Grays Harbor County, WA

ZIP 98587

In ZIP 98587, 3 of the 12 things we check have at least one part graded D or F.

• Drinking water: Santiago Water Association meets every EPA legal limit; 1 contaminant is above health goals, led by lead at 62× 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. (90%), mostly chlorine.
• Fine particles (PM2.5) average 3.8 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 98587

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

Based on 1 census tract · compiled September 10, 2026 · how each grade works and its sources

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