Tap Water in Seattle, Washington

Overall rating

High concern tap water rating

Water systems

• Water systems serving ZIP 98166

  Score 19 · 28 contaminants · 18 over guideline

• Perfluorohexane sulfonate PFHXSWater systems serving ZIP 981661.51e-6 ppm
• Haloacetic acids (HAA9)Water systems serving ZIP 981660.0314 mg/L
• Perfluorononanoic acid PFNAWater systems serving ZIP 981663.13e-6 ppm
• Haloacetic acids (HAA5)Water systems serving ZIP 981660.0289 mg/L
• Total Trihalomethanes Water systems serving ZIP 981660.0367 mg/L
• Trichloroacetic acidWater systems serving ZIP 981660.0162 mg/L
• ChloroformWater systems serving ZIP 981660.0347 mg/L
• PFOS & PFOAWater systems serving ZIP 981667.13 ppt
• Dichloroacetic acidWater systems serving ZIP 981660.0127 mg/L
• BromodichloromethaneWater systems serving ZIP 981660.0032 mg/L
• Bromochloroacetic acidWater systems serving ZIP 981669.28e-4 mg/L
• Radium 226/228Water systems serving ZIP 981660.71 pCi/L
• DibromochloromethaneWater systems serving ZIP 981660.0011 mg/L
• Chromium (hexavalent)Water systems serving ZIP 981661.51e-4 mg/L
• Perfluorooctanoic acid PFOAWater systems serving ZIP 981665.14e-7 ppm
• Perfluorooctane sulfonate PFOSWater systems serving ZIP 981661.27e-6 ppm
• BromateWater systems serving ZIP 981663.52e-4 mg/L
• Dibromoacetic acidWater systems serving ZIP 981662.35e-5 mg/L
• Propylene NitrateWater systems serving ZIP 981660.062
• ChlorateWater systems serving ZIP 981660.0398 mg/L
• Monochloroacetic acidWater systems serving ZIP 981660.0013 ppm
• BromoformWater systems serving ZIP 981668.97e-6 µg/L
• PFAS (PFOA/PFOS)Water systems serving ZIP 981661.71e-5 mg/L
• Perfluorobutanoic Acid PFBAWater systems serving ZIP 981662.48e-7 ppm
• Strontium-90 Water systems serving ZIP 981666.36e-5 pCi/L
• Vanadium (as Vanadium Amino Acid Chelate)Water systems serving ZIP 981660.9921
• ManganeseWater systems serving ZIP 981660.0027 mg/L
• Polyvinylidene Fluoride CopolymerWater systems serving ZIP 981660.3125