Polk County, OR

ZIP 97351

In ZIP 97351, 3 of the 12 things we check have at least one part graded D or F.

• Drinking water: Rickreall Water Association meets every EPA legal limit; 5 contaminants are above health goals, led by arsenic at 455× California’s Public Health Goal.
• Closer to Superfund sites than 55% of U.S. neighborhoods, with no listed site within 10 miles of its center.
• Largest share of modeled toxic air from industry: Arauco N.A. Inc. - Duraflake Particleboard (44%), mostly formaldehyde.
• Fine particles (PM2.5) average 5.3 µg/m³; the WHO guideline is 5 and the EPA annual standard is 9.
• About 97,435 kg of agricultural pesticides are applied in the county each year.

Grades for ZIP 97351

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

Based on 7 census tracts · compiled October 25, 2026 · how each grade works and its sources

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