Marion County, OR

ZIP 97306

In ZIP 97306, 3 of the 12 things we check have at least one part graded D or F.

• Drinking water: Jefferson, City Of meets every EPA legal limit; 3 contaminants are above health goals, led by tetrachloroethylene at 5.2× California’s Public Health Goal.
• Nearest Superfund site: Teledyne Wah Chang, 6.4 miles away.
• Largest share of modeled toxic air from industry: Arauco N.A. Inc. - Duraflake Particleboard (31%), mostly formaldehyde.
• Fine particles (PM2.5) average 7.3 µg/m³; the WHO guideline is 5 and the EPA annual standard is 9.
• About 368,378 kg of agricultural pesticides are applied in the county each year.

Grades for ZIP 97306

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

Based on 10 census tracts · compiled October 25, 2026 · how each grade works and its sources

Loading the full report, with every source…