Clackamas County, OR

ZIP 97035

In ZIP 97035, 6 of the 12 things we check have at least one part graded D or F.

• Drinking water: Lake Oswego Municipal Water has 1 contaminant at or over an EPA legal limit; 6 contaminants are above health goals, led by bromate at 840× California’s Public Health Goal.
• Nearest Superfund site: Northwest Pipe & Casing/hall Process Company, 5.7 miles away.
• Largest share of modeled toxic air from industry: Gunderson LLC (83%), mostly nickel.
• Fine particles (PM2.5) average 8.8 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 97035

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

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

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