Clackamas County, OR

ZIP 97055

In ZIP 97055, 4 of the 12 things we check have at least one part graded D or F.

• Drinking water: Big Valley Woods Water Corp meets every EPA legal limit; 4 contaminants are above health goals, led by lead at 35× 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: Gunderson LLC (85%), mostly nickel.
• Fine particles (PM2.5) average 10.0 µg/m³; the WHO guideline is 5 and the EPA annual standard is 9.
• About 90,281 kg of agricultural pesticides are applied in the county each year.

Grades for ZIP 97055

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

Based on 6 census tracts · compiled September 10, 2026 · how each grade works and its sources

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