Polk County, OR

ZIP 97304

In ZIP 97304, 5 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 lead at 44× 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 (50%), mostly formaldehyde.
• Fine particles (PM2.5) average 6.8 µg/m³; the WHO guideline is 5 and the EPA annual standard is 9.
• About 143,340 kg of agricultural pesticides are applied in the county each year.

Grades for ZIP 97304

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

Based on 9 census tracts · compiled September 10, 2026 · how each grade works and its sources

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