Umatilla County, OR

ZIP 97835

In ZIP 97835, 6 of the 12 things we check have at least one part graded D or F.

• Drinking water: Pendleton, City Of meets every EPA legal limit; 12 contaminants are above health goals, led by pfos at 2.9× California’s Public Health Goal.
• Closer to Superfund sites than 0% 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 (91%), mostly formaldehyde.
• Fine particles (PM2.5) average 6.4 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 97835

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

Based on 2 census tracts · compiled September 10, 2026 · how each grade works and its sources

Loading the full report, with every source…