Jefferson County, WA

ZIP 98365

In ZIP 98365, 3 of the 12 things we check have at least one part graded D or F.

• Drinking water: Jefferson County Water Dist #1 meets every EPA legal limit; 2 contaminants are above health goals, led by lead at 44× California’s Public Health Goal.
• Nearest Superfund site: Bangor Ordnance Disposal (usnavy), 9.0 miles away.
• Largest share of modeled toxic air from industry: Alaskan Copper Works (26%), mostly chromium.
• Fine particles (PM2.5) average 5.4 µg/m³; the WHO guideline is 5 and the EPA annual standard is 9.
• About 2,723 kg of agricultural pesticides are applied in the county each year.

Grades for ZIP 98365

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

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

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