Marion County, OR

ZIP 97325

In ZIP 97325, 5 of the 12 things we check have at least one part graded D or F.

• Drinking water: Aumsville, City Of meets every EPA legal limit; 3 contaminants are above health goals, led by arsenic at 575× California’s Public Health Goal.
• Closer to Superfund sites than 53% of U.S. neighborhoods, with no listed site within 10 miles of its center.
• Largest share of modeled toxic air from industry: Entek International LLC (33%), mostly formaldehyde.
• Fine particles (PM2.5) average 8.4 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 97325

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

Based on 4 census tracts · compiled October 25, 2026 · how each grade works and its sources

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