Grades for ZIP 97826

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

Based on 5 census tracts · compiled September 10, 2026 · how each grade works and its sources

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