Umatilla County, OR

ZIP 97875

In ZIP 97875, 3 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 arsenic at 218× 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: 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 97875

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

Based on 2 census tracts · compiled October 25, 2026 · how each grade works and its sources

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