Washington County, OR

ZIP 97144

In ZIP 97144, 1 of the 12 things we check have at least one part graded D or F.

• Drinking water: Banks Water Department meets every EPA legal limit; 2 contaminants are above health goals, led by tthm at 13× Peer-Reviewed Research.
• 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 (98%), mostly nickel.
• Fine particles (PM2.5) average 5.2 µg/m³; the WHO guideline is 5 and the EPA annual standard is 9.
• About 156,635 kg of agricultural pesticides are applied in the county each year.

Grades for ZIP 97144

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

Based on 2 census tracts · compiled October 25, 2026 · how each grade works and its sources

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