Pacific County, WA

ZIP 98547

In ZIP 98547, 4 of the 12 things we check have at least one part graded D or F.

  • Drinking water: Westport Water Department meets every EPA legal limit; 10 contaminants are above health goals, led by pfos at 2.7× 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: Cosmo Specialty Fibers Inc. (69%), mostly chlorine.
  • Fine particles (PM2.5) average 5.4 µg/m³; the WHO guideline is 5 and the EPA annual standard is 9.
  • About 23,513 kg of agricultural pesticides are applied in the county each year.

Grades for ZIP 98547

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

Based on 2 census tracts · compiled September 10, 2026 · how each grade works and its sources

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